sensor TOYOTA FR-S 2013 Owners Manual (in English)

45
1-3. Adjustable components (s
eats, mirrors, steering wheel)
1
Before driving
CAUTION
■Pregnant women
■ People suffering illness
Obtain medical advice and wear the seat belt in the proper way.
■ When children are in the vehicle
Do not allow children to play with the seat belt. If the seat belt becomes
twisted around a child’s neck, it may lead to choking or other serious injuries
that could result in death.
If this occurs and the buckle cannot be unfastened, scissors should be used
to cut the belt.
■ Seat belt pretensioners
●Do not place anything, such as a cushion, on the front passenger’s seat.
Doing so will disperse the passenger’s weight, which prevents the sensor
from detecting the passenger’s weight properly. As a result, the seat belt
pretensioner for the front passenger’s seat may not activate in the event of
a collision.
● If the pretensioner has activated, the SRS warning light will come on. In
that case, the seat belt cannot be used again and must be replaced at
your Scion dealer.
Obtain medical advice and wear the seat
belt in the proper way. ( P. 40)
Women who are pregnant should position
the lap belt as low as possible over the
hips in the same manner as other occu-
pants. Extend the shoulder belt com-
pletely over the shoulder and position the
belt across the chest. Avoid belt contact
over the rounding of the abdominal area.
If the seat belt is not worn properly, not
only the pregnant woman, but also the
fetus could suffer death or serious injury
as a result of sudden braking or a colli-
sion.

69
1-7. Safety information
1
Before driving
SRS airbag system components
Front sub sensor (right-hand
side)
SRS warning light
Frontal airbag module
(driver's side) (two-stage)
Front passenger’s frontal air-
bag ON and OFF indicator
Frontal airbag module (front
passenger’s side) (two-
stage)
Front passenger’s occupant
detection control module
Door impact sensor (right-
hand side)
Curtain shield airbag mod-
ule (right side)
Airbag wiring
Side airbag module (front
passenger’s side) Side airbag sensor (center
pillar right-hand side)
Curtain shield airbag sensor
(rear wheel house right-hand
side)
Seat belt pretensioner (front
passenger’s side)
Satellite safing sensor
(under the center of the rear
seats)
Front passenger’s occupant
detection system
weight sen-
sor
Seat belt buckle switch (front
passenger’s side)
Seat belt pretensioner
(driver’s side)
Curtain shield airbag sensor
(rear wheel house left-hand
side)

70 1-7. Safety information
Your vehicle is equipped with ADVANCED AIRBAGS designed based
on US motor vehicle safety standards (FMVSS208). The airbag sys-
tem controls airbag deployment po wer for the driver and front pas-
senger. The front passenger's airbag system consists of the front
passenger occupant dete ction control module etc.
The main SRS airbag system components are shown above. The
SRS airbag system is controlled by the airbag control module. The
airbag control module consis ts of an airbag sensor.
In certain types of severe front or side impacts, the SRS airbag sys-
tem triggers the airbag inflators. A chemical reaction in the inflators
quickly fills the airbags with non-toxic gas to help restrain the motion
of the occupants.
Side airbag sensor (center
pillar left-hand side)
Side airbag module (driver’s
side)
Door impact sensor (left-
hand side) Airbag control module
(including impact sensors)
Front sub sensor (left-hand
side)
Curtain shield airbag mod-
ule (left side)
■
If the SRS airbags deploy (inflate)
●Bruising and slight abrasions may result from contact with a deploying
(inflating) SRS airbag.
● A loud noise and white powder will be emitted.
● Parts of the airbag module (steering wheel hub, airbag cover and inflator)
as well as the front seats, parts of the front and rear pillars, and roof side
rails, may be hot for several minutes. The airbag itself may also be hot.
● The windshield may crack.

