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Seat belt pre-tensioner and force limiter systems
Seat and restraint systems 4-13
4
or killed in an accident if they do not wear
seat belts.
N00417701723
The driver’s and front passenger’s seats each
have a seat belt equipped with a pre-tensioner
system and force limiter system.
The driver and front passenger seat belts are
equipped with a seat belt pre-tensioner sys-
tem. In a moderate-to-severe frontal or side
collision, the pre-tensioner system operates
simultaneously with the deployment of the
front airbags, side airbags or curtain airbags.
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 components:
The airbag control unit monitors the readiness
of the electronic parts of the system whenever
the ignition switch or the operation mode is
under the following conditions. These include
all of the items listed above and all related
wiring.
[Except for vehicles equipped with the
F.A.S.T.-key]
The ignition switch is in the “ON” or
“START” position.
[Vehicles equipped with the F.A.S.T.-key]
The operation mode is in ON.
The seat belt pre-tensioners will operate
under the same conditions as the airbag con-
trol unit.
When the seat belt pre-tensioners activate,
some smoke is released and a loud noise will
be heard. The smoke is not harmful, but care
should be taken not to intentionally inhale it,
as it may cause some temporary irritation to
people with respiratory problems.
The pre-tensioners activate in the event of a
moderate-to-severe front or side impact, even
if the seat belt is not being worn. The seat belt
pre-tensioners may not activate in certain col-
lisions, even though the vehicle may appear
to be severely damaged. Such non-activation
does not mean that something is wrong with
the seat belt pre-tensioner system, but rather
that the collision forces were not severe
enough to activate the system.
WARNING
To reduce the risk of serious injury or
death to pregnant women and unborn
children in an accident, pregnant women
should always wear a seat belt. The lap
portion of the seat belt should be worn
snug and low across the hips and below
the rounding. Consult your doctor if you
have any additional questions or concerns.
Seat belt pre-tensioner and
force limiter systems
Pre-tensioner system
1- SRS warning light
2- Front impact sensors
3- Seat belt pre-tensioner
4- Side impact sensors
5- Airbag control unit
BK0212400US.book 13 ページ ２０１４年４月１日 火曜日 午後２時２１分
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