Navigation System Voice On Phone Cannot Be Heard, Too Quiet Or Distorted

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

INSPECTION PROCEDURE

CHECK CELLULAR PHONE

CHECK SETTINGS

CHECK VOICE

NAVIGATION SYSTEM - Voice on Phone cannot be Heard, too Quiet or Distorted


INSPECTION PROCEDURE

1.CHECK CELLULAR PHONE

  1. Check that the voice of the person on the other end of the phone line can be heard using a cellular phone.

    OK:
    Person's voice can be heard.


NG
REPLACE CELLULAR PHONE
OK


2.CHECK SETTINGS

  1. Check if the volume is set to the minimum or maximum. When the volume is set to the minimum or maximum setting, the sound may be distorted.

  1. Check if the MUTE switch is ON.

    OK:
    MUTE switch is not ON.


NG
TURN MUTE SWITCH OFF
OK


3.CHECK VOICE

  1. Check if the navigation voice can be heard.

    OK:
    Navigation voice can be heard.


NG
GO TO "VOICE GUIDANCE DOES NOT FUNCTION"
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE