MAZDA MODEL CX-5 2015 (in English) Repair Manual

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How the SRS Air Bags Work
Your Mazda is equipped with the following types of SRS air bags. SRS air bags are
designed to work together with the seat belts to help to reduce injuries during an accident.
The SRS air bags are designed to provide further protection for passengers in addition to
the seat belt functions. Be sure to wear seat belts properly.
qFront Seat Belt Pretensioners
The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near
frontal collisions. In addition, during a side collision, the pretensioner operates on the side
in which the collision occurs.
(With Front Passenger Occupant Classification System)
The front seat belt pretensioners are also designed to deploy in a roll-over accident.
qDriver Air Bag
The driver's air bag is mounted in the steering wheel.
When air bag crash sensors detect a frontal impact of greater than moderate force, the
driver's air bag inflates quickly helping to reduce injury mainly to the driver's head or chest
caused by directly hitting the steering wheel.
For more details about air bag deployment, refer to “SRS Air Bag Deployment Criteria ”
(page 2-53).
(With Front Passenger Occupant Classification System)
The driver's dual-stage air bag controls air bag inflation in two energy stages. During an
impact of moderate severity the driver's air bag deploys with lesser energy, whereas during
more severe impacts, it deploys with more energy.
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SRS Air Bags
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qFront Passenger Air Bag
The front passenger air bag is mounted in the front passenger dashboard.
The inflation mechanism for the front passenger air bag is the same as the driver's air bag,
as mentioned above.
For more details about air bag deployment, refer to “SRS Air Bag Deployment Criteria ”
(page 2-53).
(With Front Passenger Occupant Classification System)
In addition, the front passenger air bag is designed to only deploy in accordance with the
total seated weight on the front passenger seat. For details, refer to the front passenger
occupant classification system (page 2-56).
q Side Air Bags
The side air bags are mounted in the outboard sides of the front seatbacks.
When the air bag crash sensors detect a side impact of greater than moderate force, the
system inflates the side air bag only on the side in which the vehicle was hit. The side air
bag inflates quickly to reduce injury to the driver or front passenger's chest caused by
directly hitting interior parts such as a door or window.
For more details about air bag deployment, refer to “SRS Air Bag Deployment Criteria ”
(page 2-53).
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(With Front Passenger Occupant Classification System)
In addition, the front passenger side air bag is designed to only deploy in accordance with
the total seated weight on the front passenger seat. For details, refer to the front passenger
occupant classification system (page 2-56).
qCurtain Air Bags
The curtain air bags are mounted in the front and rear window pillars, and the roof edge
along both sides.
When the air bag crash sensors detect a side impact of greater than moderate force, the
curtain air bag inflates quickly and helps to reduce injury mainly to the rear outboard
passenger's head caused by directly hitting interior parts such as a door or window.
For more details about air bag deployment, refer to “SRS Air Bag Deployment Criteria ”
(page 2-53).
In a side impact:
Greater than moderate impact to one side of the vehicle will cause the curtain air bag on
that side only to inflate.
Only one side curtain air bag will deploy on the
side of the vehicle that receives the force of an
impact.
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(With Front Passenger Occupant Classification System)
In a roll-over:
In response to a vehicle roll-over, both curtain air bags inflate.
Both curtain air bags will deploy after
the roll-over accident is detected.
(With Front Passenger Occupant Classification System)
In an angled collision:
During a collision, the driver and front passenger's air bags will deploy. Depending on the
nature of the impact, the curtain air bag may deploy.
qWarning Light/Beep
A system malfunction or operation conditions are indicated by a warning.
Refer to Warning/Indicator Lights on page 4-22.
Refer to Air Bag/Front Seat Belt Pretensioner System Warning Beep on page 7-33.
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SRS Air Bag Deployment Criteria
This chart indicates the applicable SRS equipment that will deploy depending on the type
of collision.
(The illustrations are the representative cases of collisions.)
SRS
equipment Types of collision
A severe frontal/near frontal collision A severe side
collision A roll-over/near
roll-over
*3A rear collision
Front seat belt
pretensioner X*1(both sides)X*1(impact side only)X*1(both sides)
No air bag and front
seat belt
pretensioner will be
activated in a rear
collision.
Driver air
bag X
Front
passenger air bag X
*1
Side air bagX*1(impact side only)
Curtain air
bag X*2X (impact side only) X (both sides)
X: The SRS air bag equipment is designed to deploy in a collision.
