A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
Variable Valve Timing Solenoid: Testing and Inspection
Camshaft Adjustment Valve, Checking
Camshaft adjustment valve, checking
Special tools and repair equipment required
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VAG 1526 A Multimeter
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VAG 1527 B Voltage tester
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VAG 1594 A Connector test kit
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VAG 1598/31 Adapter
Requirement
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Vehicle diagnostic, testing and information system VAS 5051 or scan tool VAG 1551 must be connected.
Work sequence
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Start output Diagnostic Test Mode and activate camshaft adjustment valve.
Indicated on display
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This valve is actuated (clicks) for approximately 1 minute if -> key is not pressed beforehand to select next control element.
If valve is not actuated (does not click):
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Check internal resistance of valve.
Checking internal resistance
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Switch off ignition.