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Home >> Infiniti >> 2008 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VK45DE) - DTC U1000 Through P0153 >> 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 REFERENCE

    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: Identifying Intake Air Temperature Sensor
G04905237Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Engine Coolant Temperature/Resistance Graph
G04874976Courtesy of NISSAN MOTOR CO., U.S.A.