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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0128 >> 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 (bank 1) harness connector.
    3. Check resistance between mass air flow sensor (bank 1) terminals as per the following.
      TERMINAL RESISTANCE CHART

      Terminals Condition Resistance (kΩ)
      5 and 6 Temperature [°C (°F)] 25 (77) 1.800 - 2.200
      Fig 1: Checking Resistance Between Terminals 5 And 6
      G04925563Courtesy of NISSAN MOTOR CO., U.S.A.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Replace mass air flow sensor (with intake air temperature sensor) (bank 1).