Blocking detection
WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
The blockage identification takes effect on opening and closing the tailgate. A blocking of the luggage compartment movement on opening has the effect that the luggage compartment movement is stopped immediately. If the luggage compartment movement blocks on closing, the HKL activates the spindle drives briefly in the opposite direction (= reversing). If the tailgate remains blocked, the spindle drives are no longer activated.
Blocking is detected when the hall effect sensor impulses are not received or when the motor current rises.