I'm not sure what vents you are talking about, but usually air vents are known to be working if there is air flowing through them.
There is not a fuse that controls the air to your vents in your 2000 Toyota. The vents are controlled by blending doors. The doors open and close to direct air to the desired location.
vacuum leak?
NO.
The heater blower may not be working properly. Without the heater blower working, the air will not come through the vents.
Because the vents are vacuum operated and when u floor it the motor losses vacuum
find the workshop lady's cat, bring it back to her and get the crowbar, go to the factory and pry open the door near the sewage
leave it open all year closing it during the day open at night for ac
There are many places where one can find more information about air vents. One can find more information about air vents by visiting popular on the web sources such as Lowe's and Atlanta Supply.
open the vents, keep the visor open all the way or at least cracked open
The magma gushes out and then it flows every where. The volcano has vents that let air come out. When the vents open steam/ smoke comes out of those vents.
most likely it's a bad thermostat, or your vents not working properly.
The heater may not be on - but the fan still blows air through the vents when they're open !