1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (RH).
b. Front side trim (RH).
c. Rear seat cushion.
d. Rear scuff plate (RH).
e. Tire house trim (RH).
3. Disconnect the antenna feeder No.4.

4. Disconnect the antenna feeder No.3.

5. Verify that the continuity between antenna feeder No.5 terminals is as indicated in the table.

If not as indicated in the table, replace antenna feeder No.5.

Antenna Feeder No.4 Removal/Installation
Antenna Feeder No.5 Removal/InstallationSchedule 1
U.S.A. residents - Engine oil flexible maintenance interval
Use when the maintenance monitor for “Oil Change” is set to “Flexible”. For
details, see maintenance monitor.
Chart symbols:
I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if
necessary.
T: Tighten
R ...
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
...
Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...