Checking wiring
- Connect test box to control module wiring harness. See CONNECT TEST BOX FOR WIRING TEST .
- Check wires between test box and 5-pin connector for open circuit according to wiring diagram.
Terminal 2+socket 102
Terminal 3 + socket 94
Terminal 4 + socket 103
Wire resistance: max: 1.5 Ω
- Also check wires for short circuit to each other.
Specified value: INFINITY Ω
If no malfunctions are found in the wires and there was voltage between terminal 1 + 5:
- Replace Engine Control Module (ECM). See REPLACING ENGINE CONTROL MODULE (ECM) .