POWER WINDOW CONTROL SYSTEM Key-off Operation Function Operates even if Operating Conditions are not Satisfied

DESCRIPTION

• When the front doors are closed, each power window regulator motor assembly can control its power window operation for approximately 43 seconds after the power switch is turned from on (IG) to off by receiving operation permission signals from the main body ECU (multiplex network body ECU).

• However, when approximately 43 seconds have elapsed, or the driver door or front passenger door is opened within approximately 43 seconds of the power switch being turned off, the power window regulator motor assembly stops operating.

• During an auto operation, when 43 seconds have passed and key-off operation is prohibited, the window operation stops immediately.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK MANUAL UP / DOWN FUNCTION

   
   

   1. Check that the manual up and down functions using the power window regulator master switch assembly and power window regulator switch assembly can operate all the power windows Click here.

      OK
      Manual up and down functions are normal.

   
   

   NG

   GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here

   OK

2. CHECK REMOTE UP / DOWN FUNCTION

   
   

   1. Check that the remote up and down functions using the power window regulator master switch assembly can operate all the power windows Click here.

      OK
      Remote up and down functions are normal.

   
   

   NG

   GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Click here

   OK

3. CHECK OPERATION FUNCTION AFTER POWER SWITCH IS TURNED OFF

   
   

   1. Check the power window operation function after the power switch is turned off.

      Result

      Result Proceed to Power window can still be operated even after opening driver door or front passenger door within approximately 43 seconds of power switch being turned off A Power window can still be operated even after approximately 43 seconds have elapsed after power switch is turned off (for All Doors) B Power window can still be operated even after approximately 43 seconds have elapsed after power switch is turned off (for Driver Door) C Power window can still be operated even after approximately 43 seconds have elapsed after power switch is turned off (Front Passenger Door, Rear LH Door or Rear RH Door) D

   
   

   B

   REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

   C

   REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here

   D

   REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

   A

4. READ VALUE USING TECHSTREAM

   
   

   1. Connect the Techstream to the DLC3.

   2. Turn the power switch to on (IG).

   3. Turn the Techstream on.

   4. Enter the following menus: Body Electrical / Main Body / Data List.

   5. Read the Data List according to the display on the Techstream.

      Main Body

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      FR Door Courtesy	Front door courtesy light switch RH / ON or OFF	ON: Front door RH closed OFF: Front door RH open	-
      FL Door Courtesy	Front door courtesy light switch LH / ON or OFF	ON: Front door LH closed OFF: Front door LH open	-

      OK
      On the Techstream screen, ON or OFF is displayed accordingly.

   
   

   NG

   GO TO LIGHTING SYSTEM (Proceed to Front Door Courtesy Switch Circuit) Click here

   OK

   REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

   
   

   1. Replace the main body ECU (multiplex network body ECU) Click here.

   
   

   NEXT

6. CHECK POWER WINDOW CONTROL SYSTEM

   
   

   1. Check the power window operation function after the power switch is turned off.

      OK
      The power window control system operates normally.

   
   

   NG

   REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

   OK

   END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE)