A4 Quattro Wagon V6-2.8L (AHA) (1998)
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Pin assignment for 8 - pin connector of multi-function (TR) switch -F125- (to TCM)
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Use multi-meter VAG1526A or Vehicle Diagnosis, Measuring and Information System VAS5051
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 (TCM) -J217- to Multi-function Transmission Range (TR) switch.
3. Wiring from Transmission Control Module (TCM) -J217- to Multi-function Transmission Range (TR) switch -F125- (8-pin connector),
checking
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Switch off ignition.
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Disconnect connector from TCM -J217-, located in front of right seat under the cover in the footwell.
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Connect test box VAG 1598/20 to harness connector.