Obd connector is meant to be used only by the service guy to monitor the health of your car and provide diagnosis. Below is an example that shows the common onboard male connectors for a honda obd1 ecu. I have a 1997 accord wagon to which i have done some mods camshaft, h23 intake manifold, bisimoto header, mild exhaust porting, shaved 0. So they can be swapped and no plug or wiring has to be done. Hey guys i am trying to see if its possible to do an obd2b to obd1 auto conversion. 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. Obd1 to obd2a ecu jumper harness for 9295 honda civic. Led license plate light 24smd day white for bmw e90 m3 e92 e70 e39 f30 e60. Obd2a ecu conversion harness installation instructions 9295 civic auto to 94 95. Wiring diagramcolors pinouts for 9698 obd2a vehicles. Pin, function, color, vr6 obd1, color, aba obd1, color, aba obd2, color, vr6. 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. The mod is to splice the vtm with the vts, well i dont even have a vtm wire. Brand new hondaacura obd2a to obd1 ecu conversion harness.
This complete system is called as an ecu engine control unit. I know someone who has done an obd2a to obd1 auto with success but the pins are different. Since 2001, we have been a source for grassroots performance enthusiasts. All honda ecus have a part number which is located on the side of the ecu and inside the ecu on the connector. Ecu pinout diagrams innovate motorsports application notes. Your car is obd2a because all 19961998 civics are obd2a from the factory.
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. Water to air intercooler design diagram flow chart cfm power. This article exploits a combination of ecu pin locations and wire colors for all. Hondata 0307 accord v6 and 0406 tl flashpro adapter. 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.
Obd2a to obd1 conversion ecu jumper harness adapter for. The blank connector d is only used with at specific civicintegra vehicles. Obd1 manual p75 ecu never opened a51, auto, automatic, converting, cut, ecu, manual, p06a51. The second digit 0 typically means manual transmission, where a 5 means automatic transmission, and the last digit 1 is the version number. Obd2b manual transmission ecu s use only a, b, and c. For vx 7 wire o2 use above instruction to wire up for 4 wire diagram here. The ecu is found in the passenger side corner of the car. Hasport performance wiring conversion harness, obd2b car allows you to use an obd2a jdm ecu, obd2b2a. Great for apexi power fc and aem engine management systems.
Obd2a manual transmission ecu s use only a, c, and d. The 96 ecu was a transition year for the ecu, so to speak. Car vehicle obd2a to obd1 replace ecu jumper conversion. The primary o2 sensor is killing me with the wiring.
Honda engine ecu pinout wiring southern vermont college. Three characters which are loosely related to the model of carengine. Ecu pin outs list of ecu pinouts for preobd to obd2. Obd2a 9698 civicdel solintegra pinout and schematics.
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. How to depin and pin honda and acura obd2a and obd2b ecu connectors for swaps when adding vtec, knock sensors, iab, etc. 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. 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. Car obd2a to obd1 ecu jumper conversion harness adapter for 19962001 hondaacura accordcivicdel solprelude compatible with. Wiring diagramcolors pinouts for 9295 obd1 vehicles. Allows obd1 honda cars like 9295 honda civic and 9495 acura integra to run obd2a ecu from 9698 honda civic or 9699 acura integra. Yonaka carries a full line of high performance parts for honda lovers. I have cleaned my solenoid, ran through the wiring and anything else it could be.
An ecu adapter must be used for obd2a or obd2b ecu s if necessary. 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. 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. Seller assumes all responsibility for this listing. Below is an example that shows the onboard female connector configuration for an obd2a ecu. I have a obd1 jdm gsr complete stock engine w the 98 spec type r headers.
Nothing is there, and i think i might be able to by pass with some wiring work. 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. Obd2b has a plug, a plug, a plug, and a blank space. All rywire engine harnesses are made with obd1 9295 ecu connectors.
Our products are for honda, acura, subaru, nissan, lexus, mitsubishi, mazda, ferrari, windshields, 348, 355, 550, f355, 360, f360. Image has been uploaded by alex petrone and has been tagged by tag in field. Obd2a ecu quick reference wiring diagram for swaps ha. Converting distributor wires obd2 to obd1 or obd1 to obd2. Universal allows you to use an obd2a jdm ecu quantity. 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. Ecu part number to vehicle application list diagnosing a solid check engine. Obd2a ecu conversion harness installation instructions 9295 civic auto to 9495. The battery case is made of hard rubber or a high quality plastic. 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. I used a p75 auto ecu, a tcu from a 9495 nonvtec accord f22b2 and my engine harness was an obd2a harness. Obd2a ecu quick reference wiring diagram for swaps thanks to katman and for the image support. I have attached an excel file with the obd2b, 94 tcu and p75 pins. Obd2a plug configuration below is an example that shows the onboard female connector configuration for an obd2a ecu. These pinout locations were crossreferenced with obd1 civicintegraprelude. Sorry i do not have pin schematics for the jdm 4plug obd1 ecu. Obd2a to obd1 ecu jumper conversion harness adapter for. The 4plug obd1 connector image below is proof these do exist and are usually found on jdm auto 9295 civic, integra, and preludes. Color coded and labeled wires for easy identification. The dividers in the case form individual containers for each element. 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.
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