2022 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Vehicle Control Module (VCM) Operation Record

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the M-MDS to the DLC-2.
  2. Switch the ignition ON (engine off).
  3. Activate the M-MDS and perform the following procedure.
    1. Press [Start] to start the vehicle identification.
    2. Press the [Toolbox] tab.
    3. Press the [Diagnosis] icon.
    4. Press [Operational records].
    5. Press [i-ACTIVSENSE].
    6. Press [Run] for [Reading Operation records of VCM].
  4. Display the VCM operation records according to the directions on the M-MDS screen.
    • For the operation record content, refer to the [Vehicle Control Module (VCM) Operation Record] in the service highlights/technical information.
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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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