Front Power Window Motor Inspection: Passenger-side
WARNING: This page is about a different car, the 2021 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Remove the front door trim. (Passenger- side) (See FRONT DOOR TRIM REMOVAL/INSTALLATION .)
- Disconnect the front power window motor connector.
- 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.
B+ Terminal Ground Terminal Operation E F Close F E Open - If the front power window motor does not operate as indicated in the table, replace it. (See FRONT POWER WINDOW MOTOR REMOVAL/INSTALLATION .)
- Connect the front power window motor connector.
- Connect the power window sub switch connector. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION .)
- Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
- Operate the front power window motor and verify the wave patterns for terminals B and C.
- 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 .)