Volkswagen Passat 1995 Official Factory Repair Manual page 2249

General information for On Board Diagnostic (OBD)
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU08.ST.1
Parking brake must be engaged or else
daylight driving lights will be switched on.
For vehicles with automatic transmission,
selector lever must be in -P- or -N-.
If vehicle is equipped with an A/C system, it
must be switched off.
Ground (GND) connections between engine,
transmission, and chassis must be OK.
Ignition switched off.
Work procedure
Connect diagnostic tester (VAS 5052) using
(VAS 5052/3) diagnostic cable as follows:
- Unclip cover for Data Link Connector.
- Connect diagnostic cable connector to Data Link
Connector (DLC) (arrow).
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ST-8
12/6/2004