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Component Inspection

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR
    1. Turn ignition switch OFF.
    2. Disconnect engine coolant temperature sensor harness connector.
    3. Remove engine coolant temperature sensor.
    4. Check resistance between engine coolant temperature sensor terminals as follows.

      < Reference data > 

      TERMINALS RESISTANCE REFERENCE

      Terminals Condition Resistance (kΩ)
      1 and 2 Temperature [°C (°F)] 20 (68) 2.1 - 2.9
      50 (122) 0.68 - 1.00
      90 (194) 0.236 - 0.260
      Fig 1: Checking Resistance Between Engine Coolant Temperature Sensor Terminals
      G04886485Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace engine coolant temperature sensor.

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