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Home >> Mazda >> 2007 >> 6 Mazdaspeed >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System (AJ)) >> Intake Air Temperature (IAT) Sensor Inspection >> Resistance Inspection

Resistance Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the negative battery cable.
  2. Disconnect the MAF/IAT sensor connector.
  3. Measure the resistance between the MAF/IAT sensor terminals D and E using an ohmmeter.
    • If the IAT sensor is okay, but the PID value is out of specification, perform the "Circuit Open/Short Inspection".
    • If not as specified, replace the MAF/IAT sensor. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
      Fig 1: Identifying MAF/IAT Sensor Connector Terminals
      G04325325Courtesy of MAZDA MOTORS CORP.

    Specification 

    RESISTANCE SPECIFICATION

    Ambient temperature (°C {°F}) Resistance (kilohm)
    -20 {-4} 13.6-18.4
    20 {68} 2.21-2.69
    60 (140} 0.493-0.667
    Fig 2: IAT Sensor Characteristics Graph
    G04325326Courtesy of MAZDA MOTORS CORP.
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