Front Door Speaker Inspection

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION .)
Disconnect the front door speaker connector. (See FRONT DOOR SPEAKER REMOVAL/INSTALLATION .)
Verify that the resistance and continuity between the front door speaker terminals is as indicated in the table.

Fig 1: Checking Resistance And Continuity Between Front Door Speaker Terminals
Courtesy of MAZDA MOTORS CORP.
- If not as indicated in the table, replace the front door speaker.
Without Bose®

Fig 2: Front Door Speaker Terminals Resistance Chart (Without Bose®)
Courtesy of MAZDA MOTORS CORP.

With Bose®

Fig 3: Front Door Speaker Terminals Continuity Chart (Without Bose®)
Courtesy of MAZDA MOTORS CORP.