key AUDI A4 1999 B5 / 1.G AWM Engine Camshaft Timing Control Workshop Manual

15-94

Test requirements:

Vehicle diagnostic, testing and information
system VAS 5051 or VAG 1551 Scan Tool
connected

Test sequence

- Initiate output Diagnostic Test Mode (DTM) and
activate solenoid valve for camshaft adjuster.
Output Diagnostic Test Mode Camshaft timing control

Display
If the valve is not actuated (does not click).
Checking internal resistance
This valve is actuated (clicks) for approx. one minute if the operation is
not switched to the next component by pressing the key.
- Check internal resistance of solenoid valve for camshaft adjuster.
- Switch ignition off.

- Disconnect connector -arrow- from camshaft adjuster.
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