Front Side Speaker Inspection

WARNING: This page is about a different car, the 2018 Mazda 6. 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.