Volkswagen Passat 1995 Official Factory Repair Manual page 1289

Components of engine, checking
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Throttle valve control module,
checking
Recommended special tools and
equipment
V.A.G1526 Multimeter or V.A.G1715
multimeter
V.A.G1594 Connector test kit
Wiring diagram
Test requirements
The respective fuses of Motronic
Engine Control Module (ECM) -
J220- must be OK:
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
Battery voltage must be at least
11.5 volts.
All electrical consumers such as
lights and rear window defroster
must be switched off.
If vehicle is equipped with an A/C
system, it must be switched off.
Parking brake must be engaged or
else daylight driving lights will be
switched on.
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