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Home >> Lexus >> 2012 >> IS 250C V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Navigation System (for HDD) >> Voice Guidance Does Not Function
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Voice Guidance Does Not Function





NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HDD): Voice Guidance does not Function
- Voice Guidance does not Function

INSPECTION PROCEDURE

PROCEDURE

1. CHECK NAVIGATION SETTING

(a) Display the "Voice Settings" screen.

(b) Check that "Off" is not selected.





OK:

"Off" is not selected.

NG -- SELECT VOICE VOLUME SETTING OTHER THAN "Off"
OK -- Continue to next step.

2. CHECK NAVIGATION SETTING

(a) Display the "Voice Settings" screen.

(b) Check that "Auto Voice Guidance" is not "Off".





OK:

"Auto Voice Guidance" is not "Off".

NG -- TURN AUTO VOICE GUIDANCE "On"
OK -- Continue to next step.

3. CHECK NAVIGATION SETTING

(a) Display the "Voice Settings" screen.

(b) 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 -- Continue to next step.

4. CHECK AUDIO FUNCTION

(a) Check that audio system sound can be heard from the front speaker.

OK:

Sound can be heard.

NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

OK -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal
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