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Home >> Lexus >> 2017 >> GX 460 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostic Codes & Symptom Tests) >> Power Window Control System >> All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter [08/2015 - ] >> Procedure

All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter [08/2015 - ]: Procedure

  1. CHECK BASIC FUNCTION (WIRELESS AND POWER DOOR LOCK CONTROL SYSTEM) 
    1. Check that the wireless transmitter and driver door key cylinder (key-linked switch) lock and unlock all the doors normally (Refer to OPERATION CHECK [08/2015 - 08/2016] , or refer to OPERATION CHECK [08/2016 - ] ).
      RESULT

      Result Proceed to
      Transmitter and driver door key cylinder operate normally A
      Transmitter does not operate normally B
      Driver door key cylinder does not operate normally C

    Result: 

    B 

    GO TO WIRELESS DOOR LOCK CONTROL SYSTEM 

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

    Result: 

    C 

    GO TO POWER DOOR LOCK CONTROL SYSTEM 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] )

    Result: 

    A 

    See step  2

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the manual up/down function using the multiplex network master switches and power window regulator switch can operate all the power windows (Refer to OPERATION CHECK [08/2015 - 08/2016] , or refer to OPERATION CHECK [08/2016 - ] ).

      OK

      Manual up/down function is normal.

    Result: 

    NG 

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] )

    Result: 

    OK 

    See step  3

  3. CHECK REMOTE UP/DOWN FUNCTION 
    1. Check that the remote up/down function using the multiplex network master switch operates the power windows (Refer to OPERATION CHECK [08/2015 - 08/2016] , or refer to OPERATION CHECK [08/2016 - ] ).

      OK

      Remote up/down function is normal.

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    (Refer to REMOVAL [08/2015 - 08/2019] , or refer to REMOVAL [08/2019 - ] )

    Result: 

    NG 

    GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] )