Thanks for the reply, Apologies I have changed the maker from toyota to mitshubishi, my mistake we bought froma toyota dealer in our area.
It is a uk model not an import. The heating controls did work before and never felt sloppy. The fan speed side works ok its the control for the direction of the flow of air thats the issue, the one thats can be directed on to the windscreen, I could have left alone as the car would still heat up but if it rains I could have issues trying to demist the windscreen.
Yeah, I've had what you are experiencing, but it was after I messed about removing the heater box. The cables get twisted (like pushbike brake cables), and make the mechanism stick, sometimes, it can be caused by a passenger kicking under the glovebox, and catching a cable with their foot by accident, which incidentally, is the best place to strip the dash down if required, as most of the dash will probably need to come out to fix it(!)
So tuck your head under the glovebox, see if you see any cables that I describe, if not, remove 2 /4 bolts holding glovebox on (beware any airbags in the area!), then after that trial and error, any cables identified, squirt with WD40, while operating heater control, and twist, try to reroute those cables at the same time.
Got to be one of the most boring, long winded and difficult jobs to sort on a car, a jamming heater control, working upside down in limited space. So good luck!
Although obviously, there might be a totally different answer, such as a lolly stick fell into the screen vent, and putting the blower on max, blows it out!
