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:
Electric Power Steering Oil Pump Component Disassembly/Assembly
CAUTION:
The internal parts of the EHPAS control module and motor could be damaged
if they receive an impact. Be careful when handling the EHPAS control module
and motor to prevent the component from getting hit. Replace the electric power
steering oil pump component if it has recei ...
Power Window Motor Inspection
Front Driver Side
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Disconnect the power window motor connector.
5. Apply battery positive voltage and connect the ground to power window motor
terminals E and F, and then inspect the ...
Cruise Control Set Vehicle Speed Display
The vehicle speed preset using the cruise
control is displayed.
Trip Computer and INFO Switch
The following information can be selected
by pressing the up or down
part of the
INFO switch with the ignition switched
ON.
Approximate distance you can travel on
the available fuel
Ave ...
