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Front Power Window Motor

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
  2. Remove the inner garnish. (See INNER GARNISH REMOVAL/INSTALLATION .)
  3. Remove the front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION .)
  4. Disconnect the front power window motor connector.
  5. 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
    G10987513Courtesy 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+
  6. Connect the battery positive voltage to front power window motor terminal D and connect terminal C to ground.
  7. Operate the front power window motor and verify the wave patterns for terminals A and B.
    Fig 2: Front Power Window Motor Voltage Wave Pattern
    G10987514Courtesy 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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