A3 L4-2.0L Turbo (BPY) (2006)
Variable Valve Timing Actuator: Testing and Inspection
Camshaft Adjustment Valve 1 N205, Checking
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Camshaft Adjustment Valve 1 N205 fuse OK.
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Motronic Engine Control Module (ECM) Power Supply Relay J271 OK, checking.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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Vehicles with automatic transmission, shift selector lever into position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Ignition switched off.
Procedure
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Remove the engine cover with air filter
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Disconnect Camshaft Adjustment Valve 1 N205 electrical harness connector - 1 -.
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Using a Multimeter , check the Camshaft Adjustment Valve 1 N205 for resistance.
Specified value: 5.0 to 8.0 Ohms (at approx. 20 degrees C)