1. Inspect the glass antenna for damage visually.
2. Inspect for continuity between the glass antenna terminals using an ohmmeter.


Center roof antenna inspection
Gps antenna removal/installationMazda 6 Service Manual: Exterior lighting system
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Mazda 6 Service Manual: No.2 air bag system warning light is illuminated all the time
Diagnostic Procedure
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunction. If there
is a problem, check to make sure connec ...