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Home >> Nissan-Datsun >> 2019 >> Versa Note S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 3) >> DTC/Circuit Diagnosis >> DTC P0127:IAT Sensor >> Component Inspection

Component Inspection

  1. CHECK INTAKE AIR TEMPERATURE SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect mass air flow sensor harness connector.
    3. Check resistance between mass air flow sensor terminals as per the following.

    Mass air flow sensor

    Condition

    Resistance (kΩ)

    Terminals

    5

    6

    Temperature [°C (°F)]

    25 (77)

    1.800 - 2.200

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace mass air flow sensor (with intake air temperature sensor). Refer to Removal and Installation .