volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Camshaft Adjustment Valve 1 (Exhaust) , Checking|Page 2979 > < Multi Function Transmission Range Switch|Page 2974
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Variable Valve Timing Actuator: Testing and Inspection
Camshaft Adjustment Valve 1 (Exhaust) , Checking

Camshaft Adjustment Valve 1 (exhaust) , Checking

The following procedure is used to diagnose the Camshaft  Adjustment Valve 1 (exhaust) (N318)

Special tools, testers and auxiliary items required

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹› The 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 (GND) connections between engine/transmission/chassis OK.

‹› Ignition switched off.

Test procedure

-

Perform a preliminary check to verify the customers complaint. Refer  to --> [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check.

Start diagnosis

Procedure

-

Remove the engine cover with air filter.

-

Disconnect Camshaft Adjustment Valve 1 (exhaust) (N318) electrical harness connector - 1 -.

Camshaft Adjustment Valve 1 (Exhaust) , Checking|Page 2979 > < Multi Function Transmission Range Switch|Page 2974