According to Wikipedia.org, On-Board Diagnostics, or OBD, is a generic term referring to a vehicle’s self-diagnostic and reporting capability. It gives the vehicle owner or a repair technician access to state of health information for various vehicle sub-systems. The OBD connector has 16 pin locations which are numbered as shown below.

OBD Connector Pinout Diagram

OBD Connector Pinout Schematic Diagram

OBD Connector Pinout Assignment

1 ____ 5 (signal ground)
2 ____ 4 (chassis ground)
3 ____ 6 (CAN high J-2284)
4 ____ 7 (ISO 9141-2 K Line)
5 ____ 14 (CAN low J-2284)
6 ____ 10 (J1850 Bus-)
7 ____ 2 (J1850 Bus+)
8 ____ 15 (ISO 9141-2 L Line)
9 ____ 16 (Battery Power)



Related Post

BMW 325e Electrical Wiring Diagram 1985
Troubleshooting Pontiac Fiero Cruise Control System
Daewoo Espero Audio Stereo Wiring System
2008 Acura TL Daytime Running Lights Wiring Diagram
2008 Infiniti EX35 Air Conditioner Control System Wiring Diagram