Component Inspection

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COOLANT TEMPERATURE SENSOR

Turn power switch OFF.
Disconnect coolant temperature sensor harness connector.
Remove coolant temperature sensor.
Check resistance between coolant temperature sensor terminals by heating with hot water as shown in the figure.

RESISTANCE REFERENCE CHART

Terminals	Condition		Resistance
1 and 2	Temperature [°C (°F)]	20 (68)	2.35 - 2.73 kΩ
		50 (122)	0.68 - 1.00 kΩ
		90 (194)	0.236 - 0.260 kΩ

Fig 1: Checking Resistance Between Coolant Temperature Sensor Terminals

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

Is the inspection result normal?

YES: INSPECTION END

NO: Replace coolant temperature sensor.