72 1-7. Safety information
■Driver’s SRS frontal airbag
The driver’s SRS frontal airbag uses a dual stage inflator. The inflator oper-
ates in different ways depending on the severity of impact.
Have the system inspected by your Scion dealer immediately if the SRS
warning light illuminates.
NOTE
The driver’s SRS side airbag and SRS curtain shield airbag are not con-
trolled by the Scion advanced frontal airbag system.
■ Front passenger’s SRS frontal airbag
The front passenger’s SRS frontal airbag uses a dual stage inflator. The
inflator operates in different ways depending on the severity of impact.
The occupant detection system sensor is installed under the seat upholstery
and monitors the position and posture of the front passenger. Using this
information, the occupant detection system determines whether the front
passenger’s SRS frontal airbag should be deployed or not.
The occupant detection system may not inflate the front passenger’s SRS
frontal airbag even when the driver’s SRS frontal airbag deploys. This is nor-
mal. In this case, although the front passenger’s SRS frontal airbag does not
operate, the front passenger’s seat belt pretensioner operates with the
driver’s seat belt pretensioner. For details about the seat belt pretensioner,
refer to “Seat belt pretensioners”. ( P. 41)
Observe the following precautions. Failure to do so may prevent the Scion
advanced frontal airbag system from functioning correctly or cause the sys-
tem to fail.
● Do not apply any strong impact to the front passenger’s seat.
● Do not spill liquid on the front passenger’s seat. If liquid is spilled, wipe it
off immediately.
● Do not remove or disassemble the front passenger’s seat.
● Do not install any accessory (such as an audio amplifier) other than a
genuine Scion accessory under the front passenger’s seat.
● Do not place anything (shoes, umbrella, etc.) under the front passenger’s
seat.
● Do not place a magnet near the seat belt buckle.

73
1-7. Safety information
1
Before driving
If the seat belt buckle switch and/or front passenger’s occupant detection
system have failed, the SRS warning light will illuminate. Have the system
inspected by your Scion dealer immediately if the SRS warning light illumi-
nates.
If your vehicle has sustained impact, this may affect the proper function of
the Scion advanced frontal airbag system. Have your vehicle inspected at
your Scion dealer. Do not use the front passenger’s seat while driving the
vehicle to your Scion dealer.
NOTE
The front passenger’s SRS side airbag and SRS curtain shield airbag are
not controlled by the Scion advanced frontal airbag system.
■ Passenger’s frontal airbag ON and OFF indicators
P. 9 9
■ Occupant detection system
The occupant detection system sensor is installed under the seat upholstery
and monitors the position and posture of the front passenger. Using this
information, the occupant detection system determines whether the front
passenger’s SRS frontal airbag should be deployed or not.
If the front passenger’s seat cushion is wet, this may adversely affect the
ability of the system to determine deployment. If the seat cushion is wet, the
front passenger should stop sitting on the front passenger’s seat. Wipe off
water from the seat immediately, let the seat dry naturally and then check
the SRS warning light as follows.
●If the SRS warning light illuminates, keep the seat dry until the warning
light turns off. If the SRS warning light stays on even when the seat has
dried, do not allow anyone to sit on the front passenger’s seat and have
the system checked by your Scion dealer.
● If the SRS warning light does not illuminate, check that the front passen-
ger’s frontal airbag ON and OFF indicators work properly. If the indicators
do not work properly, do not allow anyone to sit on the front passenger’s
seat and have the system checked by your Scion dealer.

79
1-7. Safety information
1
Before driving
The SRS airbag can function only when the engine switch is in the “ON”
position.
The Scion advanced frontal airbag system is designed to determine the acti-
vation or deactivation condition of the front passenger’s SRS frontal airbag
depending on the total load on the front passenger’s seat monitored by the
front passenger’s occupant detection system sensor. For this reason, only
the driver’s SRS frontal airbag may deploy in the event of a collision, but this
does not mean failure of the system.
If the front sub sensors and the impact sensors in the airbag control module
detect a predetermined amount of force during a frontal collision, the control
module sends signals to the airbag modu
le(s) (only driver’s module or both
driver’s and front passenger’s modules) instructing the module(s) to inflate
the SRS frontal airbag(s).
The driver’s and front passenger’s SRS frontal airbags use dual stage infla-
tors. The two inflators of each airbag are triggered either sequentially or
simultaneously, depending on the severity of impact, in the case of the
driver’s SRS frontal airbag and depending on the severity of impact and the
total load on the seat in the case of the front passenger’s SRS frontal airbag.
After deployment, the SRS airbag immediately starts to deflate so that the
driver’s vision is not obstructed. The time required from detecting impact to
the deflation of the SRS airbag after deployment is shorter than the blink of
an eye.
Both when only the driver’s SRS frontal airbag deploys and the driver’s and
front passenger’s SRS frontal airbags deploy, the driver’s and front passen-
ger’s seat belt pretensioners operate at the same time.
Although it is highly unlikely that the SRS airbag would activate in a non-
accident situation, should it occur, the SRS airbag will deflate quickly, not
obscuring vision and will not interfere with the driver's ability to maintain con-
trol of the vehicle.
When the SRS airbag deploys, a sudden, fairly loud inflation noise will be
heard and some smoke will be released. These occurrences are a normal
result of the deployment. This smoke does not indicate a fire in the vehicle.

