Cars, Bikes and Trucks Diagnostic Interfaces  > Volkswagen pinouts
used in all 1989-1994 and some 1994-1997 vehicles


Description (may be empty)
1    +12V power
2    Ground
3    diagnostic K-Line
4    diagnostic L-Line
4 pin Audi proprietary of Volkswagen old 2+2 diagnostic connector connector layout
4 pin Audi proprietary connector
at the Volswagen vehicle
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Volkswagen old 2+2 diagnostic connector visual pinout:
Volkswagen old 2+2 diagnostic connector diagram
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