Power Window Motor Inspection: Driver-Side

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
2. Remove the power window main switch. (See POWER WINDOW MAIN SWITCH REMOVAL/INSTALLATION .)
3. Remove the door trim. (Driver-side) (See DOOR TRIM REMOVAL/INSTALLATION .)
4. Disconnect the power window motor connector.
5. Apply battery positive voltage and connect the ground to power window motor terminals G and A, and then inspect the power window motor operation.

   B+ Terminal	Ground	Terminal Operation
   G	A	Close
   A	G	Open

   Courtesy of MAZDA MOTORS CORP.

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

Courtesy of MAZDA MOTORS CORP.

• Terminal: B (+), F (+) ↔ ground (-)
• Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
• If the malfunction, replace the power window motor. (See POWER WINDOW REGULATOR DISASSEMBLY/ASSEMBLY .)