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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS U1000 Through P0153 >> DTC P0127: IAT Sensor >> Component Inspection
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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 follows.
      TERMINAL RESISTANCE REFERENCE CHART

      Terminals Condition Resistance
      1 and 2 Temperature °C (°F) 25 (77) 1.800 - 2.200 kΩ

    Is the inspection result normal? 

    YES: INSPECTION END

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