Mazda 3 Service Manual: Fuel Pump Control Module Inspection [Skyactiv G 2.0]
1. Perform the KOEO self-test..
2. Verify that a fuel pump control module related DTC is detected..
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If DTCs are detected, repair the malfunctioning part according to the applicable DTC troubleshooting..
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If a DTC is not detected, go to the next step.
3. Inspect the following:
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Fuel pump control module damage
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Fuel pump control module connector damage or corrosion
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If there is any malfunction, repair or replace the malfunctioning part.
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If there is no malfunction, replace the fuel control module..
Fuel Line Pressure Inspection [Skyactiv G 2.0]
WARNING:
Fuel line spills and leakage from the pressurized fuel system are dangerous.
Fuel can ignite and cause serious injury or death and damage. To prevent this,
complete the followin ...
Fuel Pump Unit Inspection [Mzr 2.0, Mzr 2.5]
Continuity Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the fuel pump unit connector.
4. Inspect for continuity between fuel pump unit termi ...
Other materials:
Filament Inspection
1. Turn the ignition switch to the ON position.
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touc ...
Checking Tire Pressure
When you check the air pressure, make sure the tires are cold —meaning
they are not hot
from driving even a mile.
Remove the cap from the valve on one tire.
Firmly press a tire gauge onto the valve.
Add air to achieve recommended air pressure.
If you overfill the tire, release air ...
Thermostat Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the thermostat..
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.
WARNING:
During inspection, the thermostat and water are extremely hot and can cause
severe burns. Do not touch the thermostat and water.
4. Heat the water and c ...
