A4 V6-3.0L (AVK) (2004)
Variable Valve Timing Actuator: Testing and Inspection
With Generic Scan Tool
Solenoid Valve For Camshaft Adjustment, Checking
Recommended special tools and equipment
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VAG1526A multimeter
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VAG 1527 B Voltage Tester
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VAG1594A connector test kit
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VAG1598/31 test box
Test requirements:
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Fuse for valve for camshaft adjustment OK.
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Motronic Engine Control Module (ECM) Power Supply Relay -J271- OK. See: Powertrain Management/Computers and Control Systems/Testing
and Inspection/Component Tests and General Diagnostics/Motronic (ECM) Power Supply Relay -J271- and Activation, Check
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Ignition switched off.
NOTE: Voltage for camshaft adjustment solenoid valves is supplied via Motronic ECM power supply relay.
Procedure
Cylinder bank 2 (left):