Hydraulic Circuit Of Hba (Hydraulic Brake Assist) - SSANGYONG Kyron Repair Manual

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12. HYDRAULIC CIRCUIT OF HBA (HYDRAULIC BRAKE ASSIST)

The above figure shows one front and one rear wheel and the same hydraulic circuit forms as in the ESP operation.

When HECU recognizes that it is an emergency and it is required for hard braking, depending on the pressure value

of the brake pressure sensor and pressure changes caused by the pressure sensor timing, it operates the pump

immediately to apply the brake pressure at the wheels. Then, the pressure in the pump increases until just before

the corresponding wheel gets locked. The motor still keeps rotating and the outlet valve and the separation valve are

will stay closed.

When the wheel starts to lock, the HBA function cancels and switches to ABS operation.

EFFECTIVE DATE

AFFECTED VIN

Separation valve

ABS/ESP SYSTEM

KYRON SM - 2005.09

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