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 HEATED OXYGEN SENSOR (for Bank 2
Sensor 2)
(a) Using SST, install the heated oxygen sensor to the
front exhaust pipe.
SST 09224-00010
Torque: 40 N*m (408 kgf*cm, 30 ft.*lbf) for use
with SST
44 N*m (449 kgf*cm, 32 ft.*lbf) for use
without SST
HINT:
Use a torque wrench wit ...
Oxygen (A/F) Sensor Heater Control Circuit
HINT
Although the DTC titles say the oxygen sensor, these DTCs relate to the
Air-Fuel Ratio (A/F) sensor.
Sensor 1 refers to the sensor mounted in front of the Three-Way
Catalytic Converter (TWC) and
located near the engine assembly.
DESCRIPTION
Refer to DTC P2195 (See page ES- ...
Light Sensor Circuit Malfunction
DTC B1244 Light Sensor Circuit Malfunction
DESCRIPTION
This DTC is output when failure in the light sensor circuit is detected.
DTC No.
DTC Detection Condition
Trouble Area
B1244
Malfunction of automatic light control sensor
Open or short of a ...
