FixVault

Component Function Check

  1. CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect ECT sensor harness connector.
    3. Remove ECT sensor. Refer to Exploded View .
    4. Check resistance between ECT sensor terminals by heating with hot water as shown in the figure.
      G08855388Courtesy of NISSAN NORTH AMERICA, INC.

      ECT sensor

      Condition

      Resistance (k?)

      Terminal

      1

      2

      Temperature [°C (°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

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Proceed to Diagnosis Procedure .