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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [L3 With TC] >> Barometric Pressure (BARO) Sensor Inspection
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Barometric Pressure (BARO) Sensor Inspection

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition to ON.
  3. Verify that the voltage (M-MDS PID: BARO) within the specification. (See PCM INSPECTION )
    NOTE:
    • Because the PCM is integrated in the BARO sensor, replacing the BARO sensor includes replacement of the PCM.
    • If not as specified, replace the PCM. (See PCM REMOVAL/INSTALLATION ).
    Fig 1: Identifying DLC-2
    G07868471Courtesy of MAZDA MOTORS CORP.