air conditioning recirculation

Hello friends, I tell you that I have this detail that the air conditioning recirculation in my Chevolet Aveo does not turn on, I had problems with the computer but they already changed it and the recirculation of the air conditioning does not work for me could help me or explain what will be the reason in advance thanks

And before changing the ECU it worked

I was working well but an electric burn part of the computer when bridging a climate harness to 12 volts and from that moment the air conditioning, the recirculation, stopped marking fuel and was accelerated