A8L V8-4.2L (BFM) (2004)
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Check wire connection from 4-pin connector at ignition coil or power output stage ....
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.... to Engine Control Module (ECM) for wiring open circuit as well as short circuit to B+ and to Ground (GND).
4-pin connector of ignition coil and
Terminal at
power output stage Terminal 3
V.A.G1598/31 test box
Cyl. 1
102
Cyl. 2
7
Cyl. 3
111
Cyl. 4
94
Cyl. 5
103
Cyl. 6
110
Cyl. 7
8
Cyl. 8
95
Wire resistance: max. 1.5 Ohms
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Repair open circuit in wiring or short circuit if necessary.
If no malfunctions are found in wires:
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Replace the combined component, ignition coil with power output stage.
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Read readiness code. If DTC memory was erased, readiness code must be generated again.