DYNAMIC STABILITY CONTROL
04–15–5
04–15
DSC HU/CM CONSTRUCTION
E5U041543750N01
• A high reliability, reduced size and weight DSC
HU/CM, integrating both the DSC HU and the
DSC CM, has been adopted.
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DSC HU PART FUNCTION
E5U041543750N02
• According to DSC CM signals, the DSC HU controls (on/off) each solenoid valve and the pump motor, adjusts
fluid pressure in each caliper piston, and actuates each function (ABS, EBD (Electronic Brakeforce
Distribution), TCS and DSC) of the DSC system.
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DSC HU PART CONSTRUCTION/OPERATION
E5U041543750N03
Construction
Function of main component parts
E5U415ZS5003
Part name Function
Inlet solenoid valve
• Adjusts the fluid pressure in each brake system according to DSC HU/CM
signals.
Outlet solenoid valve
• Adjusts the fluid pressure in each brake system according to DSC HU/CM
signals.
Stability control solenoid valve
• Switches the brake hydraulic circuits during and according to normal braking,
ABS and EBD control, TCS control and DSC control.
Traction control solenoid valve
• Switches the brake hydraulic circuits during and according to normal braking,
ABS and EBD control, TCS control and DSC control.
Reservoir
• Temporarily stores brake fluid from the caliper piston to ensure smooth
pressure reduction during ABS and EBD control, TCS control and DSC control.
Pump
• Returns the brake fluid stored in the reservoir to the master cylinder during ABS
and DSC control.
• Increases brake fluid pressure and sends brake fluid to each caliper piston
during TCS control and DSC control.
Pump motor • Operates the pump according to DSC HU/CM signals.
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