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Home >> Infiniti >> 2010 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC U0164 Through P0181 >> 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 (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).

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