Mazda 3 Service Manual: Glass Antenna
Purpose, Function
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4SD
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The AM/FM radio waves and RDS-TMC (Radio Data System-Traffic Message Channel) radio waves are converted to an electrical signal and the signal is sent to the audio unit.
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5HB (With audio unit (with display))
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The RDS-TCM (Radio Data System-Traffic Message Channel) converts radio broadcast waves to electric signals and sends the signals to the audio unit.
Construction
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An antenna with excellent noise resistance has been adopted to the rear window glass.
Fail-safe
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Function not equipped.
Front Door Speaker Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Disconnect the connector.
Without Bose®
With Bose®
5. Remove the screw. ...
Glass Antenna Inspection
4SD
1. Disconnect the negative battery cable..
2. Disconnect the antenna amplifier connector B..
3. Disconnect the antenna feeder No.3 connector C. (with audio unit (with display)).
4. Inspect ...
Other materials:
Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the OCV connector.
5. Measure the resistance between terminals A and B using an ohmmeter.
OCV coil resistance
6.9—7.9 ohms [20°C ...
Radio Reception
AM characteristics
AM signals bend around such things as
buildings or mountains and bounce off the
ionosphere.
Therefore, they can reach longer distances
than FM signals.
Because of this, two stations may
sometimes be picked up on the same
frequency at the same time.
FM characterist ...
Cleaning the Upholstery and
Interior Trim
Vinyl
Remove dust and loose dirt from vinyl
with a whisk broom or vacuum cleaner.
Clean vinyl with a leather-and-vinyl
cleaner.
Leather *
Remove dust and sand first using a
vacuum cleaner or other means, then wipe
dirt off using a soft cloth with a leather
cleaner or a soft cloth soaked i ...
