A4 Quattro Cabriolet L4-2.0L Turbo (BWT) (2009)
/Page-997001.png)
Variable Valve Timing Actuator: Testing and Inspection
Camshaft Adjustment Valve 1, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› Fuse (S282) 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 => [ General Diagnosis ] See: Testing and Inspection/Initial Inspection
and Diagnostic Overview/General Diagnosis.
-
Remove engine cover - arrows -.
Start diagnosis
-
Disconnect Camshaft Adjustment Valve 1 (N205) electrical harness connector - 1 -.
