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:
ABS HU/CM Inspection
1. Disconnect the ABS HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the ABS HU/CM wiring harness-side connector and
inspect the voltage, continuity, or resistance according to the standard (reference
value) in the table below.
Standard (reference)
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Sunlight/Temperature Sensor
The climate control system measures
inside and outside temperatures, and
sunlight. It then sets temperatures inside
the passenger compartment accordingly.
CAUTION
Do not obstruct either sensor,
otherwise the climate control system
will not operate properly.
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Rain Sensor Removal/Installation
1. Disconnect the negative battery cable..
2. Spread open the rain sensor cover in the direction of the arrows and disengage
tabs A to remove it.
3. Disconnect the rain sensor connector.
4. Slide rain sensor tab B in the direction of the arrow shown in the figure
and detach tab B. ...
