audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

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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: 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):

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