Gm cars produced in 2003 2006 use j1850 vpw interface or can. Obd 2 universal iso 15765 4 can sae j1850 pwm sae j1850 vpw iso 9141 2 iso 14230 4 and sae j1939 diagnostic cable pinout status.
Can To Obd2 On Evo 8 G4 Link Engine Management
Obd port wiring diagram. If the vehicles onboard diagnostic system detects a malfunction a dtc corresponding to the malfunction is stored in the vehicles computer as well as realtime data. The obd2 connector under the dash the sensors the engine control module pin out chart. Once you find the port hook up the connector and connect the other end to stn1110 obd uart board. The position of the port varies based on the manufacturer and is normally hidden in a blind spot for aesthetic reasons. Obd i begins standardized dtcs obd ii adds specific tests to determine the vehicles emission performance obd iii adds more features and is in the regulatory development phase. Most gm cars produced in 1996 2003 use j1850 vpw interface.
Show them should be suitable for most modern gm cars buick cadillac chevrolet daewoo gmc holden opel vauxhall. Next page click on wiring diagram an enter you vehicle information an your on your way. The obd port can found on the dashboard near the steering wheel of every car. Obd 2 pinout for gm cars. This pinout is associated with 47 compatible devices or models. 5 2 according to 10 reports in our database 5 positive and 2 negative this pinout should be correct.
Click on technical information then on tsbs an wiring diagrams. Then click on i agree on the next page. Obd ii connector wiring for ls swaps today we do a short tutorial on wiring your obd2 connector on your ls swap. Then the uart board is connected to a computer.