LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2020 >> GX 460 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostic Codes & Symptom Tests) >> Power Window Control System >> Remote Up / Down Function does not Operate [08/2015 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Remote Up / Down Function does not Operate [08/2015 - ]: Procedure

  1. CHECK LIN COMMUNICATION SYSTEM 
    1. Check for LIN communication system DTCs related to the power window control system (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] ).

      OK

      LIN communication system DTCs are not output.

    Result: 

    NG 

    GO TO LIN COMMUNICATION SYSTEM 

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

    Result: 

    OK 

    See step  2

  2. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (WINDOW LOCK SWITCH) 
    1. Turn the window lock switch off and operate the switches on the multiplex network master switch. Check that the remote up/down function operates (Refer to REMOVAL [08/2015 - ] ).

      OK

      Remote up/down function operates.

    Result: 

    OK 

    END 

    Result: 

    NG 

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )