Gm cars produced in 2003 2006 use j1850 vpw interface or can. Obd 2 pinout for gm cars.
89fdae Odb2 To Usb Wiring Diagram Wiring Resources
Obd port wiring diagram. Then the uart board is connected to a computer. Show them should be suitable for most modern gm cars buick cadillac chevrolet daewoo gmc holden opel vauxhall. The obd port can found on the dashboard near the steering wheel of every car. 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. 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. Click on technical information then on tsbs an wiring diagrams. 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. This pinout is associated with 47 compatible devices or models. 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. 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. Next page click on wiring diagram an enter you vehicle information an your on your way. The position of the port varies based on the manufacturer and is normally hidden in a blind spot for aesthetic reasons. 5 2 according to 10 reports in our database 5 positive and 2 negative this pinout should be correct.