Obd2a auto ecu pinout pdf

Image has been uploaded by alex petrone and has been tagged by tag in field. Obd2a 9698 civicdel solintegra pinout and schematics. Our products are for honda, acura, subaru, nissan, lexus, mitsubishi, mazda, ferrari, windshields, 348, 355, 550, f355, 360, f360. Obd2a ecu conversion harness installation instructions 9295 civic auto to 94 95.

Hasport performance wiring conversion harness, obd2b car. Sort of weird if you ask me, but then again here in the states we arent use to seeing a 99 spec ctr engine harness. Obd2a plug configuration below is an example that shows the onboard female connector configuration for an obd2a ecu. Great for apexi power fc and aem engine management systems. Since 2001, we have been a source for grassroots performance enthusiasts. The battery case is made of hard rubber or a high quality plastic. I thought there was more to it than just plugging in the obd1 ecu from what i read, the obd2a dizzy and alternator had to be converted to obd1 in order for the ecu to run it. It might be poor fuel pressure, but i think it might have something to do with the b plug in the ecu i am using. Converting distributor wires obd2 to obd1 or obd1 to obd2. All honda ecus have a part number which is located on the side of the ecu and inside the ecu on the connector. Obd2a to obd1 conversion ecu jumper harness adapter for. I have a obd1 jdm gsr complete stock engine w the 98 spec type r headers. If you compare the 95 ecu pinout with the 96 ecu pinout you will notice that the majority of the wiring color codes match oneforone. How to depin and pin honda and acura obd2a and obd2b ecu connectors for swaps when adding vtec, knock sensors, iab, etc.

Obd2b has a plug, a plug, a plug, and a blank space. The second digit 0 typically means manual transmission, where a 5 means automatic transmission, and the last digit 1 is the version number. For tuning, aaron at puretuning in toledo ohio installed a s300 in a p72 ecu, which is installed in my vehicle using a obd2a to obd1 wiring harness. Obd2a ecu quick reference wiring diagram for swaps ha. I have a 1997 accord wagon to which i have done some mods camshaft, h23 intake manifold, bisimoto header, mild exhaust porting, shaved 0. These pinout locations were crossreferenced with obd1 civicintegraprelude. Obd2b manual transmission ecu s use only a, b, and c. Obd2b plug configuration below is an example that shows the onboard female connector configuration for an obd2b ecu. Brand new hondaacura obd2a to obd1 ecu conversion harness. Capitulo 2 automotive electrical circuits and wiring. Use this jumper harness on select honda acura vehicals easily connect obd2a system to obdi ecu for manual transmission only not for automatic transmission obd2a to obd1 conversion harness for use in obd2a ecu equipped acurahonda vehicles.

Color coded and labeled wires for easy identification. Ssr obd2a chassis to obd1 ecu conversion harness this harness allows you to adapt a 9295 obd i mt ecu into a 9698 civic or del sol, 9699 integra, prelude or accord. The 96 ecu was a transition year for the ecu, so to speak. All rywire engine harnesses are made with obd1 9295 ecu connectors. Below is an example that shows the onboard female connector configuration for an obd2a ecu. This complete system is called as an ecu engine control unit. For vx 7 wire o2 use above instruction to wire up for 4 wire diagram here. Ecu part number to vehicle application list diagnosing a solid check engine. The blank connector b is only used with civicintegra vehicles equipped with at. Water to air intercooler design diagram flow chart cfm power. Allows obd1 honda cars like 9295 honda civic and 9495 acura integra to run obd2a ecu from 9698 honda civic or 9699 acura integra. Car obd2a to obd1 ecu jumper conversion harness adapter for 19962001 hondaacura accordcivicdel solprelude compatible with. Car vehicle obd2a to obd1 replace ecu jumper conversion.

Obd2a vtec wiring diagram for vtec solenoid wiring diagram pdf rywire ecu diagram wiring schematic diagram 19 laiser co pdf rywire mil spec adaptronic 20b harness pdf. Wiring diagramcolors pinouts for 9295 obd1 vehicles. The mod is to splice the vtm with the vts, well i dont even have a vtm wire. Obd1 to obd2a ecu jumper harness for 9295 honda civic. Your car is obd2a because all 19961998 civics are obd2a from the factory. Obd connector is meant to be used only by the service guy to monitor the health of your car and provide diagnosis. I have cleaned my solenoid, ran through the wiring and anything else it could be. The case must withstand extreme vibration, temperature change, and the corrosive action of the electrolyte. Obd2a to obd1 ecu jumper conversion harness adapter for. Wiring diagramcolors pinouts for 9698 obd2a vehicles.

In other words, the 96 ecu implemented wiring similar to that from the 95 ecu, but also added a few additional changes that would become standard. Works with jdm obd2a ecu s 19921995 acura integra 19921995 honda civic 19921995 honda accord 19921995 honda prelude 19921995 honda civic del sol. Below is an example that shows the common onboard male connectors for a honda obd1 ecu. Ecu pinout 12 wiring harness series subaru wiring harness video series part 6 so here is a video that many have requested, the pin by pin honda and acura obd2a and obd2b depin and pin ecu connectors plugs how to depin and pin honda and acura obd2a and obd2b ecu connectors for swaps when adding vtec, knock sensors, iab. Universal allows you to use an obd2a jdm ecu quantity. The other day i had to make a mod to my wiring to get rid of code 22 i was having with my new ecu. Yonaka carries a full line of high performance parts for honda lovers. I have attached an excel file with the obd2b, 94 tcu and p75 pins. The 4plug obd1 connector image below is proof these do exist and are usually found on jdm auto 9295 civic, integra, and preludes. Three characters which are loosely related to the model of carengine. Sorry i do not have pin schematics for the jdm 4plug obd1 ecu. Ecu pinout diagrams innovate motorsports application notes.

Abs ecu s 6 combination meter c 7 bv1 1 wb shielded bv1 1 i 5 gw 2 ib 1 ib 14 ie1 bo 50 8 l 4 15a stop 7. Led license plate light 24smd day white for bmw e90 m3 e92 e70 e39 f30 e60. I know someone who has done an obd2a to obd1 auto with success but the pins are different. Pin, function, color, vr6 obd1, color, aba obd1, color, aba obd2, color, vr6. Hasport performance wiring conversion harness, obd2b car allows you to use an obd2a jdm ecu, obd2b2a.

The blank connector d is only used with at specific civicintegra vehicles. Hey guys i am trying to see if its possible to do an obd2b to obd1 auto conversion. The obdii honda d and b series distributors are slightly different in the wiring diagram, but our article makes this conversion a breeze. I have a obd1 stock jdm ecu with a jumper hardness obd 1 to obd2a my engine wire hardness is a obd2a it had the vtec wires already in it i bought a new universal o2 sensor from autozone and that o2 sensor has four wires just like the one that came with the engine. This article exploits a combination of ecu pin locations and wire colors for all. Honda engine ecu pinout wiring southern vermont college. Obd1 manual p75 ecu never opened a51, auto, automatic, converting, cut, ecu, manual, p06a51. Nothing is there, and i think i might be able to by pass with some wiring work. An ecu adapter must be used for obd2a or obd2b ecu s if necessary. The primary o2 sensor is killing me with the wiring. The ecu is found in the passenger side corner of the car. Seller assumes all responsibility for this listing. Obd2a ecu quick reference wiring diagram for swaps thanks to katman and for the image support. I used a p75 auto ecu, a tcu from a 9495 nonvtec accord f22b2 and my engine harness was an obd2a harness.

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