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Home >> Infiniti >> 2013 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0111: IAT Sensor >> Component Inspection

Component Inspection

  1. CHECK INTAKE AIR TEMPERATURE (IAT) SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect mass air flow sensor (bank 1) harness connector.
    3. Check resistance between mass air flow sensor (bank 1) terminals as follows.
      Terminals Condition Resistance (kΩ)
      1 and 2 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) (bank 1). Refer to "EXPLODED VIEW ".

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