Kia Sorento: Description and Operation
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Airbag Control Unit (ACU)
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The airbag control unit determines whether and when to deploy the airbag and the seat belt
pretensioner.
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It supplies the power required for deployment at the time of deployment of the airbag or seat belt
pretensioner.
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The airbag control unit main functions.
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Collision detection and passenger boarding detection.
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Rollover accident detection.
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Airbag system self diagnosis.
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When a fault in the airbag system, displayed a warning lamp.
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When an accident the vehicle, supply of high-voltage cut-off signal.
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Front Impact Sensor (FIS) : When the event of a head-on collision, the airbag control unit uses the front
impact sensor signal to determine whether and when to deploy the driver airbag, passenger airbag, knee airbag,
and seat belt pretensioner.
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Side Impact Sensor (SIS)
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The side impact sensor consists of the pressure type side impact sensor sensing the collision
pressure, and the acceleration type side impact sensor sensing the collision acceleration.
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When the event of a side collision, the airbag control unit uses the side impact sensor signal to
determine whether and when to deploy the side airbag, curtain airbag.
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Component
1. Front Impact Sensor (FIS)2. Airbag Control Unit
(ACU)3. Front Acceleration type Side Impact Sensor (A-SIS)
4. Pressure type Side Impact Se...
On Vehicle Inspection
Diagnostic with KDS
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The side impact sensor can be more quickly diagnosed for problems with the K...
Components and Components Location
Acceleration type Side Impact Sensor (A-SIS) On Vehicle Inspection
