Inspection Procedure

HINT

Check which power window cannot be operated, and then proceed with the troubleshooting for the applicable power window as shown in the table below.

1. CHECK MANUAL UP/DOWN FUNCTION (PASSENGER SIDE) 
   1. Check that the door glass can be operated by the power window switch.

   NG: OTHER PROBLEM 

   OK: Go to Next Step 

2. INSPECT POWER WINDOW REGULATOR MASTER SWITCH 
   1. Using the Techstream, check operation of the master switch using the Data List.

      Standard: 

      Driver Door 

   DRIVER DOOR DATA LIST
   
   

   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	-

   NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

   OK: Go to Next Step 

3. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) 
   1. Disconnect the P7 power window switch connector.
   2. Turn the ignition switch ON.
   3. Using an oscilloscope, check the waveform of terminal 2 of the wire harness side connector when operating the passenger side switch of the power window master switch.

      Standard: 

      The waveform is as shown in the illustration. 

   NG: REPLACE POWER WINDOW REGULATOR SWITCH (REAR LH) 

   Fig 1: Identifying P7 Power Window Switch Connector Terminals With Waveform

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: Go to Next Step 

4. CHECK WIRE HARNESS (POWER WINDOW SWITCH - BODY ECU) 
   1. Disconnect the B3 body ECU connector from the instrument panel J/B assembly.
   2. Check the continuity between the terminals of the wire harness side connectors

   Standard resistance 

   RESISTANCE SPECIFIED CONDITIONS
   
   

   Terminal No.	Specified Condition
   P7-2 - B3-11	Below 1 Ω
   P7-2 - Body ground	No continuity

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   Fig 2: Identifying P7 Power Window Switch And B3 Body ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (BODY ECU) 

5. CHECK MANUAL UP/DOWN FUNCTION (REAR LH) 
   1. Check that the power window can be operated by the power window switch.

   NG: OTHER PROBLEM 

   OK: Go to Next Step 

6. INSPECT POWER WINDOW REGULATOR MASTER SWITCH 
   1. Using the Techstream, check operation of the master switch using the data list.

      Standard: 

      Driver Door 

   DRIVER DOOR DATA LIST
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   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	-

   NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

   OK: Go to Next Step 

7. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) 
   1. Disconnect the P8 power window switch connector.
   2. Turn the ignition switch ON
   3. Using an oscilloscope, check the waveform of terminal 2 of the wire harness side connector when operating the rear LH switch of the master switch.

      Standard: 

      The waveform is as shown in the illustration. 

   OK: REPLACE POWER WINDOW REGULATOR SWITCH (REAR LH) 

   Fig 3: Identifying P8 Power Window Switch Connector Terminals With Waveform

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: Go to Next Step 

8. CHECK WIRE HARNESS (POWER WINDOW SWITCH - BODY ECU) 
   1. Disconnect the B4 body ECU connector from the instrument panel J/B assembly.
   2. Check the continuity between the terminals of the wire harness side connectors.

   Standard resistance 

   RESISTANCE SPECIFIED CONDITIONS
   
   

   Terminal No.	Specified Condition
   P8-2 - B4-14	Below 1 Ω
   P8-2 - Body ground	No continuity

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   Fig 4: Identifying P8 Power Window Switch And B4 Body ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (BODY ECU) 

9. CHECK MANUAL UP/DOWN FUNCTION (REAR LH) 
   1. Check that the power window can be operated by the power window switch.

   NG: OTHER PROBLEM 

   OK: Go to Next Step 

10. INSPECT POWER WINDOW REGULATOR MASTER SWITCH 
    1. Using the Techstream, check operation of the master switch using the data list.

       Standard: 

       Driver Door 

    DRIVER DOOR DATA LIST
    
    

    Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
    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	-

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

    OK: Go to Next Step 

11. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) 
    1. Disconnect the P9 power window switch connector
    2. Turn the ignition switch ON.
    3. Using an oscilloscope, check the waveform of terminal 2 of the wire harness side connector when operating the rear RH switch of the master switch.

       Standard: 

       The waveform is as shown in the illustration. 

    OK: REPLACE POWER WINDOW REGULATOR SWITCH (REAR RH) 

    Fig 5: Identifying P9 Power Window Switch Connector Terminals With Waveform

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to Next Step 

12. CHECK WIRE HARNESS (POWER WINDOW SWITCH - BODY ECU) 
    1. Disconnect the B4 body ECU connector from the instrument panel J/B assembly.
    2. Check the continuity between the terminals of the wire harness side connectors.

    Standard resistance 

    RESISTANCE SPECIFIED CONDITIONS
    
    

    Terminal No.	Specified Condition
    P9-2 - B4-16	Below 1 Ω
    P9-2 - Body ground	No continuity

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 6: Identifying P9 Power Window Switch And B4 Body ECU Connector Terminals

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: CHECK AND REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (BODY ECU) 

13. CHECK POWER WINDOW LOCK SWITCH 
    1. Turn the window lock switch OFF and check that the remote function operates.

    OK: END 

    OK: Go to Next Step 

14. INSPECT POWER WINDOW REGULATOR MASTER SWITCH (FOR WINDOW LOCK SWITCH) 
    1. Remove the master switch (the connector is connected).
    2. Turn the ignition switch ON.
    3. Check the voltage between terminal 6 and the body ground when operating the window lock switch on the master switch

    Standard voltage 

    VOLTAGE SPECIFIED CONDITION
    
    

    Terminal No.	Window Lock Switch	Specified Condition
    6 - Body ground	ON	5V
    	OFF	Less than 1 V

    Fig 7: Identifying Master Switch Connector Terminals

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

    OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (WINDOW REGULATOR MASTER SWITCH -EACH SWITCH)