
CHASSIS - BRAKE
CH-66
VSC not
VSC Activated
Item
VSC not
Activated
Increase
Mode
Holding
Mode
Reduction
Mode
(1), (2)
Master Cylinder Cut Solenoid
Valve
ON
(Close)
ON
(Close)
ON
(Close)
ON
(Close)
(1), (2)
Port: (A), (B)
(Close)
(Close)
(Close)
(Close)
(3)
Pressure Appliance
Solenoid Valve
OFF
(Close)
ON
(Half Open*)
OFF
(Close)
OFF
(Close)
(3)
Port: (C)
(Close)
(Half-Open*)
(Close)
(Close)
(5)
Pressure Appliance
Solenoid Valve
OFF
(Close)
OFF
(Close)
OFF
(Close)
OFF
(Close)
(5)
Port: (E)
(Close)
(Close)
(Close)
(Close)
Front
Brake
(7)
Pressure Reduction
Solenoid Valve
OFF
(Close)
OFF
(Close)
OFF
(Close)
ON
(Half Open*)
Brake
(7)
Port: (G)
(Close)
(Close)
(Close)
(Half-Open*)
(9)
Pressure Reduction
Solenoid Valve
OFF
(Close)
OFF
(Close)
OFF
(Close)
OFF
(Close)
(9)
Port: (I)
(Close)
(Close)
(Close)
(Close)
Wheel
Cylinder
Right
—
—
—
—
Cylinder
Pressure
Left
—
Increase
Hold
Reduction
(4)
Pressure Appliance
Solenoid Valve
OFF
(Close)
OFF
(Close)
OFF
(Close)
OFF
(Close)
(4)
Port: (D)
(Close)
(Close)
(Close)
(Close)
(6)
Pressure Appliance
Solenoid Valve
OFF
(Close)
ON
(Half Open*)
OFF
(Close)
OFF
(Close)
(6)
Port: (F)
(Close)
(Half-Open*)
(Close)
(Close)
Rear
Brake
(8)
Pressure Reduction
Solenoid Valve
OFF
(Open)
ON
(Close)
OFF
(Open)
ON
(Half Open*)
Brake
(8)
Port: (H)
(Open)
(Close)
(Open)
(Half-Open*)
(10)
Pressure Reduction
Solenoid Valve
OFF
(Open)
ON
(Close)
ON
(Close)
ON
(Half Open*)
(10)
Port: (J)
(Open)
(Close)
(Close)
(Half-Open*)
Wheel
Cylinder
Right
Increase
Hold
Reduction
Cylinder
Pressure
Left
—
Increase
Hold
Reduction
(11)
Stroke Simulator Cut Solenoid
Valve
ON (Open)
ON (Open)
ON (Open)
ON (Open)
(11)
Port: (K)
ON (Open)
ON (Open)
ON (Open)
ON (Open)
*: The solenoid valve constantly regulates the amount of opening of the port in accordance with the use
conditions in order to control the fluid pressure.