Back Door Entry Lock Function does not Operate: Procedure

1. When the door control switch on the multiplex network master switch assembly is operated, check that the doors unlock and lock according to the switch operation. Refer to OPERATION CHECK .

   OK

   Door locks operate normally.

NG → See step   6 

OK: Go to next step 

1. Using the Techstream, read the Data List. Refer to DATA LIST / ACTIVE TEST .
   SMART KEY
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Tr/B-Door Lock SW	Back door lock switch / ON or OFF	ON: Back door lock switch pushed OFF: Back door lock switch not pushed	-

   OK

   "ON" (lock switch is pushed) and "OFF" (lock switch is not pushed) appear on the screen.

NG → See step   3 

OK → See step   5 

1. Remove the back door control switch. Refer to DISASSEMBLY .
   Fig 1: Identifying Back Door Control Switch Wiring Diagram

   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 (SUP) - 2 (E3)	No switch pushed	10 kΩ or higher
   1 (SUP) - 2 (E3)	Lock switch pushed	Below 1 Ω

NG → See step   7 

OK: Go to next step 

1. Disconnect the W11 switch connector.
2. Disconnect the F79 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   W11-1 (SUP) - F79-23 (TSW6)	Always	Below 1 Ω
   W11-2 (E3) - Body ground	Always	Below 1 Ω
   W11-1 (SUP) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5