Mazda 3 Service Manual: Check Valve Inspection [Skyactiv G 2.0]
Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.
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If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
1. Remove the air bypass valve..
2. Connect the vacuum pump to the vacuum ports of the air bypass valve.
3. Verify that the airflow is as indicated in the table.
Vacuu ...
Compression Inspection [Mzr 2.0, Mzr 2.5]
WARNING:
Hot engines and oil can cause severe burns. Be careful not to burn yourself
during removal/installation of each component.
Fuel vapor is hazardous. It can very easily ignit ...
Other materials:
Storage Compartments
WARNING
Keep storage boxes closed when
driving:
Driving with the storage boxes open is
dangerous. To reduce the possibility of
injury in an accident or a sudden stop,
keep the storage boxes closed when
driving.
Do not put articles in storage spaces
with no lid:
...
Windshield Defrosting and
Defogging
Press the windshield defroster switch.
In this position, the outside air position
is automatically selected, and the air
conditioner automatically turns on. The
air conditioner will directly dehumidify
the air to the front windshield and side
windows (on ). Airflow
amount will be increased. ...
Transaxle Range (TR) Switch Inspection [FS5 A EL]
CAUTION:
Water or foreign objects entering the connector can cause a poor connection
or corrosion. Be sure not to drop water or foreign objects on the connector
when disconnecting it.
Operation Inspection
1. Perform the following procedures to inspect the TR switch.
If t ...
