What is the headlight bulb size for a 2001 Camry?

The 2001 Toyota Camry uses a 9006 headlight bulb. This is a very common bulb type and You should be able to find it at most auto parts stores. Headlight bulbs can burn out over time and may need to be replaced just like any other light bulb. When Your headlights are not working the first thing to do is check the fuse to them. If this has any damage on it then that could prevent them from turning on. The next thing to check is the wiring at the headlight housing. You will want to make sure the harness is connected tightly. If it is then the most likely problem is a burnt out bulb that needs to be replaced.