2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Power Window System Initialization Procedure

NOTE:
  • If the following operations have been performed, the initial settings are reset, and auto operation is disabled. Therefore, performing the initial setting is necessary.
    • Replace the door-electrical supply unit
    • Manual open/close operation is performed 10 times using power window main switch or power window sub switch without fully closing door glass.
  1. Switch the ignition ON (engine on or off).
  2. Operate the power window main switch or power window sub switch to fully open the door glass for which auto operation is disabled.
  3. Pull up the power window main switch or power window sub switch to the top position to fully close the door glass, and keep holding the switch up at the position for approx. 2 s or more.
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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