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02D011F0-1500 05 Feb 2006 - 22:24 - r1.4 Home.synoptic
to convert non-vtec "11F0" boards from non-vtec to vtec, add: In top left quadrant: C60 1uF, 35v electrolytic (tantalum?) capacitor J10 0 Ohm jumper wire Q101 A143 ...  
02D01720-1500 14 Mar 2007 - 05:11 - r1.5 Home.defensio
To convert a "1720" board from non-vtec to vtec add the following parts: Required: Q26: C2785 ( note: I used a C144 and it worked fine NPN switching transistor) C60 ...  
02D01980-1500 02 Dec 2006 - 23:22 - r1.4 Home.enigma06
Editor's note: the small list does not appear to have the required parts for the IABs Author: eg6ajk Date: 05-24-03 15:10 my parts list seems to be alot smaller: ...  
1WireVtec 20 Feb 2004 - 00:37 - NEW Home.blundar
The 1-wire vtec codebase is a ROM for the OBD0MPFI ECU s that allows the AutomaticTransmissionLockupSolenoid to be used to control vtec engagement. JasonParker came ...  
203_AC 08 Nov 2004 - 14:46 - NEW Home.mind-eracer
Author: PRCIVIC Date: 05-28-03 21:46 Ok I have commented the AC routine posted for the benefits of those with no assembly knowlege. And yes anyone may comment if i ...  
27C256 29 Apr 2004 - 02:54 - r1.2 Home.rschoener
The 27C256 is the basic EPROM commonly used to chip ECUs. It is a 32k byte (256kbit) chip. 27C256 chips are generally either OTP or UV-Erase . Beware tho! Most honda ...  
27SF256 09 Mar 2004 - 19:29 - r1.2 Home.blundar
This is supposed to be an electrically-erasable replacement for 27C256 . http://www.sst.com/downloads/datasheet/S71152.pdf SST Datasheet (PDF) These can be purchased ...  
28C256 12 Apr 2004 - 20:42 - NEW Home.tungsten2k
28C256 EEPROM s will work in ECUs, but require pins to be moved around/altered due to them being a different pinout than either 27C256 or 29C256 chips. http://rocky ...  
29C010 18 Nov 2006 - 17:46 - NEW Home.longbow
The http://www.atmel.com ATMEL AT29C010 chip is a FLASH ROM chip with 1Mbit(~128kb) of memory. It can be found in old Pentium I II computer motherbords. This chip ...  
29C256 25 Nov 2004 - 12:45 - NEW Home.ltdannear
the http://www.atmel.com ATMEL AT29C256 chip is the de facto FLASH ROM chip in use. It uses a 5V programming voltage, can be erased repeatedly electronically. They ...  
5050s 27 Jan 2007 - 14:25 - NEW Home.b16a2
Use this method if you install a 5050s in IC14 and you get a MIL code 21. STEP 1 modify and install the VTEC parts as normal but stop at the installation of IC14 ...  
5128XRAM 27 Feb 2004 - 17:53 - NEW Home.synoptic
5128 XRAM explanation : The 5128 chip present in OBD0 ECUs is a 2K byte(?) SRAM chip. It is mapped into memory space at 1XXX hex any external communication(MOVX A ...  
515XHighSideSwitch 28 Dec 2005 - 06:52 - r1.7 Home.4g vtec
Honda uses a 5 pin high side switch in a lot of their OBD1 and OBD2 ECUs to control solenoids like auto trans and vtec solenoids. Allegro / Sanken is the OEM for ...  
6260ATesting 19 Feb 2004 - 22:01 - NEW TWiki Guest
J. Wong: about the 6260A thing... if you take a look at the code ( 91PM6 ECU LED CEL ) that flashes the ECU LED for codes you'll see that it writes #16 or #96 to X2000 ...  
66207 19 Feb 2004 - 22:01 - NEW TWiki Guest
The http://www.okisemi.com Oki 66207 MCU is used mainly in the OBD1CivicIntegraECUs . It uses the NX8/200 core. Lots of useful documentation on these processors is ...  
66kAssemblerDocs 18 Jun 2006 - 04:52 - r1.7 Home.blundar
Here you can find all the documentation on the Oki 66K achitecture that we have been able to find. If it isn't attached to this page, you can try looking at the http ...  
66kAssemblerRoutines 19 Feb 2004 - 22:01 - NEW TWiki Guest
See: OBD1CivTegRoutines or ...  
66kResources 23 Sep 2005 - 19:23 - r1.2 Home.blundar
Documentation 66kAssemblerDocs factory documentation on the Oki 66xxx processors used in most OBD1 and OBD2 implemenations 66kOperations a list of the common 66xxx ...  
74HC373 05 Mar 2004 - 17:40 - NEW Home.blundar
The 74HC373 is an octal Latch chip. It Latch Latch es 8 bits of data, and is usally used when adding an external rom to a MCU  
82C55 01 Aug 2005 - 14:37 - r1.3 Home.blundar
The 82C55 is an IO controller chip used in many OBD1 ECUs. Fortunately, almost all OBD1CivicIntegraECUs share a common pattern for what is controlled by the 82C55 ...  
91PM6 19 Feb 2004 - 23:25 - NEW Home.blundar
Describe 91PM6 here. 91PM6TargetIdle describes how to set the target idle in a PM6. Similar to 91PM7TargetIdle 91PM6 ECU LED CEL describes the blinking of the LED ...  
91PM6TargetIdle 19 Feb 2004 - 23:25 - NEW Home.blundar
Author: xtensive Date: 01-04-03 20:47 Ok, here's what I found: That whole area is data tables. The routine that calls the idle value is @279A for the pm6. The stock ...  
91PM6_ECU_LED_CEL 19 Feb 2004 - 22:01 - NEW TWiki Guest
Dave : I went looking though code trying to find the CEL routine you spoke of. is it at 026E? J. Wong : yup! or thereabouts... Dave : I couldn't figure the code out ...  
91PM7 19 Feb 2004 - 22:01 - NEW TWiki Guest
Describe 91PM7 here. bleh 91PM7TargetIdle setting the idle on a PM7  
91PM7TargetIdle 19 Feb 2004 - 22:01 - NEW TWiki Guest
Author: HRED Date: 01-03-03 17:27 You can alter idle target : search "09c4" value you find for example in PM7FOR6 12-15-02.BIN rom a string with 6 rev values like ...  
A143 08 Oct 2004 - 18:40 - NEW Home.Nuno Euro VTi?
Thanks again Javier (dohcvtec): A143 Panasonic NTE2362 (Digikey # 2SB1030ARACT-ND) (do not be fooled into believing its a NTE126...) A143: DTA143X(ST) , Silicon PnP ...  
A5 05 Mar 2004 - 19:37 - NEW Home.blundar
A5h (opcode 'A5' in hexidecimal) is the "reserved" opcode of the 8051 instruction set. This means it is NOT a valid instruction to a pure 8051 microcontroller. In ...  
ACCutRoutine 08 Nov 2004 - 14:50 - NEW Home.mind-eracer
Author: evo (61.88.2.177) Date: 03-04-03 22:15 After much thought, ive decided to share my Air-Conditioner Cutoff routine. This routine cuts out the a/c under a specified ...  
ADC 19 Feb 2004 - 22:01 - NEW TWiki Guest
Analog to Digital Converter: An integrated circuit (IC) which converts an analog signal to a digital representation. As an example let's consider an 8-bit ADC with ...  
API 19 Feb 2004 - 22:01 - NEW TWiki Guest
Application Programming Interface An API is a set of functions (usually present in a DLL or other code library) that you can call in order to perform taks. Some common ...  
ASM662 19 Feb 2004 - 22:01 - NEW TWiki Guest
ASM662 is an Oki 66201/66207/66301 assembler/disassembler which is still a work in progress. It's released under the BSD license, so you may use the code for anything ...  
AbsolutePressure 05 Mar 2004 - 19:32 - NEW Home.blundar
Absolute Pressure refers to pressure measurements made on a scale where AbsoluteVacuum 0. AtmosphericPressure is approximately 14.7psi at sea level, measuring absolute ...  
AbsoluteVacuum 19 Feb 2004 - 22:01 - NEW TWiki Guest
Absolute vacuum only truly exists in deep space. It is the state where an object is surrounded by absolutely nothing. There is absolutely zero gas pressure in an absolute ...  
AcSwitch 19 Feb 2004 - 22:01 - NEW TWiki Guest
You have to jump the A/C Thermostat switch under the dash it is a 2P connector blue taped to the harness by the heater blower area. Wire colors are blue/red to yellow ...  
AccordAutoOBD2-OBD1 13 Oct 2005 - 22:25 - r1.4 Home.drdisco69
Information provided by Bird333 First off my disclaimer (gotta have one right ). I, nor anyone else is responsible (except you) if you screw up your car, house, life ...  
Acura 21 Feb 2004 - 20:10 - NEW Home.sideout
Acura, a luxury branch of Honda was started in 1986. It's first luxury car, the Acura Legend won Car and Driver's Import Car of the Year trophy in 1991. Later on ...  
AcuraIntegraPR4ECUPinoutAndSchematics 25 May 2005 - 04:33 - NEW Home.markolson
I found an old manual that had Engine Control System schematics for the '90 and '91 Integra, which is the OBD0 PR4 ECU. Unfortunately, it didn't have pinouts for the ...  
AddAKnockSensor 24 Jun 2005 - 03:02 - r1.2 Home.street_kings
To add a Knock Sensor to a P75 here is what I did: 1. Remove a knock board from a JDM p30 2. Move the connector strip from prot "A" to port "B" 3. Remove R12 4. Add ...  
AddBoost 19 Feb 2004 - 22:01 - NEW TWiki Guest
crome scripts work on p06, p28, p30 (edm, jdm, usdm), p72; it recognizes the rom as do most other Rom editors. Not all scripts work on all ROMs. Boost is a notable ...  
AddIABToP28 29 Jul 2006 - 05:20 - r1.9 Home.M2Prelude
Author: Deluded Date: 07-24-03 23:44 READ CAREFULLY: The procedure to add IABs is different depending on how they are wired. One IAB wire will always run to the ECU ...  
AddKnockToP30G00 26 Jan 2006 - 05:05 - NEW Home.synoptic
On 1720 or 11f0 I've: remove R140, R141 10k add R107, R115, R116 220R I also add (they may not be essential): C94 4u7 16v tant Q20 a143 On 1550-150x: remove R78 ...  
AddingPages 19 Feb 2004 - 22:01 - NEW TWiki Guest
To add a new page to Wiki, all you have to do is come up with a meaningful title, capitalize all the words and StringThemTogetherLikeThis. Wiki automagically recognizes ...  
AdjustPR4PaSensor 22 Sep 2005 - 21:14 - r1.2 Home.warrick
Dave Blundell sez "Vernon (deluded) sent me much of this info." As a rule of thumb, 90 PR4s have external PA sensors, and 91 ECUs have internal PA sensors. You can ...  
AirFuelRatio 12 Jul 2004 - 15:45 - r1.2 Home.blundar
The ratio of the mass of air taken in my an engine to the mass of fuel. 14.7:1 is chemically ideal in order to get the greatest efficiency from every gallon of fuel ...  
AllPages 19 Feb 2004 - 22:01 - NEW TWiki Guest
 
AtmosphericPressure 19 Feb 2004 - 22:01 - NEW TWiki Guest
Atmospheric pressure refers to the gas pressure of air. At sea level, it is approximately 14.7 psi, 1 bar or 100KPa. As altitude increases, atmospheric pressure decreases ...  
AutoOrManual 19 Feb 2004 - 23:25 - NEW Home.blundar
A hardware/software interaction will determine whether a program in an ECU behaves as a manual or auto. Hardware configuration of RP17/RP18 determines whether the ...  
AutoToManual 09 Jan 2007 - 08:17 - r1.4 Home.defensio
Most automatic ECUs can be converted to a 5spd rather easily. Going the other way often involves adding more components. At this time, it appears that the conversion ...  
AutomaticTransmissionLockupSolenoid 19 Feb 2004 - 22:01 - NEW TWiki Guest
the Automatic Transmission Lockup Solenoid is a solenoid present in automatic cars transmissions that causes the torque converter to lock under control of the ECU ...  
BAR 19 Feb 2004 - 22:01 - NEW TWiki Guest
One BAR is equal to 14.7 psi. Also called ""atm"" or ""atmospheres"" because it corresponds to atmospheric pressure at sea level. psi bar 14.7 The metric unit is the ...  
BRE 11 Apr 2005 - 22:54 - NEW Home.drdisco69
More inforation can be found at the http://forum.pgmfi.org/viewforum.php?f 36 BRE forum .  
BackLinks 19 Feb 2004 - 22:01 - NEW TWiki Guest
The contents of all pages are searched to find links to the current page. The BackLinks function also answers the question: "Which pages contain the title of this ...  
BasicConcepts 19 Jan 2006 - 07:34 - r1.3 Home.markolson
Vocab: ECU Engine Control Unit OBD0 the first unofficial generation of honda engine electronics OBD1 the second unofficial generation of honda engine electronics ...  
BatronixUSBProgrammer 19 Feb 2004 - 22:01 - NEW TWiki Guest
The http://www.progshop.com/shop/programmer/usb-chip-programmer/index.shtml Batronix USB Programmer is a slightly more polished product than their Eprommer3.3 . As ...  
BegginersFAQ 27 Feb 2007 - 18:13 - r1.2 Home.sanimalp
(blundar sez: most of these were moved over from the old FAQ) If you are a beginner, and you have a question that you think other people will have too, please add ...  
BenOgle 16 May 2004 - 16:41 - NEW Home.di3go
h  
BinFile 19 Feb 2004 - 22:01 - NEW TWiki Guest
A "bin" file is a binary file. It is a file filled with 8bit binary data.  
BlueLoctite 04 Mar 2004 - 00:45 - NEW Home.blundar
Blue Loc-Tite is like a girlfriend... your stuck with her, but you can get rid of her if you want to. Unlike RedLoctite. You put Blue Loc-Tite on a bolt that is prone ...  
Boost 19 Feb 2004 - 22:01 - NEW TWiki Guest
"Boost" refers to when the pressure inside an engine's intake manifold is greater than AtmosphericPressure . Remember, 1psi of boost is not 1psi of AbsolutePressure ...  
BoostController 19 Feb 2004 - 22:01 - NEW TWiki Guest
A boost controller is a device that allows the levels of boost generated by a turbo to be controlled. NOTE : Boost controllers can only raise boost levels above the ...  
BoostCut 19 Feb 2004 - 22:01 - NEW TWiki Guest
Boost Cut refers to a FuelCut or SparkCut that is triggered to prevent the motor from damage from too much Boost .  
C144 19 Feb 2004 - 22:01 - NEW TWiki Guest
C144 is a NPN switching transistor. It has been successfully replaced with C2785 (and its replacements).  
