Mazda 3 Service Manual: Air Filter Inspection
1. Verify that there is no damage, excessive dirt, or abnormal odor on the air filter.
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If there is any malfunction, replace the air filter.
NOTE:
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The air filter cannot be reused by cleaning it with water or compressed air.
General
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Air Filter Inspection [Mzr 2.0, Mzr 2.5]
Except for Mexico
Airflow inspection
1. Remove the air filter..
2. Blow from port A and verify that there is airflow from port B.
If there is no airflow, replace the air filter..
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Other materials:
Check Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]
1. Disconnect the vacuum hose connected between the check valve and the purge
solenoid valve from the purge solenoid valve..
2. Disconnect the vacuum hose connected between the check valve (one-way) and
the intake manifold from the intake manifold..
3. Blow through the check valve (one-way) ...
Rear Spoiler Removal/Installation
4SD
1. Remove the trunk lid trim..
2. Remove the nuts.
3. While cutting the double-sided adhesive tape using a flathead screwdriver
or a razor, separate the rear spoiler from the trunk lid.
WARNING:
Using a razor with bare hands can cause injury. Always wear gloves when usin ...
PCM Inspection [Mzr 2.0, Mzr 2.5]
Using M-MDS
NOTE:
PIDs for the following parts are not available on this model. Go to the appropriate
part inspection page.
CMP sensor
Main relay
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Measure the PID value.
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