CAN Bus Climate control - GSM-Forum

DzAnej · 03-29-2018, 17:37

I am working on a project in my car - installing a tablet as a head unit (radio, navigation, rear camera, climate control, ...) I am now trying to connect the climate control to the tablet via a microcontroller. I've heard that you can manipulate the climate control settings via the CAN bus. I'am now wondering if this is also possible in my car (AUDI A3 2004)? I've tried to capture some data on the CAN bus with an oscilloscope by connecting to the OBD2 port - pin 14 (CAN High) and 6 (CAN low) but there was no data there... Do I need to send some initial data to start the communication?
p.s. I am doing all this because the tablet display is verry large and is overlapping the climate controlls.

03-29-2018, 17:37	#1 (permalink)
DzAnej Junior Member Join Date: Mar 2018 Posts: 1 Member: 2825675 Status: Offline Thanks Meter: 0	CAN Bus Climate control I am working on a project in my car - installing a tablet as a head unit (radio, navigation, rear camera, climate control, ...) I am now trying to connect the climate control to the tablet via a microcontroller. I've heard that you can manipulate the climate control settings via the CAN bus. I'am now wondering if this is also possible in my car (AUDI A3 2004)? I've tried to capture some data on the CAN bus with an oscilloscope by connecting to the OBD2 port - pin 14 (CAN High) and 6 (CAN low) but there was no data there... Do I need to send some initial data to start the communication? p.s. I am doing all this because the tablet display is verry large and is overlapping the climate controlls.