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: Maintenance Monitor
The following maintenance period notifications can be displayed by turning the
Maintenance Monitor on.
Scheduled Maintenance
Tire Rotation
Oil Change
For the setting method and indications for the maintenance monitor, refer to
the Maintenance Monitor.
The maintenance monitor displays ...
Mazda 6 Service Manual: HomeLink Wireless Control System (Some models)
NOTE
HomeLink and HomeLink house icon are registered trademarks of Gentex Corporation.
The HomeLink system replaces up to 3 hand-held transmitters with a single built-in
component in the auto-dimming mirror. Pressing the HomeLink button on the auto-dimming
mirror activates garage doors, gates ...