2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Front side switch (RF)

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Remove the power window main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
  3. Verify that the resistance between power window main switch terminals A and P is as indicated in the table.
    G13178687Courtesy of MAZDA MOTORS CORP.
    Switch Position Resistance (ohm) Terminal
    Auto Down 445.5-454.5 A-P
    Auto Up 683.1-696.9
    Manual Up 1069.2-1090.8
  4. Verify that the continuity between the power window main switch terminals is as indicated in the table.
    G13560078Courtesy 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:

  • • 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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