Toyota 89178-06030 Sensor, Seat Position Air Bag

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All models are equipped with a Supplemental Restraint System (SRS), commonly known as an airbag, which is designed to protect the driver and front seat passenger in the event of a head-on or frontal collision. The system includes impact sensors behind the front bumper, an airbag module in the steering wheel and instrument panel, and a sensing/diagnostic module in the center of the vehicle. Some models also have side impact airbags and side curtain airbags. The airbag module on the driver's side is located in the steering wheel and inflates almost instantaneously when an electrical signal is sent. The passenger's side airbag is mounted above the glove compartment and is larger than the steering wheel mounted unit. Side impact airbags are located in the seat backs, while side curtain airbags come out of the headliner and protect the heads of both front and rear seat passengers. The sensing and diagnostic module supplies current to the airbag system and checks its operation every time the vehicle is started. It is important to disarm the system before working on any SRS components and to handle airbag modules with caution. Component removal and installation procedures vary depending on the specific airbag module.