Checking Ground (GND) refeed of valve body
WARNING: This page is about a different variant/trim than selected.
- 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 .