Jetta Sedan L4-2.0L (BBW) (2005)
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Check wires between test box and 2-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Terminal 2+socket 115
Wire resistance: max. 1.5 Ohms
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Check wires for short circuit to B+ and to Ground (GND).
Specified value: Infinite Ohms
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Check wire between 2-pin connector terminal 1 and Motronic Engine Control Module (ECM) power supply relay -J271- for open circuit according
to wiring diagram
Wire resistance: max. 1.5 Ohms
If resistances and wires are OK.
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Replace Motronic Engine Control Module (ECM) -J220-.