AIR BAG SYSTEMS

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AIR BAG SYSTEMS
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AIR BAG SYSTEM
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Air Bag Systems

• How do they operate ?

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.200 of a Second and its Over

• .00 sec. -crash initiated
• .015 sec. -crash sensors have detected the impact.

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Intergrated Controller

• .016 Controller evaluates crash sensor data and
  determines if the crash is severe enough for
  airbag deployment

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Inflation

• .017 sec. Automatic belt tensioners activated.
• .018 sec. Drivers side and passenger side
  inflators deploy .

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MOMENT OF TRUTH
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CLOCK SPRING ASSEMBLY
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CRASH SENSOR
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CRASH SENSOR
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AIR BAG CONTROL MODULE
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AIR BAG DIAGNOSIS

• FLASH CODES USUALLY HARD CODE
• MUST DISCONNECT CLOCK SPRING WHEN SERVICING AIR
  BAG SYSTEM
• USUALLY PINPOINT TEST TO LOCATE FAULT. DVOM
• POWERED UP FOR 15 MINUTES
• MUST DISCONNECT POWER MODULE