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Rear 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 subswitch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)
  3. Remove the rear door trim. (See REAR DOOR TRIM REMOVAL/INSTALLATION .)
  4. Disconnect the rear power window motor connector.
  5. Apply battery positive voltage and connect the ground to rear power window motor terminals E and F, and then inspect the rear power window motor operation.
    Fig 1: Rear Power Window Motor Circuit Diagram
    G09787570Courtesy of MAZDA MOTORS CORP.
    • If the rear power window motor does not operate as indicated in the table, replace it.
    OPERATION TERMINAL
    E F
    Close B+ Ground
    Open Ground B+
  6. Connect the rear power window motor connector.
  7. Connect the power window subswitch connector. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)
  8. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  9. Operate the rear power window motor and verify the wave patterns for terminals A and B.
    Fig 2: Rear 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 rear power window motor.
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