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.
-
If not as indicated in the table, replace the center roof antenna.
5HB
NOTE:
-
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.
-
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:
Disc Pad (Rear) Replacement
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. After installation, pump the brake pedal a few times and inspect the following:
Parking brake lever stroke
Brake drag
1
Parking brake cable
(See PAR ...
Front Beltline Molding Removal/Installation
1. Fully open the front door glass.
2. Disconnect the negative battery cable..
3. Remove the inner garnish..
4. Remove the front door trim..
5. Remove the power outer mirror..
6. Remove clip A using a fastener remover and pull the front beltline molding
in the direction of the arrow (1) ...
Ignition Switch Inspection [Without Advanced Keyless Entry And Push Button Start
System]
1. Disconnect the negative battery cable..
2. Remove the column cover..
3. Remove the ignition switch..
4. Verify that the continuity between the ignition switch terminals is as indicated
in the table.
If not as indicated in the table, replace the ignition switch.
...
