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:
Aluminum wheel precautions
Use only Toyota wheel nuts and wrenches designed for use with
your aluminum wheels.
When rotating, repairing or changing your tires, check that the
wheel nuts are still tight after driving 1000 miles (1600 km).
Be careful not to damage the aluminum wheels when using tire
chains.
Use o ...
Evaporative Emission System Switching Valve
Control Circuit High
DTC P2420 Evaporative Emission System Switching Valve
Control Circuit High
DTC SUMMARY
DESCRIPTION
The circuit description can be found in the EVAP (Evaporative Emission)
System.
INSPECTION PROCEDURE
Refer to the EVAP System.
MONITOR DESCRIPTION
5 hours*1 after the ignition switch is t ...
Initialization
1. ZERO POINT CALIBRATION
NOTICE:
Make sure that the front passenger seat is not
occupied before performing the operation.
HINT:
Perform the zero point calibration and sensitivity check if
any of the following conditions occur.
The occupant classification ECU is replaced.
A ...
