Wiring diagram of the blower motor speed regulator - xantia

atr · Unread post by **atr** » 09 Oct 2010, 05:39

Hi
I would like to get the wiring diagram of the elctronic circuit that regulates the speed of the blower motor. does anybody have it or can tell me if and where should I try to look for it?
Thanx for your help.

Unread post by **CitroJim** » 09 Oct 2010, 07:31

Tis is the circuit of the module itself...

atr · Unread post by **atr** » 09 Oct 2010, 08:31

Thanks CitroJim, you are great! one question please. what TDRV stands for?
Thanx.

Unread post by **CitroJim** » 09 Oct 2010, 20:54

TRDV is the drive signal from the aircon ECU.

This thread shows the voltages present on this pin under different conditions. There is also a circuit of the complete A/C setup in that thread.