Vibration actuator
The KAFAS control unit, for example, requests activation of the vibration actuator via the PT-CAN. The central gateway module implements the signal on the FlexRay. This means the Integrated Chassis Management receives the request for activation. The Integrated Chassis Management co-ordinates activation of the vibration actuator.
NOTE:
Coordination is necessary, as the lane departure warning and lane change warning can be fitted in the vehicle. Depending on the request from the two assistance systems, the Integrated Chassis Management forwards this to the vibration actuator.
The steering wheel electronics evaluate the request, activate the vibration actuator and monitor its function. In the event of a defect in the vibration actuator or steering wheel electronics, the steering column switch cluster indicates this via the FlexRay.