*VW Passat B5: the OBD plug is behind the gearlever and beside the parking brake
lever. Lift the cover to access it. Use SMART OBDII-16 connector.
2. Location Diagram of Vehicle Diagnostic Link Connectors
Location diagram of pick-up truck diagnostic link connectors:
Location diagram of utility vehicles diagnostic link connectors:
Link diagram of small car diagnostic link connectors:
NOTE: Each vehicle manufacturer may use additional pins to diagnose a variety of
systems. Not every manufacturer uses the same standard. The function on a certain
pin will vary from manufacturer to manufacturer. Verify with the manufacturer.
3. Diagnostic Link Connectors Terminal Definition and Communication Protocols
3.1. Standard OBDII Diagnostic Link Connector:
Pin Definition (Reference material)
Various pin definitions as follows:
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