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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 2) >> Component/Circuit Diagnosis >> Intake Air Temperature Sensor >> Component Inspection
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Component Inspection

  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 Ohms)

      1 and 2

      Temperature [ deg. C (deg. F)]

      25 (77)

      1.94-2.06

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

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