Key-off Operation Function Operates even if Operating Conditions are not Satisfied [01/2017 - ]: Procedure

1. Check that the manual up and down function using the multiplex network master switch assembly and power window regulator switch assembly can operate the power windows.

   Refer to OPERATION CHECK [01/2017 - ]

   OK

   Manual up and down function is normal.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO OTHER PROBLEM. Refer to  PROBLEM SYMPTOMS TABLE [01/2017 - ] 

Result: 

OK 

See step  2

1. Check that the remote up and down function using the multiplex network master switch assembly can operate all the power windows.

   Refer to OPERATION CHECK [01/2017 - ]

   OK

   Remote up and down function is normal.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO OTHER PROBLEM. Refer to  PROBLEM SYMPTOMS TABLE [01/2017 - ] 

Result: 

OK 

See step  3

1. Check the key-off operation function.

   Refer to OPERATION CHECK [01/2017 - ]

   Result

   Result	Proceed to
   Power window can still be operated even after opening driver door or front passenger door within approximately 45 seconds of power switch being turned off	A
   Power window can still be operated even after approximately 45 seconds have elapsed after power switch is turned off (All Doors)	B
   Power window can still be operated even after approximately 45 seconds have elapsed after power switch is turned off (Driver door power window)	C
   Power window can still be operated even after approximately 45 seconds have elapsed after power switch is turned off (Front passenger door power window)	D

Result: 

B 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

C 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

D 

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

A 

See step  4

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

   Refer to DATA LIST / ACTIVE TEST [01/2017 - ]

   Body Electrical > Main Body > Data List 

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

   Body Electrical > Main Body > Data List 

   Tester Display
   FR Door Courtesy SW
   FL Door Courtesy SW

   OK

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

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

NG 

GO TO LIGHTING SYSTEM. Refer to  Door Courtesy Switch Circuit [01/2017 - ]