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:
High beam automatic turning on or off conditions
When all of the following conditions are fulfilled, high beam will be
automatically turned on (after approximately 1 second):
Vehicle speed is above approximately 20 mph (32 km/h).
The area ahead of the vehicle is dark.
There are no oncoming or preceding vehicles with headlights or
tail
...
Terminals of ECM
1. SFI SYSTEM
HINT:
The standard normal voltage between each pair of the
ECM terminals is shown in the table below. The
appropriate conditions for checking each pair of the
terminals are also indicated.
The check results should be compared with the standard
normal voltage for that pair of ...
Precaution
CAUTION:
The vehicle is equipped with a Supplemental Restraint
System (SRS). It consists of a driver airbag, front
passenger airbag, front seat side airbag, curtain shield
airbag, and front seat belt pretensioner. Failure to
carry out service operations in the correct sequence
co ...
