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Home >> Mazda >> 2018 >> CX-5 Sport, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 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 On-board Diagnostic Test .) (See PCM Inspection .)
  4. Compare the voltage and flow rate indications for the PID MAF with the standard in the table indicated below.
VOLTAGE SPECIFICATION - STANDARD

MAF Remarks
V   g/s {lb/min}
Approx. 1.69 0.00 {0.000} Ignition switched ON (engine off)
Approx. 1.89 2.50 {0.331} Idle (after warm up)
Approx. 2.02 3.80 {0.503} Racing (Engine speed: 2, 000 rpm)