Jetta V6-2.8L (BDF) (2002)
If the specified values are not obtained:
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Check wiring between 4-pin harness connector terminals 1 and 2 to central electrics using wiring diagram.
If the specified values are obtained:
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Remove wiper arms and plenum chamber cover.
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Connect VAG1598/31 test box to Engine Control Module (ECM) wiring harness. Engine Control Module (ECM) is not connected by this action.
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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 -3- + socket 55
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Terminal -4- + socket 56 Wire resistance: max. 1.5 ohms
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Additionally, check wires for short to one another.
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Additionally, check wiring for short to battery positive (B+) or Ground (GND).