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:
Oil Seal Replacement [FS5 A EL]
1. Remove the aerodynamic under cover No. 2..
2. Remove the oil seal.
a. Drain the ATF..
b. Remove the drive shaft and/or joint shaft..
CAUTION:
The oil seal is easily damaged by the sharp edges of the drive shaft splines.
Do not let the splines contact the oil seal.
c. Remo ...
Fuel Gauge Sender Unit Inspection
MZR 2.3 DISI Turbo, SKYACTIV-G 2.0
NOTE:
The fuel gauge sender unit is integrated with the fuel pump unit.
1. Disconnect the negative battery cable..
2. Remove the rear seat cushion..
3. Remove the fuel pump unit..
4. Verify that the resistance between terminals A and C of the f ...
Liftgate/Trunk Lid
WARNING
Never allow a person to ride in the
luggage compartment/trunk:
Allowing a person to ride in the
luggage compartment/trunk is
dangerous. The person in the luggage
compartment/trunk could be seriously
injured or killed during sudden braking
or a collision.
D ...
