Component Inspection

1. Turn ignition switch OFF.
2. Disconnect ECT sensor harness connector.
3. Remove ECT sensor. Refer to "COMPONENT PARTS LOCATION ".
4. Check resistance between ECT sensor terminals by heating with hot water as shown in the figure.

Fig 1: Checking Engine Coolant Temperature Sensor

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace ECT sensor. Refer to "COMPONENT PARTS LOCATION ".