Engine Coolant Temperature Sensor

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

Check resistance as shown in the figure.

Fig 1: Checking Engine Coolant Temperature Sensor Resistance
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Reference Data
Courtesy of NISSAN MOTOR CO., U.S.A.

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