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36
YARIS SEDAN_OM_OM99S50z_(U)
1-2. Seat Belt Systems
Seat Belt Pretensioner and Load Limiting
Systems
◆ Pretensioners
When a collision is detected, the pretensioners deploy simultane-
ously with the air bags.
The pretensioners deploy simultaneously with the air bags when a
roll-over is also detected.
For deployment details, refer to the SRS Air Bag Deployment Crite-
ria (P. 7 4 ).
The front seat belt retractors remove slack quickly as the air bags
are expanding. Any time the air bags and seat belt pretensioners
have fired they must be replaced.
A system malfunction or operation conditions are indicated by a
warning.
Refer to Warning/Indicator Lights on P. 162.
Refer to Air Bag/Front Seat Belt Pretensioner System Warning
Beep on P. 536.
In addition, the pretensioner system for the front passenger, like the
front and side passenger air bag, is designed to only deploy when
the front passenger occupant classification sensor detects a pas-
senger sitting on the front passenger’s seat.
For details, refer to the front passenger occupant classification sen-
sor (P. 7 8 ).
For optimum protection, the driver and front passenger seat
belts are equipped with pretensioner and load limiting systems.
For both these systems to work properly you must wear the seat
belt properly.
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