Mazda Training manual - part 100

 

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Mazda Training manual - part 100

 

 

Dynamic Driving Safety Systems 

DSC 

 

 

L2003_02035 

 

Master cylinder 

Outlet solenoid valve 

DSC HU/CM 

Brake calliper LR 

Damper chamber 

10 

Brake calliper RF 

Pump motor 

11 

Flow control valve 

Pump 

12 

Stability control solenoid valve 

Reservoir 

13 

Traction control solenoid valve 

Inlet solenoid valve 

14 

Brake fluid pressure sensor 

 

Curriculum Training 

02-59 

DSC 

Dynamic Driving Safety Systems 

Pressure Reduction Mode 

• 

When the CM determines that the applied brake pressure has to be reduced to allow the 
vehicle to follow its desired path, it switches to pressure reduction mode and activates 
the high-pressure pump. The only valve that changes its condition compared to the 
pressure hold mode is the RF outlet solenoid valve, which now opens as a reaction to a 
signal from the CM.  

• 

The brake fluid pressure decreases inside the brake calliper and as a result the applied 
brake force is reduced.  

• 

Pressure is built up between the high-pressure pump and the inlet solenoid valve of the 
brake calliper, to be able to apply brake force again if required. The CM repeats the 
operation as necessary from the beginning.  

 

LF-RR

OFF (open)

RF-LR

ON (closed)

LF-RR

OFF (closed)

RF-LR

OFF (closed)

LF

OFF (open)

RF
LR
RR

OFF (open)

LF

OFF (closed)

RF

ON (open)

LR
RR

Pump motor

ON (operating) 

L2003_T02018

Stability control solenoid valve

ON (closed)

OFF (closed)

Traction control solenoid valve

Inlet solenoid valve

Outlet solenoid valve

 

 
 

02-60 Curriculum 

Training 

Dynamic Driving Safety Systems 

DSC 

 

 

L2003_02036 

 

Master cylinder 

Outlet solenoid valve 

DSC HU/CM 

Brake calliper LR 

Damper chamber 

10 

Brake calliper RF 

Pump motor 

11 

Flow control valve 

Pump 

12 

Stability control solenoid valve 

Reservoir 

13 

Traction control solenoid valve 

Inlet solenoid valve 

14 

Brake fluid pressure sensor 

 

 

Curriculum Training 

02-61 

DSC 

Dynamic Driving Safety Systems 

Bleeding 

NOTE:  In most cases it is not necessary to bleed the HU with the aid of the M-MDS during 

exchange of the brake fluid. Always follow the procedure of the corresponding W/M.  

 
• 

The bleeding procedure for the DSC HU is similar to that for an ABS HU with TCS. If 
possible, the stability control valves must be switched on and bled in addition. 

 
NOTE:  Always perform the manual bleeding procedure before performing any bleeding 

procedure with the aid of the M-MDS 

 

02-62 Curriculum 

Training 

 

 

 

 

 

 

 

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