NO.6 VOLUME INCREASES/DECREASES WHILE DRIVING THE VEHICLE[ENTIRE AUDIO SYSTEM]

id0903e2818500

6

Volume increases/decreases while driving the vehicle/Possible DTC: —
Troubleshooting hints
•  Audio unit malfunction
Note
•  Inspect the ALC function while driving the vehicle and playing a CD.

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Does the ALC function turn on?
Yes
Go to the next step.
No
Replace the audio unit.
(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)
(See AUDIO UNIT DISASSEMBLY/ASSEMBLY.)
2
•  Turn the ALC function off.
•  Does the sound change while driving the vehicle?
Yes
Replace the audio unit.
(See CENTER PANEL UNIT REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT DISASSEMBLY/ASSEMBLY.)
(See AUDIO UNIT DISASSEMBLY/ASSEMBLY.)
No
The system is normal.
Explain the ALC function to the customer.