Principle of Operation: Notes
The control unit of the instrument cluster incorporates certain functions over and above the display and indication functions, namely:
- Lighting of the instrument cluster
- Dimming of the instrument cluster
- High and low-voltage detection for the instrument cluster
- Heating and contrast for the LCD display
- On-board computer functions
- Check-Control messages
- Pre-drive check
- Condition Based Service (CBS)
- Vehicle identification check