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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC P0111: IAT Sensor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK INTAKE AIR TEMPERATURE (IAT) SENSOR

    Check intake air temperature sensor. Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Replace mass air flow sensor (with intake air temperature sensor). Refer to REMOVAL AND INSTALLATION .

  2. CHECK INTERMITTENT INCIDENT

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    INSPECTION END

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