Key-off Operation Function Operates even if Operating Conditions are not Satisfied [08/2015 - ]: Procedure
- CHECK LIN COMMUNICATION SYSTEM
- Check for LIN communication system DTCs related to the power window control system (Refer to DTC CHECK / CLEAR [08/2015 - ]
).
OK
LIN communication system DTCs are not output.
Result:
NG
GO TO LIN COMMUNICATION SYSTEM
(Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ] )
Result:
OK
See step 2
- Check for LIN communication system DTCs related to the power window control system (Refer to DTC CHECK / CLEAR [08/2015 - ]
).
- CHECK POWER WINDOW OPERATION FUNCTION AFTER ENGINE SWITCH OFF
- Check the power window operation function after the engine switch is turned off (Refer to FAIL-SAFE CHART [08/2015 - ]
).RESULT
Result Proceed to Driver side door or front passenger side door is opened within 43 seconds but power windows can still operate A 43 seconds pass and power windows can still operate B
Result:
B
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(Refer to REMOVAL [08/2015 - ] )
Result:
A
See step 3
- Check the power window operation function after the engine switch is turned off (Refer to FAIL-SAFE CHART [08/2015 - ]
).
- READ VALUE USING TECHSTREAM (MAIN BODY)
- Use the Data List to check if the main body ECU is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - ]
).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
The Techstream display changes according to above chart.
Result:
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(Refer to REMOVAL [08/2015 - ] )
Result:
NG
See step 4
- Use the Data List to check if the main body ECU is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - ]
).
- CHECK FRONT DOOR COURTESY LIGHT SWITCH
- Open the driver side door and check that the map light illuminates (Refer to OPERATION CHECK [08/2015 - ]
).
OK
Map light illuminates.
- Open the front passenger side door and check that the map light illuminates (Refer to OPERATION CHECK [08/2015 - ]
).
OK
Map light illuminates.
Result:
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(Refer to REMOVAL [08/2015 - ] )
Result:
NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY
(Refer to REMOVAL [08/2015 - ] )
- Open the driver side door and check that the map light illuminates (Refer to OPERATION CHECK [08/2015 - ]
).