Checking Ground (GND) refeed of valve body
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Connect test box to control module wiring harness. Refer to Test box, connecting for wiring test
- Check wire between test box sockets 64 + 68 for short circuit to B+ according to wiring diagram.
Specified value: ∞ Ω
- Check wires between test box and 20-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram. Terminal 18 + socket 64
Wire resistance: max. 1.5 Ω
If specified values are obtained:
- Re-connect 20-pin connector.
- Check wires between test box sockets 1 + 64 and 24 + 64 for open circuit according to wiring diagram.
Wire resistance: max. 1.5 Ω
If specified value is not obtained:
- Check internal wires in valve body:
Refer to 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS
If specified value is obtained:
- Check resistances of solenoid valves. Refer to Checking resistance of solenoid valves .