DRIVE-BY-WIRE CONTROL OUTLINE [L3 Turbo]

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• The drive-by-wire control calculates the optimum target throttle valve opening angle at all ranges of engine speeds and controls the throttle valve actuator.

• The drive-by-wire control includes idle speed control, accelerator control, traction control, cruise control, excess vehicle speed control and brake override system.

Control List

Control name	Control Outline
Idle speed control	• In order to ensure idling stability, the PCM controls the throttle valve and sets an optimal throttle valve opening angle based on the engine operating conditions.
Accelerator control	• The throttle actuator is controlled to the appropriate throttle opening angle according to the accelerator opening angle, gear position, and engine speed.
Traction control	• Controls the throttle valve opening angle by torque up/down request signals from the DSC HU/CM.
Cruise control (With cruise control system)	• Sets the vehicle speed by operation of the cruise control switch and controls the throttle valve opening angle so that it becomes close to the set vehicle speed.
Excess vehicle speed control	• If the vehicle reaches a high speed, the throttle valve is closed to keep the vehicle speed below the speed limit.
Brake override system (from BL**-198281,BL1*-239890)	• If the brake pedal is depressed with the accelerator pedal depressed, the vehicle can be stopped safely by closing the throttle valve. As a result, the brake operation takes priority over the accelerator pedal operation.