DESCRIPTION OF CONSTRUCTION AND OPERATION



STABILITY CONTROL OPERATION






When brake fluid pressure decreases during ABS operation






VALVE CONDITION
Item
Power status
Open/Close
Cut valve
OFF
Open
Suction valve
OFF
Closed
Inlet valve
ON
Closed
Outlet valve
ON
Open

When brake fluid pressure is held by ABS






VALVE CONDITION
Item
Power status
Open/Close
Cut valve
OFF
Open
Suction valve
OFF
Closed
Inlet valve
ON
Closed
Outlet valve
OFF
Closed

When brake fluid pressure is increased by normal braking or ABS






VALVE CONDITION
Item
Power status
Open/Close
Cut valve
OFF
Open
Suction valve
OFF
Closed
Inlet valve
OFF
Open
Outlet valve
OFF
Closed

When brake fluid pressure is increased by stability control (or increased by TCL)






VALVE CONDITION
Item
Power status
Open/Close
Cut valve
ON
Closed
Suction valve
ON
Open
Inlet valve*
OFF
Open
Outlet valve*
OFF
Closed
note * The inlet valve and the outlet valve close or open depending on driving conditions to control the brake fluid pressure at each wheel.

When brake fluid pressure is held by stability control, TCL or HSA (Hill Start Assist) function






VALVE CONDITION
Item
Power status
Open/Close
Cut valve
ON
Closed
Suction valve
OFF
Closed
Inlet valve*
OFF
Open
Outlet valve*
OFF
Closed
note * The inlet valve and the outlet valve close or open depending on driving conditions to control the brake fluid pressure at each wheel.

When brake fluid pressure is decreased by stability control (or decreased by TCL)






VALVE CONDITION
Item
Power status
Open/Close
Cut valve
OFF
Open
Suction valve
OFF
Closed
Inlet valve*
ON
Closed
Outlet valve*
ON
Open
note * The inlet valve and the outlet valve close or open depending on driving conditions to control the brake fluid pressure at each wheel.

TCL OPERATION




HSA OPERATION