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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes & Symptom Tests - (Hybrid) >> Navigation System >> Symptom Tests >> Voice Guidance does not Function [10/2014 - ] >> Procedure

Voice Guidance does not Function [10/2014 - ]: Procedure

  1. CHECK VOICE GUIDANCE 
    1. Check that the voice guidance settings are not off.

      OK

      Voice guidance settings are not off.

    Result: 

    NG 

    CHANGE THE VOICE GUIDANCE SETTINGS TO ON 

    Result: 

    OK 

    See step  2

  2. CHECK AUDIO FUNCTION 
    1. Check that sound can be heard from a front speaker.

      OK

      Sound can be heard.

    Result: 

    OK 

    REPLACE NAVIGATION ECU SUB-ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 10/2015] or PROBLEM SYMPTOMS TABLE [10/2015 - ] )