Volkswagen Passat 1995 Official Factory Repair Manual page 2250

General information for On Board Diagnostic (OBD)
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU08.ST.1
- Depending on the desired diagnostic mode, it is
necessary to:switch on ignition or start engine
Page ST-5 , selectable diagnostic modes under
address word 33.
Note:
Respective operation of the diagnostic tester:
Operating instructions of the diagnostic tester
If no display appears on diagnostic tester,
check voltage supply at Diagnostic Link
Connector (DLC):
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
Page 9 of 12
ST-9
12/6/2004