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Home >> Mazda >> 2024 >> 3 S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN Y) >> Intake Air Temperature (IAT) Sensor Inspection >> IAT Sensor No. 2 >> Function inspection
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Function inspection

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Display the PCM PID [IAT2]. (Refer to [PID/DATA MONITOR INSPECTION ] in the troubleshooting information.) (Refer to [PID/DATA MONITOR TABLE [PCM (SKYACTIV-G 2.5T)] ] in the troubleshooting information.)
  4. Compare the voltage and temperature indications for the PID [IAT2] with the standard in the table indicated below.
    • If they do not match the standard, perform the resistance inspection. (See RESISTANCE INSPECTION .)
      IAT SENSOR SPECIFICATIONS (STANDARD)

      IAT2
      V °C {°F}
      Approx. 3.57 20 {68}
      Approx. 2.70 40 {104}
      Approx. 1.87 60 {140}
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