Mazda CX-5 Service & Repair Manual: Power Brake Unit
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
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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
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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
1. Remove the battery..
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, add brake fluid, bleed the air, and inspect for fluid
...
Power Brake Unit Inspection
NOTE:
The following inspection methods are simple inspection methods to judge the
function of the power brake unit.
If there is any malfunction in the power brake unit, replace the ...
Other materials:
Cruise Main Indicator Light (Amber)
Purpose/Function
Illuminates while the cruise control system is in standby mode to inform
the driver that the cruise control system is on standby.
Construction
Built into the instrument cluster.
Operation
Illuminates while the cruise control system is on sta ...
Air Bag System Warning Alarm [Two Step Deployment Control System]
Purpose
The air bag system warning alarm notifies the driver that a malfunction occurred
in the air bag system instead of the air bag system warning light.
Function
If a malfunction occurs in the air bag system while the air bag system warning
light cannot illuminate, the a ...
Oil Control Valve (OCV) Inspection
Coil Resistance Inspection
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Disconnect the OCV connector.
4. Measure the resistance between terminals A and B using an ohmmeter.
OCV coil resistance
6.9—7.5 ohms [20°C {68°F}]
If not as ...
