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.

Reference data

RESISTANCE CONDITION

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