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Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS U1000 To P0308 >> 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.
    RESISTANCE SPECIFICATION CHART

    Intake air temperature °C (°F) Resistance kΩ
    25 (77) 1.800 - 2.200
  2. If NG, replace mass air flow sensor (with intake air temperature sensor).
    Fig 1: Checking Resistance Between Intake Air Temperature Sensor Terminals 5 And 6
    G05739386Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: Temperature Vs Resistance Graph
    G05739387Courtesy of NISSAN MOTOR CO., U.S.A.