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Home >> Mazda >> 2011 >> 3 i SV, 2.0 F >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [LF, L5] >> Intake Air Temperature (IAT) Sensor Inspection
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Intake Air Temperature (IAT) Sensor Inspection

  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [LF, L5] ).
  2. Disconnect the negative battery cable.
  3. Disconnect the MAF/IAT sensor connector.
  4. Measure the resistance between the MAF/IAT sensor terminals D and E using an ohmmeter.
    • If not as specified, replace the MAF/IAT sensor.

      (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION ).

      IAT SENSOR SPECIFICATION

      Ambient temperature (°C {°F}) Resistance (kilohm)
      20{68} 2.21-2.69
      60{140} 0.493-0.667
      Fig 1: Identifying IAT Sensor Connector Terminals
      G07868522Courtesy of MAZDA MOTORS CORP.
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