1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front door speaker..
5. Verify the resistance between the front door speaker terminals.

If not within the specification, replace the front door speaker.

Without Bose®: 3.4—4.6 ohms
With Bose®: 1.83—2.47 ohms
Front Center Speaker Removal/Installation
Front Door Speaker Removal/InstallationBody And Accessories
ABBREVIATIONS
ACC
Accessories
AUX
Auxiliary jack
CAN
Controller Area Network
DLC
Data Link Connector
GND
Ground
LH
Left Hand
...
On/Off Solenoid Removal/Installation [Fw6 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...
Maintenance Monitor (Type A audio)
“Oil Change” with a flexible setting *1 is available. Consult your
Authorized Mazda Dealer
when you want to change the setting *2 . Once the system turns on, the wrench
indicator light
in the instrument cluster will be illuminated when remaining oil life becomes
less than 500
km (300 mi ...