C2785 11 Sep 2005 - 16:28 - NEW Home.eg6ajk
C2785 is a high speed NPN switching transistor Thanks to Javier (dohcvtec) for a handy C2785 replacement. This also works for C144. C2785 NTE2361 2SD1423ARACT-ND ...  
C92 28 Feb 2006 - 12:51 - NEW Home.politex3
politex3  
CCarryBit 19 Feb 2004 - 22:01 - NEW TWiki Guest
In the 8051 architecture, "C" is the name of the carry bit. When an arithmetic operation overflows, the carry bit is set to keep track of this change. This bit is ...  
CEL 22 Dec 2005 - 08:58 - r1.3 Home.qwertyville
Check Engine Light This indicator (usually on the dash) comes on to indicate that the ECU thinks something is wrong. The ECU will usually indicate an error code by ...  
CPU 19 Feb 2004 - 22:01 - NEW TWiki Guest
Central Procesing Unit the brain  
CalendarPlugin 19 Feb 2004 - 22:01 - NEW TWiki Guest
The CalendarPlugin can be used to generate a monthly calendar in a wiki page. It's handy for PersonalWiki s. Individual dates in the calendar link to specially named ...  
CamProfile 19 Feb 2004 - 22:01 - NEW TWiki Guest
A cam profile is a distinct shape of a CamShaft. CamLift, CamDuration and CamOverlap are generally the three things measured on a CamShaft.  
CheckSum 12 Jul 2004 - 14:08 - r1.3 Home.synoptic
A Checksum is a very basic form of error checking. A checksum is calculated by adding the values of a ROM together, without any form of carry or overflow checking ...  
CheckingErrorCodes 10 Mar 2005 - 18:11 - NEW Home.blundar
http://forum.pgmfi.org/viewtopic.php?t 4886 See also HondaErrorCodes  
ChipMax 19 Feb 2004 - 22:01 - NEW TWiki Guest
Entry level professional universal device programmer with a parallel port interface. It is manufactured by http://www.eetools.com EE Tools . Retail is close to $300 ...  
ChippingAn88-89ECU 21 Sep 2005 - 08:24 - r1.8 Home.1net
OBD0MPFI ECUs have two main designs that affect how the ECU is chipped. 90-91 ECU s have an external 38256 (same as 27C256 ) ROM . This can be removed and replaced ...  
ChippingJDMP30 12 Jan 2007 - 03:32 - r1.5 Home.coupe-r
You will need bridge J1 on the back of the ECU. Add C49 C50 and C92 on back. C91 is on the front by the latch C49 C50 .004UF (Digikey part number 399-1230-1-nd ) ...  
ChippingOBD0PM6 05 Nov 2006 - 15:41 - r1.2 Home.synoptic
OBD0 ECU Chipping If you have a OBD0 ECU, chipping the ECU might not be straightforward. Almost ALL 90-91 PM6, PM7, PR4 and PP5(with catalytic converter) ECUs had ...  
ChippingOBD1BigCase 10 Aug 2005 - 21:29 - NEW Home.m2prelude
This page needs added. I will do it when I get time. If you beat me to it... good for you!  
ChippingOBD1SmallCase 11 Mar 2005 - 19:55 - NEW Lego Z81
For a write up go to ChippingJDMP30 Thanks 2 katman and infotechplus for the pics.  
ChippingOBD2 31 Mar 2004 - 19:00 - NEW Home.blundar
How to chip a ODB2 ECU by Doc (edited by Dave) Table of Contents: TOC Introduction Contrary to popular belief, it is possible to chip a ODB2 ECU. It's not cheap like ...  
ChippingWithPictures 19 Jul 2006 - 23:16 - r1.3 Home.4g vtec
Chipping OBD0 PM6 Pictures of what needs to be done to chip a 90-91 PM6/PM7/PR5/PR4/PP5/etc. ChippingOBD1BigCase Pictures of what needs to be done to chip an OBD1 ...  
ChipsForECUs 29 Mar 2004 - 21:20 - r1.2 Home.blundar
all 90-95 (most OBD0 and all OBD1 ) honda ECUs require a 32k byte (256kbit) ROM . Some common chips used by the DIY-chipping scene are the 27C256 , AT 29C256 and 27SF256 ...  
ClampingDiode 19 Feb 2004 - 22:01 - NEW TWiki Guest
This is a diode to prevent a spike from an engine component (ike a solenoid) from damaging circuitry. In most cases a 3 amp clamping diode is more than adaquate. The ...  
ClockSpeed 19 Feb 2004 - 22:01 - NEW TWiki Guest
Clock Speed refers to how fast the crystal oscillator driving the MCU is. It is important for calculating things based off timers, such as serial communication . ...  
ColumnMultiplier 19 Feb 2004 - 22:01 - NEW TWiki Guest
The column multiplier is a number used in a formula for calculating one column of the fuel map. This multiplier is found right at the end of the said fuel map. The ...  
CombustionChamber 19 Feb 2004 - 22:01 - NEW TWiki Guest
the combustion chamber is an area of the CylinderHead where the SparkPlug sits to ignite air and fuel. Burning of air and fuel occurs here. The shape of the combustion ...  
CommonTEProblems 27 Jan 2007 - 00:41 - r1.5 Jared Karagen?
The following are some problems that I see people running into fairly often when using TurboEdit. If I've forgotten any, please add both the problem and the solution ...  
CompressionRatio 19 Feb 2004 - 22:01 - NEW TWiki Guest
Compression ratio refers to how much the air-fuel mixture is compressed during the compression stroke. There are many ways to measure compression StaticCompression ...  
Conversion 19 Feb 2004 - 22:01 - NEW TWiki Guest
Describe Conversion here. Conversion is the act of modifying the WireHarness at the ECU so you can fit ohter Generation (OBD) ECU. For example, you might want to run ...  
CrankshaftPositionSensor 30 Mar 2006 - 12:50 - NEW Home.edurmus
1991 crx tpc and crk sensors inside the distributor. TDC is a 4 teeth sensor, crk is 24 teeth sensor, it is connected camshaft.  
CromeFAQ 04 Aug 2005 - 02:22 - r1.4 Home.m2prelude
Why is Crome password protected? Crome is FREE software that without the hard work of many people wouldn't even be here. To give credit to its contributors, I (John ...  
CromeROMEditor 06 Sep 2005 - 04:03 - r1.3 Home.drdisco69
Crome is ROMEditor that JohnCui wrote. Its main feature that differentiates itself from other ROMEditor s is that it supports the use of JavaScript to control it and ...  
CromeScript 31 Mar 2007 - 03:08 - r1.3 Home.racingsky
Crome has a powerful scripting language. There are many functions you can call to do things. It would be good to document them here. 3/5/04 see below for additional ...  
CruiseControlSwitch 19 Feb 2004 - 22:01 - NEW TWiki Guest
Author: tungsten2k (12-240-101-225.client.attbi.com) Date: 09-19-03 01:36 fyi, for you EF people out there lookin' to do your FTS clutch switch the easy way, you've ...  
CylinderPositionSensor 30 Mar 2006 - 12:44 - NEW Home.edurmus
in SHOC engine cyp sensor is in distributor, DHOC engine seperated at exhoust camshaft on 1991 crx model cyp 1 sensor located at the front of distributor, it s a two ...  
D16Z6-4G-swapnotes 19 Feb 2004 - 23:25 - NEW Home.blundar
Brief remarks on installing the D16Z6 itself Installing a Z6 is pretty close to dropping a D16A6 (a.k.a. A6) engine in. Alterations that need to be made include: ...  
D1780 10 Oct 2004 - 08:51 - r1.2 Home.sens
D1780 It's made by NEC.. i have the datasheet.. will post it if i knew how :) Full part number 2SD1780 2 Amp, 50 V, NPN, E-C-B (1-2-3) pins , Hfe 800 to 3200 I think ...  
DAC 19 Feb 2004 - 22:01 - NEW TWiki Guest
Digital to Analog Converter. the process of taking a digital value and converting it to an analog signal of some variety. We'll use an 8-bit DAC using a 5.00V reference ...  
DIY 19 Feb 2004 - 22:01 - NEW TWiki Guest
Do It Yourself. This website is based on the DIY concept. Everyhting is not laid out on a silver platter. Do It Yourself!  
DLC 27 May 2005 - 13:15 - NEW Home.hondainfo
Honda DLC 3-Pin Data Link Connector The DLC is a 3-pin connector and usually includes three wires, but some models only have two wires. The 3-pin connectors with ...  
DLCCommunication 29 May 2006 - 14:12 - r1.6 Home.hondainfo
DLC Communication UNDER CONSTRUCTION BY HONDAINFO 1. Physical Layer (Theoretical informations based on ISO 9141 CARB Road Vehicles Diagnostic Systems standard) Signal ...  
DOHC 19 Feb 2004 - 22:01 - NEW TWiki Guest
Dual ~OverHead Cam motors have a seperate CamShaft for both IntakeValves and ExhaustValves. See also SOHC .  
DPFI 06 Jun 2005 - 12:00 - NEW Home.1net
(DualPoint Fuel Injection) Please refer to the explanation of DualPoint.  
DataLogging 24 Oct 2005 - 06:02 - r1.14 Home.markolson
Data logging refers to recording the conditions of a running engine. It normally happens using serial communication with the ECU There are two way for Data Logging ...  
DavidBlundell 19 Feb 2004 - 22:01 - NEW TWiki Guest
I am indeed the same as DaveBlundell.  
DebugInfo 19 Feb 2004 - 22:01 - NEW TWiki Guest
Detailed view of a page, which is probably more useful for debugging than anything else.  
DebuggingDataLogging 03 Jan 2005 - 05:58 - r1.4 Home.markolson
Thanks to ltdannear for lots of help in getting this to work. The following is a guideline for how to debug the datalogging circuit you have added to your ECU. This ...  
DecAtAddy 19 Feb 2004 - 22:01 - NEW TWiki Guest
Dec At Addy is the decimal equivalent of the hex value at the specified address or location. So if the address was 1094h and the hex value at 1094h was FF then DecAtAddy ...  
DesolderingBraid 19 Feb 2004 - 22:01 - NEW TWiki Guest
Desoldering braid is a fine woven generally copper wire used to remove solder by using the "wicking" action that draws liquids into a fabric-like material. (Much like ...  
DesolderingIron 29 Mar 2004 - 21:32 - NEW Home.blundar
A desoldering iron is a SolderingIron made specially for desoldering. Generally they have a hollow tip iron combined with a DesolderingTool of some variety. I've yet ...  
DesolderingStation 19 Feb 2004 - 22:01 - NEW TWiki Guest
Standalone desoldering stations are by far the most effective (and most expensive) tools for desoldering. They generally consist of a hollow-tip SolderingIron, a vaccum ...  
DesolderingTips 19 Feb 2004 - 22:01 - NEW TWiki Guest
Some basic wisdom from my time with the desoldering tools: #DO NOT USE THE SUCTION ALL THE TIME #BE PATIENT. You need to wait for the solder to melt all the way through ...  
DesolderingTool 19 Feb 2004 - 22:01 - NEW TWiki Guest
there are several common styles of desoldering tools commonly available that allow the use of a regular SolderingIron for desoldering: Plunger-style tools use a spring ...  
DetonationFrequency 19 Feb 2004 - 22:01 - NEW TWiki Guest
Detonation Frequency The reverberation resonance generated by detonation generally lies in the range between 2 and 12KHz. The following equation can be used to estimate ...  
DifferenceUsCanPM6 03 Mar 2004 - 03:19 - r1.2 Home.tatou100
Here's the difference beetween US and Canadian PM6 First you have to know that US Civic/CRX have a external ElectricalLoadDetector or ELD. It's located in the fuse ...  
DigiKey 17 Feb 2004 - 18:56 - NEW ROM
http://www.digikey.com DigiKey is one of the larger and more convenient mail order electronic part suppliers in the USA.  
DisableVtecVSSCheck 19 Feb 2004 - 22:01 - NEW TWiki Guest
bleh fuckup  
DisableVtecVSSCheckP28 19 Feb 2004 - 22:01 - NEW TWiki Guest
Author: GimpyAccord Date: 08-14-03 03:42 1286- C5 22 19 : SB 22.1 1289- C5 F3 C0 32 : CMPB F3, #32 128D- CA 1B : JLT 12AA 128F- C5 D9 C0 44 : CMPB D9, #44 1293- CD ...  
DisableVtecVSSCheckP30_203 19 Feb 2004 - 22:01 - NEW TWiki Guest
Author: doc 07-10-03 15:21 Did i? Ok, in a 203 or 209 rom, you can change the location 6010 (hex) from 00 to FF to bypass the VSS check in the VTEC routine. If you ...  
DisableVtecVSSCheckP72 19 Feb 2004 - 22:01 - NEW TWiki Guest
How to disable 25mph VSS check for vtec engagement on P72: Author: Speedz Date: 08-23-03 15:59 here's where its at in the p72 :) 11FD- C5 22 09 : RB 22.1 1200- CB ...  
Distributors 19 Feb 2004 - 22:01 - NEW TWiki Guest
A distributor is a device that allows one IgnitionCoil to provide spark to more than one (distribute) cylinder.  
DocECUSchool 05 Mar 2004 - 17:40 - NEW Home.blundar
From post: Doc Teaches ECU School A while ago, Doc and I had a conversation on IM that turned into a very informative post. It is now archived here for your reading ...  
DualMaps 19 Feb 2004 - 22:01 - NEW TWiki Guest
see DualRoms  
DualPoint 06 Jun 2005 - 11:54 - r1.2 Home.1net
Dual Point is used for refering to the DPFI ( Dual-Point Fuel Injection) motors and ECUs. It is essencialy the next generation of carbs. The fuel is injected with 2 ...  
DualRoms 03 Oct 2005 - 14:07 - NEW Home.1net
Honda RomMaps are 256 kilobits (32kbytes) Use a 2xC512 (512kbit/64kbyte) EPROM Make one rom image with two full RomMaps one beginning at offset 00h one beginning at ...  
DualRunnerManifold 23 Feb 2006 - 07:35 - NEW Home.sonictronic
A dual runner manifold like on the F22/B18C1/H22A has two passages for air to flow. When in a low rpm range the long runners are engaged to promote torque production ...  
DualTables 19 Feb 2004 - 22:01 - NEW TWiki Guest
Dual tables simply refers to there being two sets of fuel/timing information in a single ROM. Vtec is an example of this there is one set of tuning information for ...  
ECT 05 Mar 2004 - 20:05 - r1.2 Home.blundar
Engine Coolant Temperature  
ECU 24 Mar 2005 - 23:22 - NEW Home.Badboypolar
Engine Control Unit a computer that controls a car engine. Below are some basic questions about ECU's answered. How do I tell if my ECU is manual or auto? http:/ ...  
