Key-off Operation Function Operates even if Operating Conditions are not Satisfied: 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 [12/2011 - ]
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OK
LIN communication system DTCs are not output.
NG → See step 8
OK: Go to next step
- Check for LIN communication system DTCs related to the power window control system. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2011 - ]
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- CHECK POWER WINDOW OPERATION FUNCTION AFTER ENGINE SWITCH TURNED OFF
- Check the power window operation function after the engine switch is turned off. Refer to OPERATION CHECK [12/2011 - ]
.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
B → See step 7
A: Go to next step
- Check the power window operation function after the engine switch is turned off. Refer to OPERATION CHECK [12/2011 - ]
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- 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 [12/2011 - ]
.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.
NG → See step 4
OK → See step 7
- Use the Data List to check if the main body ECU (multiplex network body ECU) is functioning properly. Refer to DATA LIST / ACTIVE TEST [12/2011 - ]
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- CHECK FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY
- Open a front door and check that the map light illuminates. Refer to REMOVAL [12/2011 - ]
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OK
Map light illuminates.
NG → See step 6
OK: Go to next step
- Open a front door and check that the map light illuminates. Refer to REMOVAL [12/2011 - ]
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- CHECK COWL SIDE JUNCTION BLOCK LH
- Temporarily replace the cowl side junction block LH with a new or normally functioning one. Refer to REMOVAL [12/2011 - ] .
- Check that the key-off operation function operates normally.
OK
Key-off operation function operates normally.
NG → See step 7
OK → END (COWL SIDE JUNCTION BLOCK LH WAS DEFECTIVE)
- REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY. Refer to REMOVAL [12/2011 - ]
- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL [12/2011 - ]
- GO TO LIN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2011 - ]