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 InspectionBlind Spot Monitoring (Bsm) Off Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the BSM OFF switch..
3. Verify that the resistance between BSM OFF switches B and C is as indicated
in the table.
If the resistance cannot be verified as indicated in the table, replace the
cluster switch.
4. Apply batte ...
Customer Assistance (U.S.A.)
Your complete and permanent satisfaction is our business. We are here to serve
you. All Authorized Mazda Dealers have the knowledge and the tools to keep your
Mazda vehicle in top condition.
If you have any questions or recommendations for improvement regarding the service
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Rear Window Glass Removal
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Liftgate upper trim.
b. Liftgate side trim.
c. Liftgate recess.
d. Liftgate lower trim.
e. Rear spoiler.
f. Rear wiper arm and blade.
g. Rear wiper motor.
3. Using a screwdriver wrapped in protective tape, ...