DIY: Unlink A/C from Defroster

[YarisSedan]

Your supose to have ac on with the defroster. Thats how it defrost. By supplimenting the heater by removing the moisture. Otherwise your window will fog up.

[IllusionX]

Originally Posted by CTScott

I just checked the manual and verified on the car that the PTC Heater will run with the blower direction control knob in any position and with any fan level (except off).

great to know... sorry i didn't report back. there is actually a switch when you turn the heat all the way to "max hot".. so i guess it is the PTC heater...

Originally Posted by YarisSedan

Your supose to have ac on with the defroster. Thats how it defrost. By supplimenting the heater by removing the moisture. Otherwise your window will fog up.

Sometimes... it is enough with just hot fresh outside air to defog. I guess i will go ahead and unhook that wire one of those days.