Active Torque Split (ATS) All-Wheel Drive

Mazda CX-9 is equipped with Mazda’s Active Torque Split all-wheel drive system. The all-wheel drive system achieves a fine balance between sporty control and handling stability on snowy or wet surfaces, or under other challenging road conditions, that makes it particularly enjoyable to drive. Power and torque are effectively transferred to the road surface for maximum efficiency and performance.

The system uses real-time input data on steering angle, yaw rate, lateral G force and engine status to determine road surface and driving conditions. The active torque coupling mounted in front of the rear differential is electronically controlled accordingly, adjusting front/rear wheel torque distribution between 100:0 and 50:50 to deliver optimum drive power to each wheel. The result is powerful acceleration and positive handling regardless of constantly changing road conditions, as well as the ability to fully balance the car in a turn by deft use of the accelerator pedal.

Traction Control System (TCS)

Wheel speed sensors determine when a wheel loses traction and as a result, engine torque to that wheel is reduced. Brakes are applied to the traction-less wheel and it is slowed down to match speed of the other driven wheel(s). TCS is a standard feature on all Mazda vehicles.

TCS control actuates torque reduction through electronic throttle control, fuel cut and ignition timing control, as well as using brake control to control traction.

The left and right wheels are controlled at the same time by electronic throttle control, fuel cut and ignition timing control. Therefore, when the road surface friction differs between the left and right wheels, proper torque reduction cannot be performed separately for each wheel. When this occurs, torque reduction is performed by independent left and right wheel brake control, providing stable vehicle control.

Roll Stability Control (RSC)

CX-9 and BT-50 are prevented from rolling by a sophisticated Roll Stability Control (RSC) system. RSC measures signals from the roll rate sensor and the wheel speed sensor and adjusts braking and/or torque to counter any roll movement.

With RSC, roll movement is measured based on signals from the roll rate sensor (detects roll angle) and the wheel speed sensor (detects tyre rise). Brakes and/or torque are then applied to effect a roll moment in the opposite direction. As a result, the vehicle recovers rather than rolling over.

Dynamic Stability Control (DSC)

DSC helps prevent understeer or oversteer by managing the braking force and engine torque delivered to individual wheels. DSC helps you stay on track under any road conditions. DSC is a standard feature on all Mazda vehicles.