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 InspectionDischarge Headlight Service Warnings
Discharge Headlight Service Warnings
When replacing a discharge headlight bulb, performing the servicing with
the negative battery cable connected or in a wet work area could result in electrocution.
When replacing a discharge headlight bulb, perform the servicing under the following
...
Brake Pedal Removal/Installation
CAUTION:
The clearance between the brake switch and the brake pedal is automatically
adjusted to the correct amount when the brake switch is inserted into the installation
hole on the brake pedal and rotated to fix in place. If the brake switch is
not properly installed, the clearan ...
Wiper/Washer System Personalization
A customize function has been adopted which switches the auto wiper system
between operable/inoperable.
Using Mazda Modular Diagnostic System (M-MDS)
The auto wiper function can be enabled or disabled using the Mazda Modular
Diagnostic System (M-MDS). Refer to the Workshop M ...