Passat Sedan 4Motion V6-3.6L (BLV) (2007)
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Disconnect 10-pin connector -5- from Multi-Function Transmission Range (TR) Switch -F125-.
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Check harness connector for contact corrosion and ingress of water.
If harness connector is not OK:
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Repair malfunction and repeat test sequence.
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Erase DTC memory of Transmission Control Module (TCM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If harness connector is OK:
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Check wires to Transmission Control Module (TCM) according to wiring diagram.
Checking wires to Transmission Control Module (TCM)
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Connect test box to control module wiring harness, connect test box for wiring test.
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Check wires between test box and 10-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
Terminal 1 + socket 47
Terminal 3 + socket 1
Terminal 4 + socket 2
Terminal 5 + socket 22
Terminal 7 + socket 10
Terminal 8 + socket 21
Terminal 9 + socket 36
Terminal 10 + socket 28
Wire resistance: max. 3.0 ohms
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Also check wires for short circuit to each other.
Specified value: infinity ohms
If no malfunctions are found in wires:
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Check adjustment of Multi-Function Transmission Range (TR) Switch -F125-, replacing multi-function switch.
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Check adjustment of selector lever cable