1. Disconnect the negative battery cable..
2. Remove the rear door trim..
3. Disconnect the rear door speaker connector..
4. Verify that the resistance between the rear door speaker terminals is as indicated in the table.

If not as indicated in the table, replace the rear door speaker.
Without Bose®

With Bose®

Keyless Antenna [Keyless Entry System]
Rear Door Speaker Removal/InstallationDifferential [C66 M R]
Purpose, Function
The differential absorbs the rotation speed of the inside and outside wheel
of a wheel set when the vehicle is cornering.
Construction
Operation
Driving in a straight line
Cornering
...
Electronic Control Coupling
Purpose, Function
An electromagnetic clutch, which operates smoothly due to the lack influence
from the front and rear wheel traction force, has been adopted for the electronic
control coupling system.
Construction
The construction of the coupling enables the torque formed ...
Owner Maintenance Precautions
The owner or a qualified service technician should make these vehicle inspections
at the indicated intervals to ensure safe and dependable operation.
Bring any problem to the attention of an Authorized Mazda Dealer or qualified
service technician as soon as possible.
When Refueling
• Brake ...