Front Power Window Motor Inspection: Driver-side

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. 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.
   Fig 1: Connecting Ground To Front Power Window Motor Terminals E And F

   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 battery positive voltage to front power window motor terminal A and connect terminal D to ground.
7. Operate the front power window motor and verify the wave patterns for terminals B and C.

Fig 2: Front Power Window Motor Wave Patterns

Courtesy 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. (See FRONT POWER WINDOW MOTOR REMOVAL/INSTALLATION .)