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:
Vvt sensor
COMPONENTS
ON-VEHICLE INSPECTION
1. CHECK VVT SENSOR OUTPUT VOLTAGE
(a) Turn the ignition switch to the ON position.
(b) Check the voltage between the specified terminal
and body ground.
Standard voltage
(c) While turning the crankshaft pulley by hand,
measure the voltage betwe ...
Registration
1. DESCRIPTION OF CODE REGISTRATION
HINT:
The key has 2 codes: The key code (immobiliser code)
and the wireless code. Both of these codes need to be
registered. Refer to page for the wireless code
registration procedures.
When adding master keys or sub keys (Additional
registration) ...
Freeze frame data
1. DESCRIPTION
(a) The ECM records vehicle and driving condition
information as freeze frame data the moment a DTC
is stored. When troubleshooting, freeze frame data
can be helpful in determining whether the vehicle
was running or stopped, whether the engine was
warmed up or not, whether the a ...
