Data Link Connector: Description and Operation

Diagnostic Connector Location:

The diagnostic connector, which is located under the trim panel at the center console, serves as the interface between the CIS-E Motronic control unit and the diagnostic equipment used for retrieving fault code information.

Fault Code At The Diagnostic Connector:

Fault codes may be retrieved with a "LED" test lamp, if the vehicle has a blue diagnostic connector or a Check Engine (MIL) Lamp.

VW Special Tool VAG 1551:

If available, fault codes may be retrieved with the VAG 1551 tester.