System components: 1 - airbag, 2 - igniter, 3 - sensor, 4 - fuse bracket, 5 - fuse bolt, 6 - steering wheel pad, 7 - steering wheel
SRS Sensor: 1 - Pressure spring, 2 - Pressure pin, 3 - Lever, 4 - Igniter needle, 5 - Ball, 6 - Cylinder. 7 - Igniter spring, 8 - Lever engaged with igniter needle, 9 - Lever releases igniter needle
The airbag system consists of a sensor, an igniter, and an airbag installed in the steering wheel. The system is activated mechanically. When the vehicle slows down sharply, the ball in the sensor, by force of inertia, presses the lever, releasing the igniter needle.