Engine Coolant Temperature Sensor

Check resistance as shown in the figure.

Fig 1: Checking Engine Coolant Temperature Sensor

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

< Reference Data > 

Fig 2: Reference Data Chart

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

If NG, replace engine coolant temperature sensor.

Fig 3: Acceptable Resistance And Temperature Graph

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