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

DESCRIPTION

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

WIRING DIAGRAM

A01QOE8E29
*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
      Proceed to
      There are no foreign objects
      There are foreign objects

    There are foreign objects

    REMOVE FOREIGN OBJECT

    There are no foreign objects

  2. CHECK BACK DOOR OPERATION


    1. Check back door operation.


      1. Turn the power back door main switch so that it is not pushed.

      2. Open/close the back door by hand.

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

    The back door does not fully open and close smoothly

    ADJUST BACK DOOR

    The back door fully opens and closes smoothly

  3. READ VALUE USING GTS


    1. Check the Data List to determine if the power back door sensor assembly functions properly.

      Click here


      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 power back door sensor assembly RH B
      On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for 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 U10 power back door sensor assembly RH connector.

    2. Disconnect the U18 multiplex network door ECU connector.

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

      Standard Resis.tance
      Tester Connection Condition Specified Condition
      U10-1 (OSR) - U18-16 (OSR) Always Below 1 Ω
      U10-2 (OSRE) - U18-17 (OSE) Always Below 1 Ω
      U10-1 (OSR) or U18-16 (OSR) - Body ground Always 10 kΩ or higher
      U10-2 (OSRE) or U18-17 (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 U11 power back door sensor assembly LH connector.

    2. Disconnect the U18 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
      U11-1 (OSL) - U18-18 (OSL) Always Below 1 Ω
      U11-2 (OSLE) - U18-17 (OSE) Always Below 1 Ω
      U11-1 (OSL) or U18-18 (OSL) - Body ground Always 10 kΩ or higher
      U11-2 (OSLE) or U18-17 (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