Remote Up / Down Function does not Operate: Procedure

CHECK LIN COMMUNICATION SYSTEM
1. Check for LIN communication system DTCs related to the power window control system. Refer to DTC CHECK / CLEAR .
  OK
  
  LIN communication system DTCs are not output.
NG → See step 3

OK: Go to next step
CHECK MULTIPLEX NETWORK MASTER SWITCH (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 OPERATION CHECK .
  
  Fig 1: Identifying Window Lock Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK
  
  Remote up/down function operates.
NG → See step 4

OK → END
GO TO LIN COMMUNICATION SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to REMOVAL