Pin | Signal | Description |
4 | CGND | Chassis ground |
5 | SGND | Signal ground |
6 | CAN High | J-2284 |
7 | K-LINE | (ISO 9141-2 and ISO/DIS 14230-4) |
9 | SCS (Service Check System) - diagnostic codes | |
12 | Programming out | |
13 or 14? | Input/Output for VTM-4 and immobilizer control | |
14 | CAN Low | J-2284 |
15 | ISO 9141-2 L-LINE | (ISO 9141-2 and ISO/DIS 14230-4) |
16 | +12v | Battery power |
OBD interfaces used:
1996 - 2006 : ISO 9141
2006 - 2008 : ISO 9141 or CAN
2008 and later : CAN
Some OBD-II cables schemes:
OBD-2 ISO 9141-2 (14230-4, KWP2000) simple serial cable
OBD-2 J1850 PWM, J1850 VPW serial ELM327 cable
OBD-2 universal ISO 15765-4 CAN, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 and SAE J1939 diagnostic cable