NAVIGATION SYSTEM The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted

CAUTION / NOTICE / HINT

Tech Tips

If an outlet of the air conditioning system is facing the microphone, noise may be recorded and the other caller may not be able to hear your voice properly.

PROCEDURE


  1. CHECK CELLULAR PHONE


    1. Check if the other caller can hear your voice properly.

      OK
      Your voice can be heard properly.

      Tech Tips

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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE CELLULAR PHONE

    OK

  2. CHECK SETTINGS


    1. Display the telephone screen.

    2. A00YA74C02
      *a Example

      Check that the "Mute Call" switch is not set to on.

      OK
      "Mute Call" switch is not set to on.
      Result
      Proceed to
      OK
      NG

    NG

    TURN "Mute Call" SWITCH OFF

    OK

  3. CHECK MICROPHONE LEVEL (OPERATION CHECK)


    1. A00Y9PO

      Enter the "Microphone Level Test" screen. Refer to Check Microphone Level in Operation Check.

      Click here

    2. When a voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

      OK
      The microphone input level meter changes according to the input voice.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NAVIGATION ECU Click here

    NG

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here