Have Honda Questions? Ask a Honda Repair Expert.
Hi Im David, thanks for visiting the site. you mean when selecting defrost no air is coming out ?
ok, Im going to attach a test you can do and you'll be able to see if the mode control actuator is working and going to defrost position and if so then the door linkage might be stuck or binding. if thats the case, the mode door will need replaced.
here you go.