Mazda CX-5 Service & Repair Manual: Fresh Air Duct
Purpose, Function
-
Conducts fresh air from outside the engine compartment.
-
Increases air density by taking fresh air, which is cooler than the engine compartment, to enhance the charging efficiency, ensuring the combustion stability.
Construction
-
The fresh-air duct is installed to the air cleaner.
Engine
Special Features
For SKYACTIV-G 2.0, the following is performed to lower fuel consumption.
Improvement of mechanical resistance loss
Narrowed down crankshaft journ ...
Hydraulic Variable Valve Timing Actuator Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the hydraulic variable valve timing a ...
Other materials:
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 s ...
Main Relay Control [Skyactiv G 2.0]
Outline
Supplies power to each part by switching the main relay on/off at the optimal
timing according to the vehicle conditions.
Block Diagram
Operation
When the ignition is switched ON, the main relay turns on and electrical
power is supplied to each sensor and devic ...
Check Valve Inspection
Except U.S.A. And CANADA
1. Remove the check valve..
2. Verify that there is no airflow when positive pressure is applied to port
A.
If there is airflow, replace the check valve..
3. Verify that there is no airflow when negative pressure is applied to port
A.
If ther ...
