On Saturday, July 10, 1999 at 2:00:00 AM UTC-5, StephanT wrote:

HI

I have a Jetta, with the OBD port next to the ashtray. There are 8 pins used of the 16pin SAE J1962 OBDII connector.

1:
2:
4: Ground
7: K-line
12:
13:
15: L-line
16: Vbat

Could anyone tell me what pins 1,2,12,13 are used for, or connected to???

Are VW's OBDII complient, since enven the new ones stil use the VAG1551 or VAG
1552 to diagnose ect, but the funny thing is that the VAg system also uses pin
7. Does this mean that the VAG's are using the ISO9141 protocol, or does the obd just recognise whatprotocol it is connected to, and then uses that???

regards
Stephan

So did any of you figure out what each pin is or what they do?

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