POWER BACK DOOR SYSTEM Jam Protection Function Activates During Power Back Door Operation

DESCRIPTION

If the jam protection function activates during back door operation, one of the following may be the cause: 1) improper fit of the back door or a foreign object stuck in the back door, 2) malfunction in the power back door sensor assembly circuit or 3) multiplex network door ECU malfunction.

WIRING DIAGRAM

A018LNKE31
*a Power Back Door Sensor Assembly LH
*b Power Back Door Sensor Assembly RH
*c Multiplex Network Door ECU

PROCEDURE


  1. CHECK POWER BACK DOOR SYSTEM


    1. Check if there are any foreign objects interfering with back door operation.

      Result
      Result Proceed to
      There are no foreign objects A
      There are foreign objects B

    B

    REMOVE FOREIGN OBJECT

    A

  2. CHECK BACK DOOR OPERATION


    1. Check back door operation.


      1. Turn the door control switch on.

      2. Open/close the back door by hand.

      Result
      Result Proceed to
      The back door fully opens and closes smoothly A
      The back door does not fully open or close smoothly B

    B

    ADJUST BACK DOOR

    A

  3. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Back Door / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Back Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      PBD Touch Sensor (Right) Power back door sensor assembly RH signal ON, OFF or Open

      ON: Power back door sensor assembly RH pressed

      OFF: Power back door sensor assembly RH not pressed

      Open: Power back door sensor assembly RH circuit open

      		 -
      PBD Touch Sensor (Left) Power back door sensor assembly LH signal ON, OFF or Open

      ON: Power back door sensor assembly LH pressed

      OFF: Power back door sensor assembly LH not pressed

      Open: Power back door sensor assembly LH circuit open

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      PBD Touch Sensor (Right)
      PBD Touch Sensor (Left)
      Result
      Result Proceed to
      On the GTS screen, ON or OFF is displayed accordingly A
      On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for the power back door sensor assembly RH B
      On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for the power back door sensor assembly LH C

    A

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    C

    INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH Click here

    B

  4. INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH


    1. Remove the power back door sensor assembly RH.

      Click here

    2. Inspect the power back door sensor assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)


    1. Disconnect the X24 power back door sensor assembly RH connector.

    2. Disconnect the X6 multiplex network door ECU connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      X24-1 (OSR) - X6-16 (OSR) Always Below 1 Ω
      X24-2 (OSRE) - X6-17 (OSE) Always Below 1 Ω
      X24-1 (OSR) or X6-16 (OSR) - Body ground Always 10 kΩ or higher
      X24-2 (OSRE) or X6-17 (OSE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH


    1. Remove the power back door sensor assembly LH.

      Click here

    2. Inspect the power back door sensor assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)


    1. Disconnect the X2 power back door sensor assembly LH connector.

    2. Disconnect the X6 multiplex network door ECU connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      X2-1 (OSL) - X6-18 (OSL) Always Below 1 Ω
      X2-2 (OSLE) - X6-17 (OSE) Always Below 1 Ω
      X2-1 (OSL) or X6-18 (OSL) - Body ground Always 10 kΩ or higher
      X2-2 (OSLE) or X6-17 (OSE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR