Note: The control unit is integrated in the power window master switch and only controls glass operations on the driver's door.
1. Remove the power window master switch and the armrest pocket on the door panel.
2. Disconnect the 14-pin connector from the main power window switch.
3. Check the connector and socket contacts to make sure they make good contact (drawing).
- If the contacts are bent, loose, or rusted, repair and recheck the system.
- If the pins appear to be OK, perform the following checks on the connector.
- If any of the checks indicate a problem, find and correct the cause, then recheck the system.
- If the input test shows normal, the control unit must be faulty, replace it.