Volkswagen Passat 1995 Official Factory Repair Manual page 2199

Ignition, servicing
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Camshaft Position (CMP) sensor,
checking
Recommended special tools and equipment
V.A.G 1526 Multimeter
V.A.G 1594 connector test kit
V.A.G 1527 voltage test lamp
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.
For vehicles with automatic transmission,
selector lever must be in -P-.
Ground (GND) connections between engine,
transmission, and chassis must be OK.
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