Toyota 73970-52010-B1 Air Bag Assy, Instrument Panel Passenger

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Driver's and front seat passenger's airbags are standard on most models, with the driver's airbag located in the steering wheel and the passenger's unit in the facia, designed to deploy during head-on collisions. Later models may include side airbags that activate during lateral impacts, and the system is armed when the ignition is on, with a reserve power source available if the main electrical supply fails. Activation occurs through 'g' sensors in the electronic control unit, which also manages front seat belt tensioners. Airbags inflate rapidly via gas generators, posing a risk of injury if deployed unintentionally. Precautions when working on vehicles with airbags include not disconnecting the battery while the engine is running, deactivating the system before any work near the airbag, avoiding testing circuits with meters, and consulting a dealer if the airbag warning light activates. When handling an airbag, it should be transported bag upwards, kept close to the body, and protected from impacts, while dismantling or connecting electrical equipment to the airbag circuit is prohibited. For storage, the airbag should be kept in a cupboard with the bag upwards, away from high temperatures and flames, and any faulty units should not be reused. Deactivation of the airbag system requires switching off the ignition, removing the key, disconnecting the battery negative lead, insulating the terminal, and waiting at least two minutes before proceeding with any work.

Remove the air cleaner, disconnect the sensor wiring plug, unscrew the two sensor mounting bolts, and withdraw the sensor.