Passenger-Side Air Bag Module Function; Passenger-Side Air Bag Module Construction/Operation - Mazda CX-9 2007 Service Highlights

PASSENGER-SIDE AIR BAG MODULE FUNCTION

Outline
• A dual inflator, divided into inflator No.1 and inflator No.2, has been adopted in accordance with the front air
bag system 2-step deployment control.
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PASSENGER-SIDE AIR BAG MODULE CONSTRUCTION/OPERATION

Inflator Operation
1. The igniter built into the inflator begins to build up heat when the operation (deployment) signal is sent from the
SAS control module. The inflation agent is ignited by the build up of heat in the igniter.
2. The ignition of the inflation agent causes the combustion of an agent which releases nitrogen gas.
3. The nitrogen gas is cooled at the filter, and the filtrate is injected into the air bag.
IGNITER
(INFLATOR NO.1)
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NG: SIDE AIR BAG MODULE
AIR BAG SYSTEM
IGNITION OF INFLATION AGENT
GAS GENERATING
AGENT
GAS GENERATING
AGENT COMBUSTION
TO AIR BAG
NITROGEN
GAS
TO AIR BAG
FILTER
GAS GENERATING
AGENT
GAS GENERATING
AGENT COMBUSTION
TO AIR BAG
TO AIR BAG
id081000101700
id081000101800
IGNITER
(INFLATOR NO.2)
acxuun00000274
08-10–15
08-10