Multi-Function Transmission Range (TR) Switch, Checking

Multi-Function Transmission Range (TR) Switch, Checking

Recommended special tools and equipment
- V.A.G 1526 multimeter or V.A.G 1715 multimeter
- V.A.G 1594 connector test kit
- Wiring diagram

Test requirements
- Selector lever must be in -P- position.
- Ground (GND) connections to transmission must be OK.
- Ignition switched off.

Checking wiring

- Connect test box to control module wiring harness.

- Disconnect 8-pin connector from Multi-Function Transmission Range (TR) Switch -F125-.

Vehicles > 08.99

- Check wires between test box and 8-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
Terminal 1 + socket 63
Terminal 2 + socket 40
Terminal 3 + socket 1
Terminal 5 + socket 23
Terminal 6 + socket 62
Terminal 7 + socket 18
Wire resistance: max. 1.5 ohms

Continue for all vehicles

- Check wires for short circuit to each other.
Specified value: infinite ohms

If no malfunctions are found in wires:
- Check adjustment of selector lever cable.

- Erase DTC memory of Transmission Control Module (TCM).
- Generate readiness code.

If no malfunctions are detected in the wires and the selector lever cable adjustment OK:
- Replace Multi-Function Transmission Range (TR) Switch -F125-.

- Erase DTC memory of Transmission Control Module (TCM).
- Generate readiness code.