1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Liftgate upper trim.
b. Liftgate side trim.
c. Liftgate lower trim.
d. Liftgate latch and lock actuator.
3. Disconnect the connector.

4. Pull out the retainer in the direction of the arrow.
5. Remove the liftgate opener switch.

6. Install in the reverse order of removal.
Liftgate Opener Switch Inspection
Liftgate Removal/InstallationJoint Shaft Disassembly [Mzr 2.3 Disi Turbo]
1. Disassemble in the order indicated in the table.
1
Joint shaft component
.
2
Bearing
.
3
Dust seal (LH)
4
Joint shaft
5
Dust seal (RH)
...
Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
...
Stop Vehicle in Safe Place Immediately
If any of the following warning lights turns on, the system may have a
malfunction. Stop the
vehicle in a safe place immediately and contact an Authorized Mazda Dealer.
...