Front Side Speaker Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the side speaker grille. (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
Remove the front side speaker. (See FRONT SIDE SPEAKER REMOVAL/INSTALLATION .)
Verify that the resistance between the front center speaker terminals is as indicated in the table.

Fig 1: Checking Resistance Between Front Center Speaker Terminals
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the front side speaker.
Fig 2: Front Center Speaker Terminals Resistance Chart
Courtesy of MAZDA MOTORS CORP.