Checking wiring

Checking wiring
- Connect test box to control module wiring harness, connect test box for wiring test.





- Check wires between test box and 2-pin connector for open circuit according to wiring diagram.
Terminal 1+socket 93
Terminal 2+socket 108
Wire resistance: max. 1.5 Ohms

- Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.

Specified value: Infiniti Ohms

- Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. Refer to Diagnostic Mode 4: Reset/Erase Diagnostic Data.
- Generate readiness code.

If no malfunctions are found in wires:
- Replace Engine Coolant Temperature (ECT) Sensor -G62-.

WARNING!
- The cooling system is under pressure.
- Danger Of scalding when opening!

- Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. Refer to Diagnostic Mode 4: Reset/Erase Diagnostic Data.
- Generate readiness code. Refer to Readiness Code, Generating.

If no malfunctions are detected in the wires and the resistance values are OK:
- Replace Motronic Engine Control Module (ECM)-J220.