Mazda 3 Service Manual: Antenna Amplifier Inspection

Mazda 3 Service Manual / Accessories / Electronics / Entertainment / 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. C-pillar trim.

k. Map light.

l. Sunvisor.

m. Assist handle.

n. Headliner.

6. Connect the negative battery cable..

7. Switch the ignition to ON.

8. Verify that voltage is B+ at the antenna amplifier terminal A.

With audio unit (without display)

With audio unit (with display)

If the battery voltage can be verified, replace the antenna amplifier.

9. Verify that the continuity between antenna amplifier terminals is as indicated in the table. (with SIRIUS satellite radio system)

If not as indicated in the table, replace antenna amplifier.

Entertainment

...

Antenna Amplifier Removal/Installation

With Audio Unit (Without Display) 1. Disconnect the negative battery cable.. 2. Remove the rain sensor cover. (Vehicles with auto light/wiper system). 3. Disconnect the rain sensor connector. (Ve ...

Other materials:

Spare Tire
Your Mazda has a temporary spare tire. The temporary spare tire is lighter and smaller than a conventional tire, and is designed only for emergency use and should be used only for VERY short periods. Temporary spare tires should NEVER be used for long drives or extended periods. WAR ...

Overheating
If the high engine coolant temperature warning light illuminates, the vehicle loses power, or you hear a loud knocking or pinging noise, the engine is probably too hot. WARNING Switch the ignition to off and make sure the fan is not running before attempting to work near the co ...

Audio Unit Removal/Installation
Without Display CAUTION: When installing the audio unit, make sure that the wiring harness and antenna feeder are not caught between the unit and dashboard. If the wiring harness or the antenna feeder is caught between the unit and dashboard, it may cause malfunctions. Pres ...