*1
(With Front Passenger Occupant Classification System)
The front passenger front and side air bags and the seat belt pretensioner are designed
to deploy depending on the condition of the total seated weight on the front passenger
seat.
*2 (With Front Passenger Occupant Classification System)
In an angled collision, the curtain air bag may deploy.
*3 (With Front Passenger Occupant Classification System)
In a roll-over accident, the seat belt pretensioners and the curtain air bags deploy.
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Limitations to SRS Air Bag
In severe collisions such as those described previously in“SRS Air Bag Deployment
Criteria ”, the applicable SRS air bag equipment will deploy. However, in some accidents,
the equipment may not deploy depending on the type of collision and its severity.
Limitations to front/near front collision detection:
The following illustrations are examples of front/near front collisions that may not be
detected as severe enough to deploy the SRS air bag equipment.
Impacts involving trees or poles Frontal offset impact to the vehicle
Rear-ending or running under a truck's tail gate
Limitations to side collision detection:
The following illustrations are examples of side collisions that may not be detected as
severe enough to deploy the SRS air bag equipment.
Side impacts involving trees or polesSide impacts with two-wheeled vehicles
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Roll-over (Without Driver and Front Passenger Occupant Classification System)
(With Front Passenger Occupant Classification System)
Limitations to roll-over detection:
The following illustration is an example of an accident that may not be detected as a roll-
over accident. Therefore, the front seat belt pretensioners and curtain air bags may not
deploy.
Pitch end over end
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Front Passenger Occupant Classification Systemí
First, please read“Supplemental Restraint System (SRS) Precautions ”(page 2-40)
carefully.
q Front Passenger Seat Weight Sensor
Your vehicle is equipped with a front passenger seat weight sensors as a part of the
supplemental restraint system. These sensors are located under both of the front passenger
seat rails. These sensors determine the total seated weight on the front passenger seat and
monitor the seat belt buckle for the front passenger seat. The SAS unit is designed to
prevent the front passenger front and side air bags and seat belt pretensioner system from
deploying if the front passenger air bag deactivation indicator light illuminates.
To reduce the chance of injuries caused by deployment of the front passenger air bag, the
system deactivates the front passenger front and side air bags and also the seat belt
pretensioner system when the front passenger air bag deactivation indicator light
illuminates. Refer to the following table for the front passenger air bag deactivation
indicator light illumination conditions.
This system shuts off the front passenger front and side air bags and seat belt pretensioner
system, so make sure the front passenger air bag deactivation indicator light illuminates
according to the following table.
The air bag/front seat belt pretensioner system warning light flashes and the front
passenger air bag deactivation indicator light illuminates if the sensors have a possible
malfunction. If this happens, the front passenger front and side air bags and seat belt
pretensioner system will not deploy.
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íSome models.
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Front passenger air bag deactivation indicator light
This indicator light illuminates to remind you that the front passenger front and side air
bags and seat belt pretensioner will not deploy during a collision.
Fully Automatic Type climate control
Manual Type climate control
If the front passenger weight sensors are normal, the indicator light illuminates when the
ignition is switched ON. The light turns off after a few seconds. Then, the indicator light
illuminates or is off under the following conditions:
Condition detected by the
front passenger occupant classification system Front passenger air bag
deactivation indicator light Front passenger front and
side air bags Front passenger seat
belt pretensioner system
Empty (Not occupied) On Deactivated Deactivated
Child or child-restraint
system
*1On Deactivated Deactivated
Adult
*2Off ReadyReady
*1 : If a larger child sits on the front passenger seat, the sensors might detect the child as being an adult depending on the child's physique.
*2 : If a smaller adult sits on the front passenger seat, the sensors might detect the person as being a child depending on the person's physique.
The curtain air bag is ready for inflating regardless of the chart above.
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If the front passenger air bag deactivation indicator light does not illuminate when the
ignition is switched ON and does not illuminate as indicated in the above chart, do not
allow a child to sit in the front passenger seat and consult an Authorized Mazda Dealer as
soon as possible. The system may not work properly in an accident.
WARNING
Do not decrease the total seated weight on the front passenger seat:When an adult or large child sits on the front passenger seat, decreasing the total
seated weight on the front passenger seat required for air bag deployment is
dangerous. The front passenger seat weight sensors will detect the reduced total
seated weight condition and the front passenger front and side air bags and seat
belt pretensioner system will not deploy during an accident. The front passenger will
not have the supplementary protection of the air bag, which could result in serious
injury. Decreasing the total seated weight on the front passenger seat could result in
an air bag not deploying under the following conditions, for example:
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