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Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (L3 With TC) >> Intake Air Temperature (IAT) Sensor INSPECTI0N >> Resistance Inspection
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Resistance Inspection

NOTE:
  • Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS MANUAL .)
  1. Disconnect the MAF/IAT sensor.
  2. Measure the resistance between the MAF/IAT sensor terminals D and E using a tester.
    AMBIENT TEMPERATURE AND RESISTANCE SPECIFICATION

    Ambient temperature (°C {°F}) Resistance (kilohm)
    20 {68} 2.21-2.69
    60 {140} 0.493-0.667
    Fig 1: Identifying Intake Air Temperature Sensor Connector Terminals
    G04955329Courtesy of MAZDA MOTORS CORP.