Key-off Operation Function Operates even if Operating Conditions are not Satisfied [09/2014 - ]: Procedure
- CHECK LIN COMMUNICATION SYSTEM
- Check for LIN communication system DTCs related to the power window control system (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ]
).
OK
LIN communication system DTCs are not output.
Result: NG
NG
GO TO LIN COMMUNICATION SYSTEM
(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ] )
Result: OK
OK
See step 2
- Check for LIN communication system DTCs related to the power window control system (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ]
).
- CHECK POWER WINDOW OPERATION FUNCTION AFTER POWER SWITCH TURNED OFF
- Check the power window operation function after the power switch is turned off (Refer to OPERATION CHECK [09/2014 - 10/2015]
or OPERATION CHECK [10/2015 - ]
).RESULT
Result Proceed to Front 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
B
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(Refer to REMOVAL [09/2014 - ] )
Result: A
A
See step 3
- Check the power window operation function after the power switch is turned off (Refer to OPERATION CHECK [09/2014 - 10/2015]
or OPERATION CHECK [10/2015 - ]
).
- READ VALUE USING TECHSTREAM (DOOR COURTESY)
- Use the Data List to check if the main body ECU (multiplex network body ECU) is functioning properly (Refer to DATA LIST / ACTIVE TEST [09/2014 - 10/2015]
or DATA LIST / ACTIVE TEST [10/2015 - ]
).MAIN BODY
Tester Display Measurement Item/Range Normal Condition Diagnostic Note FL Door Courtesy Front door courtesy light switch LH signal / ON or OFF ON: Front door LH closed
OFF: Front door LH open- FR Door Courtesy Front door courtesy light switch RH signal / ON or OFF ON: Front door RH closed
OFF: Front door RH open- OK
On Techstream screen, each item changes between ON and OFF according to above chart.
Result: OK
OK
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(Refer to REMOVAL [09/2014 - ] )
Result: NG
NG
See step 4
- Use the Data List to check if the main body ECU (multiplex network body ECU) is functioning properly (Refer to DATA LIST / ACTIVE TEST [09/2014 - 10/2015]
or DATA LIST / ACTIVE TEST [10/2015 - ]
).
- CHECK FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY
- Open a front door and check that the map light illuminates (Refer to REMOVAL [09/2014 - ]
).
OK
Map light illuminates.
Result: NG
NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY
(Refer to REMOVAL [09/2014 - ] )
Result: OK
OK
See step 5
- Open a front door and check that the map light illuminates (Refer to REMOVAL [09/2014 - ]
).
- CHECK COWL SIDE JUNCTION BLOCK LH
- Temporarily replace the cowl side junction block LH with a new or normally functioning one (Refer to REMOVAL [09/2014 - ] ).
- Check that the key-off operation function operates normally.
OK
Key-off operation function operates normally.
Result: OK
OK
END (COWL SIDE JUNCTION BLOCK LH WAS DEFECTIVE)
Result: NG
NG
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(Refer to REMOVAL [09/2014 - ] )