2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Clearing DTC

  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off or on).
  3. Perform the following procedure using the M-MDS.
    1. Press [Start] for the vehicle identification.
    2. Press the [Quick Check] tab.
    3. Select the following icon.
    G14587587Courtesy of MAZDA MOTORS CORP.
  4. Clear DTCs following the instructions on the screen.
    NOTE:
    • When clearing a DTC, information such as the freeze frame data/snapshot data, pending code will be also cleared, therefore it is necessary to jot down the required information in advance.
    • When clearing the DTC, a quick check is performed automatically.
  5. From the results of a quick check, verify that a DTC is not displayed.
  6. Switch the ignition off.
  7. Switch the ignition ON (engine off or on) and wait for 10 s or more.
    NOTE:
    • Additional driving may be required based on the differences in the module specifications and the preconditions for DTC troubleshooting execution. Implement the repeatability verification procedure indicated for each DTC if necessary.
  8. Perform the on-demand self test and verify that no DTCs are displayed. (See DTC INSPECTION .)
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:

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

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