NO.6 SOUND BECOMES LOUD OR WEAK WHILE DRIVING THE VEHICLE [AUDIO]


id0903e1803500

6

Sounds becomes loud or weak while driving the vehicle

Possible DTC

Possible cause
•  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.
2
•  Turn the ALC function off.
•  Does the sound change while driving the vehicle?
Yes
Replace the audio unit.
No
The system is normal.
Explain the ALC function to the customer.