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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0430 >> DTC P0127: IAT Sensor >> Component Inspection >> Intake Air Temperature Sensor
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Intake Air Temperature Sensor

  1. Check resistance between intake air temperature sensor terminals 5 and 6 under the following conditions.
    Fig 1: Identifying Intake Air Temperature Sensor
    G02372788Courtesy of NISSAN MOTOR CO., U.S.A.

    < Reference data > 

    INTAKE AIR TEMPERATURE REFERENCE DATA >

    Intake air temperature °C (°F) Resistance kΩ
    25 (77) 1.94-2.06
  2. If NG, replace mass air flow sensor (with intake air temperature sensor).
    Fig 2: Intake Air Temperature Graph
    G02372789Courtesy of NISSAN MOTOR CO., U.S.A.