Component Inspection (ECT Sensor)

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 by heating with hot water as shown in the figure below.

   Courtesy of NISSAN NORTH AMERICA, INC.

   ECT sensor		Condition		Resistance
   +	-
   Terminal
   1	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 coolant temperature sensor. Refer to Exploded View .