1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. Disconnect the connector A and B..
4. Verify that the continuity between antenna feeder No.7 terminals is as indicated in the table.

If not as indicated in the table, replace antenna feeder No.7.

Antenna Feeder No.6 Removal/Installation
Antenna Feeder No.7 Removal/InstallationHow to use USB mode (Type A)
Type
Playable data
USB mode
MP3/WMA/AAC file
This unit does not support a USB 3.0
device. In addition, other devices may not
be supported depending on the model or
OS version.
Playback
Switch the ignition to ACC or ON.
Press the power/volume dial to ...
Push-Starting
Do not push-start your Mazda.
WARNING
Never tow a vehicle to start it:
Towing a vehicle to start it is
dangerous. The vehicle being towed
could surge forward when its engine
starts, causing the two vehicles to
collide. The occupants could be injured.
CAUTION
...
Shift-Lock System
The shift-lock system prevents shifting out
of P unless the brake pedal is depressed.
To shift from P:
Depress and hold the brake pedal.
Start the engine.
Press and hold the lock-release button.
Move the selector lever.
NOTE
When the ignition is switched to ACC or
the ignition ...