Except for Mexico

Active trace control function controls the braking utilizing the ABS actuator and electric unit (control unit), depending on cornering condition calculated from driver's steering input and plural sensors.
Active trace control function is aimed to enhance traceability at corners and smooth the vehicle movement to provide confident driving.
When the drive mode select switch is set to the "SPORT" mode, the amount of brake control provided by active trace control is reduced.
For "PERSONAL" mode, the active trace control can be selected ON or OFF. Refer to System Description .
When the VDC OFF switch is used to turn OFF the VDC system, the active trace control system is also turned OFF.
When the active trace control is operated, active trace control graphics are shown on the information display of combination meter. These are shown only when "Chassis control" is selected on the information display. Refer to System Description .
When the active trace control is not functioning properly, the master warning lamp illuminates. Warning message "Chassis control" will also appear on information display.

NOTE:

The active trace control may not be effective depending on the driving condition. Always driving carefully and attentively.
Brake pedal may vibrate and brake pedal feel may change during active trace control operation. Also operation noise may be noticeable during operation. These are not abnormal conditions. Even if the drive feeling may also be deceleration during operating system, this is not abnormal.
When the active trace control is selected OFF, some functions will be kept ON to assist driver. (For example, avoidance condition.)

OPERATION CHARACTERISTICS

Active trace control helps enhance the transition from braking into and then accelerating out of corners. Active trace control utilizes the vehicle's electrically-driven intelligent brake system to help improve cornering feel by automatically applying brakes. Furthermore, Active trace control will apply selective braking to help create increased steering response in S-turns. For example, if driving through an S-turn that starts with steering to the right, the right-side brakes are engaged to create a yaw moment and help turn the vehicle.

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Brake control amount is controlled according to steering operation status by the driver and vehicle cornering status.

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During cornering, the brake control system limits changes in steering angle by controlling the inner ring brakes according to accelerator pedal operation and allows smooth movement of the vehicle to achieve stable cornering.

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When performing quick lane changes, and other excessive steering operations, the brake is operated automatically, and erratic vehicle behavior due to steering operation is reduced.

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The brake is controlled according to the steering operation condition of the driver and the cornering condition of the vehicle.

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SYSTEM DIAGRAM

NOTE: Steering force control module is applied to models with Direct adaptive steering system.

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INPUT SIGNAL AND OUTPUT SIGNAL

Major signal transmission between each unit via communication lines is shown in the following table.

Component	Signal description
Steering force control module ^*	Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN communication. Steering pinion angle signal Direct adaptive steering malfunction signal
ECM	Mainly transmits the following signals to chassis control module via CAN communication. Accelerator pedal position signal Engine torque signal Engine speed signal
TCM	Mainly transmits the following signals to chassis control module via CAN communication. Current gear position signal
ABS actuator and electric unit (control unit)	Mainly transmits the following signals to chassis control module via CAN communication. Front LH wheel speed signal Front RH wheel speed signal Rear LH wheel speed signal Rear RH wheel speed signal TCS operation signal VDC operation signal Stop lamp switch signal Side G signal VDC OFF switch signal Brake fluid pressure signal Steering angle sensor signal Chassis control permission signal Mainly receives the following signals from chassis control module via CAN communication. Active trace control signal
Steering angle sensor	Mainly transmits the following signals to chassis control module via CAN communication. Steering angle sensor signal
AV control unit	Mainly transmits the following signals to chassis control module via CAN communication line. System selection signal
Combination meter	Mainly receives the following signals from chassis control module via CAN communication. Chassis control module malfunction display request signal Active trace control display request signal
Drive mode select switch	Mainly transmits the following signals to chassis control module. Drive mode signal

*: Models with Direct adaptive steering system.