Engine Coolant Temperature Sensor

Check resistance between engine coolant temperature sensor terminals 1 and 2 as shown in the figure.

Fig 1: Checking Resistance Between Engine Coolant Temperature Sensor Terminals 1 And 2

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

RESISTANCE REFERENCE CHART

Engine coolant temperature °C (°F)]	Resistance (kΩ)
20 (68)	2.1 - 2.9
50 (122)	0.68 - 1.00
90 (194)	0.236 - 0.260

If NG, replace engine coolant temperature sensor.

Fig 2: Resistance And Temperature Characteristic Graph
Courtesy of NISSAN MOTOR CO., U.S.A.