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Search: OBD1[^A-Za-z]
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Topics in Library web:
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Changed: now 16:29 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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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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66kResources
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23 Sep 2005 - 19:23 - r1.2
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Home.blundar
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Documentation 66kAssemblerDocs factory documentation on the Oki 66xxx processors used in most OBD1 and OBD2 implemenations 66kOperations a list of the common 66xxx ...
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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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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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AddIABToP28
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29 Jul 2006 - 05:20 - r1.9
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Home.M2Prelude
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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 ...
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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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CEL
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22 Dec 2005 - 08:58 - r1.3
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Home.qwertyville
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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 ...
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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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ChippingOBD2
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31 Mar 2004 - 19:00 - NEW
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Home.blundar
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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 ...
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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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Conversion
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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CromeScript
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31 Mar 2007 - 03:08 - r1.3
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Home.racingsky
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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 ...
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D16Z6-4G-swapnotes
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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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: ...
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DataLogging
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24 Oct 2005 - 06:02 - r1.14
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Home.markolson
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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 ...
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DebuggingDataLogging
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03 Jan 2005 - 05:58 - r1.4
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Home.markolson
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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 ...
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DocECUSchool
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05 Mar 2004 - 17:40 - NEW
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Home.blundar
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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 ...
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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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ECUHardwareMods
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23 Feb 2006 - 07:38 - r1.12
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Home.sonictronic
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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 ...
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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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EasyRtpInstall
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30 Jul 2004 - 16:01 - r1.4
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Lego Z81
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Please Note: These installation instructions are preliminary. Please double check the instructions and report any errors. Once you've completed the construction of ...
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EasyRtpV10
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22 Dec 2004 - 20:36 - r1.10
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Home.synoptic
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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 ...
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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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EcuConnections
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01 Nov 2006 - 18:43 - r1.4
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Home.almskidd
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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 ...
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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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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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HowDoesDataLoggingWork
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24 Oct 2005 - 06:50 - NEW
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Home.markolson
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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 ...
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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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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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LabelDecode
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19 Sep 2004 - 19:21 - r1.3
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Home.blundar
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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 ...
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ManualChecksum
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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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 ...
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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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NicoAnalyze
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18 Jul 2005 - 02:10 - r1.2
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Home.roy
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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 ...
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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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OBD1CivicIntegraECUs
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21 Feb 2006 - 08:00 - NEW
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Home.dj_spark
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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 ...
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OBD1J12
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05 Mar 2004 - 19:26 - NEW
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Home.blundar
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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 ...
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OBD1PR4
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26 Dec 2005 - 03:53 - r1.3
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Home.Swap_File
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PR4 92-93 Integra RS/LS/GS (B18A) The PR4 also came in an OBD0 variety see OBD0PR4 for the 90-91 ECUs.
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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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P05
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28 Dec 2005 - 06:36 - r1.2
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Home.4g vtec
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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 ...
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P06
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25 Feb 2004 - 20:30 - NEW
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Home.blundar
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P06 92-95 OBD1 Civic DX (D15B SOHC non-vtec) (Thanks Katman!) Thanks Katman:
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P07
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26 Jun 2005 - 05:29 - r1.3
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Home.markese
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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 ...
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P08
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30 Mar 2004 - 02:18 - r1.2
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Home.eg6ajk
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P08 92-95 OBD1 Civic/CRX VTi/VXi (D15B sohc vtec) 1 Wire O2, otherwise pretty similar to P28 .
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P0A
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18 May 2006 - 18:59 - r1.3
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Home.kabuki
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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 ...
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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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P14
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26 Jan 2007 - 23:58 - r1.3
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Jared Karagen?
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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 ...
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P14ToP13
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28 Apr 2005 - 05:11 - r1.2
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Home.speed_of_bokchoy
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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 ...
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P28
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26 Jul 2005 - 21:54 - r1.8
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Home.-anton-
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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:/ ...
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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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P54
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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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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P74
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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P74/75 94-95 OBD1 Integra RS/LS/GS (1.8L B18B) Scan (Thanks Katman!): http://pgmfi.org/resources/FAQ/scans/P75OBD1top.jpg scan
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P91
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16 Mar 2004 - 19:18 - NEW
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Home.blundar
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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 ...
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PM9
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17 Jun 2004 - 04:28 - r1.4
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Home.warrick
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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 ...
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PR3
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29 Jan 2005 - 07:10 - r1.4
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Home.noriega
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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 ...
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PT3
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25 Mar 2006 - 19:57 - r1.3
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Home.acclude
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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 ...
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PT5
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08 Feb 2006 - 06:23 - NEW
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Home.carotman
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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)
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ProposedDataloggingProtocol
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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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 ...
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RealTimeProgramming
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26 May 2004 - 18:52 - r1.6
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Home.hackish
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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 ...
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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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RtpTruthTable
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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TroubleshootingSolidCEL
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27 Dec 2004 - 18:16 - r1.2
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Home.markolson
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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 ...
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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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VehicleSpeedSensor
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27 Sep 2005 - 10:22 - r1.2
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Fast Hatch?
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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 ...
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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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WireHarness
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12 Apr 2006 - 06:13 - r1.3
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Home.Ace0246
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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 ...
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_EA
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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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 ...
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Number of topics: 97
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Copyright © 2002-present by the contributing authors. All material on this collaboration platform is the property of the
contributing authors, and is covered by the Non-Commercial Share-Alike License unless explicitly stated otherwise. |
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