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Front Power Window Motor

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the power window main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
  3. Remove the inner garnish.
  4. Remove the front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION .)
  5. Disconnect the front power window motor connector.
  6. Apply battery positive voltage and connect the ground to front power window motor terminals E and F, and then inspect the front power window motor operation.
    Fig 1: Front Power Window Motor Circuit Diagram
    G09787568Courtesy of MAZDA MOTORS CORP.
    • If the front power window motor does not operate as indicated in the table, replace it.
    OPERATION TERMINAL
    E F
    Close B+ Ground
    Open Ground B+
  7. Connect the front power window motor connector.
  8. Connect the power window main switch connector. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
  9. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  10. Operate the front power window motor and verify the wave patterns for terminals A and B.
    Fig 2: Front Power Window Motor Wave Patterns
    G12237399Courtesy of MAZDA MOTORS CORP.
    • Terminal: A, B (+) ground (-)
    • Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
    • If the malfunction, replace the front power window motor.
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