Key-off Operation Function Operates even if Operating Conditions are not Satisfied [08/2015 - 08/2019]: Procedure

1. Check for LIN communication system DTCs related to the power window control system. (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] ).

   OK

   LIN communication system DTCs are not output.

Result: 

NG 

GO TO LIN COMMUNICATION SYSTEM 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] )

Result: 

OK 

See step  2

1. Check the power window operation function after the ignition switch is turned off. (Refer to OPERATION CHECK [08/2015 - 08/2019] ).
   RESULT
   
   

   Result	Proceed to
   Front side door is opened within 43 sec. but power windows can still operate	A
   43 sec. pass and power windows can still operate	B

Result: 

B 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [08/2015 - 08/2019] )

Result: 

A 

See step  3

1. Use the Data List to check if the main body ECU (multiplex network body ECU) is functioning properly. (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] ).
   MAIN BODY
   
   

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

   OK

   On tester screen, each item changes between ON and OFF according to above chart.

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [08/2015 - 08/2019] )

Result: 

NG 

See step  4

1. Open a front door and check that the map light illuminates. (Refer to INSPECTION [08/2015 - ] ).

   OK

   Map light illuminates.

Result: 

NG 

REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  5

1. Temporarily replace the driver side junction block with a new or normally functioning one.
2. Check that the key-off operation function operates normally.

Result: 

OK 

END (DRIVER SIDE JUNCTION BLOCK ASSEMBLY IS DEFECTIVE) 

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

(Refer to REMOVAL [08/2015 - 08/2019] )