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Home >> Nissan-Datsun >> 2020 >> 370Z Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 2) >> Component/Circuit Diagnosis >> Engine Coolant Temperature Sensor >> Component Inspection
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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 by heating with hot water as shown in the figure, below.
      G08855388Courtesy of NISSAN NORTH AMERICA, INC.

      Terminals

      Condition

      Resistance (k Ohm)

      1 and 2

      Temperature [ deg. C (deg. F)]

      20 (68)

      2.10 - 2.90

      50 (122)

      0.68 - 1.00

      90 (194)

      0.236 - 0.260

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace engine coolant temperature sensor.