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3. AIRBAG FUNCTION DESCRIPTION
1) Bag (Cushion)
The airbag system performance is influenced on the cushion size, shape and position.
The cushion strength is a important parameter on the impact absorb effect.
Therefore, the control of the airbag performance depends on cushion size, shape, inflato
r
characteristic and vent hole size for the gas discharge.
The cushion’s material and folding function to control the cushion deployment
direction and the performance to protect passenger’s face. ·
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·
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2) Airbag Module
The driver airbag module is under the center pad of the steering wheel.
The passenger airbag module is installed in the instrument panel at passenger side.
The driver and passenger side airbag is inside each seat.
3) Module Cover/Housing
It is a type of a container that includes the cushion and the inflator.
The module housing functions to deliver the reaction force between the body structure and
the airbag (The airbag reaction is absorbed generally to the steering wheel or instrument
panel).
The module cover must be considered in a viewpoint of protection between exterior,
internal units and cushion. Also the module cover should be designed not to cause any
personal injury for deployment. ·
·
·
Do not disassemble the airbag module because unintentional deployment of the airbags
resulting from any damage or interference of the module can cause injury. -
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AIR BAG SYSTEM
6) Contact Coil
The contact coil is installed between the steering wheel and the steering column and contains a
coil that enables to contact electrically between the airbag wiring harness, the driver airbag
module and the horn switch.
Turning the steering wheel more than three and onequarter turns may damage the clock
spring. The contact coil should never be disassembled and must be replaced if the airbag
have been deployed. -
Turn the label of the clock spring clockwise to lock and turn the label of the clock spring
counterclockwise approximately 2.9 ± 0.2 turns to the neutral positions with the front
wheels ahead.
Align the pointed marks “43”. -
7) Accelometer Sensor
The accelerometer sensor electronically represents the acceleration or deceleration of the
vehicle during a frontal impact.
In this electronic representation, the electrical signal is proportional to the acceleration o
r
deceleration of the vehicle.
8) Safety Sensor
The safety sensor is safety device made up of a dualcontact, electro-mechanical switch that:
Acts independently of the electronic components.
Connects the acceleration sensor in series in order to make up for the weak points in the
current electronic sensor. 1.
2.
