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
- Respective fuses must be OK.
- Instrument Cluster Control Module -J285- must be OK.
- Battery voltage must be at least 11.5 volts.
- All electrical consumers such as: lights and rear window defroster must be switched off.
- Parking brake must be engaged or else day time driving lights will be switched on.
- Selector lever must be in -P- position.
- Ground (GND) connections to transmission must be OK.
Function test
- Switch ignition on.
- Depress brake pedal and maintain depressed.
- Shift into all selector lever positions.
- Selector lever position must correspond to display of Instrument Cluster Control Module -J285-.
- Switch ignition off.
If selector lever position does not correspond to display of Instrument Cluster Control Module -J285-:
Vehicles with 01M transmission
- Disconnect connector from Multi-Function Transmission Range (TR) Switch -F125-
Vehicles with 09G transmission
- Disconnect connector -2- from Multi-Function Transmission Range (TR) Switch -F125-
Continue for all vehicles
Observe safety precautions.
- Check harness connector for contact corrosion and ingress of water.
If harness connector is not OK:
- Repair malfunction and repeat test sequence.
- Erase DTC memory of Transmission Control Module (TCM). Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
If harness connector is OK:
- Check wires to Transmission Control Module (TCM) according to wiring diagram.
Checking wires to Transmission Control Module (TCM)
- Connect test box to control module wiring harness. connect test box for wiring test.
Vehicles with 01M transmission
- 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 18
Terminal 6 + socket 62
Terminal 7 + socket 23
Wire resistance: max. 1.5 Ohms
Vehicles with 09G transmission
- 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
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:
Vehicles with 01 M transmission
- Check adjustment of selector lever cable:
Vehicles with 09G transmission
- Check adjustment of Multi-Function Transmission Range (TR) Switch -F125-.
- Check adjustment of selector lever cable.
Continue for all vehicles
- Erase DTC memory of Transmission Control Module (TCM). Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
If no malfunctions are detected in wires and adjustments of selector lever cable and Multi-Function Transmission Range (TR) Switch are OK:
- Replace Multi-Function Transmission Range (TR) Switch -F125-.
- Erase DTC memory of Transmission Control Module (TCM). Diagnostic mode 4: Reset/erase diagnostic data.
- Generate readiness code. Monitors, Trips, Drive Cycles and Readiness Codes