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Search: Honda[^A-Za-z]
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Topics in Library web:
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Changed: now 09:48 GMT
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Changed by:
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02D01720-1500
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14 Mar 2007 - 05:11 - r1.5
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Home.defensio
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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 ...
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27C256
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29 Apr 2004 - 02:54 - r1.2
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Home.rschoener
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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 ...
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515XHighSideSwitch
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28 Dec 2005 - 06:52 - r1.7
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Home.4g vtec
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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 ...
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82C55
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01 Aug 2005 - 14:37 - r1.3
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Home.blundar
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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 ...
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A5
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05 Mar 2004 - 19:37 - NEW
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Home.blundar
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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 ...
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AccordAutoOBD2-OBD1
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13 Oct 2005 - 22:25 - r1.4
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Home.drdisco69
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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 ...
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Acura
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21 Feb 2004 - 20:10 - NEW
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Home.sideout
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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 ...
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BasicConcepts
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19 Jan 2006 - 07:34 - r1.3
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Home.markolson
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Vocab: ECU Engine Control Unit OBD0 the first unofficial generation of honda engine electronics OBD1 the second unofficial generation of honda engine electronics ...
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BegginersFAQ
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27 Feb 2007 - 18:13 - r1.2
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Home.sanimalp
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(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 ...
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CheckSum
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12 Jul 2004 - 14:08 - r1.3
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Home.synoptic
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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 ...
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ChipsForECUs
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29 Mar 2004 - 21:20 - r1.2
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Home.blundar
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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 ...
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DLC
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27 May 2005 - 13:15 - NEW
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Home.hondainfo
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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 ...
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DLCCommunication
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29 May 2006 - 14:12 - r1.6
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Home.hondainfo
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DLC Communication UNDER CONSTRUCTION BY HONDAINFO 1. Physical Layer (Theoretical informations based on ISO 9141 CARB Road Vehicles Diagnostic Systems standard) Signal ...
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DesolderingIron
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29 Mar 2004 - 21:32 - NEW
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Home.blundar
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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 ...
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DualRoms
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03 Oct 2005 - 14:07 - NEW
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Home.1net
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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 ...
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ECU-CodeCompatibility
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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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 ...
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ECUHardware
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06 Feb 2007 - 01:40 - r1.4
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Jared Karagen?
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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 ...
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EPROM
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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EcuBackupProcessor
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18 Nov 2004 - 17:30 - NEW
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Home.blundar
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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 ...
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EcuDefinitionCodes
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02 Apr 2007 - 17:06 - r1.84
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Home.hackish
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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 ...
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EcuFamilies
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29 Jan 2007 - 15:49 - r1.23
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Home.1net
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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 ...
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EcuSensors
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14 Apr 2006 - 13:08 - r1.4
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Home.edurmus
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Sensors present on almost all honda motors: CrankshaftPositionSensor Determines timing for fuel injection and ignition of each cylinder and also detects engine speed ...
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EcuTroubleCodes
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23 May 2006 - 16:01 - r1.3
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Home.Nuno Euro VTi?
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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 ...
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EngineCoolantTemperature
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05 Mar 2004 - 19:46 - NEW
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Home.blundar
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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 ...
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FuelPressure
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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You can increase the amount of fuel delivered by increasing your static FuelPressure. High FuelPressure may however slow the injector from opening, sacrificing crisp ...
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HelmsManual
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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:/ ...
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HonData
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Hondata are the current (nov 03) commercial leaders in stock Honda ECU development and reprogramming. They certainly have excellent, tried, proven tools for tuning ...
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Honda
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05 Mar 2004 - 18:19 - NEW
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Home.blundar
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Thank goodness for Honda Motor Company, otherwise we all would be without a hobby.
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HondaErrorCodes
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18 Nov 2004 - 21:11 - NEW
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Home.blundar
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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 ...
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IdleAirControlValve
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05 Mar 2004 - 20:08 - NEW
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Home.blundar
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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 ...
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InjectorSizing
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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IntakeAirTemperatureSensor
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05 Mar 2004 - 19:46 - r1.2
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Home.blundar
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IntakeAirTemperatureSensor The intake air temperature sensor reads the temperature of air flowing into the motor. graph of resistance / temperature for stock IAT ...
