NO.5 BROKEN SOUND OR POOR SOUND QUALITY [AUDIO]

id0903e1803400

5

Broken sound or poor sound quality/Possible DTC: 09:Er21
Troubleshooting hints
•  Speaker malfunction (e.g., any foreign material, broken)
•  Improper speaker installation
•  Audio unit malfunction
•  Vibration of door trim and/or package trim

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Are there a broken sound or poor sound quality from all speakers?
Yes
Go to the next step.
No
Go to the Step 5.
2
•  Inspect the sound while adjusting the sound volume.
•  Is there a broken sound or poor sound quality between “15” and “20”?
Yes
Go to the next step.
No
The system is normal.
3
•  Inspect the BASS/TREB.
•  Is there a poor sound quality at “-3 —+3” of “BASS/TREB”?
Note
•  When press the AUDIO CONT button for a few seconds, BASS/TREB is set at “0”.
Yes
Go to the next step.
No
If there is a broken sound at “+6— -6” of BASS/TREB with the maximum volume, the system is normal.
4
•  Attempt to duplicate the symptom on the other vehicle.
•  Is the sound better than the customer’s vehicle?
Yes
Replace the audio unit.
No
The system is normal.
5
•  Identify the speaker with a broken sound by adjusting BAL/FADE.
•  Is the suspect speaker installed upward?
Yes
Go to the Step 7.
No
Go to the next step.
6
•  Inspect the speaker installation condition.
•  Is the speaker installed properly?
Yes
Go to the next step.
No
Install the speaker properly.
7
•  Remove the speaker.
•  Is there any foreign material or damage on the speaker?
Yes
Repair or replace the suspect speaker.
No
Go to the next step.
8
•  Inspect the sound again.
•  Is there broken sound?
Yes
Go to the next step.
No
Inspect the vibration from the door trim and/or package trim. Repair or replace the suspect trim as necessary.
9
•  Replace with the speaker known to be good. (e.g., swap right and left speakers)
•  Does the broken sound appear at the same location?
Yes
Replace the audio unit.
No
Replace the speaker.