Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002)
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Pull 4 pin connector off Engine Coolant Temperature (ECT) sensor (G62) with coolant temperature gauge sender (G2) -arrow-.
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Check wiring between test box and 4-pin connector for open circuit using wiring diagram.
Contact 3+socket 93
Contact 4+socket 108
Wire resistance: Max. 1.5 Ohm
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Check wiring between test box and 4-pin connector contact 3 for short circuit to wire contact 4 and to vehicle Ground (GND) using wiring
diagram.
Contact 3+socket 108
Contact 3+vehicle Ground (GND)
Specification: Infinity Ohm
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Additionally check both wires for short to battery positive.
If no fault in wire is detected:
