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Back Door Entry Lock Function does not Operate [02/2014 - 11/2016]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK POWER DOOR LOCK CONTROL SYSTEM 
    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 [02/2014 - ]

      OK

      Door locks operate normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2014 - ] 

    Result: 

    OK 

    See step  2

  2. READ VALUE USING TECHSTREAM (TR/B-DOOR LOCK SW) 
    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.

      Body Electrical > Smart Key > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Tr/B-Door Lock SW Back door opener switch assembly (lock switch) ON or OFF ON: Back door opener switch assembly (lock switch) pressed
      OFF: Back door opener switch assembly (lock switch) not pressed
      • Displays whether the back door opener switch assembly (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.

      Body Electrical > Smart Key > Data List 

      Tester Display
      Tr/B-Door Lock SW

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [02/2014 - 11/2016] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (BACK DOOR OPENER SWITCH ASSEMBLY - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) 
    1. Disconnect the q1 back door opener switch assembly connector.
    2. Disconnect the F11 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
      q1-1 (TSW5) - F11-6 (TSW6) Always Below 1 Ω
      q1-2 (GND) - Body ground Always Below 1 Ω
      q1-1 (TSW5) or F11-6 (TSW6) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. INSPECT BACK DOOR OPENER SWITCH ASSEMBLY (LOCK SWITCH) 
    1. Remove the back door opener switch assembly.

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the back door opener switch assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [02/2014 - 11/2016] 

    Result: 

    NG 

    REPLACE BACK DOOR OPENER SWITCH ASSEMBLY. Refer to  REMOVAL [02/2014 - ]