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Home >> Mazda >> 2022 >> 3 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN 7/VIN L) >> 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]. (See PID/DATA MONITOR INSPECTION  .)
  4. Compare the voltage and temperature indications for the PID [IAT2] with the standard in the table indicated below.
Standard

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