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 InspectionMagnetic Clutch Disassembly/Assembly [Full Auto Air Conditioner]
1. Disassemble in the order indicated in the table.
1
Bolt
(See Bolt Removal/Installation Note.)
2
Pressure plate
3
Shim
(See Shim Installation Note.)
4
Snap ring
(See Snap Ring ...
Control System [Manual Air Conditioner]
Outline
Refrigerant pressure sensor adopted in which refrigerant pressure is changed
into a linear electric signal and precise information is transmitted.
Climate control unit with enlarged operation dials and switches adopted
Structural View
System Wiring Diagram
...
Warning/Indicator Lights
Warning (Display Indication)
Message information such as system operations or malfunctions is indicated in
the display. Check the vehicle condition or have the vehicle inspected at an Authorized
Mazda Dealer according to the indication.
Brake System Warning Light
This warning has th ...