Does anyone have, or have had and rectified a problem like mine, i cannot get the demister to work.........the two buttons on top of the heater control pod do the same thing, when either one is pressed it engages the clutch on the aircon pump is this right?

When DEF is pressed the vents do not change the direction of the air to the screen, but does engage as i said the clutch on the Aircon pump, so when the car is warm there is lovely warm air being blasted out at demist speed but not at the screen, but then it eventally gets artic.........on AUTO the aircon works as it should, basically my problem is that the "gates", "paddles" or whatever you call them within the ducting arn't operating correctly.

Could it be that there is a dodgy earth at the aircon pump?

a fuse?

or the wiring at the vents?

 

Its Sunday, cold and horrible, the car is my daily driver, an i dont really want to pull the dash apart unless i have too

 

please help...........

 

Stu

both buttons will put aircon on. press econ to swithch off, so act as normal heater.

unfortunately everything else is automatic. so it controls distribution/ speed of fan if left on auto. you can over ride the speed with the high/ low buttons but distribution is always automatic, except when you press dmist then it should swithch aircon on and direct at screen! if it does not then something is wrong with motors on padels as you say!

The direction can be changed by a program like consult, cant remember its name now but it is all adjustable..

Try this

 

http://www.ttzd.com/

 

Under : Auto Climate Control Diagnostics:

 

might be of some help

 

Maz

That is useful.

what can i say, thanks for the replies guys

Brilliant bit of info

 

Does anyone know if you can wire up the series 2 controls to a series 1 to allow manual selecton of screan, face, feet or any combination of as you can with the series 2

Brilliant bit of info

 

Does anyone know if you can wire up the series 2 controls to a series 1 to allow manual selecton of screan, face, feet or any combination of as you can with the series 2

 

Yep, you ust need to replace the Aircon ECU as well, which is under the dash to the left of the clutch pedal box. Its a black box plastic box about 10"x5" with a small silver&green (I think) sticker on it. Its held in a metal frame with 2 small screws