A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Release spring catch securing 10-pin connector -2- to connector to multi- function TR switch.
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Check at connector with spring clips (cavities) to Transmission Control Module (TCM)
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Pin assignment for 10 - pin connector of multi-function (TR) switch -F125- (cavities to TCM)
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Use multi-meter VAG1526A or Vehicle Diagnosis, Measuring and Information System VAS 5051
Voltage measurement: switch multimeter to 20 V measuring range
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If the specified value is not read, check fuses and wiring connectors according to wiring diagram and make necessary repairs.
NOTE: If the check results and the voltage supply to the multi-function TR switch were OK, check wiring connections from Transmission Control
Module (TOM) -J217- to Multi-function Transmission Range (TR) switch -F125-.
3. Wiring from Transmission Control Module (TCM) -J217- to Multi-function Transmission Range (TR) switch -F125- (10-pin connector),
checking
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Switch off ignition.