Air will only come from the center vents. It won't change when switched.

Just read this thread and you decide what to do : http://www.toyotanation.com/forum/107-camry-solara-lounge/226877-vent-control-problem-2002-4cyl-camry.html

It sounds like it could be either a broken blend door or a broken cable not moving the door. We would love to help you out with this problem if you would like to give us a call and set up a time to have it looked at so we can give you an estimate on the cost to fix the problem. Stephanie @ Superior Automotive Specialist