BYD M6. Service Manual - part 4

 

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BYD M6. Service Manual - part 4

 

 

BYD M6 AUTO Owner’s Manual
SRS Airbag Overview
Airbag Triggering Conditions
As part of Supplemental Restraint
The airbag is designed to activate
CAUTION
System (SRS), airbag is designed to
when a head-on collision reaches a
work with the seat belt to help protect
certain severity; and it may also be
y
All occupants should always
the driver and passengers from upper
triggered in some special collisions.
properly wear seat belts in
body injuries in head-on collisions of a
driving!
In case of minor head-on collision, or
certain severity.
y
Keep your body in an upright
side collision, rear collision or roll-over
Airbags can provide maximum
position to get maximum
accidents, the airbag won’t be
protection only when it works together
protection from the seat belt and
triggered. Under the above conditions,
with the whole passive protection
airbag system.
the seat belts can provide protection
system. All occupants should always
to the occupants.
y
Rear seats are safer for children.
properly wear their seat belts. For the
y
Do not disassemble the airbag
The decisive factor for triggering
safety of both you and your family
system by yourself.
airbag system is the deceleration
members, pay close attention to
curve detected by electronic control
Caution and Notice information in
unit (ECU) during the collision. If the
the section.
detected deceleration rate is lower
than the reference value preset in
ECU, the airbag won’t be triggered
even though the vehicle is severely
damaged in the accident.
Safety Devices 1-44
BYD M6 AUTO Owner’s Manual
BYD has taken the common misuse
SRS Airbag Components
of the vehicle and various road
1.
Front crash sensor
conditions into full consideration when
2.
Airbag electronic control unit
conducting
airbag
presetting.
(ECU)
However, as specific conditions of
3.
SRS warning light
each collision are infinitely variable,
4.
Clock spring
please use your vehicle in good
manner while strictly following
5.
Driver’s airbag module
instructions in this manual. Misuse of
(front airbag inflator)
the vehicle may reduce the protection
6.
Front passenger airbag module
performance of the airbag system.
(front airbag inflator)
7.
Seat belt warning sensor
The major components and their
8.
Side crash sensor (if equipped)
locations of the M6 SRS airbag
9.
Front side airbag module
system are shown in the figure above.
(if equipped, side airbag inflator)
10. Curtain airbag module
(if equipped, side airbag inflator)
Safety Devices 1-45
BYD M6 AUTO Owner’s Manual
Driver’s Airbag and Front
How Frontal Airbags Work
Passenger Airbag
Both frontal airbags inflate at the
same time since they use the same
sensors. However, it is possible for
only one airbag to inflate.
This can occur when the severity of a
collision is at the threshold to inflate
the airbag. In such case, the seat belt
will provide sufficient protection, and
the supplemental protection provided
by the airbag would be minimal.
In the event of a head-on collision
more severe than a certain threshold,
The frontal airbags, including the
the sensors detect that the vehicle is
driver’s airbag and front passenger
slowing down fast and send a signal
airbag, are designed to inflate in
to the controller to inflate the frontal
moderate to severe frontal or
airbags in a very short time.
near-frontal collisions, protecting the
head and chest of the driver and front
Meanwhile the seat belt holds the
passenger from striking interior
body of the occupant in place. The
objects such as the steering wheel or
inflated airbag forms an air cushion to
a window.
protect your head and chest.
Safety Devices 1-46
BYD M6 AUTO Owner’s Manual
Service Frontal Airbags
Airbag inflation makes loud noise, but
normally it doesn’t cause injury.
Sometimes it could cause temporary
ringing or hearing impairment in the
ears, but you will recover soon. After
airbag deployment, it is normal to
notice smoke-like residue, which is
actually powder from the airbag
surface. Although the powder is not
harmful, people with respiratory
The frontal
airbags
deflate
problems may experience temporary
immediately after inflation, so they
discomfort. If this occurs, get out of
You must have your vehicle serviced
won’t interfere with the driver's
the vehicle as soon as it is safe to do
in the following cases:
visibility or the ability to steer or
so.
control the vehicle.
y SRS airbags inflated.
y The front end of the vehicle
The total process of airbag inflation
(shaded area in the figure above)
and deflation is finished in
experienced a head-on collision
approximately tens of milliseconds.
not severe enough to trigger the
airbags.
y Steering wheel cover or front
passenger airbag cover (shaded
area in the figure above) has crack,
deep scratch or other damage.
Safety Devices 1-47
BYD M6 AUTO Owner’s Manual
Front Seat Side Airbag
(if
Curtain Airbag (if
equipped)
equipped)
Side airbags, if equipped in the front
seats, inflate in moderate to severe
side collisions to protect the head and
chest of the driver and front
passenger from striking interior
objects such as a window.
Curtain airbags, if equipped, drop
