Purpose, Function
Converts radio broadcast waves to electric signals and sends the signals to the audio unit.
Construction
A center roof antenna has been adopted which does not require retraction or removal before going through an automatic car wash machine.
The center antenna has an integrated antenna amplifier which amplifies the electric signal.

Operation
When the ignition is switched to ACC or ON (engine off or on), power is supplied from the audio unit to the antenna amplifier inside the center roof antenna.
The center roof antenna converts the received radio waves of a radio broadcast to an electric signal.
The center roof antenna amplifies the converted electric signal using the antenna amplifier and sends the signal to the audio unit.

Fail-safe
Function not equipped.
Auxiliary Jack/Usb Port Removal/Installation
Center Roof Antenna InspectionSae Standards
In accordance with new regulations, SAE (Society of Automotive Engineers)
standard names and abbreviations are now used in this manual. The table below
lists the names and abbreviations that have been used in Mazda manuals up to
now and their SAE equivalents.
...
Hood Latch Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the hood latch switch connector..
4. Verify that the continuity is as indicated in the table.
NOTE:
Inspect the continuity when the hood is open and closed.
If the operation as i ...
Rear Mount Camera Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Liftgate upper trim.
b. Liftgate side trim.
c. Liftgate lower trim.
d. Liftgate garnish.
e. Rear mount camera.
3. Prepare four dry cell batteries (1.5 V)
4. Connect the four dry cell batteries in a series.
...