Back Door Entry Unlock Function does not Operate [12/2013 - ]: Procedure

1. When the door control switch on the power window regulator master switch assembly on the driver door is operated, check that the doors unlock and lock according to the switch operation.

   Refer to OPERATION CHECK [12/2013 - ] .

   OK

   Door locks operate normally.

   Proceed to
   OK
   NG

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM. 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - ] .

Result: 

OK 

Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine 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.

   Body Electrical > Smart Key > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   B-Dr Opening Operation	Back door opening operation	Long, Twice or OFF	Customize setting displayed	-

   Body Electrical > Smart Key > Data List 

   Tester Display
   B-Dr Opening Operation

   Result	Proceed to
   Customize setting is Long or Twice	A
   Customize setting is OFF	B

Result: 

B 

PERFORM CUSTOMIZE SETTING (Proceed to Customize Parameters). 

Refer to CUSTOMIZE PARAMETERS [12/2013 - ] .

Result: 

A 

Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine 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.

   Body Electrical > Smart Key > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Tr/B-Door Unlock SW	Back door opener switch assembly (open switch)	ON or OFF	ON: Back door opener switch assembly (open switch) pressed OFF: Back door opener switch assembly (open switch) not pressed	Displays whether the back door opener switch assembly (open switch) is on or off. Use this Data List item to help determine if there is a switch malfunction when the back door open function does not operate.

   Body Electrical > Smart Key > Data List 

   Tester Display
   Tr/B-Door Unlock SW

   OK

   The Techstream display changes correctly in response to the operation of the back door opener switch assembly.

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). 

Refer to REMOVAL [12/2013 - ] .

Result: 

NG 

Go to next step 

1. Disconnect the q1 back door opener switch assembly connector.
2. Disconnect the F12 certification ECU (smart key ECU assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   q1-3 (BDSU) - F12-5 (TSW5)	Always	Below 1 Ω
   q1-3 (BDSU) or F12-5 (TSW5) - Body ground	Always	10 kΩ or higher

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

Go to next step 

1. Remove the back door opener switch assembly.

   Refer to REMOVAL [12/2013 - ] .

2. Inspect the back door opener switch assembly.

   Refer to INSPECTION [12/2013 - ] .

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). 

Refer to REMOVAL [12/2013 - ] .

Result: 

NG 

REPLACE BACK DOOR OPENER SWITCH ASSEMBLY. 

Refer to REMOVAL [12/2013 - ] .