Rear Door Speaker Inspection

WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for resistance between the rear door speaker terminals using an ohmmeter.
- If not as specified, replace the rear door speaker.
  
  Fig 1: Rear Door Speaker Resistance Table
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Rear Door Speaker Circuit Diagram And Connector Terminals
  Courtesy of MAZDA MOTORS CORP.
To verify that the rear door speaker outputs sound, apply voltage to the rear door speaker and release using a 1.5 V battery.
- If it does not output sound, replace the rear door speaker.