Navigation System Voice Guidance Does Not Function

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Navigation. Lexus Is250, Is220D. Gse20 Ale20

INSPECTION PROCEDURE

CHECK NAVIGATION SETTING

CHECK NAVIGATION SETTING

CHECK NAVIGATION SETTING

CHECK MAP DISC

CHECK AUDIO AND VISUAL SYSTEM

NAVIGATION SYSTEM - Voice Guidance does not Function


INSPECTION PROCEDURE

1.CHECK NAVIGATION SETTING


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Enter the "Menu" screen by pressing the "MENU" switch.

  1. Select "Volume".



    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Check that "OFF" is not selected.

    OK:
    "OFF" is not selected.


NG
TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES
OK


Go to step 3

2.CHECK NAVIGATION SETTING


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Enter the "Menu" screen by pressing the "MENU" switch.

  1. Select "Set up".



    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Check that "Voice Guidance in All Modes" is not OFF.

    OK:
    Voice guidance in all modes is not OFF.


NG
TURN VOICE GUIDANCE IN ALL MODES "ON"
OK


3.CHECK NAVIGATION SETTING


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Enter the "Menu" screen by pressing the "MENU" switch.

  1. Select "Set up".



    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Check that "Auto Voice Guidance" is not OFF.

    OK:
    Auto voice guidance is not OFF.


NG
TURN AUTO VOICE GUIDANCE "ON"
OK


4.CHECK MAP DISC


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System Voice Guidance Does Not Function

  1. Check that the map disc is not deformed or cracked.

    OK:
    No deformations or cracks on map disc.


NG
REPLACE MAP DISC
OK


5.CHECK AUDIO AND VISUAL SYSTEM

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

    OK:
    Audio sound can be heard.


OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG

GO TO AUDIO AND VISUAL SYSTEM