SSANGYONG Kyron Repair Manual page 365

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System Control

The SSPS system, according to the vehicle speed, en-

ables to achieve proper steering characteristics by con-

trolling hydraulic pressure to reaction plunger located in

input shaft of power steering gear box. In other words,

the SSPS control unit enhances the parking conve-

niences by controlling duty type current control. It pro-

vides heavy steerability with low current as the vehicle

speed increases. Also, it provides light steerability with

high current as the vehicle speed decreases.

1. During parking and low speed driving

During parking and driving in low speed, the control unit supplies approx. 1 A of electric current to solenoid valve.

Then, the spool located in PCV compresses the upper spring and elevates upward, and the working pressure from

oil pump (A port) is not able to flow to the reaction plunger (C port). As a result, the pressing force from the reaction

plunger disappears and the steerability enhances.

Solenoid valve

EFFECTIVE DATE

AFFECTED VIN

Balance line

Reaction device

Reaction line

Pinion valve

Vehicle speed [km/h]

Steering gear box

POWER STEERING SYSTEM

KYRON SM - 2005.09

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