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:
Diagnostic trouble code chart
1. DTCS FOR OCCUPANT CLASSIFICATION SYSTEM
If a trouble code is displayed during the DTC check,
check the circuit listed for the code in the table below
(proceed to the page listed for that circuit).
HINT:
When DTC B1150/23 is detected as a result of
troubleshooting for the airbag system, pe ...
Opening the back door from outside the vehicle
Back door opener
Raise the back door while
pressing the back door opener
to release the lock to open the
back door.
Wireless remote control (vehicles with power back door)
Press and hold the switch to open/close the power back door
Vehicles without a smart key
system
Vehicl ...
EVAP System
RELATED DTCS
If any EVAP system DTCs are set, the malfunctioning area can be determined
using the table below.
NOTICE:
If the 0.02 inch reference pressure difference between the first and second
checks is greater than
the specification, the DTCs corresponding to the reference pressur ...