Front Center Speaker Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the center speaker grille. (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
Remove the front center speaker. (See FRONT CENTER SPEAKER REMOVAL/INSTALLATION .)
Inspect the resistance between front center speaker terminals A and B.
Front center speaker resistance

3.24-3.96 ohms

Fig 1: Checking Front Center Speaker Resistance
Courtesy of MAZDA MOTORS CORP.
- If not within the specification, replace the front center speaker. (See FRONT CENTER SPEAKER REMOVAL/INSTALLATION .)