White on the o2 sensor goes to pinout d14 on the ecu the other black on the sensor is a switched 12 volt. Jdm obd1 4plug auto integra p72 ecu pin diagram ffs. P75 auto to manual download p75 auto to manual information. This board is only found in the obd1 p75 ls and all p72 gsr ecu s. There are other styles of connectors, but the 12 pin obd1 connector shown above is the most common. 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. I have attached an excel file with the obd2b, 94 tcu and p75 pins. Red wolf car obd2a to obd1 ecu jumper conversion harness adapter for 19961999 honda acura integra, 19961998 civic, 19961997 accord. Honda obd2 ecu pinout diagram ecu connector wiring diagram scans. The 4plug obd1 connector image below is proof these do exist and are usually found on jdm auto 9295 civic, integra, and preludes. Please note that due to high demand this package is now special order, please allow 24 weeks for shipment. Obd1 civicintegra ecus are a common hardware platform.
We carry thousands of obd cables in stock, and can manufacture custom cables as well. This is a guide to stock honda ecus by vehicle, with a listing of suitable ecus for that vehicle. Everything works but im throwing a o2 and vtec sol. Its possible to mount the new p72a1 obd1 ecu in the stock location and still have the floor board firewall cover fit. Ecu conversion jumper harness obd0 to obd1 for honda civic.
Many vehicles require an obdii to obdi adapter harness note 6 andor ecu swap note 7. One of the blacks on the o2 sensor go to pinout a6 at the ecu o2 sensor signal. If your vehicle has an engine swap then it is recommended you view applications by engine. The last 3 characters are broken down into 3 parts. How to removeinstall a 28 pin eprom chip in a socketed ecu video. Note that the ecu connector is accompanied by the c104, a small 3pin plug that provides data for the instruments. Cat industrial uses a nonindustry standard pinout for their round 9pin diagnostic connectors. Obd1 manual p75 ecu never opened a51, auto, automatic, converting, cut, ecu, manual, p06a51. Thank you for purchasing one of our quality locash racing. Aldl obd1 obd cable obd connector obd2 ecu simulator obdii. If your vehicle has an engine swap then it is recommended you view applications by engine many vehicles require an obdii to obdi adapter harness note 6 andor ecu swap note 7.
Some 199495 cars have the 16 pin obd2 connector shown below, corvettes, camaros, and lt1 cars among them, as well as newer australian holden and commodore. Obd2a plug configuration below is an example that shows the onboard female connector. 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. I have attempted to show the connections from the obd2b to the ecu and tcu. Obd1 plug configuration below is an example that shows the common onboard male connectors for a honda obd1 ecu. Both the forum and wiki are loaded full of useful information, but the forum in particular can be very hard to find things. First off, i cut out any sections of the insulating material that would get in the way. Connector location according to sae j1962, type a dlc shall be located in the passenger or drivers compartment in the area bounded by the drivers end of the instrument panel to 300 mm 1 ft beyond the vehicle centerline, attached to the instrument panel and easy to access from the drivers seat. Jump to latest follow status not open for further replies. The 4plug obd1 connector image below is proof these do exist and are usually found on.
This harness adapter will allow you to use an older obd1 1992 to 1995 ecu 1992 to 1995 computer in your newer honda or acura vehicle. Im not sure if all obd1 ecus are the same physical size. Even though it is an obd2 connector, it has an obd1 system behind it on these 9495 cars. P74 this obd1 ecu is in the 19921995 acura integra with the nonvtec dohc b18 engine. P72 is the b18c1 gsr ecu obd1 and 2 p75 is the obd1 and 2 945678900 integra lsgs ecu pr4 obd1 years 199293 run the obd 1 years as in 9295 is all obd1 then 96and up is obd2 pr4 obd0 years would be 199091 what you have is a obd1 ecu within the da years 9293 if this is confusing ya search a bit deeper. While there are differences between obd1 civic and integra ecus vtec vs. I have come across many solid cel ecus that i cant figure out and even with a few suggestions from you in the past on open surface mount caps, resistors, etc. Did anyone ever get there setup to work with the auto ecu. This board is only found in the obd1 p75 ls and all p72 gsr ecus. Rywire motorsport electronics specializes in wiretuck tucked, high performance, milspec engine harnesses. Red wolf car obd2a to obd1 ecu jumper conversion harness adapter for 19961999 honda acura integra, 19961998 civic, 19961997 accord cbk new obd2a to obd1 ecu conversion harness adapter jumper for honda acura 9601. P75 much like the p74 this ecu is in the obd1 19921995 acura integra ls or gs with the non vtec b18 engine. Obd1 1995 1998 nissan 240sx obdii 1989 1993 nissan180sx ca18det 1991 1995 nissan 180sx sr20det 1996 1999 nissan 180sx sr20det.
