RS 6 V8-4.2L Turbo (BCY) (2003)
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Check for short to Ground in following wiring:
2-pin connector at wiring
Test box V.A.G 1598/31,
harness, socket
socket
2
64
If diode test lamp does not flash:
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Check for short to positive/open circuit in following wiring.
2-pin connector at wiring
Test box V.A.G 1598/31,
harness, socket
socket
2
64
Resistance: max. 1.5 Ohm
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Eliminate Ground connection/open circuit in wiring if necessary.
If there is neither an open circuit in the wiring nor a short circuit:
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Replace Motronic Engine Control Module (ECM) -J220-.