Key-off Operation Function Operates even if Operating Conditions are not Satisfied [09/2015 - ]: Procedure

1. Check for LIN communication system DTCs related to the power window control system. Refer to DTC CHECK / CLEAR [09/2015 - ] .

   OK

   LIN communication system DTCs are not output.

Result: 

NG 

GO TO LIN COMMUNICATION SYSTEM 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] )

Result: 

OK 

See step  2

1. Check the power window operation function after the engine switch is turned off. Refer to FAIL-SAFE CHART [09/2015 - ] .
   RESULT
   
   

   Result	Proceed to
   Driver side door or front passenger side door is opened within 45 sec. but power windows can still operate	A
   45 sec. pass and power windows can still operate	B

Result: 

B 

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) Removal [09/2015 - ]

Result: 

A 

See step  3

1. Use the Data List to check if the main body ECU is functioning properly. Refer to DATA LIST / ACTIVE TEST [09/2015 - ] .
   MAIN BODY
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   D Door Courtesy SW	Driver side door courtesy switch signal / ON or OFF	ON: Driver door open OFF: Driver door closed	-
   P Door Courtesy SW	Front passenger side door courtesy switch signal / ON or OFF	ON: Front passenger door open OFF: Front passenger door closed	-

   OK

   Techstream display changes according to above chart.

Result: 

OK 

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) Removal [09/2015 - ]

Result: 

NG 

See step  4

1. Open the driver side door and check that the map light illuminates. Refer to OPERATION CHECK [09/2015 - ] .

   OK

   Map light illuminates.

2. Open the front passenger side door and check that the map light illuminates. Refer to OPERATION CHECK [09/2015 - ] .

   OK

   Map light illuminates.

Result: 

OK 

REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) Removal [09/2015 - ]

Result: 

NG 

REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

Refer to REMOVAL [09/2015 - ] )