audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

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Connect voltage tester VAG 1527 B with measuring probes and plug-in adapters from VAG 1594 A between terminal 2 (CMP sensor signal) and
terminal 1 (positive); connector remains plugged in.

NOTE:  Receptacles are numbered accordingly on the back of the connector.

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Operate starter for a few seconds.
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LED should flash.

NOTE:  Voltage testers with a low current consumption continue to glow faintly between actuation from the engine control module (rather than
extinguishing completely) and become much brighter when actuated.

If LED does not flash:

Checking power supply

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Disconnect connectors -1- and -2- on Camshaft Position (CMP) sensor -G40- and Camshaft Position (CMP) sensor 3 -G300-.

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Disconnect connectors -1- and -2- on Camshaft Position (CMP) sensor 2 -G163- and Camshaft Position (CMP) sensor 4 -G301-.

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