Description
The majority of the audio troubles are the result of outside causes (bad CD, electromagnetic interference, etc.).
NOISE
The following noise results from variations in field strength, such as fading noise and multi-path noise, or external noise from trains and other sources. It is not a malfunction.
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.
Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and operation of each piece of electrical equipment to determine the cause.
NOTE: The source of the noise can be found easily by listening to the noise while removing the fuses of electrical components, one by one.
Type of Noise and Possible Cause

REMOVAL AND INSTALLATION
Rear door speakerDiagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CONNECTOR CHECK Check the audio unit and speaker connectors for the following: Proper connect ...

Removal and Installation REMOVAL 1. Remove cluster lid C. Refer to IP "Removal and Installation". 2. Remove the audio unit screws (A). 3. Pull the audio unit out. 4. Disconnect the harn ...
Recommended fluids/lubricants and capacities
The following are approximate capacities. The actual refill capacities may
be a little different. When refilling, follow the procedure
described in the "Do-it-yourself" section to determine the proper refill
capacity.
...
Door hinge
DOOR HINGE : Removal and Installation
CAUTION:
Use two people when removing or installing rear door due to its
heavy weight.
When removing and installing rear door assembly, support door
using a suitable tool.
REMOVAL
Remove rear door assembly. Refer to DLK "DOOR ASSEMBLY : ...