Seat and restraint systems
2-23
2
Seat belt pre-tensioner and force limiter
systems
N00417700524
The driver’s and front passenger’s seats each have a seat belt
equipped with a pre-tensioner system.
Pre-tensioner system
The driver and front passenger seat belts are equipped with a
seat belt pre-tensioner system. In moderate-to-severe frontal
collisions or when a rollover or overturning of the vehicle is
detected, the pre-tensioner system operates simultaneously
with the deployment of the front air bags or curtain air bags.
The seat belt pre-tensioners are located within the seat belt
retractors (A). When activated, the pre-tensioners quickly draw
back seat belt webbing and increase seat belt performance.
The seat belt pre-tensioner system includes the following com-
ponents:
The air bag control unit monitors the readiness of the electronic
parts of the system whenever the ignition switch is in the “ON”
or “START” position. These include all of the items listed
above and all related wiring.
The pre-tensioner seat belts will operate only when the ignition
switch is in the “ON” or “START” position.
1- SRS warning light
2- Front impact sensors
3- Seat belt pre-tensioners
4- Seat belt buckle switches
5- Air bag control unit
BK0121600US.book 23 ページ ２０１０年４月１２日 月曜日 午前１０時３９分
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