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Home >> Mazda >> 2023 >> CX-50 S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN M) >> Mass Air Flow (MAF) Sensor Inspection >> 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 MAF. (See PID/DATA MONITOR INSPECTION .)
  4. Compare the voltage and flow rate indications for the PID MAF with the standard in the table indicated below.
STANDARD SPECIFICATION

MAF Remarks
V g/s {lb/min}
Approx. 1.69 0.00 {0.000} Ignition switched ON (engine off)
Approx. 2.13 5.26 {0.696} Racing (engine speed is 2, 000 rpm)
Approx. 2.46 10.44 {1.381} Racing (engine speed is 4, 000 rpm)