ECU-CodeCompatibility 20 Feb 2004 - 00:37 - NEW Home.blundar
Most honda ECUs can run code from other ECUs of a similar age, and similar family. Civics and Integras generally can share code. Preludes and Accords are certainly ...  
ECUBoostController 19 Feb 2004 - 22:01 - NEW TWiki Guest
The BoostController feature is a DEVELOPMENTAL feature where the ECU controls boost by sending a PWM signal to a bleed solenoid on the wastegate pressure line, just ...  
ECUControl 11 Apr 2005 - 22:50 - NEW Home.drdisco69
see http://www.ecucontrol.com or the http://forum.pgmfi.org/viewforum.php?f 10 ECU Control forum for more information.  
ECUHardware 06 Feb 2007 - 01:40 - r1.4 Jared Karagen?
This page describes how the hardware in an ECU works, and fun things you can do with it. If you are just wanting to learn how to chip your ECU , you should look at ...  
ECUHardwareMods 23 Feb 2006 - 07:38 - r1.12 Home.sonictronic
It is possible to do may modifications to the hardware of a Stock ECU. You can convert AutoToManual . You can convert OneWireTo4WireO2Sensor if starting with a P08 ...  
ECUNitrousControl 19 Feb 2004 - 22:01 - NEW TWiki Guest
ppl are working on a ROM where the ECU activates the nitrous solenoid instead of the usual WOT switch. The main advantage of this is that the ECU knows when nitrous ...  
EDM 27 May 2005 - 11:39 - NEW Home.hondainfo
European Domestic Market cars produced for Europe Compare to: JDM , USDM Note: EDM OBD1CivicIntegra ECU s generally lack the InjectorTestCircuit, KnockSensor, ElectricalLoadDetector ...  
EEPROM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Electrically Erasable Programmable ROM Basically, an EPROM that can be erased using a RomBurner or similar device.  
EPROM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Electrically Programmable ROM ROM that can be programmed using a RomBurner The most common types pin-compatible with most OBD0 and OBD1 Honda ECU s are the 27C256 ...  
ERM 19 Feb 2004 - 22:01 - NEW TWiki Guest
see UberDataERM  
EasyRtpInstall 30 Jul 2004 - 16:01 - r1.4 Lego Z81
Please Note: These installation instructions are preliminary. Please double check the instructions and report any errors. Once you've completed the construction of ...  
EasyRtpV10 22 Dec 2004 - 20:36 - r1.10 Home.synoptic
This page is a construction design for the Easy-RTP V1.0 board. This is the single sided design for a DS1230 style 28 pin DIP NVSRAM. You can find the eagle design ...  
EcuBackupProcessor 18 Nov 2004 - 17:30 - NEW Home.blundar
Honda ECUs are engineered with many levels of redundancy. There is a Backup processor (labeled NEC BACK0004 in most OBD0 and Oki 6534 in most OBD1 (??)). The backup ...  
EcuChippingWirelist 22 Nov 2005 - 23:59 - r1.4 Home.markolson
This topic is intended to help you debug soldering problems when chipping an ECU. The first section is generic advice for debuggiing all ECUs. The remaining sections ...  
EcuConnections 01 Nov 2006 - 18:43 - r1.4 Home.almskidd
You can donate any ECU WireHarness setup here. Write the ECU type, engine, cam, XDM and carmodel and make a link to a thread at Harnesses and Conversions in the Approaces ...  
EcuDefinitionCodes 02 Apr 2007 - 17:06 - r1.84 Home.hackish
Honda ECU definition codes These id codes are the last 3 digits printed directly on the MCU after the model number (e.g. M66207-251 the "251" portion will be a much ...  
EcuFamilies 29 Jan 2007 - 15:49 - r1.23 Home.1net
ECU Families: TOC "Pre-OBD" Early fuel injection designs PG7 : 86-87 USDM / JDM Integra (D16A1 VacuumAdvance) PE7 : 85-87 EDM / USDM Civic/CRX Si (EW3/EW4 VacuumAdvance ...  
EcuSensors 14 Apr 2006 - 13:08 - r1.4 Home.edurmus
Sensors present on almost all honda motors: CrankshaftPositionSensor Determines timing for fuel injection and ignition of each cylinder and also detects engine speed ...  
EcuTroubleCodes 23 May 2006 - 16:01 - r1.3 Home.Nuno Euro VTi?
http://www.hybridgarage.com/tech/codes.html Hybrid Garage's list of ECU trouble codes is pretty good too. There is a good list of the ECU trouble codes and other ...  
EcuTroubleshooting 14 Apr 2006 - 13:09 - r1.5 Home.edurmus
"my chipped ECU doesn't work! Help!" When you say "it doesn't work," what do you mean? There are a couple of common problems encountered when chipping ECUs: Sometimes ...  
EcuTuning 19 Feb 2005 - 21:45 - r1.2 Home.markolson
. Author: blundar Date: 08-12-03 14:12 EGT (or ExhaustGasTempSensor) and WideBandO2 used in combination with DataLogging can be a really powerful tool. Timing changes ...  
EditText 19 Feb 2004 - 22:01 - NEW TWiki Guest
All pages (except search results) have an EditText link at the bottom. You can edit the page you are reading by clicking that link. PhpWikiDocumentation  
ElectricalLoadDetector 29 Jan 2005 - 18:49 - NEW Home.synoptic
Electronic Load Detector measures electrical load used to determine if the alternator should be in low or high output mode. Since Hondas are running so lean at idle ...  
ElectronicAdvance 05 Mar 2004 - 18:23 - NEW Home.blundar
Electronic Advance refers to a motor setup where SparkAdvance can be controlled electronically by the ECU. Electronic Advance replaced VacuumAdvance because it is much ...  
ElectronicAdvanceDistributors 19 Feb 2004 - 22:01 - NEW TWiki Guest
Electronic Advance Distributors are distributors where the amount of SparkAdvance can be controlled electronically by the ECU .  
ElectronicAirControlVale 12 Apr 2004 - 02:03 - NEW Home.SYnoptic
See : IdleAirControlValve  
ElectronicBoostController 19 Feb 2004 - 22:01 - NEW TWiki Guest
An Electronic BoostController is an electronic device usually composed of a solenoid on one of the wastegate lines and a logic device controlling when the solenoid ...  
ElectronicPartSupplier 22 Jun 2004 - 02:15 - NEW Home.phiz
a handful of major electronic part suppliers: http://www.digikey.com Digikey good in-stock availability, great catalog, good website. http://www.arrow.com Arrow ...  
EngineCoolantTemperature 05 Mar 2004 - 19:46 - NEW Home.blundar
The EngineCoolantTemperature (ECT) sensor measures how warm (or cool) coolant passing through the motor is. Ed Gibson had this to say about it: 'Temperature lookup ...  
EngineSim 27 Jan 2007 - 14:57 - r1.4 Home.b16a2
The Engine Simulator is a device designed to simulate a running motor to aid in ECU development. Some links: (None of which work as of 1.7.2005, and certainly way ...  
EngineSimulator 21 Apr 2004 - 15:23 - r1.2 Home.blundar
See EngineSim  
Epromer5 19 Feb 2004 - 22:01 - NEW TWiki Guest
A perpetual favorite among the GM crowd, the Epromer5 is a solid, tried and true product. As of October 10, 2003, prices ranged from $94.50 to $114.50 depending on ...  
Eprommer3.3 19 Feb 2004 - 22:01 - NEW TWiki Guest
The http://www.batronix.com/electronic/circuits/eeprommer.shtml Eprommer 3.3 has long been a favorite of the DIY community. The burner is simple to construct, not ...  
Eprommer5 19 Feb 2004 - 22:01 - NEW TWiki Guest
A perpetual favorite among the GM crowd, the Epromer5 is a solid, tried and true product. As of October 10, 2003, prices ranged from $94.50 to $114.50 depending on ...  
ExhaustGasTempSensor 19 Feb 2004 - 22:01 - NEW TWiki Guest
Exhaust Gas Temperature sensor, often ''EGT'' An outboard meter and sensor that is installed into the exhaust system close to the head that measures exhaust gas temperature ...  
FLASH 19 Feb 2004 - 22:01 - NEW TWiki Guest
FLASH- ROM is very much like EEPROM except that it is erased / written in sectors  
FindPage 19 Feb 2004 - 22:01 - NEW TWiki Guest
Here are some good starting points for browsing. HowToUseWiki gives you the quick lowdown on Wiki markup. RecentChanges recorded automatically. MoreAboutMechanics ...  
FuelCut 19 Feb 2004 - 22:01 - NEW TWiki Guest
A Fuel Cut is when fuel to the motor is shut off completely. This is usually done as part of a RevLimiter, LaunchControl or BoostCut routine. FuelCut RevLimiter s ...  
FuelOctane 19 Feb 2004 - 22:01 - NEW TWiki Guest
Fuel "Octane" is a measure of gasoline's resistance to PreIgnition. the http://www.faqs.org/faqs/autos/gasoline-faq/ Gasoline FAQ explains all you ever wanted to know ...  
FuelPressure 19 Feb 2004 - 22:01 - NEW TWiki Guest
You can increase the amount of fuel delivered by increasing your static FuelPressure. High FuelPressure may however slow the injector from opening, sacrificing crisp ...  
FullDuplexDatalogging 24 Oct 2005 - 05:56 - NEW Home.markolson
Here is an explanation of half duplex vs full duplex serial port operation. It is really quite simple. With half duplex operation, only one side of the serial link ...  
FullRecentChanges 19 Feb 2004 - 22:01 - NEW TWiki Guest
Here's a list of all recently changed pages on this wiki, not just the most recent ones found in RecentChanges. (See RecentEdits for all recent minor edits and changes ...  
FullTextSearch 19 Feb 2004 - 22:01 - NEW TWiki Guest
Search Again:  
FullThrottleShift 19 Feb 2004 - 22:01 - NEW TWiki Guest
Full Throttle Shift This is simply an extension of the concept behind Full-Throttle Launch (aslo called LaunchControl) that allows for a different rev limit while ...  
FurtherReading 19 Feb 2004 - 22:01 - NEW TWiki Guest
So you want to learn more about EFI theory, ECUs, or just stuff in general. This is intended to be a place to put links to stuff worth reading. HonData's http://www ...  
FutureActive 10 Mar 2004 - 21:25 - NEW Home.blundar
http://www.future-active.com Future Active is a major electronic parts distributor. They sell both the 27SF256 and Aries low-profile ZIF cheap.  
FuzzyPages 19 Feb 2004 - 22:01 - NEW TWiki Guest
The titles of all pages are searched to find those which are similarly spelled or similar sounding (english).  
G-Spot 11 Apr 2005 - 22:59 - NEW Home.drdisco69
For more information, see the http://forum.pgmfi.org/viewforum.php?f 13 G-Spot forum .  
GetRidOfCruiseControlUpshiftLight 23 Feb 2006 - 07:30 - NEW Home.sonictronic
All you need to do is remove R135. When I modify some P05 ecus I would sometimes get a solid Cruise control light when using an Ex cluster. Or a solid Upshift Light ...  
GhettoDyne 11 Apr 2005 - 22:55 - NEW Home.drdisco69
see http://www.ghettodyne.com for more info. TurboEdit can do everything GhettoDyne did and it is currently being actively developed. (oct 8 2003) For more information ...  
GoodStyle 19 Feb 2004 - 22:01 - NEW TWiki Guest
"Young writers often suppose that style is a garnish for the meat of prose, a sauce by which a dull dish is made palatable. Style has no such separate entity; it is ...  
HardwareForOneWireVtec 23 Sep 2006 - 17:08 - r1.3 Home.tatou100
First, let me give credit to JasonParker for coming up with the parts list; I finally laid my hands on a PS9 to get the part values. To mod the PM6 (and likely similar ...  
HelmsManual 19 Feb 2004 - 22:01 - NEW TWiki Guest
Helm Inc. http://www.helminc.com The distributor of the Honda ServiceManual. EF (88-91 Civic/CRX), EG (92-95 Civic), DA (90-93 Integra), DC (94-01 Integra) http:/ ...  
Hex2Bin 24 Feb 2005 - 04:43 - r1.2 Home.fastone
You can convert HexFile s to BinFile s using http://www.keil.com/download/files/hex2bin.zip hex2bin (also available as an attachment to this page)  
HexFile 25 Mar 2004 - 20:13 - NEW Home.sevedd
A "hex" file is a file encoded in Intel Hex format. The Intel HEX file is an ASCII text file with lines of text that follow the Intel HEX file format. Each line in ...  
HiResP72 17 Feb 2004 - 09:26 - NEW Home.tungsten2k
HiResP72 is a custom P72 based ROM that has been modified to have the same size fuel and ignition lookup tables as used in the P28 so that tables can be copied/pasted ...  
HighCam 30 Mar 2004 - 08:08 - NEW Home.tekphobia
in a Vtec motor, the HighCam is used at higher RPMs. This CamShaft is generally optimized for power and higher-RPMs. See also: LowCam HighCam of VTEC camshaft:  
HighImpedanceInjectors 19 Feb 2004 - 22:01 - NEW TWiki Guest
See SaturatedInjectors  
HonData 19 Feb 2004 - 22:01 - NEW TWiki Guest
Hondata are the current (nov 03) commercial leaders in stock Honda ECU development and reprogramming. They certainly have excellent, tried, proven tools for tuning ...  
Honda 05 Mar 2004 - 18:19 - NEW Home.blundar
Thank goodness for Honda Motor Company, otherwise we all would be without a hobby.  
HondaErrorCodes 18 Nov 2004 - 21:11 - NEW Home.blundar
Ripped from http://www.hybridgarage.com Honda ECU Trouble Codes by various contributors 1 Accord Civic CRV CRX Del Sol Odyssey Prelude 85-98 86-98 97-98 85-91 93-97 ...  
HowDoesDataLoggingWork 24 Oct 2005 - 06:50 - NEW Home.markolson
There are a number of programs that enable you to log data about how your engine is working by reading information out of the ECU. For my OBD1 ECUs, I use CROME Pro ...  
HowToLogExternalDataSuchAsAnEgtSensor 07 Mar 2006 - 04:51 - r1.5 Home.markolson
Wouldn't it be nice to use your ECU to log data from and aftermarket sensor such as data from an EGT sensor? If you could, it would be relatively easy to use the O2 ...  
HowToUseWiki 19 Feb 2004 - 22:01 - NEW TWiki Guest
''"Wiki wiki"'' means "quick" in Hawai'ian. All you really need to know is: To edit any page click on the Edit Text link at the bottom of the page. You should do that ...  
HowtoAddExtraFeaturesInCrome 22 Jul 2005 - 15:52 - NEW Home.blundar
step 1: click 'down load' on the extra features .zip file found on page 1/post 1 of the 'add extra features' thread. step 2: after you click 'down load' you will ...  
IAB 19 Feb 2004 - 22:01 - NEW TWiki Guest
Intake Air Butterflies a valve that opens and closes to switch between two available passages in the intake manifold. This is done to allow the use of a longer runner ...  
