2017 TOYOTA C-HR ECU

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For safety and security
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SRS airbags
◆SRS front airbags
SRS driver airbag/front passenger airbag
Can help protect the head and chest of the driver and front pas-
senger from impact with interior components
SRS driver’s knee airbag (if equipped)
Can help provide driver protection
◆SRS side and curtain shield airbags
SRS front side airbags
Can help protect the torso of the front seat occupants
SRS curtain shield airbags
Can help protect primarily the head of occupants in the outer
seats
The SRS airbags inflate when the vehicle is subjected to certain
types of severe impacts that may cause significant injury to the
occupants. They work together with the seat belts to help reduce
the risk of death or serious injury.
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The main SRS airbag system components are shown above. The
SRS airbag system is controlled by the airbag sensor assembly. As
the airbags deploy, a chemical reaction in the inflators quickly fills the
airbags with non-toxic gas to help restrain the motion of the occu-
pants.
Front impact sensors
Airbag manual on-off switch (if
equipped)
Front passenger airbag
“PASSENGER AIR BAG” indi-
cator (if equipped)
Side impact sensors (front)
Side impact sensors (front
door)
Seat belt pretensioners and
force limiters (front)
Side airbags
Curtain shield airbags
Side impact sensors (rear)
Driver’s seat position sensor
(if equipped)
Driver airbag
Driver’s knee airbag (if
equipped)
SRS warning light
Airbag sensor assembly
Seat belt pretensioners and
force limiters (rear outboard
seats) (if equipped)
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WARNING
■SRS airbag precautions
● The SRS front passenger airbag also deploys with considerable force, and
can cause death or serious injury especially if the front passenger is very
close to the airbag. The front passenger seat should be as far from the air-
bag as possible with the seatback adjusted, so the front passenger sits
upright.
● Improperly seated and/or restrained infants and children can be killed or
seriously injured by a deploying airbag. An infant or child who is too small
to use a seat belt should be properly secured using a child restraint sys-
tem. Toyota strongly recommends that all infants and children be placed in
the rear seats of the vehicle and proper ly restrained. The rear seats are
safer for infants and children than the front passenger seat. ( P. 61)
●Do not sit on the edge of the seat or
lean against the dashboard.
● Do not allow a child to stand in front of
the SRS front passenger airbag unit or
sit on the knees of a front passenger.
● Do not allow the front seat occupants to
hold items on their knees.
● Do not lean against the door, the roof
side rail or the front, side and rear pil-
lars.

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WARNING
■SRS airbag precautions
● Vehicles with SRS driver’s knee airbag: If a vinyl cover is put on the area
where the SRS driver’s knee airbag will deploy, be sure to remove it.
● Do not use seat accessories which cover the parts where the SRS side
airbags inflate as they may interfere with inflation of the airbags. Such
accessories may prevent the side airbags from activating correctly, disable
the system or cause the side airbags to inflate accidentally, resulting in
death or serious injury.
● Do not strike or apply significant levels of force to the area of the SRS air-
bag components or the front doors.
Doing so can cause the SRS airbags to malfunction.
● Do not touch any of the component parts immediately after the SRS air-
bags have deployed (inflated) as they may be hot.
● If breathing becomes difficult after the SRS airbags have deployed, open a
door or window to allow fresh air in, or leave the vehicle if it is safe to do
so. Wash off any residue as soon as possible to prevent skin irritation.
● If the areas where the SRS airbags are stored, such as the steering wheel
pad and front and rear pillar garni shes are damaged or cracked, have
them replaced by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
● Vehicles without a smart entry & start
system and with SRS driver’s knee air-
bag: Do not attach any heavy, sharp or
hard objects such as keys and accesso-
ries to the key. The objects may restrict
the SRS driver’s knee airbag inflation or
be thrust into the driver’s seat area by
the force of the deploying airbag, thus
causing a danger.

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■If the SRS airbags deploy (inflate)
● Slight abrasions, burns, bruising, etc., may be sustained from SRS airbags,
due to the extremely high speed deployment (inflation) by hot gases.
● 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 fr ont and rear pillars, and roof side rails
may be hot for several minutes. The airbag itself may also be hot.
● The windshield may crack.
■ SRS airbag deployment conditions (SRS front airbags)
● The SRS front airbags will deploy in the event of an impact that exceeds the
set threshold level (the level of force corresponding to an approximately 20 -
30 km/h [12 - 18 mph] frontal collision with a fixed wall that does not move or
deform).
However, this threshold velocity will be considerably higher in the following
situations:
• If the vehicle strikes an object, such as a parked vehicle or sign pole,
which can move or deform on impact
• If the vehicle is involved in an underride collision, such as a collision in
which the front of the vehicle “underrides”, or goes under, the bed of a
truck
● Depending on the type of collision, it is possible that only the seat belt pre-
tensioners will activate.
■ SRS airbag deployment conditions (SRS side and curtain shield airbags)
● The SRS side and curtain shield airbags will deploy in the event of an
impact that exceeds the set threshold level (the level of force corresponding
to the impact force produced by an approximately 1500 kg [3300 lb.] vehicle
colliding with the vehicle cabin from a direction perpendicular to the vehicle
orientation at an approximate speed of 20 - 30 km/h [12 - 18 mph]).
● The SRS curtain shield airbags will deploy in the event of a severe frontal
collision.

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■ Types of collisions that may not deploy the SRS airbags (SRS side and
curtain shield airbags)
The SRS side and curtain shield airbags may not activate if the vehicle is
subjected to a collision from the side at certain angles, or a collision to the
side of the vehicle body other than the passenger compartment.
The SRS side airbags do not generally inflate if the vehicle is involved in a
frontal or rear collision, if it rolls ov er, or if it is involved in a low-speed side
collision.
The SRS curtain shield airbags do not generally inflate if the vehicle is
involved in a rear collision, if it rolls over, or if it is involved in a low-speed side
or low-speed frontal collision.
● Collision from the side to the vehicle
body other than the passenger compart-
ment
● Collision from the side at an angle
● Collision from the front
● Collision from the rear
● Vehicle rollover
● Collision from the rear
● Vehicle rollover

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● The surface of the seats with the side
airbag is scratched, cracked, or other-
wise damaged.
● The portion of the front pillars, rear pil-
lars or roof side rail garnishes (padding),
containing the curtain shield airbags
inside, is scratched, cracked, or other-
wise damaged.

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Airbag manual on-off system
“PASSENGER AIR BAG” indi-
cator
Vehicles without a smart entry &
start system: The “PASSENGER
AIR BAG” and “ON” indicator light
turns on when the airbag system is
on, and about after 60 seconds
they go off (only when the engine
switch is in the “ON” position).
Vehicles with a smart entry & start
system: The “PASSENGER AIR
BAG” and “ON” indicator light turns
on when the airbag system is on,
and about after 60 seconds they go
off (only when the engine switch is
in IGNITION ON mode).
Airbag manual on-off switch
: If equipped
This system deactivates the front passenger airbag.
Only deactivate the airbag when using a child restraint system
on the front passenger seat.
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