Volkswagen Passat 1995 Official Factory Repair Manual page 1297

Components of engine, checking
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Engine Coolant Temperature
(ECT) sensor, 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
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-.
Engine must be cold.
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6/12/2004