Toyota Sienna Service Manual: No Sound can be Heard from Speakers
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
- Enter the sound adjustment screen by pressing the "SOUND" switch on the AUDIO display.
- Set volume, fader, and balance to the initial values and check that sound is normal.
OK: Audio system returns to normal.
HINT: Sound quality adjustment items vary depending on the type of the amplifier.
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Pressing Power Switch does not Turn on System
INSPECTION PROCEDURE
1 CHECK CABIN
Check that conditions in the cabin are not likely to cause
condensation.
HINT:
This problem occurs when the cabin is humid and the
temperature rapidly ch ...
CD cannot be Ejected
INSPECTION PROCEDURE
1 CHECK OPERATION
Press the disc eject switch of the radio receiver for 5
seconds or more and check that the CD is ejected.
OK:
CD is ejected
2 REPLACE CD WITH ANOTHER ...
Other materials:
Air Outlet Damper Control Servo Motor Circuit
DESCRIPTION
This circuit turns the servo motor and changes each damper position by
receiving the signals from the A/
C amplifier.
The air outlet damper servo motor switches the air outlet mode by rotating
(normal, reverse) with electrical
power from the A/C amplifier.
When the AUTO swit ...
How to proceed with
troubleshooting
HINT:
Use the following procedures to troubleshoot the cruise
control system.
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 PROBLEM SYMPTOM CONFIRMATION
3 CHECK MULTIPLEX COMMUNICATION SYSTEM*
Refer to HOW TO PROCEED WITH TROUBLESHOOTING.
Check fo ...
If a warning message is displayed
If a warning message is shown on the multi-information display,
stay calm and perform the following actions:
Master warning light
The master warning light also comes on or flashes in order to indicate that
a message is currently being displayed on the multi-information display.
Multi- ...
