Component Inspection

1. Turn ignition switch OFF.
2. Disconnect engine coolant temperature sensor harness connector.
3. Remove engine coolant temperature sensor.
4. Check resistance between engine coolant temperature sensor terminals as per the following.
   TERMINAL RESISTANCE CHART
   
   

   Terminals	Condition		Resistance (kΩ)
   1 and 2	Temperature [°C (°F)]	20 (68)	2.1 - 2.9
   		50 (122)	0.68 - 1.00
   		90 (194)	0.236 - 0.260

   Fig 1: Checking Engine Coolant Temperature Sensor

   Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace engine coolant temperature sensor.