1. Disconnect the negative battery cable..
2. Disconnect the connector..
3. Verify the resistance between bass-box terminals.

If not within the specification, replace the bass-box.

0.9—1.1 ohms
Auxiliary Jack/Usb Port Removal/Installation
Bass Box Removal/InstallationJudder Upon Torque Converter Clutch (TCC) Operation [Fw6 A EL]
TROUBLESHOOTING ITEM
Judder upon torque converter clutch (TCC) operation
DESCRIPTION
Vehicle jolts when TCC is engaged.
POSSIBLE CAUSE
Signal malfunction
APP ...
Forward Sensing Camera
(FSC)
Your vehicle is equipped with a Forward Sensing Camera (FSC). The Forward
Sensing
Camera (FSC) is positioned near the rearview mirror and used by the following
systems.
High Beam Control System (HBC)
Lane Departure Warning System (LDWS)
The Forward Sensing Camera (FSC) determines t ...
Tire Rotation
To equalize tread wear, rotate the tires every 12,000 km (7,500 miles) at the
latest or sooner
if irregular wear develops. Mazda recommends to rotate every 8,000 km (5,000
miles) to
help increase tire life and distribute wear more evenly.
Inspect the tires for uneven wear and damage. Abno ...