NO.6 SOUND BECOMES LOUDLY OR WEAKLY WHILE DRIVING THE VEHICLE

id0903a1857000

6

Sound becomes loudly or weakly while driving the vehicle/Possible DTC: -

TROUBLESHOOTING HINTS

• Audio unit malfunction.

Note

• Inspect the ALC function while driving the vehicle with playing the CD, etc.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
• Does the ALC function turn to ON?
Yes
Go to the next step.
No
Replace the audio unit.
2
• Turn the ALD function to OFF.
• Does the sound change while driving the vehicle?
Yes
Replace the audio unit.
No
The system is normal. Explains the ALC function to the customer.