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Engine Coolant Temperature Sensor

Check resistance between engine coolant temperature sensor terminals 1 and 2 as shown in Fig 1 . See Figure.

Fig 1: Testing ECT Sensor
Courtesy of NISSAN MOTOR CO., U.S.A.

< Reference data >

Fig 2: Reference Data
Courtesy of NISSAN MOTOR CO., U.S.A.
If NG, replace engine coolant temperature sensor.