Passat Sedan V6-3.6L (BLV) (2008)
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Variable Valve Timing Actuator: Testing and Inspection
Diagnostic Procedures
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
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› 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.
Test procedure
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Observe safety precautions. Refer to => [ Safety Precautions ] See: Service Precautions/Safety Precautions
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Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Service Precautions/Clean Working Conditions
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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check.
Procedure
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Disconnect Camshaft Adjustment Valve 1 Intake (N205) electrical harness connector or Camshaft Adjustment Valve 1 Exhaust (N318).
