Opel vehicle function
1   n/a
2 J1850 n/a
3    K-Line, K2, TCM, Sunroof, CDL, Multi-Timer
4 GND  Chassis ground
5 SGND  Signal Ground
6 HS-CAN  Blinkcode
7 K-Line K-Line, K1 (engine)
8   K-Line, K4
9   reserved
10  PWM n/c
11   reserved
12   K-Line, K3, ABS, TC, Steering, RTD, OW
13   reserved, K-Line, K5
14  HS-CAN(-) reserved
15 L-Line  n/c
16  Battery+ Battery +, unswitched

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
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There are 1 reports in our database: 0 positive and 1 negative.
16 pin J1962 OBD-2 car proprietary of Opel OBD II diagnostic interface connector layout
16 pin J1962 OBD-2 car proprietary connector
at the opel car