How an Airbag Sensor Works

Here's a tear down on how an airbag sensor works. An airbag sensor is responsible for detecting sudden deceleration in a collision. It sends a signal to the airbag computer which use the vehicle speed, yaw, seat belt and ECU to determine if an airbag should deploy in a crash. There's two types of mechanical airbag sensors, the cam type and ball and tube style. The ball and tube style of airbag sensor consists of a ball, in a tube, held to one side by a magnet. When the sensor experiences shock,

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