Fig. 227: Identifying Special Tools - Camshaft Adjustment Valve, Checking
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Special tools, testers and auxiliary items required
Multimeter VAG1526A
Voltage tester VAG1527B
Connector test kit VAG1594A
Adapter VAG1598/31
Requirement
Vehicle diagnostic, testing and information system VAS5051 or scan tool VAG1551 must be connected.
Work sequence
Start output Diagnostic Test Mode and activate camshaft adjustment valve.
Indicated on display
This valve is actuated (clicks) for approx. 1 minute if --> key is not pressed beforehand to select next
control element.
If valve is not actuated (does not click):
Check internal resistance of valve.
Checking internal resistance
Switch off ignition.
Fig. 228: Disconnecting Connector At Camshaft Adjuster
Output Diagnostic Test Mode -->
Camshaft timing control
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
2:34:44 AM
Page 61
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