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IntroductionToECUChipping
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12 May 2006 - 09:00 - r1.10
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Home.hondainfo
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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 ...
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KnockBoard
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12 Apr 2004 - 04:07 - NEW
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Home.tekphobia
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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 ...
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KnockReplacement
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23 Feb 2004 - 21:09 - NEW
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Home.blundar
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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 ...
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KnockSensor
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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KnockSensorVoltages
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17 Apr 2004 - 02:03 - NEW
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Home.calvin
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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 ...
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KurtsOBD0-OBD1
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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MCU
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30 Jul 2004 - 19:19 - NEW
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Lego Z81
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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:/ ...
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MapSensor
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13 Sep 2006 - 16:33 - r1.4
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Turbo EF9?
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The Manifold Absolute Pressure Sensor (MapSensor) tells the ECU what the absolute pressure in the intake manifold is (relative to AbsoluteVacuum). This allows the ...
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MapSensorEquation
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04 Mar 2005 - 22:43 - r1.2
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Home.markolson
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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 ...
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MassAirFlow
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26 May 2004 - 17:42 - NEW
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Home.blundar
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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 ...
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O2InputMod
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05 Jun 2006 - 17:48 - r1.3
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Home.almskidd
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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 ...
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OBD
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31 Mar 2007 - 03:45 - r1.2
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Home.racingsky
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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 ...
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OBD0MPFI
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30 Jan 2006 - 07:24 - r1.5
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Home.carotman
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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 ...
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OBD1
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13 Dec 2006 - 15:40 - r1.5
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Home.lithiumus
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" 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 ...
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OBD1CN2
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31 Oct 2005 - 01:53 - r1.7
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Home.fred
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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 ...
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OBD1_8bitMBar
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21 May 2005 - 03:50 - NEW
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Home.bigwig
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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 ...
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OBD2
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13 Dec 2006 - 16:03 - r1.4
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Home.lithiumus
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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 ...
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Oki6260A
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02 Mar 2005 - 13:31 - r1.5
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Home.l3st4rd
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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 ...
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OxygenSensor
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05 Mar 2004 - 20:05 - NEW
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Home.blundar
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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 ...
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P13
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19 Sep 2006 - 17:13 - r1.15
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Home.carotman
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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 ...
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P30
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23 Mar 2007 - 11:36 - r1.27
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Home.johncui
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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 ...
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P5M
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27 May 2005 - 11:55 - NEW
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Home.hondainfo
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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 ...
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P72
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02 Apr 2006 - 02:18 - r1.18
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Home.91crxsi
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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 ...
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PG7
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30 Oct 2004 - 16:18 - r1.4
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Home.TJ
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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 ...
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PP5
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12 Mar 2005 - 01:08 - r1.6
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Home.crex
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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 ...
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RomMaps
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12 Apr 2004 - 02:07 - r1.6
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Home.SYnoptic
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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 ...
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Rover
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05 Mar 2004 - 18:20 - NEW
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Home.blundar
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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 ...
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SecondGenUsbToSerialConverter
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13 Feb 2005 - 07:53 - r1.6
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Home.markolson
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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 ...
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SerialAdapter
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22 Jun 2004 - 02:12 - r1.2
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Home.phiz
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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 ...
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SpeedDensity
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26 May 2004 - 17:39 - NEW
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Home.blundar
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What is a SpeedDensity engine managment scheme? SpeedDensity systems calculate the amount of air entering a motor using sensors that monitor engine operating conditions ...
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TpsSensor
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05 Mar 2004 - 20:03 - r1.2
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Home.blundar
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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 ...
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UberDataFAQ
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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UnderstandingMaps
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21 Nov 2005 - 19:26 - r1.2
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Home.ben ogle
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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 ...
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Vtec
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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WebHome
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30 Mar 2007 - 22:03 - r1.26
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Home.racingsky
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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 ...
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WebStatistics
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07 Nov 2007 - 15:33 - r1.261
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TWiki Guest
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Statistics for Library Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads: Nov 2007 19044 0 ...
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WideBandO2
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17 Feb 2006 - 19:56 - r1.6
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Home.kabuki
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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 ...
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Number of topics: 76
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