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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> 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 3 and 5 under the following conditions.
    Fig 1: Identifying Intake Air Temperature Sensor
    G00795788Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Inspecting Condition Chart
    G00795789Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Inspecting Condition Reference Graph
    G00795790Courtesy of NISSAN MOTOR CO., U.S.A.
  2. If NG, replace mass air flow sensor (with intake air temperature sensor).