Volkswagen Workshop Manuals
Passat Sedan V6-3.6L (BLV) (2008)
Engine, Cooling and Exhaust > Engine > Actuators and Solenoids - Engine > Variable Valve Timing Actuator > Component Information > Locations > Page 1806
Variable Valve Timing Actuator: Testing and Inspection
Camshaft Adjustment Valve 1 Intake N205, Adjustment Valve 1 Exhaust N318 Checking
The following procedure is used to diagnose Camshaft Adjustment Valve 1 Intake (N205) and Camshaft Adjustment Valve 1 Exhaust (N318)
Special tools, testers and auxiliary items required
‹› Wiring diagram.
‹› The Camshaft Adjustment Valve 1 Intake (N205) and Camshaft Adjustment Valve 1 Exhaust (N318) fuse OK.
‹› Motronic Engine Control Module (ECM) Power Supply Relay (J271) OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground connections between engine/transmission/chassis OK.
‹› Ignition switched off.
Observe safety precautions. Refer to => [ Safety Precautions ] See: Powertrain Management/Computers and Control Systems/Service
Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Powertrain Management/Computers and Control
Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Powertrain Management/Computers and
Disconnect Camshaft Adjustment Valve 1 Intake (N205) electrical harness connector or Camshaft Adjustment Valve 1 Exhaust (N318).
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