Theft Deterrent System Unexpectedly Sets Itself [06/2015 - ]: Procedure

1. Check that the auto lock function of the wireless door lock system can be canceled.
   1. Unlock the doors using key link operation, wireless operation or entry operation.
   2. Within 30 seconds, open and close one of the doors.

   Result

   Result	Proceed to
   Door locks are locked	A
   Door locks are not locked	B

Result: 

B 

END (SYSTEM NORMAL) 

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   RR Door Courtesy SW	Rear door courtesy light switch assembly RH signal	ON or OFF	ON: Rear door RH open OFF: Rear door RH closed	-
   RL Door Courtesy SW	Rear door courtesy light switch assembly LH signal	ON or OFF	ON: Rear door LH open OFF: Rear door LH closed	-
   FR Door Courtesy SW	Front door courtesy light switch assembly RH signal	ON or OFF	OFF: Front door RH closed ON: Front door RH open	-
   FL Door Courtesy SW	Front door courtesy light switch assembly LH signal	ON or OFF	OFF: Front door LH closed ON: Front door LH open	-

   Body Electrical > Main Body > Data List 

   Tester Display
   RR Door Courtesy SW
   RL Door Courtesy SW
   FR Door Courtesy SW
   FL Door Courtesy SW

   OK

   Normal conditions listed above are displayed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [06/2015 - 11/2018]  , or refer to  REMOVAL [11/2018 - ] 

Result: 

NG 

GO TO LIGHTING SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2015 - ]