1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front door speaker..
5. Verify the resistance between the front door speaker terminals.

If not within the specification, replace the front door speaker.

Without Bose®: 3.4—4.6 ohms
With Bose®: 1.83—2.47 ohms
Front Center Speaker Removal/Installation
Front Door Speaker Removal/InstallationRelay Inspection [Mzr 2.0, Mzr 2.5, Mzr 2.3 Disi Turbo]
Relay Type
Connector type
Part name
Type A
Front fog light relay
Headlight relay (HI)
Headlight relay (LO)
Horn relay
TNS relay
A/C relay
AT ma ...
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..
...
Liftgate Opener Switch Inspection
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.
e. Liftgate opener switch.
3. Verify the continuity of liftgate opener switch terminals A and B.
4 ...