audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Ignition System > < LED Test Light|Page 5082
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Check wiring for short circuit to GND between intake manifold change-over valve connector terminal 2 and test box socket 3.

If LED does not blink:
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Check wiring for continuity between intake manifold change-over valve connector terminal 2 and test box socket 3.
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Specified reading: maximum 1.0 ohm 

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If necessary, eliminate short circuit to GND or wiring break between intake manifold change-over valve connector terminal 2 and terminal 3 of
ECM connector C.

If there is no wiring break or short circuit:
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Replace ECM.

Ignition System > < LED Test Light|Page 5082