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 touch sensor circuit or 3) malfunctioning power back door ECU (power back door motor unit).

WIRING DIAGRAM

A01NHLSE14

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK BACK DOOR LOCK FUNCTION


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

      OK
      There are no foreign objects.

    NG

    REMOVE FOREIGN OBJECT

    OK

  2. CHECK BACK DOOR OPERATION


    1. Check back door operation.


      1. Turn the power back door main switch off.

      2. Open/close the back door by hand.

        OK
        The back door fully opens and closes smoothly.

    NG

    ADJUST BACK DOOR Click here

    OK

  3. READ VALUE USING INTELLIGENT TESTER (POWER BACK DOOR TOUCH SENSOR)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

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

    5. Check the Data List to determine if the power back door touch sensor functions properly.

      Back Door (Power Back Door ECU (Power Back Door Motor Unit))
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      PBD Touch Sensor (Left) Power back door touch sensor LH signal/ON, OFF or Open

      ON: Power back door touch sensor LH pressed

      OFF: Power back door touch sensor LH not pressed

      Open: Power back door touch sensor LH circuit open

      		 -
      PBD Touch Sensor (Right) Power back door touch sensor RH signal/ON, OFF or Open

      ON: Power back door touch sensor RH pressed

      OFF: Power back door touch sensor RH not pressed

      Open: Power back door touch sensor RH circuit open

      		 -
      Result
      Result Proceed to
      On the intelligent tester screen, ON or OFF is displayed accordingly. A
      On the intelligent tester screen, ON or OFF is not displayed accordingly or Open is displayed. B

    B

    GO TO OTHER FLOW CHART (TOUCH SENSOR CIRCUIT) Click here

    A

    REPLACE POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) Click here