Wiring diagram honda civic ecu pinout honda obd1 ecu pinout 97 honda. Ecu simulators, obd connectors, obd breakout boxes, and scan tools are some of the other products we sell. Im doing a manual transmission swap but the ecu is an automatic tags. Ecu conversion jumper harness obd0 to obd1 for honda civic 88. Hondata 0307 accord v6 and 0406 tl flashpro adapter. There is a obd2 version of this ecu as well which has completely different ecu wiring. This adapter allows a standard j1939 accessory or piece of test equipment to be connected to the cat equipment. Jetronics primitive management system only controlled fuelling, so the ecu is little more than an injection control unit. The mod is to splice the vtm with the vts, well i dont even have a vtm wire. Ecu pinout diagrams innovate motorsports application notes.
Below is the pinout for a 92 subaru svx engine control unit ecu. Splice into pinout a14green or gray on the o2 sensor is the o2 ground. All they did is add an extension onto a wire harness so the new obd 1 ecu will plug into that. Different generation ecus may use the same characters. According to this pinout theres a couple differences int the a,b, and d plugs but most of the differences are the c plug itself being the us market doesnt even have it and use a tcm for the transmission. White on the o2 sensor goes to pinout d14 on the ecuthe other black on the sensor is a switched 12 volt. Need pinout pr4 obd1 9295 ecu arent all obd1 pinouts the same, which is why sometihng like a p06 or p28 or p74 or p75 chippable and interchangable between cars and even cars with obd2. I would like for a moderator to place this as a sticky or in the tecinfo section. The table at the bottom of this page gives a comparison of obd1 v obd2 capabilities on a 199698 us sidekicktracker ecu. The control model uses a 25pin plug, with pin 1 at the cable end.
Obd2a plug configuration below is an example that shows the onboard female connector configuration for an obd2a ecu. I know someone who has done an obd2a to obd1 auto with success but the pins are different. Obd1 p74 p75 ls ecu pinout diagram team integra forums. This site has the ecu pinouts for many different cars, as well as obdii, obd1 and pre obd 240sxs. Thank you for purchasing one of our quality locash racing products.
Ive also fixed an ecu with a bad injector transistor only fired 3 out of 4 and and another with a bad transistor pack which didnt let the fuel pump come on solid cel. Again there is an earlier model of this vehicle, so make sure not to get confused as the ecu wiring is very different. Jdm obd1 4plug auto integra p72 ecu pin diagram january 5, 2009 by katman 8. The interface operates as obd1 by default but after receipt of an obd2 init command the data is passed to the obd2 software functions until an end of communications message is received or a comms timeout occurs. Splice into pinout d22 after all the wiring is done bolt up the obd1 distributor. Also note that the ecu connector shown on the above website is pictured from the harness side, or looking into the ecu. P72 from the 19962001 acura integra gsr with the vtec b18c1, this ecu is extremely popular. Since the wiring harness is no longer collocated with original car, i have no idea as to what the pinout for the data link connector dlc might be. Mitsubishi eclipse 2nd gen mitsubishi eclipse 3rd gen 2002 mitsubishi lancer 2.
These are the pin designations for the obd1 ecu as well as their wire color and voltage. One of the blacks on the o2 sensor go to pinout a6 at the ecuo2 sensor signal. Obd01 in order to complete the installation of your conversion harness, additional sensors andor equipment may need to be connected to the subharness. Jan 05, 2009 i put the jdm gsr ecu and motor in my auto ls integra. I always have a hard time finding this information when i need it as im sure others do, so here it is. The middle three characters are the most useful to identify what the ecu is.
1235 1081 502 386 1007 466 1099 1326 864 410 1383 1381 20 12 88 920 1253 543 1331 413 196 1480 969 679 484 870 1521 1281 1356 543 1537 397 844 786 865 668 1364 1251 704 691