2021 Mazda CX-3 AWDFACTORY OEM SERVICE PROCEDURE

Power Window Main Switch Inspection: Notes

NOTE:
  • The power outer mirror switch is built into the power window main switch.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Remove the power window main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
  3. Connect the power window main switch connector.
  4. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  5. Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).
    • If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s) and related wiring harnesses.
      • If the system does not work normally even though the inspection items are normal, replace the power window main switch.
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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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