Jetta GLX Wagon V6-2.8L (AFP) (2001)
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Check wiring between test box and 4- pin harness connector for open circuit according to wiring diagram.
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Terminal -1- + socket 108
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Terminal -3 + socket 93
Wire resistance: max. 1.5 ohms
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Check wire between test box and 4- pin harness connector terminal -1- for short to wire terminal -3- or to vehicle Ground (GND) according to
wiring diagram.
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Terminal -3- + socket 108
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Terminal -3- + vehicle Ground (GND)
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Specified value: infinity ohms
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Additionally, check both wires for short to battery positive (B+).
Specified value: infinity ohms
If no malfunction is found in wiring:
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Perform resistance measurement on Engine Coolant Temperature (ECT) sensor -G62-, terminal -1- (Ground (GND)) and terminal -3- (signal).