Engine Coolant Temperature Sensor

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Check resistance between engine coolant temperature sensor terminals 1 and 2 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.

Fig 3: Acceptable Resistance And Temperature Graph
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace engine coolant temperature sensor.