Toyota Sienna Service Manual: 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 set to ON.
OK: Mute switch is not set to ON.
3 CHECK SETTINGS
- Enter the "Handsfree Voice Quality Set" mode.
- Check if the Send Voice Level is set to "0".
HINT: The Send Voice Level can be set to 11 different levels, -5 to +5, with a 3 dB difference.
- Check if the Send Voice Level minimum or maximum level.
HINT: When the Send Voice Level is set to the minimum or maximum level, the sound may be distorted.
OK: The Send Voice Level is set to "0".
4 CHECK MICROPHONE (NAVIGATION CHECK MODE)
- Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode.
- When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
- Push the recording switch and perform voice recording.
HINT: Voice can be recorded up to 5 seconds.
- Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.
OK: All check results are normal.
REPLACE RADIO AND NAVIGATION ASSEMBLY
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 naviga ...
Black Screen
INSPECTION PROCEDURE
1 CHECK DISPLAY SETTING
Check that the display is not in "Screen OFF" mode.
OK:
The display setting is not in "Screen OFF" mode.
2 CHECK IMAGE QUALIT ...
Other materials:
Installation
1. INSTALL AMPLIFIER ANTENNA ASSEMBLY
Engage the 16 clamps to install the amplifier
antenna assembly.
Install the 3 bolts.
Connect the connectors.
2. INSTALL ROOF HEADLINING ASSEMBLY
3. INSTALL ANTENNA ASSEMBLY WITH HOLDER
Install the antenna assembly ...
How to proceed with
troubleshooting
HINT:
Troubleshoot in accordance with the procedures on the
following pages
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX
COMMUNICATION SYSTEM (BEAN)
Use the intelligent tester to check for normal ...
On-vehicle inspection
1. INSPECT REAR AIRBAG SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT REAR AIRBAG SENSOR (VEHICLE
INVOLVED IN COLLISION AND AIRBAG HAS NOT
DEPLOYED)
Perform a diagnostic system check.
When the quarter panel of the vehicle or ...
