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Home >> Nissan-Datsun >> 2004 >> Altima Base, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System - 2.5L >> 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.
    TESTING CONDITION DESCRIPTION

    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).
    Fig 1: Identifying Mass Air Flow Sensor
    G02884304Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Identifying Resistance & Temperature Graph
    G02884305Courtesy of NISSAN MOTOR CO., U.S.A.