FOREWORD [AUDIO]

id0903e1802700

Note

• Note down all radio programs set by the customer prior to the repairs. Reset all radio programs and adjust the time after the repairs.

Troubleshooting Index

No.

Symptom

Possible DTC

1

AF noise or POP noise at all sources (Radio, CD)

09:Er20, 09:Er21

2

No power to the entire audio system

09:Er20

3

No sound from all speakers

09:Er20, 09:Er21, 10:Er07, 22:Er07

4

No sound from some speakers

—

5

Sound break-up or poor sound quality

09:Er21

6

Sound becomes loud or weak while driving the vehicle

—

7

ALC function is inoperative

—

8

No audio system illumination

09:Er20, 21:Er19

9

LCD does not display at all

09:Er20, 21:Er19

No.	Symptom	Possible DTC
1	AF noise or POP noise at all sources (Radio, CD)	09:Er20, 09:Er21
2	No power to the entire audio system	09:Er20
3	No sound from all speakers	09:Er20, 09:Er21, 10:Er07, 22:Er07
4	No sound from some speakers	—
5	Sound break-up or poor sound quality	09:Er21
6	Sound becomes loud or weak while driving the vehicle	—
7	ALC function is inoperative	—
8	No audio system illumination	09:Er20, 21:Er19
9	LCD does not display at all	09:Er20, 21:Er19

Quick Diagnostic Chart (Entire Audio System)

am2zzw00003786