Component Function Check

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

Fig 1: Checking Engine Coolant Temperature Sensor

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal? 

YES: GO TO 2.

NO: Proceed to "DIAGNOSIS PROCEDURE ".

Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

YES: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".