System Description

PRE-CRASH SEAT BELT SYSTEM


System Description

- Pre-crash seat belt is adopted to RH/LH seat belts.
- Pre-crush seat belt retracts shoulder webbing by a motor in pretensioner seat belt.
- Facilitates an emergency operation by restraining change in occupant posture while emergency braking is being applied.
- Restrains occupant faster and firmly, maximizes the effect of other devices like air bag, and reduces possible damage if a collision is unavoidable.
- Provides occupant a sense of ease by pulling occupants body to seat during braking that does not result a collision.

FUNCTION DESCRIPTION
Pre-crush seat belt is activated in the conditions as per the following.
Emergency braking is applied.

OPERATION CONDITION
The activation and deactivation conditions of pre-crush seat belt are as per the following.






OPERATION PROHIBITION CONDITION
- Seat belt is not fastened (Only the seat belt that is not fastened does not operate).
- At fail-safe condition.