Volkswagen Passat 1995 Official Factory Repair Manual page 2870

On Board Diagnostic (OBD) program
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.AT02.01.2
On Board Diagnostic (OBD)
program
VAG 1551 Scan Tool (ST), connecting
and selecting functions
Test conditions:
Battery Positive Voltage (B+) OK
Fuses 14 (S14) and 21 (S21) OK
Transmission Ground (GND) connections
OK:
- Check Ground connections for corrosion and
poor contact; repair if necessary.
Ground (GND) connection on left next to
relay panel
- Check Battery Ground (GND) strap and
Ground (GND) strap between Battery and
transmission.
Selector lever in position "P" and handbrake
applied.
- Remove Data Link Connector (DLC) cover on
right side of instrument cluster.
- With ignition switched OFF, connect VAG 1551
Scan Tool (ST) with VAG 1551/3 adapter cable.
Page 1 of 43
01-20
12/6/2004