New Beetle Convertible L5-2.5L (BPS) (2006)
Variable Valve Timing Actuator: Testing and Inspection
Diagnostic Procedures
Camshaft Adjustment Valve, Checking
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, checking.
‹› 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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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Preliminary Check
Start diagnosis
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Remove the engine cover. Refer to the Repair Information.
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Disconnect Camshaft Adjustment Valve 1 (N205) electrical harness connector.
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Using a multimeter, check the Camshaft Adjustment Valve 1 (N205) terminals for resistance.
Specified value: 5.0 to 9.0 ohms (at approx. 20 °C)
If the specified value was Not obtained:
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Replace the Camshaft Adjustment Valve 1 (N205 ) Refer to the Repair Information.
If the specified value was obtained:
Checking voltage
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Switch the ignition ON.
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Using a multimeter, Check the Camshaft Adjustment Valve 1 (N205) electrical harness connector terminal 1 for voltage.
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Switch the ignition OFF.
Specified value: Battery voltage.
If the specified value was Not obtained:
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Check the wiring connection for an open circuit, high resistance or short to ground. Refer to the wiring diagram.