Tweeter Inspection

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the side speaker grille. (See SPEAKER GRILLE REMOVAL/INSTALLATION .)
Remove the tweeter. (See TWEETER REMOVAL/INSTALLATION .)
Inspect the resistance between tweeter terminals A and B.
Tweeter resistance

3.4-4.6 ohms

Fig 1: Checking Tweeter Resistance
Courtesy of MAZDA MOTORS CORP.
- If not within the specification, replace the tweeter. (See TWEETER REMOVAL/INSTALLATION .)