IAT 19 Feb 2004 - 22:01 - NEW TWiki Guest
See IntakeAirTemperatureSensor  
IO 19 Feb 2004 - 22:01 - NEW TWiki Guest
Input / Output lets a MCU talk to other things  
IdealGasLaw 26 May 2004 - 18:14 - NEW Home.blundar
the Ideal Gas Law is an equation you may or may not remember from high school chemistry. PV nRT P Pressure (must be an AbsolutePressure scale) V Volume n number of ...  
IdleAirControlValve 05 Mar 2004 - 20:08 - NEW Home.blundar
The Idle air control valve, or IACV regulates the car's idle based on the coolant temperature. Target idle settings vs. ECT: Note: this is ECU controlled and can be ...  
IgnitionCoil 19 Feb 2004 - 22:01 - NEW TWiki Guest
An ignition coil is a wirewound coil that stores electrical current in order to make a spark in a cylinder.  
IgnitorReplacement 23 Feb 2004 - 21:22 - NEW Home.blundar
It is possible to replace the ignitor in the distributor with a solid state circuit to trigger the input of a MSD/Crane/etc. Dave: Note that the ZTX857 is not an absolute ...  
Info 19 Feb 2004 - 22:01 - NEW TWiki Guest
 
InjectorSizing 19 Feb 2004 - 22:01 - NEW TWiki Guest
Fuel Injectors must be sized to provide adequate fuel flow at maximum HP/RPM/Boost, while being small enough to provide low-enough flow during idle. Most PGM-FI systems ...  
InjectorTestCircuit 22 Jun 2004 - 15:39 - NEW Home.blundar
The Injector Test Circuit is present in USDM ECUs to determine whether injectors are connected to the ECU. Responsible for a Code 16.  
IntakeAirTemperatureSensor 05 Mar 2004 - 19:46 - r1.2 Home.blundar
IntakeAirTemperatureSensor The intake air temperature sensor reads the temperature of air flowing into the motor. graph of resistance / temperature for stock IAT ...  
Intel8051 23 Jul 2004 - 04:44 - r1.4 Home.blundar
for all you could want to know and a great tutorial, go to http://www.8052.com Any 8051 assembler will work fine for coding. Sysrad51, available http://www.systronix ...  
InterWiki 19 Feb 2004 - 22:01 - NEW TWiki Guest
This wiki supports InterWiki links in a style copied from UseMod: wiki. Links to pages in other wikis can be made without having to know or type the full URLs, for ...  
InterWikiMap 19 Feb 2004 - 22:01 - NEW TWiki Guest
The InterWiki map used on this wiki is listed below. The map is taken from the text in the verbatim block below. (But this only works if this page is locked.) AbbeNormal ...  
InternalROM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Internal ROM is memory stored inside the MCU  
IntroductionToECUChipping 12 May 2006 - 09:00 - r1.10 Home.hondainfo
Introduction to ECU Chipping by David Blundell Please feel free to link to this article, but "mirroring" is highly discouraged, as you will not automatically receive ...  
JDM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Japanese Domestic Market cars produced for use in Japan Compare to: EDM , USDM Note: JDM OBD1CivicIntegra ECU s generally lack the ElectricalLoadDetector and PressureAtmosphere ...  
JapaneseDomesticMarketP30D12Modification 31 Mar 2007 - 03:41 - r1.3 Home.racingsky
Using the Unused Analog Input D12 on OBD1 ECUs to Log Analog Input Such as Exhaust Gas Temperature. All of the testing was done on a USDM P30 OBD1 ECU and all of ...  
JavaScript 19 Feb 2004 - 22:01 - NEW TWiki Guest
Java Script is a scripting language commonly used on the world wide web. It is also used to write scripts to control CromeROMEditor Crome if you ask http://www.google ...  
JoelEck 19 Feb 2004 - 22:01 - NEW TWiki Guest
I'm Joel Eck, my PGMFI handle is 90wagon. It took me entirely too long to figure out 90wagon was not a valid wikiword, whatever that means. I'm having a bit of trouble ...  
KeheinIndianaPrecisionTechnology 06 Apr 2004 - 22:12 - NEW Home.alexburke
Keihin Indiana Precision Technology (IPT) appear to have designed the Honda ECUs. They have a http://www.ipt-inc.com/sp.html website . J. Wong: on a tangent, Indiana ...  
KnockBoard 12 Apr 2004 - 04:07 - NEW Home.tekphobia
the knock board is a circuit board (seperate from main ECU PCB) mounted in the top-right hand corner of DOHC Vtec ECU s having a KnockSensor. The KnockBoard is responsible ...  
KnockReplacement 23 Feb 2004 - 21:09 - NEW Home.blundar
This is one of Dave B's pet projects. The stock honda knock board leaves a lot to be desired. It would be nice to incorporate a more modern stategy for preignition ...  
KnockSensor 19 Feb 2004 - 22:01 - NEW TWiki Guest
KnockSensor s can be found on DOHC Vtec motors, such as the B16, B18C and H22. Also on SOHC Vtec OBD2 motors. A knock sensor is basically a special microphone that ...  
KnockSensorVoltages 17 Apr 2004 - 02:03 - NEW Home.calvin
Listed below is honda's table for appropriate knock noise @ WOT RPM KnockSensor Voltage(Volts) 0 0.01953125 800 0.01953125 1600 0.01953125 2400 0.05859375 3200 0.29296875 ...  
KurtsOBD0-OBD1 19 Feb 2004 - 22:01 - NEW TWiki Guest
First attempt to post this OBD1 conversion write-up on wiki.pgmfi.org. Some sections need revision still and they are in italics/bold print. Please send any suggestions ...  
LabelDecode 19 Sep 2004 - 19:21 - r1.3 Home.blundar
You can find out a lot from reading the label on a OBD1 ECU. This applies mainly to the Civic ECUs... dunno bount the integra ones. 37820-ABC-XYZ Digits Meaning ABC ...  
Latch 05 Mar 2004 - 17:42 - NEW Home.blundar
to latch something is to hold or preserve its state latches, like the 74HC373 are logic gates that hold the state of IO lines.  
LaunchControl 10 Sep 2006 - 00:39 - NEW Home.yillo
Launch control refers to a "two-step" revlimiter. The way this works operationally is fairly simple there is a lower RevLimiter while the car is stationary, so that ...  
LearningToSolder 19 Feb 2004 - 22:01 - NEW TWiki Guest
Please add wisdom and tips here as you see fit! Some tips for good soldering: Use a relatively fine solder ideally around the same size in diameter as the holes in ...  
LegoZoo 19 Feb 2004 - 22:01 - NEW TWiki Guest
I try to be cool... http://home.insightbb.com/~legoz81 LegoZ81@a5.com LegoZ81 on the site go grab mIRC get on EFNet and /j #pgmfi.org !!! I will be hosting files there ...  
LikePages 19 Feb 2004 - 22:01 - NEW TWiki Guest
Like Pages are pages which share an initial or final word with that page. See also Wiki:LikePages and MeatBall:LikePages.  
LimpMode 04 Mar 2004 - 00:45 - NEW Home.blundar
Aka "Limp Home Mode" LimpMode is the mode of operation when the ECU's CEL is lit solid red indicating a major malfunction. It is intended to get the car home, and ...  
LinkIcons 19 Feb 2004 - 22:01 - NEW TWiki Guest
Link Icons are an optional new feature of PhpWiki. When activated, icons will be displayed in front of URLs to indicate the type of link. http://phpwiki.sourceforge ...  
LittleEndian 19 Feb 2004 - 22:01 - NEW TWiki Guest
Little Endian is the layout of multi-byte values in memory used by many processors, including Intel x86's and OKI 66k's. Little Endian layout stores the least significant ...  
LowCam 30 Mar 2004 - 08:06 - NEW Home.tekphobia
In a vtec motor, the LowCam is used at low RPMs. Generally, this CamShaft is optimized for fuel economy and a smooth idle. See also: HighCam LowCam of VTEC camshaft ...  
LowImpedanceInjectors 19 Feb 2004 - 22:01 - NEW TWiki Guest
See PeakAndHoldInjectors  
MAX233 19 Feb 2004 - 22:01 - NEW TWiki Guest
the http://www.maxim-ic.com Maxim MAX233 chip is commonly used to translate between TTL and RS232 levels during serial communication . It does not require any external ...  
MCU 30 Jul 2004 - 19:19 - NEW Lego Z81
MCU microcontroller A small CPU sometimes with RAM , ROM , EPROM , EEPROM , FLASH , or IO facilities onboard. Documentation on MCU's inside Honda ECU 's is http:/ ...  
MPFI 19 Feb 2004 - 22:01 - NEW TWiki Guest
Multi Port Fuel Injection refers to a fuel injection system with one injector per intake runner, and one intake runner per cylinder. On a four cylinder engine, this ...  
MafSensor 19 Feb 2004 - 22:01 - NEW TWiki Guest
The Mass Air-Flow Sensor directly measures the mass of the air entering the engine. This is accomplished using either a flapper-valve which is deflected a certain ...  
MagicPhpWikiURLs 19 Feb 2004 - 22:01 - NEW TWiki Guest
About phpwiki: URLs A special type of URL is available for making links to perform administrative and other special functions in PhpWiki. Here is a brief description ...  
ManualChecksum 19 Feb 2004 - 23:25 - NEW Home.blundar
There are two ways to fix a checksum error. The first is to change the program of the ROM in such a way that the checksum routine is disabled / removed. Learn to code ...  
MapSensor 13 Sep 2006 - 16:33 - r1.4 Turbo EF9?
The Manifold Absolute Pressure Sensor (MapSensor) tells the ECU what the absolute pressure in the intake manifold is (relative to AbsoluteVacuum). This allows the ...  
MapSensorEquation 04 Mar 2005 - 22:43 - r1.2 Home.markolson
Modeling the MapSensor voltage output into a usable number. (From the Helm Manual:) http://www.pgmfi.org/twiki/pub/Library/MapSensor/honda stock map volt.jpg y mx ...  
MassAirFlow 26 May 2004 - 17:42 - NEW Home.blundar
A Mass Air Flow engine managment system uses a mass-air-flow sensor (MafSensor) which is placed in the intake tract to directly measure the mass of air entering the ...  
McuReaders 05 Mar 2004 - 17:46 - r1.2 Home.blundar
All of the MCU readers described here take advantage of a design flaw of oki MCUs (and the design flaw is present on all MCUs we have seen to date). MCUs can use both ...  
MoreAboutMechanics 19 Feb 2004 - 22:01 - NEW TWiki Guest
Php Wiki is written in the server-side scripting language PHP, available from http://www.php.net/. PHP resembles C and Perl in its syntax, and functions much like ASP ...  
MostPopular 19 Feb 2004 - 22:01 - NEW TWiki Guest
 
MultiMeter 19 Feb 2004 - 22:01 - NEW TWiki Guest
A peice of test equipment used for measuring voltage, current, resistance, and possibly other electircal quantities and displaying the value in number form.  
MultiprocessorMode 03 Jun 2005 - 10:07 - NEW Home.hondainfo
MULTIPROCESSOR COMMUNICATIONS In applications where multiple controllers jointly perform a task, the master controller must be able to communicate selectively with ...  
NVSRAM 23 Mar 2006 - 19:36 - r1.3 Home.Nuno Euro VTi?
NVSRAM Non Volatile SRAM fast, byte addressible, byte write, RAM that retains its contents after power is lost. NVSRAM usually takes one of several forms: Battery ...  
NewMarkupTestPage 19 Feb 2004 - 22:01 - NEW TWiki Guest
New lists: asterisks, hash marks, and ";text:def" (wrong...) bullet l1 l2 l2 l3 # one #two #three Term1: definition1.1 defintion1.2 Term2 : defintion2 Term3: defintion3 ...  
NicoAnalyze 18 Jul 2005 - 02:10 - r1.2 Home.roy
Author: XDEep first thanks to nico for a great tool. the mishap im talking about is when you drag the scrollbar up and down, the cells get pushed around. so even though ...  
NokiaCableDatalogging 15 Nov 2005 - 22:34 - r1.3 Home.nate
Jim Truett says: (original http://forum.pgmfi.org/viewtopic.php?t 1663) I have found a very good adapter to link the TTL output from an ECU to a Laptop or PC with ...  
NonVtec-To-Vtec 27 Jan 2007 - 14:09 - r1.2 Home.b16a2
In most cases, it is relatively simple to convert non-vtec ECUs to Vtec. The same PCB was used in several ECUs, with components added or left off as needed. Look for ...  
O2HeaterCircuit 19 Feb 2004 - 22:01 - NEW TWiki Guest
the O2 heater circuit is what makes 4-wire OxygenSensor s different from 1-wire sensors. The heater circuit helps the sensor stay in its optimum temperature range ...  
O2InputMod 05 Jun 2006 - 17:48 - r1.3 Home.almskidd
See http://www.marklamond.co.uk/tech-honda/pgm-fi/o2-input/o2-input.htm for details this lets you modify you ecu for 0-5v input. The ADC is converts the analogue voltage ...  
OBD 31 Mar 2007 - 03:45 - r1.2 Home.racingsky
On Board Diagnostics General Overview In an effort to reduce vehicle emissions, the California Air Resource Board (CARB) required that an on board diagnostic system ...  
OBD0 07 Apr 2006 - 03:20 - r1.6 Home.carotman
"OBD0" is not an official standard like OBD2 . It is most usually used to refer to MPFI ECUs made from 88-91 with ElectronicAdvanceDistributors found on OBD0MPFI ...  
OBD016BitRPM 19 Feb 2004 - 22:01 - NEW TWiki Guest
1920000 / RPM 16 bit hex value for RPM. dex2hex(1920000/value) in excel.  
OBD08BitRev 19 Feb 2004 - 22:01 - NEW TWiki Guest
RPM 1848000/DecAtAddy This formula is used for the OBD0VtecECUs revlimits and rev restarts.  
OBD0BACKUP 20 Feb 2004 - 00:37 - NEW Home.blundar
the BACK0004 Processor made by NEC is present in all OBD0MPFI ECUs. It runs the car when the CEL is lit solid red and the ECU is in LimpMode .  
OBD0CN3 19 Feb 2004 - 22:01 - NEW TWiki Guest
OBD0 ECU s generally have a 5 pin serial port labelled "CN3" This is the same pinout and has the same function more or less as OBD1CN2  
OBD0CivicIntegraRoutines 19 Feb 2004 - 22:01 - NEW TWiki Guest
OBD0StockDatalogging could potentially be used for something, but there is not currently any hardware/software supporting it.  
OBD0CodeCompatibility 12 Jul 2005 - 19:25 - r1.3 Home.4G vtec
Can you run code from one OBD0MPFI ECU in another? The short answer to this is yes. The following has been tried before and is known to work successfully: PM6 in PR4 ...  
