2007 Mazda CX-7 Touring, FWDFACTORY OEM SERVICE PROCEDURE

Barometric Pressure (BARO) Sensor Inspection

NOTE:
  • Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (See HOW TO USE THIS MANUAL ).
  1. Connect the M-MDS to the DLC-2.
  2. Turn the ignition switch to the ON position.
  3. Select BARO on the M-MDS.
  4. Verify that the BARO PID (pressure) and barometric pressure are practically equal.
    • If not as verified, replace the PCM. (See PCM REMOVAL/INSTALLATIONΒ .)
      Fig 1: Identifying DLC-2 Connector
      G04859851Courtesy of MAZDA MOTORS CORP.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.