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Home >> Nissan-Datsun >> 2005 >> Sentra Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System (QG18DE) >> 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
    G02449834Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: IAT Sensor Temperature Versus Resistance Graph
    G02449835Courtesy of NISSAN MOTOR CO., U.S.A.
    IAT SENSOR RESISTANCE/TEMPERATURE SPECIFICATIONS

    Intake air temperature °C (°F) Resistance kΩ
    25(77) 1.9 - 2.1
  2. If NG, replace mass air flow sensor (with intake air temperature sensor).