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:
Installation
1. INSTALL OUTSIDE MOULDING
Using a heat light, heat the mounting surface of the
vehicle body between 40 to 60 C (104 to 140 F).
NOTICE:
Do not heat the body excessively.
Remove the tape from the vehicle body.
Wipe off the stains with cleaner.
Clean the outside moulding (if reusing t ...
Initialization
1. RESET
When the back door lock is replaced:
The power back door ECU cannot receive a switch
signal from the lock. This may cause the power
back door system to enter fail-safe mode and DTC
B2215 to set, and also make the system disabled.
When the lock is replaced, be sure to perform t ...
Open in One Side of CAN Branch Line
DESCRIPTION
If 2 or more ECUs and/or sensors do not appear on the intelligent tester
"Communication Bus Check"
screen, one side of the CAN branch wire may be open. (One side of the CAN-H
[branch wire] / CAN-L
[branch wire] of the ECU and/or sensor is open.)
Symptom
...
