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Remote Up / Down Function does not Operate: Procedure

  1. CHECK LIN COMMUNICATION SYSTEM 
    1. Check for LIN communication system DTCs related to the power window control system.
      RESULT:

      Result Proceed to
      DTC is not output A
      DTC is output B

    B → See step   4 

    A: Go to next step 

  2. CHECK MASTER SWITCH ASSEMBLY (WINDOW LOCK SWITCH) 
    1. Turn the window lock switch OFF and operate the switches on the master switch. Check that the remote UP/DOWN function operates normally.
      Fig 1: Identifying Window Lock Switch
      GTY123599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Remote UP/DOWN function operates normally.

    NG → See step   3 

    OK → END 

  3. REPLACE MASTER SWITCH ASSEMBLY. Refer to  REMOVAL 
  4. GO TO LIN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING