For example: warning light «STOP» and the coolant overheating warning light or two types of warnings: one warning on the central multifunction display, the other in the form of an audible signal emitted by the buzzer under the steering wheel.
ECU (electronic control unit) The instrument cluster communicates with other computers and has self-diagnosis functions.
Controls:
1 - instrument cluster (indicating instruments, liquid crystal display, signaling devices and indicators);
2 - multifunctional display (warnings, information, etc.);
3 - control panel of the air conditioner;
4 - buzzer integrated into the switching module under the steering wheel.
Alarm Priority Levels
Alert presentation control is determined by the priority level, whatever the informational support (except for the specific case of displaying windows on the multifunction display).
Priority levels are managed by «intellectual» vehicle switching unit (BSI1), which allows you to introduce a classification between different types of information processed by the following two information supports:
- multifunctional display;
- buzzer integrated in the switching module under the steering wheel.
Note. A high-level warning interrupts a lower-level warning. The low-level warning continues to be output after the end of the high-level warning output cycle. Warnings of the same priority level appear one after the other.