Inspection Procedure

1. Check for LIN communication system DTCs related to the power window control system.

   Result: 

   LIN COMMUNICATION SYSTEM
   
   

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

A: GO TO LIN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

B: GO TO NEXT STEP 

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: Remote UP/ DOWN function operates normally. 

NG: Go to step 3 

OK: END 

1. Use the Data List to check if the master switch is functioning properly.
   1. Intelligent tester

      MASTER SW: 

      INTELLIGENT TESTER MASTER SW
      
      

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      P P/W AUTO SW	Front passenger side power window remote auto UP/ DOWN switch signal / ON or OFF	ON: Front passenger side power window remote auto UP/DOWN switch on master switch operated OFF: Front passenger side power window switch on master switch not operated	-
      RR P/W AUTO SW	Rear power window RH remote auto UP/ DOWN switch signal / ON or OFF	ON: Rear power window RH remote auto UP/DOWN switch on master switch operated OFF: Rear power window RH switch on master switch not operated	-
      RL P/W AUTO SW	Rear power window LH remote auto UP/ DOWN switch signal / ON or OFF	ON: Rear power window LH remote auto UP/DOWN switch on master switch operated OFF: Rear power window LH switch on master switch not operated	-
      P P/W UP SW	Front passenger side power window remote manual UP switch signal / ON or OFF	ON: Front passenger side power window remote manual UP switch on master switch operated OFF: Front passenger side power window switch on master switch not operated	-
      RR P/W UP SW	Rear power window RH remote manual UP switch signal / ON or OFF	ON: Rear power window RH remote manual UP switch on master switch operated OFF: Rear power window RH switch on master switch not operated	-
      RL P/W UP SW	Rear power window LH remote manual UP switch signal / ON or OFF	ON: Rear power window LH remote manual UP switch on master switch operated OFF: Rear power window LH switch on master switch not operated	-
      P P/W DOWN SW	Front passenger side power window remote manual DOWN switch signal / ON or OFF	ON: Front passenger side power window remote manual DOWN switch on master switch operated OFF: Front passenger side power window switch on master switch not operated	-
      RR P/W DOWN SW	Rear power window RH remote manual DOWN switch signal / ON or OFF	ON: Rear power window RH remote manual DOWN switch on master switch operated OFF: Rear power window RH switch on master switch not operated	-
      RL P/W DOWN SW	Rear power window LH remote manual DOWN switch signal / ON or OFF	ON: Rear power window LH remote manual DOWN switch on master switch operated OFF: Rear power window LH switch on master switch not operated	-
      WINDOW LOCK STS	Power window LOCK switch / ON or OFF	ON: Power window lock switch LOCK position OFF: Power window lock switch UNLOCK position	-

   2. Techstream

      Master Switch: 

      TECHSTREAM MASTER SW
      
      

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      P Door P/W Auto SW	Front passenger side power window remote auto UP/ DOWN switch signal / ON or OFF	ON: Front passenger side power window remote auto UP/DOWN switch on master switch operated OFF: Front passenger side power window switch on master switch not operated	-
      RR Door P/W Auto SW	Rear power window RH remote auto UP/ DOWN switch signal / ON or OFF	ON: Rear power window RH remote auto UP/DOWN switch on master switch operated OFF: Rear power window RH switch on master switch not operated	-
      RL Door P/W Auto SW	Rear power window LH remote auto UP/ DOWN switch signal / ON or OFF	ON: Rear power window LH remote auto UP/DOWN switch on master switch operated OFF: Rear power window LH switch on master switch not operated	-
      P Door P/W Up SW	Front passenger side power window remote manual UP switch signal / ON or OFF	ON: Front passenger side power window remote manual UP switch on master switch operated OFF: Front passenger side power window switch on master switch not operated	-
      RR Door P/W up switch	Rear power window RH remote manual UP switch signal / ON or OFF	ON: Rear power window RH remote manual UP switch on master switch operated OFF: Rear power window RH switch on master switch not operated	-
      RL Door P/W up switch	Rear power window LH remote manual UP switch signal / ON or OFF	ON: Rear power window LH remote manual UP switch on master switch operated OFF: Rear power window LH switch on master switch not operated	-
      P Door P/W Down SW	Front passenger side power window remote manual DOWN switch signal / ON or OFF	ON: Front passenger side power window remote manual DOWN switch on master switch operated OFF: Front passenger side power window switch on master switch not operated	-
      RR Door P/W Down SW	Rear power window RH remote manual DOWN switch signal / ON or OFF	ON: Rear power window RH remote manual DOWN switch on master switch operated OFF: Rear power window RH switch on master switch not operated	-
      RL Door P/W Down SW	Rear power window LH remote manual DOWN switch signal / ON or OFF	ON: Rear power window LH remote manual DOWN switch on master switch operated OFF: Rear power window LH switch on master switch not operated	-
      Window Lock Switch Status	Power window LOCK switch / ON or OFF	ON: Power window lock switch LOCK position OFF: Power window lock switch UNLOCK position	-

      OK: Tester display changes normally when master switch is operated. 

NG: REPLACE MASTER SWITCH ASSEMBLY (See  REMOVAL   ) 

OK: REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)