I have an old BMW E90 climate control unit, and I want to get it working as a decorative piece with all buttons functional and backlighting illuminated. The code I'm currently using works (the climate control only needs ignition to operate), but it takes two minutes for the backlighting LEDs to turn on. I'm using an Arduino Uno R3 and an MCP2515 CAN module. Could someone modify the code so it works immediately after turning it on?
Code: CANBus-e92_kombi/e90_budiky at main · petr1kk-c/CANBus-e92_kombi · GitHub
That code is for controlling the instrument cluster (speed, RPM etc.) and has nothing to do with climate control.
If you want it to be functional then first you need to search for code that talks to that specific climate control module. If that turns up nothing then post to one of the many car hacking forums. If that doesn’t help then talk to an authorized BMW auto electrician who has access to the proprietary/secret documentation provided by BMW.
