Advanced Crash Safety Module - BMW i3 Technical Training Manual

I01￿General￿Vehicle￿Electronics
1.￿Vehicle￿Electrical￿System
1.6.25.￿Advanced￿Crash￿Safety￿Module￿(ACSM)
Crash￿Safety￿Module
The￿function￿of￿the￿Crash￿Safety￿Module￿ACSM￿is￿to￿permanently￿evaluate￿all￿sensor￿signals￿in￿order
to￿identify￿a￿crash￿situation.￿The￿ACSM￿evaluates￿the￿information￿from￿the￿sensors￿and￿then￿forwards
corresponding￿measures￿for￿selective￿activation￿of￿the￿necessary￿restraint￿systems.
The￿ACSM￿records￿the￿yaw￿rate￿and￿sends￿this￿information￿on￿the￿FlexRay￿data￿bus.
No￿additional￿yaw￿sensors￿are￿required￿for￿the￿following￿systems.
• Dynamic￿Stability￿Control
• Navigation￿system.
The￿ACSM￿is￿connected￿to￿the￿FlexRay.
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