Back Door Entry Lock Function does not Operate [09/2013 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG) and turn the Techstream on.
3. By following the Techstream screen display, check whether any DTCs are output.

   OK

   DTC is not output.

NG → Go to CORRESPONDING SYSTEM 

OK: Go to next step 

1. Check that the power door lock functions operate normally. Refer to OPERATION CHECK [09/2013 - ] .

   OK

   All doors can be lock and unlocked with door control switch.

NG → See step   7 

OK: Go to next step 

1. Check that the wireless door lock functions operate normally. Refer to OPERATION CHECK [09/2013 - ] .

   OK

   Wireless door lock functions operate normally.

NG → See step   8 

OK: Go to next step 

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 / Smart Key / Data List.
5. Read the Data List according to the display on the Techstream.
   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 is pushed OFF: Back door lock switch is not pushed	-

   OK

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

NG → See step   6 

OK: Go to next step 

1. Temporarily replace the certification ECU (ECU aggregation box assembly) with a new or normally functioning one. Refer to REMOVAL [09/2013 - ] .
2. Check that the entry lock and unlock functions operate normally. Refer to OPERATION CHECK [09/2013 - ] .

   OK

   Entry lock and unlock functions operate normally.

NG → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 

OK → END (CERTIFICATION ECU [ECU AGGREGATION BOX ASSEMBLY] WAS DEFECTIVE) 

1. Remove the back door outside handle. Refer to REMOVAL [09/2013 - ] .

   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 (TRG-) - 3 (TRG+)	Switch released	10 kΩ or higher
   	Switch pressed in	Below 1 Ω

NG → See step   9 

OK → REPAIR OR REPLACE HARNESS OR CONNECTOR