System Outline

* To realize an optimal maneuverability of the driver, the steering gear ratio is calculated from the steering angle and vehicle speed signals to operate the actuator.

* When the system has abnormality, the power relay (Built in the ECU) is shut off and the assistance is stopped by inserting the lock bar (Built in the actuator), resulting in lighting the warning lamp (The master warning) in the meter.

* The front wheel turning angle is controlled according to signals from the skid control ECU.

* The system reaches an ignition judgment to deploy the following device based on the signals received from the front airbag sensor and deceleration sensor.

• Driver Airbag
• Front Passenger Airbag
• Knee Airbag
• Seat Belt Pretensioner

* The system reaches an ignition judgment to deploy the following device based on the signals received from the side airbag sensors.

• Side Airbags
• Curtain Shield Airbags

* The dual-stage SRS airbag system has been used for the driver and front passenger airbags. This system controls the optimal airbag inflation by judging the extent of impact, seat position (driver seat) and whether or not the seat belt is fastened (driver seat) and information from the Front Passenger Occupant Classification System.

* The front passenger occupant classification system judges whether the front passenger seat is occupied by an adult or child (with child seat) or is unoccupied, according to the load applied to the front passenger seat, the load applied to the belt tension sensor (passenger), and whether the seat belt is buckled (passenger). Based on the results, it restricts the deployment of the front passenger airbag, front passenger side airbag, and front passenger seat belt pretensioner. In addition, the system informs the driver of the result of the judgment through the use of the AIRBAG ON/OFF indicator lights.

* The airbag sensor assembly transmits a signal to the body ECU in order to release the door lock.

* The airbag sensor assembly transmits a signal to the hybrid vehicle control ECU in order to control hybrid high voltage cut off.

* The airbag sensor assembly transmits a signal to the mayday ECU in order to report the emergency.