GTI V6-2.8L (BDF) (2002)
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Check wires between test box and 2-pin connector for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohm
Continuation for all vehicles
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Also check wires for short circuit to B+ and Ground (GND).
Specified value: infinite Ohm
If there is no malfunction in wire connection:
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Replace Motronic Engine Control Module (ECM) -J220-.