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 intelligent tester, check operation of the master switch using the DATA LIST.

      Standard: 

      DATA LIST in D-DOOR ECU 

   DATA LIST IN D-DOOR ECU
   
   

   Measurement Item	Label	Parameter
   Passenger switch on master switch	P P/W AUTO SW	ON/OFF

   NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

3. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) 
   Fig 1: Identifying Power Window Regulator Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   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. 

   NG: REPLACE POWER WINDOW REGULATOR SWITCH (REAR LH) 

   OK: Go to next step 

4. CHECK WIRE HARNESS (POWER WINDOW SWITCH - BODY ECU) 
   Fig 2: Identifying Power Window Regulator Switch & Instrument Panel J/B Assembly Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   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 SPECIFICATION
   
   

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

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   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 intelligent tester, check operation of the master switch using the data list.

      Standard: 

      DATA LIST in D-DOOR ECU 

   DATA LIST IN D-DOOR ECU
   
   

   Measurement Item	Label	Parameter
   Rear LH switch on master switch	RL P/W AUTO SW	ON/OFF

   NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

   OK: Go to next step 

7. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) 
   Fig 3: Identifying Power Window Regulator Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   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. 

      OK: REPLACE POWER WINDOW REGULATOR SWITCH (REAR LH) 

      NG: Go to next step 

8. CHECK WIRE HARNESS (POWER WINDOW SWITCH - BODY ECU) 
   Fig 4: Identifying Power Window Regulator Switch & Instrument Panel J/B Assembly Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   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 SPECIFICATION
   
   

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

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

   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 intelligent tester, check operation of the master switch using the data list.

    Standard: 

    DATA LIST in D-DOOR ECU 

    DATA LIST IN D-DOOR ECU
    
    

    Measurement Item	Label	Parameter
    Rear RH switch on master switch	RR P/W AUTO SW	ON/OFF

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

11. CHECK WIRE HARNESS (FOR POWER WINDOW SWITCH) 
    Fig 5: Identifying Power Window Regulator Switch Connector Terminals

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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. 

    OK: REPLACE POWER WINDOW REGULATOR SWITCH (REAR RH) 

    NG: Go to next step 

12. CHECK WIRE HARNESS (POWER WINDOW SWITCH - BODY ECU) 
    Fig 6: Identifying Power Window Regulator Switch & Instrument Panel J/B Assembly Connector Terminals

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 SPECIFICATION
    
    

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

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    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 

    NG: Go to next step 

14. INSPECT POWER WINDOW REGULATOR MASTER SWITCH (FOR WINDOW LOCK SWITCH) 
    Fig 7: Identifying Power Window Regulator Master Switch Connector Terminals

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 SPECIFICATION
    
    

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

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH 

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