1. Disconnect the negative battery cable..
2. Remove the lens..
3. Insert a tape-wrapped fastener remover to the position shown in the figure, release the tabs.

4. Pull the rear bumper in the direction of the arrow (1) in the figure, and pull out the license plate lights in the direction of the arrow (2).

5. Pull out the wiring harness in the direction of the arrow and set it aside from the hook.

6. Remove the license plate light.
7. Install in the reverse order of removal.
License Plate Light Bulb Removal/Installation
PID/Data Monitor Inspection [Afs (Adaptive Front Lighting System)]Throttle Position (TP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
CAUTION:
The inspection cannot be performed with this method correctly if there is
a malfunction of the APP sensor or throttle valve actuator. Verify that no DTCs
related to the APP sensor or throttle valve actuator are stored before the inspection.
NOTE:
...
Error Indications (Type A)
If you see an error indication on the
display, find the cause in the chart. If you
cannot clear the error indication, take the
vehicle to an Authorized Mazda Dealer.
Indication
Cause
Solution
CHECK
USB
USB device
malfunction
Verify that the content
...
How to use USB mode (Type B)
Type
Playable data
USB mode
MP3/WMA/AAC/OGG file
This unit does not support a USB 3.0 device. In addition, other devices may
not be
supported depending on the model or OS version.
USB devices formatted to FAT32 are supported (USB devices formatted to other
...