Key-off Operation Function Operates even if Operating Conditions are not Satisfied: Procedure

1. Check the power window operation function after the ignition switch is turned off.
   RESULT
   
   

   Status	Proceed to
   When power window can still be operated even after opening driver door or front passenger door within approximately 45 seconds of ignition switch being turned off	A
   When power window can still be operated even after approximately 45 seconds have elapsed after ignition switch is turned off	B

B → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menu items: Body Electrical/Main Body/Data List.
5. Read the Data List according to the display on the Techstream.
   MAIN BODY (MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK))
   
   

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

   OK

   On the Techstream screen, the item changes between ON and OFF according to the chart above.

NG → See step   3 

OK → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) 

1. Remove the front door courtesy light switch (driver side). Refer to REMOVAL .
   Fig 1: Inspecting Front Door Courtesy Light Switch Assembly (Driver Side)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   1 - Switch body	Pushed	10 kΩ or higher
   1 - Switch body	Free	Below 1 Ω

NG → See step   5 

OK: Go to next step 

1. Disconnect the instrument panel junction block connector.
   Fig 2: Identifying L1 Front Door Courtesy Light Switch And 2A Instrument Panel Junction Block Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L1-1 - 2A-21 (DCTY)	Always	Below 1 Ω
   L1-1 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)