Front Power Window Motor Inspection: Driver-side

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 front door trim. (Driver - side) (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.
   GROUND TERMINAL OPERATION DESCRIPTION
   
   

   B+ Terminal	Ground Terminal	Operation
   E	F	Close
   F	E	Open

   Courtesy of MAZDA MOTORS CORP.

   • If the front power window motor does not operate as indicated in the table, replace it. (See FRONT POWER WINDOW MOTOR REMOVAL/INSTALLATION .)
6. Connect the front power window motor connector.
7. Connect the power window main switch connector. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
8. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
9. Operate the front power window motor and verify the wave patterns for terminals B and C.

Courtesy of MAZDA MOTORS CORP.

• Terminal: B (+), C (+) ↔ ground (-)
• Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
• If the malfunction, replace the front power window motor. (See FRONT POWER WINDOW MOTOR REMOVAL/INSTALLATION .)