the fan blows but the heat doesnt come through
This is not a fuse issue. Likely the heater core is plugged.. OR - has no hot water supply to because of the valve in the supply hose is stuck.
Just pondering.... a 2010? or was that a typo?
Looking for a Used Corolla in your area?
CarGurus has 67,100 nationwide Corolla listings starting at $1,295.
Search Toyota Corolla Questions
Toyota Corolla Experts