Volkswagen Passat 1995 Official Factory Repair Manual page 1355

Engine Control Module (ECM)
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Fuel Pump (FP) Relay -J17- must be OK,
check:
Electrical Wiring Diagrams,
Troubleshooting & Component Locations
Generator (GEN) must be OK, checking:
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.
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-.
If vehicle is equipped with an A/C system,
it must be switched off.
Ground (GND) connections between
engine, transmission and chassis must be
OK.
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