Engine Coolant Temperature Sensor

Check resistance as shown in the figure.

Fig 1: Checking Resistance

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

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Fig 2: Voltage And Rasistance Specification Chart

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

If NG, replace engine coolant temperature sensor.

Fig 3: Temperature Graph

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