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Home >> Mazda >> 2023 >> CX-50 S Select >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VIN M) >> Manifold Absolute Pressure (Map) 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 PIDs MAP_VOLT and MAP. (See PID/DATA MONITOR INSPECTION .)
  4. Compare the voltage and manifold absolute pressure indications for the PIDs MAP_VOLT and MAP with the standard in the table indicated below.
    • If they do not match the standard, perform the voltage inspection. (See VOLTAGE INSPECTION .)
STANDARD SPECIFICATION

MAP_VOLT MAP Remarks
V kPa {kgf/cm2 , psi}
Approx. 4.07 101 {1.03, 14.6} Ignition switched ON (engine off)
Approx. 1.01 25 {0.25, 3.6} Racing (engine speed is 2, 000 rpm)
Approx. 0.81 23 {0.23, 3.3} Racing (engine speed is 4, 000 rpm)