2008 MAZDA MODEL CX-7 sensor

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Do not modify the supplemental restraint system:Modifying the components or wiring of the supplemental restraint system is
dangerous. You could accidentally activate it or make it inoperable. Do not make
any modifications to the supplemental restraint system. This includes installing trim,
badges, or anything else over the air bag modules. It also includes installing extra
electrical equipment on or near system components or wiring. An Authorized Mazda
Dealer can provide the special care needed in the removal and installation of front
seats. It is important to protect the air bag wiring and connections to assure that the
bags do not accidentally deploy, the driver seat slide position sensor and front
passenger seat weight sensors are not damaged and that the seats retain an
undamaged air bag connection.
NOTE
lWhen an air bag deploys, a loud inflation noise can be heard and some smoke will be released.
Neither is likely to cause injury, however, the texture of the air bags may cause light skin injuries
on body parts not covered with clothing through friction.
lShould you sell your Mazda, we urge you to tell the new owner of its air bag systems and that
familiarization with all instructions about them, from the Owner's Manual, is important.
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Supplemental Restraint System Components
(1)(11)
(12) (7)
(6)
(9) (9)
(5)
(4)
(3)
(2)
(3)
(10)
(8)
(8)
(8)
(1) Driver seat slide position sensor (page 2-60)
(2) Side and curtain inflators and air bags
(3) Driver/Front passenger dual stage inflators and air bags
(4) Air bag/front seat belt pretensioner system warning light (page 2-56)
(5) Crash and roll-over sensors, and diagnostic module (SAS unit)
(6) Front passenger air bag deactivation indicator light (page 2-60)
(7) Front air bag sensor
(8) Side crash sensor
(9) Front seat belt pretensioner and load limiting systems (page 2-19)
(10) Front passenger seat weight sensors (page 2-60)
(11) Front passenger seat weight sensor control module
(12) Driver and front passenger seat belt buckle switches (page 2-64)
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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 or roll-over accidents.
qDriver Air Bag
The driver air bag is mounted in the steering wheels.
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.
The driver, dual stage air bag controls air bag inflation in two energy stages. During an
impact of moderate severity the driver air bag deploys with lesser energy, whereas during
more severe impacts, it deploys with more energy.
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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. 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 2-60).
qSide Air Bags
The side 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. 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 2-60).
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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.
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.
The only one side of curtain air bag will deploy
only on the side the vehicle receives the force of
the impact.
In a roll-over:
In response to a vehicle roll-over, both the curtain air bags inflate.
Both curtain air bags will deploy after
the roll-over accident is detected.
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Driver and Front Passenger Occupant Classification System
First, please read“Supplemental Restraint System (SRS) Precautions” (page 2-47)
carefully.
q Driver Seat Slide Position Sensor
Your vehicle is equipped with a driver seat slide position sensor as a part of the
supplemental restraint system. The sensor is located under the driver seat. The sensor
determines whether the driver seat is fore or aft of a reference position and sends the seat
position to the diagnostic module (SAS unit). The SAS unit is designed to control the
deployment of the driver air bag depending on how close the driver seat is to the steering
wheel.
The air bag/front seat belt pretensioner system warning light flashes if the sensor has a
possible malfunction (page 2-56)(Air Bag/Front Seat Belt Pretensioner System Warning
Light).
qFront Passenger Seat Weight Sensors
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. The
SAS unit is designed to prevent the front passenger front and side air bags and seat belt
pretensioner system from deploying if the total seated weight is less than approximately 30
kg (66 lb).
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:
lThere is no passenger in the front passenger seat. (The front passenger air bag
deactivation indicator light does not illuminate.)
lThe total seated weight on the front passenger seat is less than approximately 30 kg (66
lb). (The front passenger air bag deactivation indicator light illuminates.)
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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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.
If the front passenger weight sensors are normal, the indicator light illuminates when the
ignition switch is turned to the ON position. For a specified of time it goes out.
The front passenger air bag deactivation indicator light illuminates or is off under the following conditions:Total seated weight on the front passenger seat Front passenger air bag
deactivation indicator light Front passenger front and
side air bags Front passenger seat
belt pretensioner
system
Empty (Not occupied)
*OFF Deactivated Deactivated
Less than approx. 30 kg
(66 lb) ON
Deactivated Deactivated
Approx. 42 kg (93 lb) or
more OFF
ReadyReady
* If the front passenger seat belt is buckled, the front passenger air bag deactivation indicator light illuminates, however this does not indicate a malfunction.
Curtain air bag is ready for inflating despite the chart above.
If the front passenger air bag deactivation indicator light does not illuminate when the
ignition switch is turned to the ON position 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.
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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 from the total seated weight of
approximately 42 kg (93 lb) 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 from the total seated
weight of approximately 42 kg (93 lb) could result in an air bag not deploying under
the following conditions, for example:
ØA rear passenger pushes up on the front passenger seat with the feet.
Ø Luggage or other items placed under the front passenger seat or between the
front passenger seat and driver seat that push up the front passenger seat
bottom.
Ø The front passenger seat occupant sits in a manner that does not place the entire
weight of the occupant on the seat such as by sitting too close to the door,
grasping the assist grip or the rim of the moonroof and sitting with the seatback
reclined too far.
Ø Any accessories which might decrease the total seated weight on the front
passenger seat are attached to the front passenger seat.
The front passenger front and side air bags and seat belt pretensioner systems will
deactivate if the total seated weight on the front passenger seat is close to 30 kg (66
lb) and they will reactivate before the weight exceeds 42 kg (93 lb).
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