Back Door Entry Lock and Unlock Functions do not Operate [11/2014 - ]: 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 [11/2014 - ] .

   OK

   Door locks 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 opener switch (lock switch) / ON or OFF	ON: Back door opener switch (lock switch) pushed OFF: Back door opener switch assembly (lock switch) not pushed	Displays whether the back door opener switch (lock switch) is on or off. Use this Data List item to help determine if there is a switch malfunction when the back door lock function does not operate.
   Tr/B-Door Unlock SW	Back door opener switch (opener switch) / ON or OFF	ON: Back door opener switch (opener switch) pushed OFF: Back door opener switch assembly (opener switch) not pushed	Displays whether the back door opener switch (unlock switch) is on or off. Use this Data List item to help determine if there is a switch malfunction when the back door unlock function does not operate.

   OK

   On the Techstream screen, the display changes between ON and OFF as shown in the chart above.

NG → See step   7 

OK: Go to next step 

1. Bring the electrical key transmitter sub-assembly approximately 0.3 m (0.98 ft.) from the electrical key antenna (outside luggage) and perform an entry back door unlock function check. Refer to OPERATION CHECK [11/2014 - ] .

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a	Approximately 0.3 m (0.98 ft.)

   NOTE:

   If the electrical key transmitter sub-assembly is brought within 0.2 m (0.66 ft.) of the rear bumper, communication may not possible.

   HINT: 

   If the inspection result is that the problem only occurs in certain locations or at certain times of day, the possibility of electric wave interference is high. Also, added vehicle components may cause electric wave interference. If installed, remove them and perform the operation check.

   OK

   Entry function operates normally.

NG → See step   4 

OK → AFFECTED BY WAVE INTERFERENCE 

1. Check the following antenna in the key diagnostic mode. Refer to SYSTEM DESCRIPTION [11/2014 - ] .
   1. Check the electrical key antenna (outside luggage).

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      TEXT IN ILLUSTRATION
      
      

      *a	0.7 to 1 m (2.30 to 3.28 ft.)

      When the electrical key transmitter sub-assembly is brought within 0.7 to 1 m (2.30 to 3.28 ft.) of the electrical key antenna (outside luggage), check that the wireless door lock buzzer sounds.

      OK

      Wireless door lock buzzer sounds.

NG → See step   5 

OK → See step   10 

1. Disconnect the S21 electrical key antenna (outside luggage) connector.
2. Disconnect the L63 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
   S21-1 (ANTE8) - L63-19 (CLG8)	Always	Below 1 Ω
   S21-2 (CLGB) - L63-20 (CG8B)	Always	Below 1 Ω
   S21-1 (ANTE8) or L63-19 (CLG8) - Body ground	Always	10 kΩ or higher
   S21-2 (CLGB) or L63-20 (CG8B) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Remove the electrical key antenna (outside luggage). Refer to REMOVAL [11/2014 - ] .

   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
   1 (ANTE8) - 2 (CLGB)	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Electrical Key Antenna (Outside Luggage))

NG → See step   9 

OK → See step   10 

1. Disconnect the back door opener switch assembly connector.

   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
   V4-2 (E) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Back Door Opener Switch Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   11