OBD0ConversionFormula 12 Apr 2004 - 02:09 - NEW Home.SYnoptic
Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the ...  
OBD0ConversionFormulae 12 Apr 2004 - 02:06 - NEW Home.SYnoptic
Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the values ...  
OBD0ConversionFormulas 12 Apr 2004 - 02:08 - NEW Home.SYnoptic
Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the ...  
OBD0ECUAUTOTOMANUALWITHOUTREMOVEANYHARDWARE 09 Jan 2007 - 17:51 - r1.2 Home.defensio
I have tested it in my CRX SI 91 with CIVIC SI 90 Auto ECU(pm6) and it work perfectly. This is why its not necessary to remove anything in the Auto Ecu to Run with ...  
OBD0Edit 11 Apr 2005 - 22:58 - NEW Home.drdisco69
For more information, see the http://forum.pgmfi.org/viewforum.php?f 19 OBD0Edit forum .  
OBD0Fuel 19 Feb 2004 - 22:01 - NEW TWiki Guest
OBD0 fuel formula: a 2 ^ ColumnMultiplier pulsewidth in ms (DecAtAddy (224/a))/(208/a)  
OBD0Ignition 19 Feb 2004 - 22:01 - NEW TWiki Guest
OBD0 ignition formula: (DecAtAddy-15) x .36  
OBD0InterChipCommunication 17 Feb 2004 - 09:44 - NEW Home.tungsten2k
There are several chips connected to the Oki83C154 or Oki80C154 MCU : NEC UPD7004C ADC 5128XRAM external SRAM Oki6260A IO controller 38256 EPROM (32k) in some cases ...  
OBD0MPFI 30 Jan 2006 - 07:24 - r1.5 Home.carotman
There is a very distinct family of ECUs found in 88-91ish OBD0 hondas. The main characteristics of this family: Oki80C154 or Oki83C154 MCUs that are essentially Intel8051 ...  
OBD0Oki83C154Reader 05 Mar 2004 - 17:56 - NEW Home.blundar
Dave says: Well, borrowing an idea from Nico-HRED/Doc used in the 66Ks, here is a program that should read out the contents of a 83C154 MCU. It assumes that you have ...  
OBD0PM6PM7RAM_Locations 17 Feb 2004 - 09:37 - NEW Home.tungsten2k
;:Bytes: RAM Alt. Notes 02C.1 bit 060h set if MAP is too high 030h CPL of 031h XRAM-1004h 031h ECT 032h IAT XRAM-1005h 033h CPL of IAT } 034h barometer? 036h MAP 037h ...  
OBD0PR4 20 Feb 2004 - 00:37 - NEW Home.blundar
OBD0 PR4 ECUs from the USDM (and JDM?) 1.8L B18A-powered Integra have some quirks: There are two versions of the ECU, each using the same circuit board. One uses ...  
OBD0StockDatalogging 19 Feb 2004 - 22:01 - NEW TWiki Guest
The serial interrupt code in the stock ECU is very simple. A 1 byte hex address is sent to the ECU, and the ECU responds with the contents of RAM memory at that address ...  
OBD0VSS 19 Feb 2004 - 22:01 - NEW TWiki Guest
Author: George Date: 12-03-02 22:36 VehicleSpeedSensor (VSS), stored in RAM location 06Ch does appear to be linear (to my surprise!), but can only read up to ~157kph ...  
OBD0VTEC 19 Feb 2004 - 22:01 - NEW TWiki Guest
OBD0 and OBD1 VTEC formula: RPM (DecAtAddy 128) x 62.52  
OBD0VtecECUs 19 Feb 2004 - 22:01 - NEW TWiki Guest
The OBD0 VTEC ECU's are the PR3 and the PW0. These ECUs ran the B16A1 in OBD0 cars from 89-91. There is no code interchangeability between the two ECU's. They use ...  
OBD1 13 Dec 2006 - 15:40 - r1.5 Home.lithiumus
" OBD 1" is generally used to refer to honda engine electronics from 92-95. Accords/Preludes used OBD1 connectors as early as 1990. This is not an official standard ...  
OBD1CN2 31 Oct 2005 - 01:53 - r1.7 Home.fred
CN2 is the connector to the serial port on an OBD1 ECU. Here's the pinout of the Dataconnector IN a Honda ECU: 1: GND 2: RX (send Data from the PC to the ECU) 3: 5 ...  
OBD1CivTegRoutines 19 Feb 2004 - 22:01 - NEW TWiki Guest
Some routines have already been commented for your viewing pleasure. P30 (203) DocECUSchool Doc explains some of how IO is performed looking at the JDM P30 203 ROM ...  
OBD1CivicIntegra 19 Feb 2004 - 22:01 - NEW TWiki Guest
bleh created this by accident. see OBD1CivicIntegraECUs  
OBD1CivicIntegraAutoManual 10 Feb 2006 - 20:34 - r1.3 Home.drdisco69
USDM RP17 and RP18 values: J Automatic Manual RP17 4.7k Ohm Open RP18 2.7k Ohm Jumpered JDM RP18 values: J Automatic Manual RP18 2.4k Ohm 1.4k Ohm JDM Auto to Manual ...  
OBD1CivicIntegraECUs 21 Feb 2006 - 08:00 - NEW Home.dj_spark
Almost all OBD1 ECU s used in 92-95 Civics and integras (but NOT preludes, accords, legends, etc.) are more or less electrically compatible. With minor tweaks, all ...  
OBD1CodeCompatibility 22 Jun 2004 - 15:34 - NEW Home.blundar
OBD1CivicIntegra ECU s are a common hardware platform. What this means is that you can (with minor modifications) run essentially any code on any ECU in the family ...  
OBD1ConversionFormulae 19 Feb 2004 - 22:01 - NEW TWiki Guest
OBD1 8bitLowCamRPM eight bit values used for low-cam tables and VTEC crossover points OBD1 8bitHighCamRPM eight bit values used for high-cam tables OBD1 16bitRPM ...  
OBD1J1 19 Feb 2004 - 22:01 - NEW TWiki Guest
J1 on OBD1 ECU s controls the state of EA . It is used to change whether the MCU uses an external ROM or internal program.  
OBD1J12 05 Mar 2004 - 19:26 - NEW Home.blundar
In its stock configuration, an OBD1 car has a diagnostic connector under the dash which is wired to the ECU's serial port. The ECU's serial port is also wired to OBD1CN2 ...  
OBD1Oki66207Reader-DIP64 05 Mar 2004 - 18:16 - NEW Home.blundar
First of all i'll thank Nico-HRED again for the info he posts in the general forum about the "66P507 Readout". I adapted the idea and simplified it, so everyone of ...  
OBD1Oki66207Reader-PLCC68 08 Jun 2006 - 00:20 - r1.2 Home.synoptic
After doing Doc's mod to read out the stock rom from a Australian P30 ecu with the 66207 in a 64 pin dip config, I started thinking that somewhere on the web I saw ...  
OBD1P08AutoManual 25 Nov 2006 - 13:52 - r1.3 Home.kesnut
RP17 and RP18 values Automatic Manual RP17 2.7K open RP18 4.7K jumped this is for board pn: 02d01550-1500 Auto to Manual: remove rp17 remove rp18 add a jumper to ...  
OBD1P13AutoManual 19 Sep 2006 - 17:33 - NEW Home.carotman
Most Auto Ecus have a jumper at RP11 and have a blank space at RP12. Move RP11 to RP12 and you now have a Manual ECU. Here a closeup of the JDM Jumper configuration ...  
OBD1PR4 26 Dec 2005 - 03:53 - r1.3 Home.Swap_File
PR4 92-93 Integra RS/LS/GS (B18A) The PR4 also came in an OBD0 variety see OBD0PR4 for the 90-91 ECUs.  
OBD1_16bitRPM 19 Feb 2004 - 22:01 - NEW TWiki Guest
If ''x'' is a 16-bit RPM value, then: RPM(''x'') 1875000/''x'' 16-bit values are invariably stored in LittleEndian format on all OBD1 ECUs.  
OBD1_8bitAdvance 19 Feb 2004 - 22:01 - NEW TWiki Guest
Given table value ''v'', ignition advance in degrees is Ignition Advance(''v'') (''v''-24)/4  
OBD1_8bitFuel 19 Feb 2004 - 22:01 - NEW TWiki Guest
Given table value ''v'' and multiplier value ''m'', the fuel value as seen in a ROM editor is: Fuel(''v'',''m'') ''v m''/4 The result is presumably proportional to ...  
OBD1_8bitHighCamRPM 26 Jul 2005 - 20:01 - NEW Home.mind-eracer
This formula is used to convert values in the high cam table scales to real-world RPMs. If ''x'' is an 8-bit high-cam scale RPM value, HiCamRPM(''x'') 1875000 ''x ...  
OBD1_8bitLowCamRPM 19 Feb 2004 - 22:01 - NEW TWiki Guest
This is the conversion from the "low cam" 8-bit RPM values used for VTEC crossover points and in the low-cam tables. It involves some modular arithmetic, so it's easier ...  
OBD1_8bitMBar 21 May 2005 - 03:50 - NEW Home.bigwig
Assuming that the stock map sensor's maximum reading is 1764 Mbar, the formula to convert MAP byte value is ((1764 / 255) OBD1 8bitMBar / 2). When the rom's map value ...  
OBD1_8bitTPS 19 Feb 2004 - 22:01 - NEW TWiki Guest
If x is a 8-bit tps value, then: TPS(''x'') ((hextodec''x'')/229.5 100)'' '' WOT(100 ) 4.5 v 4.5/5 255 229.5 by CalvinBaank  
OBD2 13 Dec 2006 - 16:03 - r1.4 Home.lithiumus
OBD 2 On Board Diagnostics 2 A standard in the US established in 1996 specifying standard methods for accessing vehicle engine computers, emissions controls and ...  
OBD2A 31 Mar 2004 - 18:21 - NEW Home.blundar
OBD2A refers to the OBD2 ECUs made from 96-98  
OBD2B 31 Mar 2004 - 18:23 - NEW Home.blundar
OBD2B refers to 99-00 Civic ECUs. They have a very slightly different connector layout than OBD2A ECUs.  
OBD2K 31 Mar 2004 - 18:25 - NEW Home.blundar
OBD2K is something I made up to differentiate the 01+ ECUs that run K-series motors from OBD2A and OBD2B ECUs.  
OBD2Oki66507ReaderNico 05 Mar 2004 - 17:39 - NEW Home.blundar
Author: HRED (ABordeaux-103-1-10-174.abo.wanadoo.fr) Date: 09-30-02 13:13 Here you can readout 66P507... Nico Block diagram of dumper:  
OBD2P5MAutoManual 07 May 2005 - 06:06 - NEW Home.Jim Truett
This is a very simple conversion. Move the SMD 0 ohm resistor from location RP13 on the bottom of the PCB to location RP14 on the top of the PCB. The 0 ohm SMD resistor ...  
OTP 19 Feb 2004 - 22:01 - NEW TWiki Guest
One Time Programmable EPROM s that can be programmed once, then the program is permanent.  
Oki6260A 02 Mar 2005 - 13:31 - r1.5 Home.l3st4rd
The Oki 6260A was manufactured for Honda by Oki. J. Wong has this to say: "I was just cleaning out my cube and just happened to run across a piece of paper with 6260A ...  
Oki80C154 20 Feb 2004 - 00:37 - NEW Home.blundar
MCU used in OBD0MPFI ECUs that has zero internal code memory. requires the use of an external EPROM It is mostly 8051 compatible, and features a third timer like ...  
Oki83C154 05 Mar 2004 - 17:44 - r1.2 Home.blundar
MCU used in OBD0MPFI ECU s that has 16k on-chip code memory. Usually copy protected, but there are McuReaders. It is mostly 8051 compatible, and features a third ...  
OneWireTo4WireO2Sensor 22 Apr 2004 - 02:59 - NEW Home.Jim Truett
If you have an ECU that lacks the O2 heater circuitry such as a P05, it is easy to enable this functionality. To convert a P05 to pretty much anything else, you need ...  
OrphanedPages 19 Feb 2004 - 22:01 - NEW TWiki Guest
Orphaned Pages are those pages which don't have any links to them.  
OxygenSensor 05 Mar 2004 - 20:05 - NEW Home.blundar
The Oxygen Sensor measures oxygen content of the exhaust gases. Early Hondas used a 1-wire Oxygen Sensor but starting in the early 90's, a 4-wire sensor was used that ...  
OzDM 17 Feb 2004 - 21:50 - NEW Home.blundar
Australian. :)  
P04 01 Mar 2006 - 12:32 - r1.6 Home.1net
The P04 came in European cars. I'm not sure which years or models, so someone fill this in. They look nearly identical in design to late model PM5 ECUs. 1992 Civic ...  
P05 28 Dec 2005 - 06:36 - r1.2 Home.4g vtec
P05 92-95 OBD1 Civic CX (D15B8) The P05 ECU came with the D15 SOHC non-vtec motor with close-coupled cat and a 1-wire O2 sensor in the 92-95 Civic CX. Basically an ...  
P06 25 Feb 2004 - 20:30 - NEW Home.blundar
P06 92-95 OBD1 Civic DX (D15B SOHC non-vtec) (Thanks Katman!) Thanks Katman:  
P07 26 Jun 2005 - 05:29 - r1.3 Home.markese
P07 92-95 OBD1 Civic VX (D15Z1) Unique in that it has two 66207 processors (one presumably for the wideband O2) Note: 303 P07 Code is very similar to 304 P28-A01 Code ...  
P08 30 Mar 2004 - 02:18 - r1.2 Home.eg6ajk
P08 92-95 OBD1 Civic/CRX VTi/VXi (D15B sohc vtec) 1 Wire O2, otherwise pretty similar to P28 .  
P0A 18 May 2006 - 18:59 - r1.3 Home.kabuki
P0A 94-95 OBD1 Accord EX attached pic is a 94 P0A-A51 PCB is IPT 02D010B0-1502 The data below has been copied over from the P13 page as a place holder. Only a few ...  
P0C 19 Feb 2004 - 22:01 - NEW TWiki Guest
P0C 92-95 OBD1 Accord 2.2L (??? F22B DOHC non-vtec)  
P11 19 Feb 2004 - 22:01 - NEW TWiki Guest
P11 92-95 OBD1 Prelude 2.0i BB3 with F20A4 non-vtec  
P12 24 Feb 2006 - 16:51 - NEW Home.carotman
92-95 Prelude S F22A1  
P13 19 Sep 2006 - 17:13 - r1.15 Home.carotman
P13 93-95 OBD1 Prelude Vtec (H22A DOHC Vtec) RAM Location Bytes Description Notes 00A4 1 MAP sensor 00AB 1 Tps Sensor OBD1 8bitTPS 00AE 2 RPM in 16bit form 00D9 1 ...  
