VW Diagnostic Port
 

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?