LIGHTING SYSTEM


  1. FUNCTION OF MAIN COMPONENTS

    Component Function
    Skid Control ECU Manages signals from each sensor and sends the operation signal of the emergency brake signal to the stop light control ECU assembly.
    Yaw Rate Sensor Detects vehicle acceleration and sends the information to the skid control ECU.
    Speed Sensor Detects the wheel speed of each of the 4 wheels.
    Stop Light Switch Assembly Detects the brake pedal depressing signal.
    Hazard Warning Signal Switch Assembly Sends the operation signal of the hazard warning light to the skid control ECU and the hazard warning light.
    Hazard Warning Light Blinks when a signal is received from the hazard warning signal switch assembly.
    Stop Light Control ECU Assembly The stop light and high mount stop light are made to blink in accordance with the hazard warning light and the operation signal of the emergency brake signal from the skid control ECU.
    Rear Combination Light Assembly Stop Light Blinks when a signal is received from the stop light control ECU assembly.
    High Mount Stop Light

  2. SYSTEM CONTROL


    1. Operating Condition


      1. The operating conditions for the emergency brake signal are listed below. When the emergency brake signal is vehicle by the skid control ECU, the skid control ECU causes the stop light control ECU assembly to blink the stop lights. When the emergency brake signal stops being received, the skid control ECU causes the stop light control ECU assembly to stop blinking the stop lights.

        Condition Details
        Emergency Brake Signal Operating Conditions

        Activates when all of the following conditions are satisfied:


        • The vehicle speed is 55 km/h (34 mph) or more.

        • The system judges from the depression of the brake pedal and a drop in vehicle speed that emergency braking is occurring.
        Emergency Brake Signal Ending Conditions

        Stops the operation when any of the following conditions is met:


        • The system judges from the vehicle's deceleration that no emergency braking has occured.

        • The hazard warning light is blinking.

        • The brake pedal is released.