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Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0112, P0113: IAT Sensor >> Component Inspection >> Intake Air Temperature Sensor
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Intake Air Temperature Sensor

  1. Check resistance between mass air flow sensor terminals 5 and 6 under the following conditions.
    MASS AIR FLOW SENSOR TERMINALS RESISTANCE

    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 1: Locating Intake Air Temperature Sensor & Mass Air Flow Sensor
    G02388670Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: DTC P0112, P0113 IAT Sensor - Temperature/Resistance Graph
    G02388671Courtesy of NISSAN MOTOR CO., U.S.A.