Mazda 3 Service Manual: Tweeter Inspection
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the tweeter..
4. Verify the resistance between tweeter terminals.
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If not within the specification, replace the tweeter.
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Resistance
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Without Bose®: 3.4—4.6 ohms
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With Bose®: 3.06—3.74 ohms
Supplier Identification Procedure [Audio]
Identification Using the Label or Inscribed Lettering
1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Remove the audio unit..
4. Verify the supplier by referring to t ...
Tweeter Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the tweeter in the direction of the arrow shown in the figure.
4. Install in the reverse order of removal. ...
Other materials:
Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...
Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
NOTE:
Because it is difficult to directly inspect the PC ...
Steering Shaft Inspection
1. Inspect the column bearing for excessive play and damage.
2. Verify that the measurement of the steering shaft indicated in the figure
is as specified.
If not within the specification replace the steering shaft component.
Steering shaft length
315—320 mm {12.41—1 ...
