Mazda CX-5 Service & Repair Manual: Vacuum Pump [Skyactiv G 2.0]
Purpose, Function
-
Ensures vacuum required for braking force to compensate for the decrease in intake manifold vacuum applied to the power brake unit caused by the retard intake valve closing.
Construction
-
The vacuum pump is installed to the rear housing.
-
For smooth vane rotation, a single-vane type vacuum pump has been adopted which is equipped with an engine oil lubrication passage.
Operation
-
Because the vacuum pump is directly engaged with the exhaust camshaft, the vane in the vacuum pump rotates together with the exhaust camshaft, and the vacuum chamber is expanded and vacuum is generated.
Vacuum generation mechanism
Vacuum Pump Removal/Installation
1. Remove the plug hole plate..
2. Remove the battery..
3. Set the PCM wiring harness out of the way.
4. Disconnect the vacuum hose from the vacuum pump..
5. Remove in the order shown in the t ...
Other materials:
Brake Fluid Pressure Sensor
Purpose/Function
The brake fluid pressure sensor detects the fluid pressure from the master
cylinder and transmits it to the DSC HU/CM.
Construction
The brake fluid pressure sensor is built into the DSC HU/CM. Therefore if
there is any malfunction of the brake fluid pressur ...
Generator Inspection [Skyactiv G 2.0]
CAUTION:
Do not apply direct battery positive voltage to generator terminal D, otherwise
it could cause damage to the internal parts (power transistor) of the generator.
Charging system warning Light
1. Verify that the battery is fully charged.
2. Verify that the assembly conditi ...
Warning Sound is Activated
Lights-On Reminder
If lights are on and the ignition is switched to ACC or the ignition is switched
off, a continuous beep sound will be heard when the driver's door is opened.
NOTE
• When the ignition is switched to ACC,
the “Ignition Not Switched Off (STOP) Warning Beep” ove ...