86 1-7. Safety information
■Operation
The SRS side airbag and SRS curtain shield airbag can function only when
the engine switch is in the “ON” position.
The driver’s and front passenger’s SRS side airbags and SRS curtain shield
airbags deploy independently of each other since each has its own impact
sensor. Therefore, they may not both deploy in the same accident. Also, the
SRS side airbag and SRS curtain shield airbag deploys independently of the
driver’s and front passenger’s SRS front airbags in the steering wheel and
instrument panel.
An impact sensor, which senses impact force, is located in each of the left
and right center pillars, doors and rear wheel houses. Another impact sen-
sor, which also senses impact force, is located under the center of the rear
seats.
If the impact sensor that is located under the center of the rear seats and
one of the center pillar impact sensors or door impact sensors together
sense an impact force above a predetermined level in a side collision, the
control module causes both the SRS side airbag and curtain shield airbag on
the impacted side to inflate regardless of whether the rear wheel house
impact sensor on the same side senses an impact.
If the impact sensor that is located under the center of the rear seats and
one of the rear wheel house impact sensors together sense an impact force
above a predetermined level, the control module causes only the SRS cur-
tain shield airbag on the impacted side to inflate.
After the deployment, the SRS side airbag immediately starts to deflate. The
time required from detection of an impact to deflation of an SRS side airbag
after deployment is shorter than the blink of an eye.

97
1-7. Safety information
1
Before driving
SRS airbag system monitors
A diagnostic system continually
monitors the readiness of the
SRS airbag system (including
front seat belt pretensioners)
while the vehicle is being driven.
The SRS warning light will show
normal system operation by illu-
minating for approximately 6
seconds when the engine switch
is turned to the “ON” position.
The following components are monitored by the indicator:
● Front sub sensor (right-hand side)
● Front sub sensor (left-hand side)
● Airbag control module (including impact sensors)
● Frontal airbag module (driver’s side)
● Frontal airbag module (front passenger’s side)
● Side airbag sensor (center pillar right-hand side)
● Side airbag sensor (center pillar left-hand side)
● Door impact sensor (right-hand side)
● Door impact sensor (left-hand side)
● Side airbag module (driver’s side)
● Side airbag module (front passenger’s side)
● Curtain shield airbag sensor (rear wheel house right-hand side)
● Curtain shield airbag sensor (rear wheel house left-hand side)
● Curtain shield airbag module (right side)
● Curtain shield airbag module (left side)

98 1-7. Safety information
●Satellite safing sensor (under the center of the rear seats)
● Seat belt pretensioner (driver’s side)
● Seat belt pretensioner (front passenger’s side)
● Seat belt buckle switch (front passenger’s side)
● Front passenger’s occupant detection system sensor
● Front passenger’s occupant detection control module
● Front passenger’s frontal airbag ON and OFF indicator
● All related wiring
CAUTION
■SRS warning light
If the warning light exhibits any of the following conditions, there may be a
malfunction in the seat belt pretensioners and/or SRS airbag system. Imme-
diately take your vehicle to your nearest Scion dealer to have the system
checked. Unless checked and properly repaired, the seat belt pretensioners
and/or SRS airbag will not operate properly in the event of a collision, which
may increase the risk of injury.
●Flashing or flickering of the warning light
● No illumination of the warning light when the engine switch is first turned to
the “ON” position.
● Continuous illumination of the warning light
● Illumination of the warning light while driving

99
1
1-7. Safety information
Before driving
Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant detection
system. Using the sensors installe d under the seat cover, the system
detects the conditions of the front passenger seat and activates or
deactivates the devices for fron t passenger seat. The occupant
detection system may not inflate the front passenger’s SRS frontal
airbag even when the driver’s SRS fr ontal airbag deploys. This is not
a malfunction. If the seat belt buckl e switch and/or front passenger’s
occupant detection system have fa iled, the SRS warning light will
illuminate. Have the system inspected by your Scion dealer immedi-
ately if the SRS warn ing light illuminates.
If your vehicle has sustained impact, this may affect the proper func-
tion of the Scion advanced fronta l airbag system. Immediately con-
tact your Scion dealer and have y our vehicle inspected. Do not use
the front passenger seat while driving to your Scion dealer.
SRS warning light
Front passenger’s seat belt reminder light
“AIR BAG OFF” indicator light
“AIR BAG ON” indicator light