P13JDM 17 Feb 2004 - 09:27 - NEW Home.tungsten2k
RAM Location Bytes Description Notes ROM Location Bytes Description Notes 2EC1 1 Rev Limit Desired RPM/45.18 some 8-bit decimal value. change to Hex and put in 2EC1 ...  
P14 26 Jan 2007 - 23:58 - r1.3 Jared Karagen?
P14 93-95 OBD1 Prelude Si (non Vtec H23A) There are at least 2 versions of this ECU: One with and one without knock sensor. The ECUs with a knock board have R118 ...  
P14ToP13 28 Apr 2005 - 05:11 - r1.2 Home.speed_of_bokchoy
How to convert an OBD1 P14 into a OBD1 P13 by Andrew Congdon I've now suceeded in converting a P14 to P13. Here's what I added to a P14-Q00 to make it electrically ...  
P1J 29 Jan 2007 - 16:14 - NEW Home.1net
P1J and P1K come from 96-00 UK civics with D14 engines. Despite the years, those are OBDI ECUs and seem to be easyly convertable for vtec Sorry for the bad images ...  
P1K 29 Jan 2007 - 16:06 - NEW Home.1net
P1J and P1K come from 96-00 UK civics with D14 engines. Despite the years, those are OBDI ECUs and seem to be easyly convertable for vtec Those OBDI P1J or P1K ECUs ...  
P27 19 Feb 2004 - 22:01 - NEW TWiki Guest
P27 92-95 OBD1 Euro/Asian Civic (non-vtec 1.6l)  
P28 26 Jul 2005 - 21:54 - r1.8 Home.-anton-
P28 92-95 OBD1 Civic Si/Ex and Del Sol(SOHC VTEC D16Z6) scan of auto: http://pgmfi.org/resources/FAQ/scans/P28autoback.jpg scan of auto (thanks turboef9): http:/ ...  
P28-G03 19 Feb 2004 - 22:01 - NEW TWiki Guest
P28-G03 OBDII 96+ European del Sol (SOHC VTec) (Looks like P73 P73 )  
P29 30 Mar 2004 - 02:27 - NEW Home.eg6ajk
P29 92-95 OBD1 JDM Domani/Civic 25th Anniversary (Dohc zc)  
P2E 19 Feb 2004 - 22:01 - NEW TWiki Guest
P2E 96+ Civic LX (Auto?)  
P2N 19 Feb 2004 - 22:01 - NEW TWiki Guest
P2N 96+ OBD2 Civic HX Coupe  
P2P 21 Apr 2006 - 19:55 - r1.2 Home.almskidd
P2P (Stock Bin) This Bin is based on a P30 with P2P Maps (P2P230) 96-98 OBD2A Civic EX Coupe 99-00 OBD2B Civic EX Coupe Ignition Timing info Y8 Timing Issues  
P2T 19 Feb 2004 - 22:01 - NEW TWiki Guest
P2T 99+ OBD2 Civic Si Coupe  
P30 23 Mar 2007 - 11:36 - r1.27 Home.johncui
P30 (Rom #203) P30-G01 95 Uk Civic Vti Hatch, Big case one. Uses CPU's internal rom, but has space for external rom. Ran code from rom above OK but needed knock sensor ...  
P39 15 Mar 2006 - 14:33 - r1.3 Home.carotman
P39 92-95 OBD1 JDM PRELUDE BB4 DOHC Non-VTEC(F22B)  
P51 26 Jun 2004 - 09:35 - NEW Home.sens
92-93 OBD-1 JDM Ascot Innova 2.3l Si-Z H23A CC-4 DOHC non-vtec  
P54 19 Feb 2004 - 22:01 - NEW TWiki Guest
P54 92-95 OBD1 JDM Domani/1.8l Accord (1.8L B18B DOHC) Scan: http://pgmfi.org/resources/FAQ/scans/P54-92-900ajk.jpg Scan (Thanks eg6ajk): http://pgmfi.org/resources ...  
P5M 27 May 2005 - 11:55 - NEW Home.hondainfo
37820-P5M-G61 083-100565 EDM Honda Prelude 97 2.2VTI Automatic Board: Denshigiken E2Y-B 0014F-L5000-00 X1 : 31MHz IC1: OKI M66509 524 (microcontroller) IC2: OKI M6434 ...  
P5P 19 Feb 2004 - 22:01 - NEW TWiki Guest
P5P 97-00 OBD2 Prelude Type-S (JDM)  
P61 19 Sep 2006 - 18:12 - NEW Home.carotman
P61 92-93 OBD1 USDM GSR B17A DOHC vtec m66207-215  
P70 19 Feb 2004 - 22:01 - NEW TWiki Guest
P70 92-95 OBD1 Domani (sohc vtec zc no oil pressure sensor reading)  
P71 30 Mar 2004 - 02:26 - NEW Home.eg6ajk
P71 92-95 OBD1 Integra (d16a nonvtec)  
P72 02 Apr 2006 - 02:18 - r1.18 Home.91crxsi
ROM addresses and their functions specific to the stock Honda P72 used in: 94-95 OBD1 Integra GSR (1.8L B18C? DOHC Vtec) 96-00 OBD2 Integra GSR Picture of OBD1 P72 ...  
P72DebugMode 19 Feb 2004 - 22:01 - NEW TWiki Guest
Similar to P30DebugMode, enabling/disabling this option will enable/disable several other features. Here's the proof: LCB A, 0547eh ; 53A7 0 02 08 909D7E54 STB A, ...  
P73 23 Feb 2004 - 20:46 - NEW Home.blundar
P73 96-00 OBD2 Integra Type-R (JDM USDM) Scan (Thanks Katman!): http://pgmfi.org/resources/FAQ/scans/P73OBD2immobilizer.jpg scan  
P74 19 Feb 2004 - 22:01 - NEW TWiki Guest
P74/75 94-95 OBD1 Integra RS/LS/GS (1.8L B18B) Scan (Thanks Katman!): http://pgmfi.org/resources/FAQ/scans/P75OBD1top.jpg scan  
P75 19 Feb 2004 - 22:01 - NEW TWiki Guest
P75 96-00 OBD2 Integra LS/GS For OBD1 see P74 P74 .  
P76 19 Feb 2004 - 22:01 - NEW TWiki Guest
P76 94-95 OBD1 JDM Integra (sohc zc)  
P84 19 Feb 2004 - 22:01 - NEW TWiki Guest
P84 92-95 OBD1 JDM Civic ETi (VTEC-E auto)  
P91 16 Mar 2004 - 19:18 - NEW Home.blundar
P91 92-95 OBD1 JDM Civic Coupe (sohc vtec 1.6) How to identify: http://pgmfi.org/resources/FAQ/scans/P91identify.jpg Scan (Thanks Katman): http://pgmfi.org/resources ...  
PCB 19 Feb 2004 - 22:01 - NEW TWiki Guest
PCB stands for printed circuit boards. PCBs are the boards ECUs and computers in general use. They are made by printing a design onto a copper plated board and then ...  
PCF 13 Dec 2006 - 16:05 - NEW Home.lithiumus
37820-PCF-N51 CY-EH2955A  
PCN 13 Dec 2006 - 16:03 - NEW Home.lithiumus
37820-PCF-N51 CY-EH2955A  
PE7 19 Feb 2004 - 22:55 - r1.3 Home.blundar
the PE7 came on 85-87 EDM/USDM Civic/CRX Si (EW3/EW4 Vacuum advance) cars. Thanks to Mark Lamond for the scans. ATTACHURL /PE7-682-87 Civic Si.bin PE7-682-87 Civic ...  
PG7 30 Oct 2004 - 16:18 - r1.4 Home.TJ
PG7 : 86-87 Integra (D16A1 vacuum advance) PG7 : 88-89 Integra (D16A1 electronic advance) Note: The bastards at honda designated two very different ECUs with the ...  
PH3 30 Jan 2006 - 07:20 - NEW Home.carotman
THe 88-89 Accord OBD-0 B20A ECU uses an Electronic Advance distributor. It has an External 27c256 ROM and is oki 80c154 based This ECU is very similar to the PK2 ECU ...  
PJ0 29 Dec 2006 - 20:25 - r1.3 Home.carotman
The A20A 86-89 Accord/Prelude PJ0 ECU had many revisions in different countries. Some of them will lack an O2 sensor or EGR control. However, they all use a vacuum ...  
PJ1 19 Feb 2004 - 22:55 - r1.2 Home.blundar
PJ1 : 85-87 EDM Integra 1.6i-16, CRX MK1 1.6i-16 Thanks to Mark Lamond for the scans (EDM)  
PJ7 19 Feb 2004 - 22:01 - NEW TWiki Guest
PJ7 86-87 Prelude 2.0 Si (B20A3) (Vac advance?)  
PK2 18 Oct 2006 - 08:41 - r1.5 Home.chen
Prelude OBD-0 B20A ECU. Electronic Advance. External 27c256 ROM. oki 83c154 based pk-2 ecu photo.: I posted the Options Close-up for the PK2-6640 manual B20A ECU. ...  
PK3 19 Feb 2004 - 22:01 - NEW TWiki Guest
PK3 90-91 Prelude B20A (DOHC non-vtec) (electronic advance?)  
PL2 19 Feb 2004 - 22:55 - r1.2 Home.blundar
PL2 : 8?-88+ Acura/Rover V6 (C25/C27)  
PM5 08 Jul 2005 - 14:52 - r1.3 Home.1net
PM5 88-91 Civic base model/CRX DX (DPFI D15b) There were two distinct styles of this ECU. One features an 83C154 MCU, one features a 66201 MCU. Presumably 88-89 vs ...  
PM6 11 Apr 2005 - 22:08 - r1.3 Home.drdisco69
The PM6 came in 88-91 USDM D16A6 powered Civic and CRX Si. The PM6 is a major development platform. See the 8XC154 Dev Forum for current happenings. ATTACHURL /PM6 ...  
PM6Future 19 Feb 2004 - 22:01 - NEW TWiki Guest
The PM6 Future code module is available from the PGMFI SourceForge page. Currently, DaveBlundell, Michael (hackish) and Chris Donahue appear to be the most active ...  
PM7 25 Mar 2006 - 22:12 - r1.4 Home.Orion
The PM7 ECU was used (mainly) in 88-91 DOHC ZC motors in Europe and Japan. PM7 code is very similar to PM6 code, and the code from one ECU can be run on the other ...  
PM8 19 Feb 2004 - 22:55 - r1.2 Home.blundar
The PM8 came in the US on 88-91 CRX HF. These ECUs always lacked external ROMs, and they seem to be just a wee lil bit different than PM6 / PM7 in terms of hardware ...  
PM9 17 Jun 2004 - 04:28 - r1.4 Home.warrick
Essentially a PM5 The PM5 PM9 are essentially the same ECU. I think one may have been for the 4 speed and one the 5 speed, but I'm not sure. (blundar) The PM9 that ...  
PP5 12 Mar 2005 - 01:08 - r1.6 Home.crex
PP5 : 90-93 (??) UK Rover 216 Cabrio Rover (UK) had an agreement with honda where honda engines (ZC, most notably) ended up in Rover cars. They continued to use OBD0 ...  
PR3 29 Jan 2005 - 07:10 - r1.4 Home.noriega
PR3 89-93 JDM B16A EF8/9 MCU M66x301 58 and 93 Note: There are both OBD0 and OBD1 ECUs designated "PR3" and they are not in any shape or form compatible with each ...  
PR3AutoManual 24 Mar 2004 - 03:23 - r1.2 Home.sonictronic
Move R68 to R67... by center divider. Pictures are worth 1000 words:  
PR4 19 Feb 2004 - 22:55 - r1.3 Home.blundar
The PR4 came in two variants the OBD0PR4 and the OBD1PR4 .  
PR5 19 Feb 2004 - 22:55 - r1.2 Home.blundar
PR5 : 90-91 JDM Integra ZXi (1.6 sohc) This is the JDM equivalent of the USDM D16A6.  
PR7 13 Dec 2006 - 15:46 - NEW Home.lithiumus
PR7 91-94 OBD1 NSX  
PS9 19 Feb 2004 - 22:55 - r1.2 Home.blundar
PS9 : 90-91 USDM Civic EX (1.6L SOHC usually auto) The PS9 is identical to a PM6 with the addition of the circuitry to control an automatic tranny.  
PS9AutoManual 06 Jan 2006 - 03:43 - r1.3 Home.voodooboy520
Remove R62,R64,R66 right by the center divider to turn an auto ECU into a 5 spd. JDM ECUs also require the addition of BR3. This also applies to PG7, PM6 and PM7 ECUs ...  
PT3 25 Mar 2006 - 19:57 - r1.3 Home.acclude
PT3 90-93 OBD1 USDM Accord SOHC non-vtec F22A1 This ECU shares the shares the same PC board with the EDM PT5 Accord ECU (02D01190-1504) Scan: http://pgmfi.org/resources ...  
PT5 08 Feb 2006 - 06:23 - NEW Home.carotman
PT5 90-93 OBD1 EDM Accord SOHC non-vtec F20A7 This ECU shares the shares the same PC board with the PT3 Accord ECU (02D01190-1504)  
PW0 11 Mar 2004 - 10:33 - NEW Home.introspeed
PW0 89-91 JDM/Euro B16A EF8/9 DA6-XSi (DOHC VTEC) M66x301 scan of PW0-000 http://pgmfi.org/resources/FAQ/scans/PW0-000 component1.jpeg scan of PW0-000 http://pgmfi ...  
PW1 16 Apr 2006 - 02:16 - NEW Home.Orion
This is the ECU I have in my '93 Concerto with a D15b2.  
PWM 19 Feb 2004 - 22:01 - NEW TWiki Guest
see PulseWidthModulation  
PaSensor 19 Feb 2004 - 22:01 - NEW TWiki Guest
See PressureAtmosphere  
PageHistory 19 Feb 2004 - 22:01 - NEW TWiki Guest
 
PartsForECUs 14 Apr 2007 - 17:07 - r1.13 Home.thc07
Value Description Board Locations Used for Notes DigiKey # Digikey Price 22pf Cap Ceramic Disk C75 , C89 , C72 , C74 1330ph-nd 0.072 .1uf Cap Ceramic Disk C51 , C52 ...  
PeakAndHoldInjectors 19 Feb 2004 - 22:01 - NEW TWiki Guest
Peak And Hold Injectors aka LowImpedanceInjectors. Impedance typically ~2-5ohms. At 12volts, this is a draw of ~6-2.4 amps The high current will cause the injectors to ...  
PgmfiAdmin 19 Feb 2004 - 22:01 - NEW TWiki Guest
If you see a page edited by PgmfiAdmin, it was one of these punks: DaveJohnson DaveBlundell  
PgmfiD51 05 Mar 2004 - 19:46 - NEW Home.blundar
blundar modified a dasm he found, D51, to support the A5 instruction as is peculiar on the Oki 8XC154 MCUs. Blundar made linux binaries. Chris D make windows binaries ...  
