the passenger side window and the sunroof stoped working but the driver side is on 1999 Acura CL
each window has it's own motor and regulator.
1 more answer
Check the regulator motor for operation. If your getting power to the motor and it does nothing the motor would be bad. If your not getting power check the fuse and track the power scematic for it. If you dont know how to do that have an electrical mechanic check it out.