To apply auxiliary brake pressure with good responsiveness even when a fast output of the auxiliary brake pressure is necessitated, for example, when an abrupt steering operation is necessitated.
When such a vehicle behavior stabilization control is performed that a braking controlled variable is generated in at least one of front and rear outer turning wheels WFL, WRL (WFR, WRR) to stabilize the behavior of a vehicle 10 and such a condition is satisfied that the braking controlled variable is generated in each of the front and rear outer turning wheels WFL, WRL (WFR, WRR), the auxiliary brake pressure is applied to at least one of the front and rear outer turning wheels WFL, WRL (WFR, WRR). The application of the auxiliary brake pressure is performed when a steering operation toward the direction reverse to that of the turning behavior of the present vehicle 10 is detected during the time to perform the vehicle behavior stabilization control.
Kenta Ito