Hydraulic Pressure For Each Esp Operating Range - SSANGYONG Kyron Repair Manual

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When equipped with ABS, the braking force at each wheel will be controlled with 3-channel 4-sensor method. And

when equipped with ESP, 4 wheels will be controlled independently with 4-channel method. (When controlling ABS

system only, it will be operated with 3-channel method.) When compared to the vehicle equipped with ABS/EBD

only, the internal hydraulic circuit has a normally-open separation valve and a shuttle valve in primary circuit and in

secondary circuit. When the vehicle brakes are not applied during engine running or when applying the non-ABS

operating brakes, the normally-open separation valve and the inlet valve are open, whereas the normally-closed

shuttle valve and the outlet valve are closed. When the ESP system is operating, the normally-open separation valve

will be closed by the solenoid valve operation and the hydraulic circuit will be established by the shuttle valve. Then,

the inlet and outlet valves will be closed or open depending on the braking pressure increase, decrease or un-

changed conditions.

For details, refer to "Hydraulic Pressure for each ESP Operating Range".

11. HYDRAULIC PRESSURE FOR EACH ESP OPERATING RANGE

ESP Hydraulic unit in idling and normal braking po-

In this position, the separation valve and the inlet valve

are open (normal open), the electrically operated shuttle

valve and the outlet valve are closed.

When the brake is applied under these conditions, the

brake fluid will be sent to each wheel via the separation

valve and inlet valve.

EFFECTIVE DATE

AFFECTED VIN

chamber Shuttle

ESP Hydraulic unit (decreased pressure)

The pressure decreases just before the wheel speed

drops and the wheels. The inlet valve closes and the

outlet valve opens as in the ABS HECU and the oil is

gathered at the low pressure chamber while no addi-

tional oil is being supplied. Then the pump operates to

allow fast oil drainage.

ABS/ESP SYSTEM

KYRON SM - 2005.09

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