LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2005 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0127: IAT Sensor >> Component Inspection >> Intake Air Temperature Sensor
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Intake Air Temperature Sensor

  1. Check resistance between intake air temperature sensor terminals 5 and 6 under the following conditions.
    RESISTANCE CHECKING CONDITION

    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
    G02388706Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: DTC P0127 IAT Sensor - Temperature/Resistance Graph
    G02388707Courtesy of NISSAN MOTOR CO., U.S.A.