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.

   Terminals	Condition		Resistance (kΩ)
   1 and 2	Temperature [°C (°F)]	20 (68)	2.37 - 2.63
   		50 (122)	0.68 - 1.00
   		90 (194)	0.236 - 0.260

   Fig 1: Checking Engine Coolant Temperature (ECT) 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 ".