Mazda 3 Service Manual: Rear Door Speaker Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the rear door trim..
3. Disconnect the connector.
Without Bose®
With Bose®
4. Remove the screw.
5. Remove the rear door speaker in the direction of the arrow shown in the figure.
Without Bose®
With Bose®
6. Install in the reverse order of removal.
Rear Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the rear door trim..
3. Remove the rear door speaker..
4. Verify the resistance between the rear door speaker terminals.
If not w ...
Rear Speaker Inspection
4SD
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear seat cushion.
b. Rear scuff plate.
c. Tire house trim.
d. C-pillar trim.
e. Rear package trim.
f. R ...
Other materials:
Knock Sensor (Ks) Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the KS connector.
4. Measure the resistance between KS terminals A and B.
If not as specified, replace the KS..
Specification
Approx. 4.87 megohms [normal tem ...
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.
Vacuum
(kPa {mmHg, inHg})
Valve operation condition
Airflow between port A—B
...
Power Metal Oxide Semiconductor Field Effect Transistor (Power Mos Fet) Inspection
[Full Auto Air Conditioner]
1. Verify that the continuity between the power MOS FET terminals is as indicated
in the table.
If there is any malfunction, replace the power MOS FET.
If the blower motor operation is not normal even though no malfunction can
be verified, inspect the climate control unit..
...
