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PRE-CRASH SAFETY SYSTEM SYSTEM DESCRIPTION

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  1. PRE-CRASH SAFETY SYSTEM


    1. The pre-crash safety system optimizes and activates occupant protection equipment in an attempt to reduce injury in a collision.

  2. OUTLINE OF PRE-CRASH SAFETY SYSTEM

    Operating Condition Control Transmitting ECU Receiving ECU Part Operated
    Operates when sudden braking occurs Pre-crash safety seat belts Master cylinder solenoid (skid control ECU) Seat belt control ECU Front seat outer belts

    1. When operating as a result of sudden braking:


      • The master cylinder solenoid (skid control ECU) uses brake pressure information and other data to determine if the driver has suddenly applied the brakes. If so, the master cylinder solenoid (skid control ECU) sends a signal to the seat belt control ECU through CAN communication and the pre-crash safety seat belt activates.

  3. OUTLINE OF PRE-CRASH SAFETY SEAT BELT CONTROL


    1. Pre-crash safety seat belt operation conditions:


      • The driver firmly depresses the brake pedal suddenly

      • The driver oversteers or the vehicle is spinning

    2. Pre-crash safety seat belt non-operation conditions:

      If any of the following conditions are met, the pre-crash safety seat belt does not operate.


      • The seat belts are not fastened

      • The ignition switch is off or ACC

      • The vehicle speed is approximately 30 km/h (18.6 mph) or less

      • When the pre-crash safety seat belts are repeatedly operated and the seat belt control ECU overheats, seat belt operation is prohibited to protect the ECU

      Tip:

      The PCS warning indicator light in the combination meter will blink at this time.