The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted: Procedure

1. Check if the other caller's voice can be heard properly.

   OK

   Voice can be heard properly.

   HINT: 

   The purpose of this step is to inspect the cellular phone when it is not connected to the vehicle.

NG → REPAIR OR REPLACE CELLULAR PHONE 

OK: Go to next step 

1. Check that voice guidance sound can be heard.

   OK

   Sound can be heard from the audio system.

NG → See step   6 

OK: Go to next step 

1. Check if the volume level is not set to low on the "Call" screen.
   Fig 1: Identifying Volume Level

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   The level is not set to low.

   TEXT IN ILLUSTRATION
   
   

   *a

   Example

NG → SET VOLUME TO HIGH 

OK: Go to next step 

1. Enter the "Hands-free Volume Setting" screen. Refer to Check Hands-free Volume Setting in Operation Check. Refer to OPERATION CHECK .
   Fig 2: Display - Hands Free Voice Settings

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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".

NG → SET RECEIVE VOICE LEVEL TO "0" 

OK → See step   5