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Home >> Mazda >> 2020 >> 6 Signature >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN Y) >> Intake Air Temperature (IAT) Sensor Inspection >> IAT Sensor No. 1 >> 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 PID IAT. (See ON-BOARD DIAGNOSTIC TEST (VIN Y) .) (See PCM INSPECTION (VIN Y) .)
  4. Compare the voltage and temperature indications for the PID IAT with the standard in the table indicated below.

Standard 

IAT SENSOR VOLTAGE SPECIFICATION

IAT
V °C {°F}
Approx. 2.70 20 {68}
Approx. 1.80 40 {104}
Approx. 1.20 60 {140}