Component Inspection

1. Turn ignition switch OFF.
2. Disconnect engine oil temperature sensor harness connector.
3. Remove engine oil temperature sensor.
4. Check resistance between engine oil temperature sensor terminals by heating with hot water as shown in the figure.
   TERMINALS RESISTANCE REFERENCE
   
   

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

Is the inspection result normal? 

YES: INSPECTION END

NO: Replace engine oil temperature sensor.

Fig 1: Checking Resistance Between Engine Coolant Temperature Sensor Terminals

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