4-Way Valve 1 7 - 1 - Honda Prelude 1993 Service Manual

System Description
4-Way Valve
Mounted on ihe lower side of the gearbox is a 4-way valve that is moved horizontally by a pin on the pinion holder to shift
tluid pressure to the right or left side of the power cylinder when the steering wheel is turned.
It has thrust pins at both ends, and two inter-connected reaction chambers, one on each side.
Each reaction chamber contains a pair of spring-loaded plungers that rise against right and lelt thrust pins.
The valve body fluid passages are controlled by the 4-way valve.
Fluid pressure in the reaction chambers is reduced by the gain control valve in order to change the amount of the assist in
accordance with the change in the car's speed
VALVE BODY UNIT
SENSOR ORIFICE
RESERVOIR
POWER CYLINDER
L _ _ _ _ _ _ _ _
FLOW CONTROL VALVE
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GAIN CONTROL VALVE
4-WAY VALVE +
I
matl ontrtce
l r >
i ----------JJ-l-
+WAY VALVE
17-10