Activation of Stepper Motor Controllers
WARNING: This page does not describe the selected car, but rather 94 other vehicles, including the 2013 BMW X6, 2012 BMW X6, 2011 BMW X6, 2010 BMW Z4, and 2010 BMW X6 M. However, it is still accessible from the selected car via links, so may be relevant.
The control unit for adaptive headlights sends the stepper motor controllers (SMC) the nominal values for the positioner modules (position of positioner modules and speed of movement).
The control unit for adaptive headlights calculates the nominal values using the following signals:
- Vehicle road speed
- Steering angle (at speeds up to 50 km/h, dependent on encoding)
- Yaw rate (50 km/h upwards, see STEERING-ANGLE SENSOR AND DSC SENSOR above)