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Driver-side air bag module

Purpose

• When the vehicle receives an impact from a frontal or frontal offset collision, the driver-side air bag module operates (deploys) the air bag to mediate the impact to the head and face of the driver.

Function

• When the driver-side air bag module receives an impact from a frontal or frontal offset collision, the air bag is operated (deployed) by the operation signal sent from the SAS control module.

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Structure/construction

• The driver-side air bag module is located in the center of the steering wheel.

• The driver-side air bag module consists of the inflator and air bag.

• The inflator consists of the igniter, ignition agent, gas-generating agent and the filter.

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Operation

• The driver-side air bag module operates (deploys) the air bag by activating the internal inflator.

• The inflator operates in the following order:

1. When an operation (deployment) signal is received from the SAS control module, the igniter built into the inflator generates heat and ignites the ignition agent.

2. The ignition of the ignition agent causes the combustion of a gas generating agent which forms nitrogen gas.

3. The nitrogen gas is cooled at the filter and the filtrate is injected into the air bag.

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Passenger-side air bag module

Purpose

• When the vehicle receives an impact from a frontal or frontal offset collision, the passenger-side air bag module operates (deploys) the air bag to mediate the impact to the head and face of the front passenger.

Function

• When the passenger-side air bag module receives an impact from a frontal or frontal offset collision, the air bag is operated (deployed) by the operation signal sent from the SAS control module.

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Structure/construction

• The passenger-side air bag module is located in the dashboard.

• The passenger-side air bag module consists of the inflator and air bag.

• The inflator consists of the igniter, ignition agent, gas-generating agent and the filter.

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Operation

• The passenger-side air bag module operates (deploys) the air bag by activating the internal inflator.

• The inflator operates (deploys) in the following order:

1. When an operation (deployment) signal is received from the SAS control module, the igniter built into the inflator generates heat and ignites the ignition agent.

2. The ignition of the ignition agent causes the combustion of a gas generating agent which forms nitrogen gas.

3. The nitrogen gas is cooled at the filter and the filtrate is injected into the air bag.

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