down from the roof along both sides
of the cabin in moderate to severe
side collisions to give better
protection.
Safety Devices 1-48
BYD M6 AUTO Owner’s Manual
Service Side Airbags
Airbag Warning Indicator
y
SRS side airbags and curtain
airbags inflated.
y
The vehicle doors (shaded area in
the figure above) experienced a
side collision not severe enough to
trigger the airbags.
y
The seat surface where the side
airbags are located (shaded area
in the figure above) has crack,
deep scratch or other damage.
y
The trim of A-pillar, roof rail or
Under the control of an ECU which
C-pillar where the curtain airbags
features self-diagnostic capability, the
are located (shaded area in the
state of the SRS airbag system is
figure above) has crack, deep
indicated by a warning indicator on
scratch or other damage.
the instrument panel.
You must have your vehicle serviced
in the following cases:
Safety Devices 1-49
BYD M6 AUTO Owner’s Manual
y After turning the Start button to ON,
NOTICE
CAUTION
the SRS warning indicator stays
on for 5 seconds and then goes off
The SRS system has fault if any of
In case of any fault in the SRS
for over 5 seconds, reminding the
the following occurs:
system, you must have your vehicle
SRS system is normal.
y The warning indicator doesn’t
serviced in a BYD service station.
y If the SRS system has been
turn on when Start button is at
Unrepaired fault in the SRS system
deactivated by a BYD service
ON.
may result in failure of airbags in an
station, the warning indicator still
accident.
goes through the above procedure,
y After turning Start button to ON,
but at this time the SRS system
the warning indicator doesn’t go
cannot provide protection.
off within 5 seconds, or goes off
but turns on again.
This warning indicator can display the
state of SRS ECU, crash sensors,
y The warning indicator turns on
inflator, warning indicator, wiring and
when Start button is at OFF or
power supply.
(Refer to section
ACC.
“Service Indicators and Warning
y The warning indicator stays on
Buzzers” for details.)
or is flashing when the vehicle is
moving.
Safety Devices 1-50
BYD M6 AUTO Owner’s Manual
Front Passenger Seat Belt
When Do Airbags Deploy
Warning
Indicator
(if
Hit protruding objects such as a
equipped)
safety island or curb stone
If your vehicle is equipped with seat
belt warning sensors, there is a front
passenger seat belt warning indicator
on the combination switch, which is
indicated by the black arrow in the
figure above. If the front passenger
seat is occupied without using the
seat belt, this indicator turns to remind
Hit deep groove
the front passenger to wear the seat
belt. After the seat belt is fastened,
the warning indicator goes off. When
the front passenger seat is not
occupied, the warning indicator
remains off.
Safety Devices 1-51
BYD M6 AUTO Owner’s Manual
When Airbags Won’t
Deploy
Hit ground on a downhill road
Hit tall and thin objects, such
Hit a wall slantwise
as a post or tree
In the cases shown in the figures
above, the frontal airbags may
Get under a truck in a
Hit by another vehicle
rear-end collision
at the rear-end
deploy.
y The frontal airbags may deploy
due to the vehicle’s undercarriage
violently striking a low object.
Safety Devices 1-52
BYD M6 AUTO Owner’s Manual
NOTICE
causing personal injury to the
In a rollover accident
driver while allowing it to provide
y
Airbags are designed on the
the
maximum protection.
basis of specific vehicles, any
Specifically, each occupant shall
modification to the suspension,
adjust the front seats and
tire size, bumpers, chassis and
headrests properly, and the
other original equipments may
driver’s arms should be as
adversely affect the functioning
straight as possible.
of the airbag system. Never use
y
Do not put or paste any object
airbag system components from
Hit by another vehicle on
on or near the steering wheel
the side (without side
another vehicle to prevent
cover or the right side of the
airbag)
personal injury.
instrument panel where the
y
When the vehicle is moving,
airbag are located. Do not knock
always wear the seat belt
on these two locations. For
properly, and sit upright with
cleaning, only use dry or damp
your back against the seat. An
cloth.
occupant who isn’t wearing the
seat belt, or is leaning forward or
In the cases shown in
the
figures
in other improper posture may
above, the frontal airbags may not
be severely injured when the
deploy.
airbag deploys.
y
The driver shall always keep a
distance over 25 cm between his
chest and the steering wheel, in
order to prevent the airbag from
Safety Devices 1-53
BYD M6 AUTO Owner’s Manual
NOTICE
wheel), should be made only by
NOTICE
a BYD service station.
y
Never allow a child without
y
Don’t reuse a deployed airbag.
y
The airbag system must be
proper restraint to sit in the front
Replace the airbag system
replaced in a BYD service
seat. The child could be killed by
immediately after it is triggered
station within 15 years as of the
the deployed airbag in an
or damaged.
date of delivery (manufacturing
accident.
date indicated in the quality
y
When you resell the vehicle,
y
Don’t allow any person, animal
certificate and Repair Manual). If
don’t forget to hand over all
or object to stay between the
