Toyota Sienna Service Manual: The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted
INSPECTION PROCEDURE
1 CHECK CELLULAR PHONE
- Check if the voice on the other side can be heard using a cellular phone.
OK: Voice can be heard
2 CHECK NAVIGATION SYSTEM
- Check that navigation sound can be heard from the driver side speaker.
OK: Audio sound can be heard
3 CHECK SETTINGS
- Check if the volume level is set to low on the CALL screen.
OK: The level is not set low
4 CHECK SETTINGS
- Enter the "Handsfree Voice Quality Set" mode.
- Check if the Receive Voice Level is set to "0".
HINT: The Receive Voice Level can be set to 11 different levels, -5 to +5, with a 3 dB difference.
- Check if the Receive Voice Level is set to the minimum or maximum level.
HINT: When the Receive Voice Level is set to the minimum or maximum level, the sound may be distorted.
OK: The Receive Voice Level is set to "0".
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Cannot Call in a Certain Place
INSPECTION PROCEDURE
1 CHECK SURROUNDING CONDITIONS
Check if the cellular phone can make calls in a certain
place.
OK:
It can make calls
2 CHECK RECEPTION
Enter the "Informati ...
The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or
Distorted
INSPECTION PROCEDURE
1 CHECK CELLULAR PHONE
Check if the other side can hear your voice properly.
OK:
Your voice can be heard correctly.
2 CHECK SETTINGS
Check if the mute switch is ...
Other materials:
Freeze frame data
1. FREEZE FRAME DATA
(a) Whenever a DTC is detected or the ABS operates,
the skid control ECU stores the current vehicle
(sensor) state as freeze frame data.
The skid control ECU stores the number of times
(maximum: 31) the ignition switch has been turned
from OFF to the ON position since th ...
Installation
1. INSTALL TRANSFER RH BEARING RETAINER OIL SEAL
(a) Using SST, install a new transfer RH bearing
retainer oil seal to the transfer case at the position
as show in the illustration.
SST 09223-46011
NOTICE:
Do not install the oil seal obliquely
(b) Apply small amount of MP grease to the oi ...
Map Disc cannot be Inserted
INSPECTION PROCEDURE
1 CHECK RADIO AND NAVIGATION ASSEMBLY
Check if a disc is inserted into the MAP disc slot.
Check if "DISC IN" is displayed.
OK:
"DISC IN" is displayed
2 CHECK MAP DISC
Check that the map disc is not deformed or cracked.
OK: ...
