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. Check if DTC B2312 is output.

   Result: 

   FOR DTC (B2312)
   
   

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

A: GO TO  DTC B2312   ( ) 

B: GO TO NEXT STEP 

1. Use the Data List to check if the power window regulator motor is functioning properly.
   1. Intelligent tester

      RR DOOR MOTOR: 

      INTELLIGENT TESTER RR DOOR MOTOR
      
      

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      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	-
      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	-

   2. Techstream

      RR-Door Motor: 

      TECHSTREAM RR DOOR MOTOR
      
      

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      RR Door 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	-
      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	-

      OK: Tester display changes normally when rear power window switch RH is operated. 

NG: Go to step 4 

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for Rear RH) (See  REMOVAL   ) 

1. Disconnect the O2 ECU connector.
2. Disconnect the O7 switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   REAR DOOR ECU RH - REAR SWITCH RH
   
   

   Tester Connection	Condition	Specified Condition
   O2-25 (SGND) - O7-5 (GND)	Always	Below 1 Ω
   O2-25 (SGND) or O7-5 (GND) - Body ground	Always	10 kΩ or higher

   Fig 1: Checking Harness And Connector (Rear Door ECU RH - Rear Switch RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the 03 ECU connector.
2. Disconnect the O8 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   REAR DOOR ECU RH - REAR MOTOR RH
   
   

   Tester Connection	Condition	Specified Condition
   O3-5 (BDRJ) - O8-2 (B)	Always	Below 1 Ω
   O3-2 (PWE) - O8-1 (E)	Always	Below 1 Ω
   O3-5 (DRJ) or O8-2 (B) - Body ground	Always	10 kΩ or higher
   O3-2 (PWE) or O8-1 (E)-Body ground	Always	10 kΩ or higher

   Fig 2: Checking Harness And Connector (Rear Door ECU RH - Rear Motor RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the O7 switch connector.
2. Disconnect the O8 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   REAR SWITCH RH - REAR MOTOR RH
   
   

   Tester Connection	Condition	Specified Condition
   O7-2 (UP)-O8-10 (UP1)	Always	Below 1 Ω
   O7-10 (DOWN) -O8-7 (DWN1)	Always	Below 1 Ω
   O7-2 (UP) or O8-10 (UP1)-Body ground	Always	10 kΩ or higher
   O7-10 (DOWN) or O8-7 (DWN1)- Body ground	Always	10 kΩ or higher

   Fig 3: Checking Harness And Connector (Rear Switch RH - Rear Motor RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Remove the switch.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH)
   
   

   Tester Connection	Switch Condition	Specified Condition
   O7-2 (UP) - O7-5 (GND)	Manual UP operation	Below 1 Ω
   O7-10 (DOWN)-O7-5 (GND)	Manual DOWN operation	Below 1 Ω

   Fig 4: Inspecting Power Window Regulator Switch Assembly (For Rear RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH) (See  REMOVAL   ) 

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for Rear RH) (See  REMOVAL   )