LIGHTING SYSTEM CONTROL EMERGENCY BRAKE SIGNAL

  1. FUNCTION OF MAIN COMPONENTS

    Component

    Function

    Brake Actuator Assembly

    • Skid Control ECU

    Receives various signals and transmits an emergency brake signal to the combination meter assembly.

    Combination Meter Assembly

    Receives an emergency brake signal and flashes the hazard warning signal lights.

    Hazard Warning Signal Switch Assembly

    Outputs a hazard warning signal switch assembly on signal to the combination meter assembly.

    Speed Sensors

    Detect the wheel speed of each of the 4 wheels.

    Stop Light Switch Assembly

    Detects the brake pedal depressing signal.

  2. SYSTEM CONTROL

    1. The activating and deactivating conditions for the emergency brake signal are as shown in the following table:

      Condition

      Details

      Emergency Brake Signal Operating Conditions

      When all of the following conditions are met, the emergency brake signal starts operating:

      • Vehicle speed is above 55 km/h (35 mph).

      • Driver is depressing the brake pedal.

      • Emergency braking is detected from the vehicle deceleration.

      • Driver has not pressed the hazard warning signal switch assembly.

      Emergency Brake Signal Ending Conditions

      When any of the following conditions is met, the emergency brake signal stops operating:

      • Driver has released the brake pedal.

      • Emergency braking is no longer detected from the vehicle deceleration.

      • Driver has pressed the hazard warning signal switch assembly.