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Supplemental Restraint System Components
Driver/Front passenger inflators and air bags
Roll-over sensorí, crash sensors, and diagnostic module (SAS unit)
Front seat belt pretensioners (page 2-17)
Front air bag sensors
Side crash sensors
Air bag/front seat belt pretensioner system warning light (page 4-15)
Side and curtain inflators and air bags
Front passenger air bag deactivation indicator light (page 2-53)
Front passenger seat weight sensors (page 2-53)
Front passenger seat weight sensor control module
Driver and front passenger seat belt buckle switches (page 2-58)
Driver seat slide position sensor (page 2-53)
NOTE
-are equipped only on models with the driver and front passenger occupant classification
system.
Essential Safety Equipment
SRS Air Bags
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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 Driver and 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 2-50).
(With Driver and 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 2-50).
(With Driver and 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 driver and front
passenger occupant classification system (page 2-53).
qSide 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 2-50).
Essential Safety Equipment
SRS Air Bags
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(With Driver and 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 driver and front
passenger occupant classification system (page 2-53).
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 2-50).
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 Driver and 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 Driver and Front Passenger Occupant Classification System)
In an angled collision:
During a collision, driver/front passenger air bag and the curtain air bag will deploy.
qWarning Light/Beep
A system malfunction or operation conditions are indicated by a warning.
Refer to Warning/Indicator Lights on page 4-15.
Refer to Air Bag/Front Seat Belt Pretensioner System Warning Beep on page 7-32.
Essential Safety Equipment
SRS Air Bags
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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
equipmentTypes of collision
A severe frontal/near frontal
collisionA severe side
collisionA roll-over/near
roll-over
*3A rear collision
Front seat
belt
pretensionerX*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
bagX
Front
passenger air
bagX
*1
Side air bagX*1(impact side only)
Curtain air
bagX*2X (impact side only) X (both sides)
X: The SRS air bag equipment is designed to deploy in a collision.
*1(With Driver and 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 Driver and Front Passenger Occupant Classification System)
In an angled collision, the curtain air bag might deploy.
*3(With Driver and 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 polesFrontal 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
Essential Safety Equipment
SRS Air Bags
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Roll-over (Without Driver and Front Passenger Occupant Classification System)
(With Driver and 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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