Volkswagen Passat 1995 Official Factory Repair Manual page 3690

Airbag system, On Board Diagnostic (OBD), vehicles from 10.94
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.BD01.01.2
Before beginning to troubleshoot, start the On
Board Diagnostic (OBD) using VAG1551 Scan
Tool.
The information displayed is used to refer to a
DTC table that lists possible causes and suggest
repair measures.
CAUTION!
Only check wiring visually.
Do not make electrical open circuit checks or
checks of the ignition system.
Check wiring routing only with the ignition
switched off.
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