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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [L3 With TC] >> Intake Air Temperature (IAT) Sensor Inspection >> Resistance Inspection
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Resistance Inspection

  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3 WITH TC] ).
  2. Disconnect the negative battery cable.
  3. Disconnect the MAF/IAT sensor.
  4. Measure the resistance between the MAF/IAT sensor terminals D and E using a tester.
    SPECIFICATION

    Ambient temperature (°C {°F}) Resistance (kilohm)
    20 {68} 2.21-2.69
    60{140} 0.493-0.667
    Fig 1: Identifying MAF/IAT Sensor Connector Terminals
    G07868468Courtesy of MAZDA MOTORS CORP.
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