1. Verify that there is no continuity between antenna feeder terminals A and B using an ohmmeter.

2. Inspect for continuity between the antenna feeder terminals using an ohmmeter.

Front antenna feeder inspectionMazda 6 Service Manual: Voice Recognition
In this section, the basic operation of the voice recognition is explained.
Activating Voice Recognition
Press the talk button.
Ending Voice Recognition
Use one of the following methods:
Press the hang-up button.
Say, “Cancel”.
Operate the commander switch or the center display (only ...
Mazda 6 Service Manual: Discharge headlight control unit removal/installation
Caution
Incorrect servicing of the discharge headlight control unit could
result in electrical shock. Before servicing the discharge headlight control
unit, always refer to the Discharge headlight service warnings. (See
DISCHARGE HEADLIGHT SERVICE WARNINGS)
When replacing the discharg ...