Yes, I believe the motor that tilts it up & down and forward & backward works.
However the one that really adjust the height w/c is the back part or the second motor don't really work. I'm just guessing that it's the motor or maybe something there that is preventing both arms to fold up and down. I've repalced the switch and yet same thing. So I'm inquiring on how to test or how to find out if the motor still good or bad.