DESCRIPTION — System Description (Cont'd)
BR-7016spec tableSystem Description (Cont'd)
This components controls the hydraulic circuit and increases, holds or decreases hydraulic pressure to all or individual wheels. The ABS actuator and electric unit can not be disassembled and will be serviced as an assembly.
ABS Actuator Operation
ABS Actuator Operation
Normal brake operation
Sub-mode—
Inlet solenoid valveOFF (Open)
Outlet solenoid valveOFF (Closed)
DescriptionMaster cylinder brake fluid pressure is directly transmitted to caliper via the inlet solenoid valve.
ABS operation
Sub-modePressure hold
Inlet solenoid valveON (Closed)
Outlet solenoid valveOFF (Closed)
DescriptionHydraulic circuit is shut off to hold the caliper brake fluid pressure.
ABS operation
Sub-modePressure decrease
Inlet solenoid valveON (Closed)
Outlet solenoid valveON (Open)
DescriptionCaliper brake fluid is sent to reservoir via the outlet solenoid valve. Then it is pushed up to the master cylinder by pump.
ABS operation
Sub-modePressure increase
Inlet solenoid valveOFF (Open)
Outlet solenoid valveOFF (Closed)
DescriptionMaster cylinder brake fluid pressure is transmitted to caliper.