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IAT Sensor Resistance Inspection

Disconnect the MAF/IAT sensor connector.
Measure the resistance between MAF/IAT sensor terminals A and F using an ohmmeter.
- If not as specified, replace the MAF/IAT sensor.
- If the IAT sensor is okay, but the IAT PID is out of specification, perform IAT Sensor Circuit Open/Short Inspection .
  Specifications
  
  Fig 1: Specifications Table
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Intake Air Temperature Sensor Resistance Graph
  Courtesy of MAZDA MOTORS CORP.