any part of the airbag system is
relevant documents supplied
driver/front seat passenger and
replaced before that date, it shall
with the vehicle. Even if the
the air bags. It is extremely
be recorded
in
the
Repair
airbag system is deactivated,
dangerous to hold a child on
Manual.
the relevant documents must be
your lap.
handed over to the next owner
y
Don’t allow any person, animal
as well.
or object to stay between the
y
When scrapping your vehicle or
driver/front seat passenger and
the airbag system, please
the air bags. It is extremely
comply with applicable safety
dangerous to hold a child on
regulations
and
disposal
your lap.
procedures. You can contact a
BYD service station to get
y
Never modify any airbag system
knowledge on these regulations
component, including the labels.
and the detailed disposal
y
All operations to the airbag
procedure, which is also
system, including removing it for
available on the Repair Manual.
repairing other parts
(such as
detachment of the steering
y
The airbag system can
Safety Devices 1-54
BYD M6 AUTO Owner’s Manual
withstand
high
level
of
Deactivate Airbags
Deactivation of the airbag system
electromagnetic
interference
must be conducted by a BYD service
According to laws, airbags for the
and disturbance. However, to
station. After a certain airbag is
driver and the front passenger can be
avoid accidents, do not use the
deactivated, the BYD service station
deactivated only in particular cases,
vehicle
beyond
the
must place a warning label on the
such as:
electromagnetic
environment
corresponding position and add a
y
When it is impossible to keep a
specified by applicable laws.
record in Repair Manual.
25cm distance between the center
y
BYD has taken the common
of the steering wheel and the chest
CAUTION
misuse of the vehicle and
of the driver even though the
various road conditions into full
driver’s seat is properly adjusted;
If the airbag system must be
consideration when presetting
deactivated in particular cases, it
y
When a special equipment must
the airbag triggering conditions.
shall be conducted by a BYD
be installed for the disabled near
However,
avoid
intensive
service station. Otherwise the
the steering wheel;
striking on the bottom and do not
airbag can cause severe injury or
y
When adjustment of the front
drive the vehicle toughly under
death!
passenger seat which is required
poor road conditions in order to
The deactivated airbag must be
for a specific reason makes it
prevent accidents.
activated as soon as possible to
impossible to keep the seat within
provide protection to the occupant.
the scope set by the manufacturer.
Safety Devices 1-55
BYD M6 AUTO Owner’s Manual
Supplemental Information
Airbag Maintenance
y
Read this manual carefully; to sell
CAUTION
Generally the airbag system cannot
or scrap the vehicle, you must
be repaired and it includes no part
Pay attention to the status of the
inform that the vehicle is equipped
that you can service safely by yourself.
SRS warning indicator. Abnormal
with SRS airbag system and hand
In any of the following cases, you
airbags can cause severe injury.
over this manual for reference.
must have your vehicle serviced:
If
the SRS warning indicator
y
The air bag components will be
1. If an airbag has deployed. A
prompts a potential danger, have
very hot after deployment. Do not
deployed airbag must be replaced
your vehicle repaired in a BYD
touch them. The deployed airbag
together with the control device
service station as soon as possible.
system must be dismantled and
and relevant components. Never
replaced by a BYD service station.
attempt to dismantle or replace an
y
The airbag is designed to deploy in
airbag by yourself. Airbag system
a moderate to severe head-on
must be serviced only by a BYD
collision. The fact that the airbag
service station.
doesn’t inflate in a collision does
2. If SRS warning indicator prompts
not mean that something is wrong
that a fault exists in the system.
with the system. However,
Have your vehicle serviced in a
abnormal repair or unrepaired fault
BYD service station as soon as
in the vehicle may cause failure of
possible. The airbag may fail to
airbag deployment.
deploy in an accident if you ignore
the prompt of the SRS warning
indicator.
Safety Devices 1-56
BYD M6 AUTO Owner’s Manual
The airbag system must be serviced
Supplemental Safety
by trained professionals. Never
Information
dismantle any airbag component from
the vehicle. In case of any fault in the
1. Never attempt to dismantle the
airbag system, assign the repair or
airbag. The airbag system can
troubleshooting to a BYD service
provide maximum protection when it
station.
functions normally.
2. Never tamper with any airbag
components or wire harness.
Otherwise it could cause unexpected
airbag deployment, leading to severe
personal injury.
Safety Devices 1-57
BYD M6 AUTO Owner’s Manual
Safety Devices 1-58
BYD M6 AUTO Owner’s Manual
Chapter 1 Instruments & Control System
1.3 Steering Wheel and Rearview Mirror
Tilt and Telescopic Steering Column
1-60
Exterior rearview Mirrors
1-60
Anti-dazzle Inner Rearview Mirror
1-63
Steering Wheel and Rearview Mirror 1-59

 

 

 

 

 

 

 

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