PgsrcTranslation 19 Feb 2004 - 22:01 - NEW TWiki Guest
Note: This page is much more impressive on the PhpWikiAlpha:en/PgsrcTranslation alpha server where the page names actually link. Translated Page Name Matrix ''Plugin ...  
PhizHatesTehWiki 19 Feb 2004 - 22:01 - NEW TWiki Guest
I chose this name because the WikiNazi won't let me use PHiZ as a wiki word.  
PhpWiki 19 Feb 2004 - 22:01 - NEW TWiki Guest
You are using PhpWiki at this very moment. Incredible, ain't it? Visit our home page at http://phpwiki.sourceforge.net/ and see PhpWiki in action at http://phpwiki ...  
PhpWikiAdministration 19 Feb 2004 - 22:01 - NEW TWiki Guest
Note : Most of the actions on this page require administrative privileges. They won't work unless you have set an admin username and password in the PhpWiki config ...  
PhpWikiDocumentation 19 Feb 2004 - 22:01 - NEW TWiki Guest
Pages in this category:  
PiggyBack 07 Apr 2005 - 21:24 - NEW Home.blundar
A PiggyBack controller is a device that "piggybacks" on top of the ECU. Piggybacks intercept signals coming from the engine and alter them before they reach the ECU ...  
PocketProgrammer2 19 Feb 2004 - 22:01 - NEW TWiki Guest
The http://www.xtronics.com/memory/EPROM.htm Pocket Programmer 2 lists at $149.95 as of October 9, 2003. It has not fluctuated in price much. It supports a wide variety ...  
PopolVuh 19 Feb 2004 - 22:01 - NEW TWiki Guest
Describe PopolVuh here. My PGMFI.ORG ID is opagan aka Popola... ok, I'm the guy who send the Excel file that gave origin to this wonderful Wiki idea...  
PreIgnition 03 Mar 2005 - 21:43 - NEW Home.blundar
Pre Ignition is a bad thing. It is also frequently referred to as "knocking" because of the sound it makes at low intensities. It is also frequently called "detonation ...  
PreludeAccord 16 May 2005 - 14:26 - r1.2 Home.sloopy
OK, here is what I know about these ECUs. The PT6-A51 I have here has a 66911 MCU and uses an external 256k PROM. I got an ECU out of a 1994 Prelude SI with a 1.6 ...  
PressureAtmosphere 30 Mar 2006 - 13:07 - NEW Home.edurmus
the atmospheric pressure sensor, also called ''barometric pressure'' or ''PA'' sensor measures a much narrower range of pressure centered(??) around atmospheric pressure ...  
ProgStudio 26 Apr 2005 - 23:35 - NEW Home.Lakhbir
 
ProposedDataloggingProtocol 20 Feb 2004 - 00:37 - NEW Home.blundar
This is a working draft of a proposed protocol to replace the stock serial interrupt handler. It is intended to be cross platform (i.e. both OBD0MPFI ECUs and OBD1CivicIntegraECUs ...  
PulseWidthModulation 19 Feb 2004 - 22:01 - NEW TWiki Guest
Pulse Width Modulation is a method of DAC used often for solenoids, stepper motors and other output devices. there is a really good http://www.embedded.com/story/OEG20010821S0096 ...  
RAM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Random Access Memory Think of it as the brain's short term memory store. Used to store variables and other data being actively used. Erased when power lost.  
RM11 26 Jul 2005 - 18:05 - NEW Home.hackish
Author: Deluded Date: 04-04-03 01:19 RM11 CAN be replaced with 3 resistors: From pin 1 to 2...10k ohm (digikey# 10kebk-nd (200 for US$4.70)) 2 to 3...51K (51kebk-nd ...  
ROM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Read Only Memory information more-or-less carved in stone  
ROMEditor 19 Feb 2004 - 22:01 - NEW TWiki Guest
ROM Editors are programs used to manipulate the contents of a ROM in a less abstract manner than editing raw hex values.  
RPM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Revolutions Per Minute means how many times the engine spins in a minute. Taken off the CKP (CrankShaftPositionSensor) 2 pulses per 1 revolution. http://www.pgmfi.org ...  
RS232 19 Feb 2004 - 22:01 - NEW TWiki Guest
RS232 signalling is a serial communication protocol that uses 12/-12v signalling. It is commonly found on PC serial ports.  
RTFM 19 Feb 2004 - 22:01 - NEW TWiki Guest
RTFM is a acronym for "Read The Fucking Manual". If you are told this... you should probbabally do some searching around http://wiki.pgmfi.org WIKI and the http:/ ...  
RTP 19 Feb 2004 - 22:01 - NEW TWiki Guest
Real Time Programmability The ability to change the program/tuning of an ECU while the ECU is running the motor. Currently, only the http://www.zdyne.com Zdyne SECU ...  
RTPProject 19 Feb 2004 - 22:01 - NEW TWiki Guest
blah blah, describe this later. http://www.pgmfi.org/phorum/read.php?f 5 i 3968 t 3968 messageboard link . Here's an incomplete part ordering list so far. Parts list ...  
RandomPage 19 Feb 2004 - 22:01 - NEW TWiki Guest
The amount of random pages is a number from 1 to 20.  
RatShack 19 Feb 2004 - 22:01 - NEW TWiki Guest
Radio Shack is no longer a good place to go for electronics parts unless you are hurting or your local radio shack is something very special. Try a different ElectronicPartSupplier ...  
RealTimeProgramability 19 Feb 2004 - 22:01 - NEW TWiki Guest
A system where the EPROM of the ECU is replaced with a custom system that is programable in real-time. This allows you to make changes to the code while the engine ...  
RealTimeProgrammableBoards 23 Feb 2004 - 21:07 - NEW Home.blundar
Boards that allow RealTimeProgramming Hardware that works EasyRtpV1.0 Easy-RTP v1.0 Dave's single sided adaptation of Doc's original DS1230Y based design  
RealTimeProgramming 26 May 2004 - 18:52 - r1.6 Home.hackish
Used for tuning your ecu and making changes to it on the fly. Hardware EasyRtpV1.0 Easy-RTP v1.0 Dave's single sided adaptation of Doc's original DS1230Y based design ...  
RecentChanges 19 Feb 2004 - 22:01 - NEW TWiki Guest
Here's a list of recently changed pages on this wiki. (See RecentEdits for all recent minor edits and changes).  
RecentEdits 19 Feb 2004 - 22:01 - NEW TWiki Guest
Here's a list of recently edited pages on this wiki. All minor changes are shown, not just the most recent ones. (See RecentChanges for the most recent non-minor changes ...  
RecentVisitors 19 Feb 2004 - 22:01 - NEW TWiki Guest
Sign and date your name below! Arno Hollosi, Aredridel Stauck, Jeff Dairiki, Steve Wainstead, the PhpWiki authors.  
RedLoctite 19 Feb 2004 - 22:01 - NEW TWiki Guest
Red Loc-Tite is like a wife... your stuck with her and to get rid of her, it's gonna cost you a bundle. Unlike BlueLoctite. You put Red Loc-Tite on a bolt that is ...  
RelativePressure 05 Mar 2004 - 19:33 - NEW Home.blundar
Relative Pressure is when you disregard that we are at all times surrounded by atmospheric pressure (approximatley 14.5psi). Therefore if a container is said to contain ...  
ReleaseNotes 19 Feb 2004 - 22:01 - NEW TWiki Guest
Jeffs Hacks. New database API. See lib/WikiDB.php and lib/WikiDB/backend.php for the bulk of the documentation on this. The new database can save multiple archived ...  
RemoveAKnockSensor 21 Sep 2006 - 13:46 - r1.4 Home.carotman
Removing the knock detection is simple: Resolder R118 and R119 into R142, 143. Then, Remove R101 (optional). Finally, remove the knock board itself. no knock.jpg: ...  
ReplaceM5128 27 Feb 2004 - 17:59 - NEW Home.synoptic
This page explain how to replace the current 5128XRAM 2K SRAM chip by a DS1220 NVSRAM for future RTP solution. TOC Brief Explanation The M5128 chip is used to store ...  
ResistorBox 19 Feb 2004 - 22:01 - NEW TWiki Guest
Instructions on how to wire up a ResistorBox to run PeakAndHoldInjectors.  
RevLimiter 19 Feb 2004 - 22:01 - NEW TWiki Guest
A rev limiter limits how fast a motor can spin. Most honda ECUs implement a FuelCut RevLimiter.  
RevolutionsPerMinute 19 Feb 2004 - 22:01 - NEW TWiki Guest
RevolutionsPerMinute means how many times the engine spins in a minute.  
RomBurner 29 Mar 2004 - 21:23 - NEW Home.blundar
A ROM Burner is a device that programs ROM , EPROM , EEPROM , FLASH chips. There are several ROM burners that are worth mentioning for the DIY enthusiast. It does ...  
RomEditor 20 Feb 2004 - 00:37 - NEW Home.blundar
PGMFI.ORG-made Software software written by forum members to help with ECU tasks ASM662 AndySloane's open source Oki NX8/200 code 66K assember/disassembler suite ...  
RomEmulator 19 Feb 2004 - 22:01 - NEW TWiki Guest
ROM Emulators "look" like a ROM to whatever you connect them to. In most cases here, that would normally be an ECU. The most important feature of a RomEmulator compared ...  
RomMaps 12 Apr 2004 - 02:07 - r1.6 Home.SYnoptic
Rom Maps An area to collaborate on all the memory addresses found in ROMs TOC OBD1 Civic and Integra ECUs OBD1CivicIntegraECUs share a lot of features Memory Locations ...  
Rover 05 Mar 2004 - 18:20 - NEW Home.blundar
Rover is a British car manufacturer that has bought many motors from Honda. The ZC was used in many of the Rover Cabrios, and the Acura V6 found in the Legend showed ...  
RtpTruthTable 19 Feb 2004 - 22:01 - NEW TWiki Guest
Peusdotruth table for RTP logic compatible with both OBD0 and OBD1 hardware: (/PSEN) (OBD1) (DS1230AB) A15 /WR /OE /CS /IOWE /WE /OE /CE 0 a b c a 1 b c 1 a X X 1 ...  
SOHC 19 Feb 2004 - 22:01 - NEW TWiki Guest
Single ~OverHead Cam motors have a single CamShaft that opens both IntakeValves and ExhaustValves. Most "D" series motors are SOHC. See also: DOHC  
SRAM 19 Feb 2004 - 22:01 - NEW TWiki Guest
Static RAM SRAM is quite fast, does not require a refresh cycle and will retain information as long as it has power.  
SandBox 29 Oct 2004 - 02:59 - NEW Home.markolson
File:http://www.nitroburn.com/pgmfiwiki/uploads/myfile.bin Adding a URL to http://www.elexol.com Elexol here. Also making a new page UsbToSerialConverterSecondGen ...  
SaturatedInjectors 19 Feb 2004 - 22:01 - NEW TWiki Guest
Saturated Injectors aka HighImpedanceInjectors Impedance typically 12-16ohms. At 12volts, this is a draw of ~1-.75 amps. The low current helps keep the injectors cool ...  
SecondGenUsbToSerialConverter 13 Feb 2005 - 07:53 - r1.6 Home.markolson
A company named http://www.elexol.com Elexol makes a second generation serial-to-USB port adapter called the http://info.hobbyengineering.com/specs/USBMOD3.pdf USBMOD3 ...  
SerialAdapter 22 Jun 2004 - 02:12 - r1.2 Home.phiz
All Honda ECUs use 5v TTL signaling for serial communication . In order to connect to an ECU, if the hardware used for DataLogging doesn't support this, you must use ...  
SerialCommunication 27 May 2005 - 12:39 - NEW Home.hondainfo
Serial communication Serial communication is a popular means of transmitting data between a computer and a peripheral device such as a programmable instrument or ...  
ServiceManual 19 Feb 2004 - 22:01 - NEW TWiki Guest
HelmsManual  
SignIn 19 Feb 2004 - 22:01 - NEW TWiki Guest
Sign In is the WikiWord that you used to sign in as.  
Sim 28 Jan 2007 - 12:26 - r1.3 Home.b16a2
This is a Engine Simulator I build to help me out with hardware Development. Its basicly built into a rack mount computer case and uses a ATX 350W power supply. http ...  
SolderingIron 19 Feb 2004 - 22:01 - NEW TWiki Guest
Soldering Irons come in all shapes and sizes. Some basic guidelines: Generally, a grounded iron (3-prong) will work better than an ungrounded one. You don't need a ...  
SourceForge 19 Feb 2004 - 22:01 - NEW TWiki Guest
Source Forge Open Source community for everything Currently being used for ASM662 , AndySloane 's P30 ROM development, the PM6Future codebase, 1WireVtec codebase, CromeROMEditor ...  
SparkAdvance 19 Feb 2004 - 22:01 - NEW TWiki Guest
Spark Advance refers to how many degrees of angular rotation happen between when the spark is set off and the motor reaches TDC  
SparkCut 19 Feb 2004 - 22:01 - NEW TWiki Guest
A spark cut is when fuel continues to be supplied to the motor but no sparks are triggered to ignite the fuel. This is a good way to shoot flames out of the back of ...  
SparkPlug 19 Feb 2004 - 22:01 - NEW TWiki Guest
Spark plugs receive electrical energy from the IgnitionCoil and discharge it into the compressed air-fuel mixture in the CombustionChamber.  
SpeedDensity 26 May 2004 - 17:39 - NEW Home.blundar
What is a SpeedDensity engine managment scheme? SpeedDensity systems calculate the amount of air entering a motor using sensors that monitor engine operating conditions ...  
SpeedLimiter 01 Jun 2005 - 20:37 - NEW Home.hondainfo
A speed limiter limits the top speed of a car. In almost all hondas, a SpeedLimiter will be implemented as a piece of code that reads the VehicleSpeedSensor and cuts ...  
SquareBrackets 27 Jan 2007 - 14:00 - NEW Home.b16a2
I broke it please fix this page  
SteveWainstead 19 Feb 2004 - 22:01 - NEW TWiki Guest
Hi. I started building this WikiWikiWeb but many others help me now. I'm at http://wcsb.org/~swain/. Please report bugs to phpwiki-talk@lists.sourceforge.net  
SuperChips 19 Feb 2004 - 22:01 - NEW TWiki Guest
Super Chips is a company that do chiptuning for all kinds of auto brands.  
SuperProZ 19 Feb 2004 - 22:01 - NEW TWiki Guest
The http://www.xeltek.com Xeltek http://www.xeltek.com/product/programmer/spz.html SuperProZ retails for $249. It is still a parallel interface programmer like most ...  
TDC 19 Feb 2004 - 22:01 - NEW TWiki Guest
Top Dead Center is when a piston is at the topmost point it reaches during the combustion cycle.  
