Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002)
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Check wiring for open circuit between test box and 4-pin connector using wiring diagram.
Contact 3+socket 55
Contact 4+socket 56
Wire resistance: Max. 1.5 Ohm
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Additionally check wires for short to one another.
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Additionally check wiring for short to battery positive or Ground.
If no malfunction is detected in the wiring:
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Replace engine control module.
