Purpose/Function
A 9.8-inch, single diaphragm type power brake unit has been adopted, achieving compatibility between high braking performance and excellent brake feeling.
Construction
The power brake unit cannot be disassembled. Therefore, if there is any malfunction in the power brake unit, replace the power brake unit without disassembling.

Operation
The depression force of the brake pedal is increased using the vacuum from the vacuum pump, and the force is transmitted to the master cylinder.
Master Cylinder Removal/Installation
Power Brake Unit InspectionHigh Pressure Fuel Pump Control
Outline
Changes the fuel pressure applied to the fuel injector according to engine
operation conditions to improve engine output and startability.
The PCM determines the fuel pressure value corresponding to the engine operation
conditions based on the each input signal, and driv ...
Non Return Valve Inspection
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring ...
How to Use This Manual
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manual, when read from cover to cover, can do that in many ways.
Illustrations complement the words of the manual to best explain how to enjoy
your Mazda. By reading your manual, you can find out about the fea ...