Tweeter Inspection

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the side speaker grille. (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
Remove the tweeter. (See TWEETER REMOVAL/INSTALLATION .)
Verify that the resistance between the tweeter terminals is as indicated in the table.

Fig 1: Identifying Tweeter Connector Terminals
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the tweeter.
  Without Bose®
  
  Fig 2: Tweeter Terminals Resistance Chart (Without Bose®)
  Courtesy of MAZDA MOTORS CORP.
  
  With Bose®
  
  Fig 3: Tweeter Terminals Resistance Chart (With Bose®)
  Courtesy of MAZDA MOTORS CORP.