Mazda 3 Service Manual: Center Roof Antenna Inspection
4SD
1. Disconnect the negative battery cable..
2. Remove the rain sensor cover. (Vehicles with auto light/wiper system).
3. Disconnect the rain sensor connector. (Vehicles with auto light/wiper system)
4. Partially peel back the seaming welts.
5. Remove the following parts:
a. Sunroof seaming welt (vehicles with sunroof)
b. A-pillar trim.
c. Front scuff plate.
d. Rear scuff plate.
e. B-pillar lower trim.
f. Upper anchor of the front seat belt.
g. B-pillar upper trim.
h. Rear seat cushion.
i. Tire house trim.
j. C-pillar trim.
k. Map light.
l. Sunvisor.
m. Assist handle.
n. Headliner.
o. Center roof antenna.
6. Verify that there is no continuity between the center roof antenna terminals A and B using an ohmmeter.
7. Inspect for continuity between the center roof antenna terminals using an ohmmeter.
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If not as indicated in the table, replace the center roof antenna.
5HB
NOTE:
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The center roof antenna has a built-in antenna amplifier.
Antenna Amplifier Inspection
1. Disconnect the negative battery cable..
2. Remove the rain sensor cover. (Vehicles with auto light/wiper system).
3. Disconnect the rain sensor connector. (Vehicles with auto light/wiper system)
4. Partially peel back the seaming welts.
5. Remove the following parts:
a. Sunroof seaming welt (vehicles with sunroof)
b. A-pillar trim.
c. Front scuff plate.
d. Rear scuff plate.
e. B-pillar lower trim.
f. Upper anchor of the front seat belt.
g. B-pillar upper trim.
h. Rear seat cushion.
i. Tire house trim.
j. Trunk side upper trim.
k. C-pillar trim.
l. Map light.
m. Sunvisor.
n. Assist handle.
o. Headliner.
6. Connect the negative battery cable..
7. Switch the ignition to ON.
8. Turn the audio unit power to ON.
9. Tune in the radio.
10. Verify that voltage is B+ at the antenna amplifier terminal B.
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If the battery voltage cannot be verified, replace the center roof antenna.
-
If the battery voltage can be verified, go to the feeder line inspection.
Feeder Line Inspection
1. Remove the center roof antenna..
2. Verify that there is no continuity between the center roof antenna terminals A and C using an ohmmeter.
AM/FM type
AM/FM/SIRIUS type
3. Inspect for continuity between the center roof antenna terminals using an ohmmeter.
-
If not as indicated in the table, replace the center roof antenna.
AM/FM type
AM/FM/SIRIUS type
Bass Box Removal/Installation
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Remove the short-cord.
4. Remove the bolt.
5. Remove the bass-box.
6. Install in the reverse order of removal. ...
Center Roof Antenna Removal/Installation
4SD
1. Disconnect the negative battery cable..
2. Remove the rain sensor cover. (Vehicles with auto light/wiper system).
3. Disconnect the rain sensor connector. (Vehicles with auto light/wiper s ...
Other materials:
Glove Compartment Removal/Installation
CAUTION:
If the glove compartment is closed without being joined to the stay damper,
the stay damper may be damaged. Verify that the stay damper is joined to the
glove compartment before closing the glove compartment.
1. Pull the stay damper in the direction (1) shown in the figu ...
Combination Switch Disassembly/Assembly
CAUTION:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
1. Switch the ignition to off.
2. Disconnect the negative batte ...
Parking Brake Switch Inspection
1. Remove the upper panel..
2. Disconnect the parking brake switch connector.
3. Verify that the continuity is as indicated in the table.
If not as indicated in the table, replace the parking brake lever.
...