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Home >> Mazda >> 2021 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 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_V and MAP. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 2.0)] .)

    (See PCM INSPECTION .)

  4. Compare the voltage and manifold absolute pressure indications for the PIDs MAP_V and MAP with the standard in the table indicated below.

Standard 

MAP_V MAP Remarks
V kPa {kgf/cm2 , psi}
Approx. 4.04 100 {1.02, 14.5} Ignition switched ON (engine off)
Approx. 1.40 35 {0.36, 5.1} Idle (after warm up)
Approx. 1.01 26 {0.27, 3.8} Racing (Engine speed: 2, 000 RPM)