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Key-off Operation Function Operates even if Operating Conditions are not Satisfied: 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. Refer to OPERATION CHECK .

      OK

      Manual up and down functions are normal.

    NG → See step   9 

    OK: Go to next step 

  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. Refer to OPERATION CHECK .

      OK

      Remote up and down functions are normal.

    NG → See step   9 

    OK: Go to next step 

  3. CHECK OPERATION FUNCTION AFTER IGNITION SWITCH IS TURNED OFF 
    1. Check the power window operation function after the ignition 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 ignition switch being turned off A
      Power window can still be operated even after approximately 43 seconds have elapsed after ignition switch is turned off (for All Doors) B
      Power window can still be operated even after approximately 43 seconds have elapsed after ignition switch is turned off (for Driver Door) C
      Power window can still be operated even after approximately 43 seconds have elapsed after ignition switch is turned off (Front Passenger Door, Rear LH Door* or Rear RH Door*) D
      • *: w/ Rear Power Window

    B → See step   8 

    C → See step   10 

    D → See step   5 

    A: Go to next step 

  4. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition 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 SW Front door courtesy light switch RH / ON or OFF OFF: Front door RH closed
      ON: Front door RH open
      -
      FL Door Courtesy SW Front door courtesy light switch LH / ON or OFF OFF: Front door LH closed
      ON: Front door LH open
      -

      OK

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

    NG → See step   7 

    OK → See step   8 

  5. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. Replace the main body ECU (multiplex network body ECU). Refer to REMOVAL .

    NEXT: Go to next step 

  6. CHECK POWER WINDOW CONTROL SYSTEM 
    1. Check the power window operation function after the ignition switch is turned off.

      OK

      The power window control system operates normally.

    NG → See step   11 

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

  7. GO TO LIGHTING SYSTEM (Proceed to Front Door Courtesy Switch Circuit). Refer to  Front Door Courtesy Switch Circuit 
  8. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL 
  9. GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table). Refer to  PROBLEM SYMPTOMS TABLE 
  10. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR). Refer to  REMOVAL 
  11. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL