Allroad Quattro V8-4.2L (BAS) (2004)
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Connect up voltage tester VAG 1527 B as follows.
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Briefly operate starter.
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LED must light
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Switch ignition off.
If LED does not light:
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Use wiring diagram to check for open circuit in wiring from contact 1 of connector via fuse to fuel pump relay.
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Use wiring diagram to eliminate open circuit in wiring.
If LED lights:
Checking actuation
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Vehicle diagnostic, testing and information system VAS 5051 connected up; vehicle self-diagnosis and vehicle system "01 Engine electronics"
selected. Ignition must be on.
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Connect voltage tester V.A.G. 1527 B to contacts 1 (positive) and 2 of connector.
Indicated on VAS 5051:
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From list -1- select diagnostic function "03- Final control diagnosis".
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Touch > key, until Valve -1- for camshaft adjustment -N205- is activated.
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LED must flash
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Touch > key again, until Valve -2- for camshaft adjustment -N208- is activated.
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LED must flash
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Terminate function "03- Final control diagnosis" by touching < key.
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Switch ignition off.
If LED does not flash or if it is permanently lit:
