Tweeter Inspection

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the inner garnish. (See INNER GARNISH REMOVAL/INSTALLATION .)
Remove the tweeter. (See TWEETER REMOVAL/INSTALLATION .)
Verify the resistance between tweeter terminals.
- If not within the specification, replace the tweeter.
  
  Fig 1: Tweeter Terminals Resistance Chart
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Tweeter Connector Terminals
  Courtesy of MAZDA MOTORS CORP.
  
  Resistance
  
  Without Bose®: 4.0 ohms
  
  With Bose®: 3.4 ohms