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:
Passenger Compartment Temperature Sensor Inspection [Full Auto Air Conditioner]
1. Measure the temperature around the passenger compartment temperature sensor
and measure the resistance between passenger compartment temperature sensor terminals
B and D.
If the characteristics of the passenger compartment temperature sensor are
not as shown in the graph, repla ...
Oil Pressure Switch Removal
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before removing the exhaust system.
1. Disconnect the negative battery cable.
2. Remove the aerodynamic under cover No.2..
3. Disconnect the connecto ...
Front Tilt Motor Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable and wait 1 min or more..
3. Disconnect the front tilt motor connector.
4. Apply battery positive voltage to the front tilt motor terminals and inspect
the front tilt motor operation
If not as specified, replac ...
