A4 Sedan L4-1.8L Turbo (AWM) (2001)
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Display
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LED must flash.
If the LED lamp does not flash or if it lights up continuously:
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Connect VAG 1598/31 test box to wiring harness leading to engine control module, engine control module should not be connected:
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Check for open circuit and short to positive or Ground in following wiring connection-
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Repair any open/short circuit as necessary.
If the wiring is OK:
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Replace engine control module.
