Message to other control units
If the restraint systems trigger, the MRS control unit sends a message to other equipment attached to the bus. The following functions are performed by the relevant control units depending on the severity of the accident:
- Switching off the electric fuel pump (via the Digital Motor Electronics control unit)
- Switching off the alternator (via the Digital Motor Electronics control unit)
- Opening the central-locking system (via the junction box electronics)
- Switching on the interior lighting (via the footwell module)
- Switching on the hazard warning lights (via the footwell module)