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Home >> Lexus >> 2021 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes & Symptom Tests) (2 Of 2) >> Navigation System >> Display Signal Circuit between Multi-display and Radio Receiver [08/2015 - 08/2021] >> Procedure

Display Signal Circuit between Multi-display and Radio Receiver [08/2015 - 08/2021]: Procedure

  1. CHECK GVIF CABLE CONNECTOR 
    1. Check if the GVIF cable connector between the multi-media module receiver assembly and the multi-display assembly has any connection problems.
    2. Check that the screen display is normal.

      OK

      Screen display is normal.

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 08/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - 08/2021] )

    Result: 

    NG 

    See step  2

  2. CHECK MULTI-DISPLAY ASSEMBLY 
    1. Replace the multi-display assembly with a new or normally functioning one (Refer to REMOVAL [08/2015 - 08/2021] ).
    2. Check that the screen display is normal.

      OK

      Screen display is normal.

    Result: 

    OK 

    END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE) 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - 08/2019] , or refer to PROBLEM SYMPTOMS TABLE [08/2019 - 08/2021] )