[Solved] Why doesn't the horn in Opel Astra H work? No errors in CIM.

Hello... This topic has already been covered, but I have a completely different case. Everything works except the horn, steering wheel roller etc. everything works. There is no difference whether with or without traffic lights, etc., as in other cases. In the test on the computer, the horn works, there are no errors in CIM. CIM replaced with a 100% functional one, programmed and exactly the same, everything works except the horn. Does anyone have an idea where else to look for the problem?

Has the car been serviced at the dealership?


Does the horn work after dimming the dashboard illumination?

No, and what does it have to do with the fact that I replaced the CIM with a working one and there is no horn? So the problem lies somewhere else. The horn does not work in any combination with the lights, dimming, etc. It only works during the test.

Added after 1 [hour] 35 [minutes]:

Does anyone have a diagram of how exactly the horn is controlled?

kanar2306 wrote:

I replaced the CIM with a functional one and there is no horn?

Thin wires to the horn button checked?

It turned out that one path was broken in the board on the right side of the steering wheel, where the radio volume is located (the wires from the horn go there). The path has been corrected and the horn is back.