A6 Sedan V6-2.8L (ATQ) (2000)
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Check the following wire connections for open circuit and short circuit to Ground (GND) and B+:
Harness connector Terminal
VAG1598/31 test box Socket
1
(shielding) 108
2
(Ground -GND-) 90
3
(signal) 82
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Repair open circuit or short circuit if necessary.
If no malfunctions are found in wires:
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Replace Engine Control Module (ECM).