FOREWORD [ENTIRE AUDIO SYSTEM]

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Note

• Record all radio programs set by customer prior to the repairs. Set all radio programs and adjust the time after repairs.

Troubleshooting Index

No.

Symptom

Possible DTC

1

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

09:Er20, 09:Er21

2

No power to the entire audio system

09:Er20

3

No sound from all the speakers

03:Er07, 03:Er10, 10:Er07, 10:Er10, 22:Er07, 22:Er10, 09:Er20, 09:Er21

4

No sound from some speakers

—

5

Sound break-up or poor sound quality

09:Er21

6

Volume increases/decreases while driving the vehicle

—

7

ALC function is inoperative (without Bose^®)

16:Er12

8

AudioPilot function is inoperative (with Bose^®)

—

9

No audio system illumination

09:Er20, 21:Er19

10

LCD does not display at all.

09:Er20, 21:Er19

11

Display does not change to the rear mount camera image.

—

No.	Symptom	Possible DTC
1	AF noise or POP noise at all sources (Radio, CD, Cassette tape)	09:Er20, 09:Er21
2	No power to the entire audio system	09:Er20
3	No sound from all the speakers	03:Er07, 03:Er10, 10:Er07, 10:Er10, 22:Er07, 22:Er10, 09:Er20, 09:Er21
4	No sound from some speakers	—
5	Sound break-up or poor sound quality	09:Er21
6	Volume increases/decreases while driving the vehicle	—
7	ALC function is inoperative (without Bose^®)	16:Er12
8	AudioPilot function is inoperative (with Bose^®)	—
9	No audio system illumination	09:Er20, 21:Er19
10	LCD does not display at all.	09:Er20, 21:Er19
11	Display does not change to the rear mount camera image.	—

Quick Diagnostic Chart (Entire Audio System)

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