LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2007 >> FX45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0159 (VK45DE) >> DTC P0127 IAT Sensor >> Component Inspection >> Intake Air Temperature Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 NORTH AMERICA, INC.
Fig 2: Engine Coolant Temperature/Resistance Graph
G04874976Courtesy of NISSAN NORTH AMERICA, INC.