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Home >> Nissan-Datsun >> 2020 >> Titan SL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 9) >> DTC/Circuit Diagnosis >> DTC P0111: IAT Sensor >> Component Function Check

Component Function Check

  1. CHECK INTAKE AIR TEMPERATURE (IAT) SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect mass air flow sensor harness connector.
    3. Check resistance between mass air flow sensor terminals as follows.

      Terminals

      Condition

      Resistance (k Ohm)

      1 and 2

      Temperature [deg. C (deg. F)]

      25 (77)

      1.94-2.06

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .