Radiator Coolant Temperature Sensor

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Checking Resistance Between Radiator Coolant Temperature Sensor Terminals 1 And 2
Courtesy of NISSAN MOTOR CO., U.S.A.

< Reference data >

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

Fig 3: Reference Data Graph
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
If NG, replace radiator coolant temperature sensor.