Obd2 Port Diagram
Obd 2 pinout for gm cars.
Obd2 port diagram. I m trying to find the vss and an injector signal and would like to go through the obd instead of tapping into the wires coming from the pcm. The obd port is the location where you can plug in any obd tool into the vehicle to pull vehicle information. The position of the port varies based on the manufacturer and is normally hidden in a blind spot for aesthetic reasons. The red one is to get sure wire with dc power of 5 liter.
This pinout is associated with 47 compatible devices or models. Gm cars produced in 2003 2006 use j1850 vpw interface or can. The diagram of the wiring for just the scanner port data link connector black 16 way the pinout listing is color coded. Obd ii connector wiring for ls swaps today we do a short tutorial on wiring your obd2 connector on your ls swap.
If you don t see your vehicle listed please call 800 711 5800 for help. Black wire serves as ground exactly like in any other apparatus. If the vehicle s onboard diagnostic system detects a malfunction a dtc corresponding to the malfunction is stored in the vehicle s computer as well as realtime data. Jump to latest follow 1 8 of 8 posts.
It is also the primary location of tracking devices such as dongles as the port provides ongoing power to the device. There are two generations of obd ports obd1 and obd ii aka obd2. To determine which one you have if your vehicle. Using wiring harness but when i install and reconnect the truck battery i have a dodge dakota with a broken obd2 plug.
Then the uart board is connected to a computer. Once you find the port hook up the connector and connect the other end to stn1110 obd uart board. Companies have plenty of ideas about what. Show them should be suitable for most modern gm cars buick cadillac chevrolet daewoo gmc holden opel vauxhall.
Most gm cars produced in 1996 2003 use j1850 vpw interface. The obd port can found on the dashboard near the steering wheel of every car. In accordance with wiring diagram for obd2 port to usb you will find only four wires used in the cable. Obd i begins standardized dtc s obd ii adds specific tests to determine the vehicles emission performance obd iii adds more features and is in the regulatory development phase.
Discussion starter 1 feb 9 2009. Does any one have a diagram that shows what each pin on the obd connector is for. Where s my obd ii port. How to install obd 2 port in your ls swap project duration.
Typically it uses black black red and white cable colors.