Volkswagen Cars 2000-05

Assembly Line Diagnostic Link (ALDL) or Data Link Connector (DLC)

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General Information & Location





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Fig. Location of diagnostic connector

The diagnostic connector is located on the dashboard, below the climate controls, hidden behind a cover plate.


NOTE
If available, the first step in performing component testing should be to check for any stored Diagnostic Trouble Codes (DTC's) using a VAG 1551, VAG 1552, or suitable scan tool.

The scan tool electrical connectors are located as follows:

1990-94 Passat models:



Center console forward of the gear selector, under the gear selector cover or boot
 

1995-97 Passat models:



On the dash behind a trim cover between the radio and the steering column
 

1996-2000 A4 models:



Center console in the rear ashtray, on the left, under trim a cover
 

1998-00 A4 and Passat models:



Behind a trim cover below the driver's side knee bar, left of the steering column
 

 
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