audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Camshaft Adjustment Actuators, Left Bank 2, Checking|Page 3776 > < Camshaft Adjustment Actuators, Left Bank 2, Checking|Page 3774
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Variable Valve Timing Actuator: Testing and Inspection
Camshaft Adjustment Valve 1, Checking

Diagnostic Procedures

Camshaft Adjustment Valve 1, Checking

Observe all safety precautions: => [ Safety Precautions ] See: Service Precautions/Safety Precautions

View clean working conditions: => [ Clean Working Conditions ] See: Service Precautions/Clean Working Conditions

Use only gold-plated terminals when servicing any component with gold-plated electrical harness connector terminals.

For wiring diagrams, component locations, and connector views, Refer to the applicable wiring diagram.

Special tools, testers and auxiliary items required

‹› Multimeter

‹› Wiring diagram

Test requirements

‹› The Camshaft Adjustment Valve 1 (N205) 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

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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

Start diagnosis

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Remove the engine cover with air filter. Refer to appropriate service information.

Camshaft Adjustment Actuators, Left Bank 2, Checking|Page 3776 > < Camshaft Adjustment Actuators, Left Bank 2, Checking|Page 3774