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Toyota Sienna Service Manual: The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted

INSPECTION PROCEDURE

1 CHECK CELLULAR PHONE

  1. Check if the voice on the other side can be heard using a cellular phone.

OK: Voice can be heard

2 CHECK NAVIGATION SYSTEM

  1. Check that navigation sound can be heard from the driver side speaker.

OK: Audio sound can be heard

3 CHECK SETTINGS

  1. Check if the volume level is set to low on the CALL screen.

OK: The level is not set low

CHECK SETTINGS

4 CHECK SETTINGS

 CHECK SETTINGS

  1. Enter the "Handsfree Voice Quality Set" mode.
  2.  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.

  3.  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:

Removal
1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working. 3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 4. REMOVE STEE ...

Disposal
1. DISPOSE OF SHOCK ABSORBER ASSEMBLY FRONT LH HINT: Dispose the RH side by the same procedures as the LH side. (a) Fully extend the shock absorber rod. (b) Using a drill, make a hole in the cylinder as shown in the illustration to discharge the gas inside. CAUTION: When dril ...

Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
HINT: This DTC relates to the Accelerator Pedal Position (APP) sensor. DESCRIPTION Refer to DTC P2120 (See page ES-343). MONITOR DESCRIPTION The accelerator pedal position sensor is mounted on the accelerator pedal bracket. The accelerator pedal position sensor has 2 sensor elements ...

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