Operation CHARM: Car repair manuals for everyone.

Impact Sensor: Description and Operation

Safety Sensor and Electric Sensor are built into the airbag control module.

SAFETY SENSOR:





Safety Sensor is the pendulum type sensor. If the sensor receives a frontal impact exceeding a certain limit, the mass in the sensor revolves forward to turn the switch ON.

ELECTRIC SENSOR:





Electric sensor consists of the semiconductor type sensor which senses the deceleration at collision by the change of the electrical resistance and the impact sensing circuit.