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Home >> Mazda >> 2009 >> 5 Sport, 2.3 L, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3) >> Intake Air Temperature (IAT) Sensor Inspection [L3] >> Resistance Inspection

Resistance Inspection

  1. Disconnect the mass air flow sensor connector.
  2. Verify that the resistance between MAF sensor terminals D and E is within the specification.
    • If the monitor item status/specification (reference) is not within the specification, even though the IAT sensor resistance is within the specification, perform the "Circuit Open/Short Inspection".
    • If not within the specification, replace the MAF sensor.

      Standard 

      AMBIENT TEMPERATURE AND RESISTANCE SPECIFICATION

      Ambient temperature (°C{°F}) Resistance (kilohm)
      -20 {-4.0} 13.6-18.4
      20 {68} 2.21-2.69
      60 {140} 0.493-0.667
      Fig 1: Identifying Intake Air Temperature Sensor Connector Terminals
      G05543227Courtesy of MAZDA MOTORS CORP.
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