TTL 19 Feb 2004 - 22:01 - NEW TWiki Guest
Transistor Transistor Logic uses 0/+5v signalling levels. It is commonly used by MCU s for native serial communication .  
TechTom 30 Apr 2005 - 20:29 - NEW Home.Lakhbir
 
TestPage 19 Feb 2004 - 22:01 - NEW TWiki Guest
New lists: asterisks, hash marks, and ";text:def" bullet l1 l2 l2 l3 # one #two #three ;Term1:definition1.1 ;: defintion1.2 ;Term2 :defintion2 ;; Term3:defintion3 ...  
TextFormattingRules 19 Feb 2004 - 22:01 - NEW TWiki Guest
Synopsis TextFormattingRules Emphasis: ' ' for ''italics'', '''' for bold , ' ' '''' for '' both '' Lists: for bullet lists, # for numbered lists, "; term : definition ...  
ThrottleBody 19 Feb 2004 - 22:01 - NEW TWiki Guest
The throttle body is the housing that contains the ThrottlePlate, IdleAirControlValve, and MapSensor. The throttle cable is also connected to this. The throttle body ...  
ThrottlePlate 19 Feb 2004 - 22:01 - NEW TWiki Guest
The throttle plate is a plate inside the ThrottleBody that opens and closes as the accelerator is pressed or released. This allows air to enter and exit the motor ...  
ThrottlePositionSensorAdjustment 04 Mar 2004 - 00:45 - NEW Home.blundar
Adjusting the Throttle Position Sensor It is very simple to adjust the output of your throttle position sensor. Follow the steps below: 1. Use a dremel, and notch ...  
TitleSearch 19 Feb 2004 - 22:01 - NEW TWiki Guest
Search Again:  
TopDeadCenterSensor 16 Oct 2006 - 07:33 - r1.2 Home.edurmus
This sensor is inside the distributor. 1991 crx it inside the distributor, 4 teeth magnetic sensor. it produce 4 pulse per 1 canshaft revolution.  
TpsSensor 05 Mar 2004 - 20:03 - r1.2 Home.blundar
The TPS or Throttle Position Sensor determines the angle of the ThrottlePlate in the ThrottleBody and depending on other info from the MapSensor, OxygenSensor, and ...  
TroubleshootingSolidCEL 27 Dec 2004 - 18:16 - r1.2 Home.markolson
Solid CELs are arguably one of the easier problems to troubleshoot because there are relatively few things that cause them to happen. A "solid" CEL occurs when there ...  
TuningConcepts 19 Feb 2004 - 22:01 - NEW TWiki Guest
ExhaustGasTempSensor WideBandO2 DataLogging RealTimeProgramability AirFuelRatio InjectorSizing  
TuningForSmog 19 Feb 2005 - 22:08 - NEW Home.markolson
How to tune to pass a smog test The situation: We are trying to get our 88CRX B16A swap past the CA smog ref, so tuning for smog is exactly what we are trying to ...  
TuningTiming 10 Apr 2006 - 12:01 - r1.2 Home.edurmus
Tuning ignition timing is not a simple topic. Lots of factors change optimal ignition timing chemistry stuff, mechanical stuff, etc. etc. A true understanding of ...  
Turbo 19 Feb 2004 - 22:01 - NEW TWiki Guest
A turbocharger by definition is a centrifugal compressor which boosts the intake pressure of an internal-combustion engine, driven by an exhaust-gas turbine fitted ...  
TurboCompressorMap 19 Feb 2004 - 22:01 - NEW TWiki Guest
Some common turbo compressor maps are here: http://not2fast.wryday.com/turbo/maps/ Reading turbo compressor maps is pretty simple, and is something that anyone who ...  
TurboEdit 14 Jun 2005 - 09:05 - r1.4 Home.4thgen91efhatch
Turbo Edit is JasonParker 's OBD0MPFI ROMEditor . It seems to be picking up where GhettoDyne left off. See http://www.TurboEDIT.org/ or the http://forum.pgmfi.org/viewforum ...  
UPD7004C 27 Jun 2005 - 10:08 - r1.7 Home.1net
The NEC UPD7004C is an ADC chip found in OBD0MPFI ECUs. Documentation on it was very hard to find. :) We looked and googled for months, and then finally I emailed ...  
USDM 19 Feb 2004 - 22:01 - NEW TWiki Guest
United States Domestic Market cars destined/made for the United States. Compare to: EDM , JDM Note: USDM OBD1CivicIntegra ECU s generally are the most feature-filled ...  
UV-Erase 19 Feb 2004 - 22:01 - NEW TWiki Guest
many chips have a clear glass window in the top of them. If you expose them to short UV (i.e. the kind that causes instant cancer) from a sterlizer lamp or UV-eraser ...  
UberData 19 Feb 2004 - 22:01 - NEW TWiki Guest
see UberDataERM  
UberDataERM 11 Apr 2005 - 22:52 - NEW Home.drdisco69
UberData and ERM are two editors written by Vertigo. They were the first public editors to support boost. You can contact blake directly for more information on them ...  
UberDataFAQ 19 Feb 2004 - 22:01 - NEW TWiki Guest
Uberdata FAQ Stupid newbie tard Uberdata FAQ Author: Blake Warner Email: uberteg@cox.net, vertigo118@cox.net Notes: Remember to donate if you use and enjoy this software ...  
UberP72 17 Feb 2004 - 09:24 - NEW Home.tungsten2k
UberP72 is a any P72 based ROM that has been modified to be used with UberDataERM . Please add only addresses that are specific to this implementation! All standard ...  
UnderstandingMaps 21 Nov 2005 - 19:26 - r1.2 Home.ben ogle
Understanding Fuel and Ignition Maps. Fuel Maps Below around 80 throttle, the ECU uses the oxygen sensor in conjunction with the fuel tables to calculate how much ...  
UsbToSerialConverterSecondGen 22 Nov 2004 - 23:01 - r1.2 Home.blundar
A company named http://www.elexol.com Elexol makes a second generation serial-to-USB port adapter called the http://www.ravar.net/download/USBMOD3.PDF USBMOD3 . Many ...  
UserPreferences 19 Feb 2004 - 22:01 - NEW TWiki Guest
You can now set some user preferences. The values of these preferences are currently stored in a cookie (so you must have cookies enabled to use this feature.)  
VSS 19 Feb 2004 - 22:01 - NEW TWiki Guest
See VehicleSpeedSensor  
VacuumAdvance 20 Feb 2004 - 00:23 - NEW Home.blundar
Vaccuum Advance is a purely mechanical method for varying the amount of SparkAdvance based on engine load. A vac-advance distributor is connected to a source of engine ...  
VehicleSpeedSensor 27 Sep 2005 - 10:22 - r1.2 Fast Hatch?
The Vehicle Speed Sensor ( VSS ) tells the ECU how fast the car is moving. In most hondas, it pulses to ground 4 times per revolution of the axles. Most OBD0 cars ...  
ViseGrip 19 Feb 2004 - 22:01 - NEW TWiki Guest
and indespensible tool :)  
VolumetricEfficiency 26 May 2004 - 18:07 - r1.2 Home.blundar
Volumetric Efficiency (VE) is a comparison of the real world volume of air/fuel mixture drawn in and the actual volume of the cylinder if it were completely filled ...  
Vtec 19 Feb 2004 - 22:01 - NEW TWiki Guest
Vtec is honda's patented system for variable CamProfile s. It effectively gives an engine two independent cam profiles. The idea is that the LowCam has conditions ...  
VtecCrossoverPoint 19 Feb 2004 - 22:01 - NEW TWiki Guest
In a Vtec motor, the VtecCrossoverPoint is the RPM at which the VtecSolenoid is activated in order to switch from the LowCam to the HighCam.  
VtecSolenoid 29 Sep 2004 - 21:45 - r1.2 Home.Bulter
The Vtec solenoid is a solenoid that is controlled by the ECU. When a 12v signal is applied to it, it opens allowing oil pressure to switch from the LowCam to the ...  
WOT 19 Feb 2004 - 22:01 - NEW TWiki Guest
Wide Open Throttle "pedal to the metal" :)  
WabiSabi 19 Feb 2004 - 22:01 - NEW TWiki Guest
Since wabi-sabi represents a comprehensive Japanese world view or aesthetic system, it is difficult to explain precisely in western terms. According to Leonard Koren ...  
WarningAboutAddingAKnockSensor 26 Jan 2006 - 05:12 - NEW Home.synoptic
The knock sensor frequency, and thus, its operation, is affected by the bore of the cylinder. From what I can tell, each ECU's knock board is also dialed in to specific ...  
WasteGate 19 Feb 2004 - 22:01 - NEW TWiki Guest
A Wastegate is a device that lets exhaust gas escape bypassing a turbocharger. Because turbochargers create boost using energy from exhaust gas, the wastegate can ...  
WebChanges 16 Aug 2001 - 19:56 - r1.2 Peter Thoeny?
INCLUDE{" TWIKIWEB .WebChanges"}  
WebGeek 04 Jul 2004 - 18:39 - NEW Web Geek
Added link to Rom Library Added link to 29C256 Chip as the first choice chip  
WebHome 30 Mar 2007 - 22:03 - r1.26 Home.racingsky
Welcome to the PGMFI Library! If at any time you wish to return to this main wiki page, click the Project PGMFI logo. THIS IS A NEW WIKI ENGINE. PLEASE SEND EMAILS ...  
WebIndex 24 Nov 2001 - 11:39 - r1.2 Peter Thoeny?
SEARCH{"\. " scope "topic" regex "on" nosearch "on"} See also the faster WebTopicList  
WebPreferences 17 Feb 2004 - 22:22 - NEW Home.blundar
TWiki.Library Web Preferences The following settings are web preferences of the TWiki.Library web. These preferences overwrite the site-level preferences in TWIKIWEB ...  
WebSearch 08 Jun 2006 - 15:08 - NEW Home.edurmus
INCLUDE{ IMA Sensor" TWIKIWEB .WebSearch"}  
WebStatistics 01 Nov 2007 - 03:49 - r1.260 TWiki Guest
Statistics for Library Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads: Nov 2007 1121 0 0 ...  
WebTopicList 24 Nov 2001 - 11:39 - NEW Peter Thoeny?
TOPICLIST{" $name "} See also the verbose WebIndex.  
WhatYouNeed 11 Apr 2005 - 22:19 - r1.6 Home.drdisco69
"Chipping" an ECU means replacing the program running the ECU . Chipping is just slang. What we actually do is program (or "burn") a new bin file to the ROM to replace ...  
WhyDoPiggybacksSuck 07 Apr 2005 - 21:22 - NEW Home.blundar
I got tired of typing this repeatedly on discussion boards, so I decided to add it here. If you don't know what a PiggyBack controller is, read about it first. PiggyBack ...  
WiKi 27 Sep 2005 - 03:11 - NEW Home.Kitoys
obd0  
WideBandO2 17 Feb 2006 - 19:56 - r1.6 Home.kabuki
What is a Wideband O2 sensor It is an OxygenSensor that gives stable output over a much larger range than standard 1-wire or 4-wire oxygen sensors. It is helpful ...  
Wiki 19 Feb 2004 - 22:01 - NEW TWiki Guest
What is a WikiWikiWeb? A description of this application. Learn HowToUseWiki and learn about AddingPages. Use the SandBox page to experiment with Wiki pages. Please ...  
WikiPlugin 19 Feb 2004 - 22:01 - NEW TWiki Guest
The latest hacks include support for !WikiPlugins. WikiPlugins allow one to easily add new types of dynamic content (as well as other functionality) to wiki pages ...  
WikiWikiWeb 19 Feb 2004 - 22:01 - NEW TWiki Guest
A WikiWikiWeb is a site where everyone can collaborate on the content. The most well-known and widely used Wiki is the Portland Pattern Repository at http://c2.com ...  
WikiWord 19 Feb 2004 - 22:01 - NEW TWiki Guest
A WikiWord consists of two or more words with initial capitals, run together. When you type a WikiWord, you establish a hyperlink. It's as easy as that. Wiki Words ...  
Willem 24 Nov 2005 - 00:08 - r1.4 Home.4g vtec
The http://www.willem.org Willem programmer is essentially an open design / open source ROM burner. It is far from a polished design the software was very buggy and ...  
WinHex 12 Jul 2004 - 14:09 - NEW Home.synoptic
WinHex is a very cood hexadeciaml editor for Windows. It can calulate checksum, and many other usefull things. You can download it here : http://www.x-ways.net/winhex ...  
WireHarness 12 Apr 2006 - 06:13 - r1.3 Home.Ace0246
A WireHarness is a term for the connetors and wires that are connected to the ECU. OBD0 , OBD1 and OBD2 all have different connectors and there are different wire ...  
XE5 19 Feb 2004 - 22:55 - r1.2 Home.blundar
88-91 (dates questionable?) Mugen Race platform (ZC) The XE5 code is derived from the PM7- specifically, the PM7-0330 that lacks an O2 sensor. It is a "race only" ...  
XdEep 19 Feb 2004 - 22:01 - NEW TWiki Guest
I'm XDEep. http://www.g2ic.com/forums xdeep0@yahoo.com  
ZIF 10 Mar 2004 - 21:24 - NEW Home.blundar
ZIF stands for Zero Insertion Force. ZIF sockets are commonly used in ECU s where the EEPROM will be removed and reinserted frequently. "ZIFing an ECU" is when you ...  
_EA 19 Feb 2004 - 22:01 - NEW TWiki Guest
EA (EA Prime) is a pin on the MCU that controls whether the MCU runs off Internal ROM or an external ROM chip. EA is pin 31 on 40-pin Intel8051 MCU s OBD1J1 J1 on ...  
check8 19 Feb 2004 - 22:01 - NEW TWiki Guest
check8 is a 8bit checksum utility. you can get it from http://www.keil.com  
dual%20runner%20manifold 19 Feb 2004 - 22:01 - NEW TWiki Guest
Dual runner manifolds have two seperate passages that air can flow from the throttle body to the head. The two passageways are two different lengths to help maximize ...  
latches 19 Feb 2004 - 22:01 - NEW TWiki Guest
A logic gate that preserves the state of IO lines  
octal 19 Feb 2004 - 22:01 - NEW TWiki Guest
octal 8 bit or base 8  
sectors 19 Feb 2004 - 22:01 - NEW TWiki Guest
A sector is a block of data. It can vary in size.  
serial%20communication 19 Feb 2004 - 22:01 - NEW TWiki Guest
serial communication refers to the transfer of information one bit at a time. It is commonly used for MCU s to communicate with PCs. RS232 is the standard used on ...  
uncorked 19 Feb 2004 - 22:01 - NEW TWiki Guest
The stock code divides the MapSensor reading by two. This caps the maximum pressure the ECU can respond to by half the maximum of what the MapSensor is capable of ...  

Number of topics: 523

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