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:
Selecting the audio
source
Switching between audio sources such as radio and CD are
explained in this section.
Changing audio source
Press the “AUDIO” button to display the audio source selection
screen.
If the audio source selection screen is not displayed, press the “AUDIO”
button again.
Select the des ...
Knock Sensor 1 Circuit Low Input
DESCRIPTION
A flat type knock sensor (non-resonant type) has a structure that can detect
vibrations over a wide band of
frequencies: between approximately 6 kHz and 15 kHz.
Knock sensors are fitted onto the engine block to detect engine knocking.
The knock sensor contains a piezoelectr ...
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. REMOVE REAR NO. 2 SEAT LEG SIDE GARNISH SUB-ASSEMBLY
Disengage the 9 clips and remove the rear No. 2
seat leg side garnish sub-assembly.
Remove the 9 clips from the rear No. 2 seat leg side
garnish sub-assembly.
3. ...
