Glass Antenna Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable
Disconnect the antenna amplifier connector B. See ANTENNA AMPLIFIER REMOVAL/INSTALLATION .
Inspect the glass antenna for damage visually
Inspect for continuity between the glass antenna terminals using an ohmmeter
- If not as specified, repair the glass antenna. See FILAMENT REPAIR .
  
  Fig 1: Test Condition Terminal Chart
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Glass Antenna
  Courtesy of MAZDA MOTORS CORP.