Key-off Operation Function Operates even if Operating Conditions are not Satisfied: Procedure
- CHECK POWER WINDOW OPERATION FUNCTION AFTER IGNITION SWITCH OFF
- Check the power window operation function after the ignition switch is turned OFF.RESULT:
Result Proceed to Front side door is opened within 43 +/-1.5 seconds but power window can still operate A 43 +/-1.5 seconds pass and power windows can still operate B
B → REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
A: Go to next step
- Check the power window operation function after the ignition switch is turned OFF.
- READ VALUE USING TECHSTREAM (DOOR COURTESY SWITCH)
- Use the Data List to check if the main body ECU is functioning properly.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
Tester display changes normally when door courtesy switch is operated.
OK → REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
NG → Go to next step
- Use the Data List to check if the main body ECU is functioning properly.
- GO TO LIGHTING SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING