Brake Assist Operation

In the event of emergency braking, the skid control ECU detects the driver's intention based on the speed of the pressure increase in the master cylinder determined by the pressure sensor signal. If the ECU judges the need for the additional brake assist, the fluid pressure is generated by the pump in the actuator and directed to the wheel cylinder to apply a greater fluid pressure than the master cylinder. Also in the following cases, the skid control ECU provides brake assist.

The brake assist system is activated, each solenoid operates as shown in the table on the next page. ► System Diagram (TMC Made Models) •

Brake Actuator

Brake Actuator

025CH43P

Brake Actuator

Brake Actuator

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