POWER BACK DOOR SYSTEM Power Back Door Sensor Circuit

DESCRIPTION

When the power back door unit (power back door ECU) receives a jam signal from the power back door sensor while the power back door closer is operating, the ECU reverses the back door operation and opens the door.

WIRING DIAGRAM

A01ERT0E01

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (POWER BACK DOOR SENSOR ASSEMBLY)


    1. Check the Data List for proper functioning of the power back door sensor.

      Back Door
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      PBD power back door sensor (Left) Power back door sensor LH signal/ON or OFF

      ON: Power back door sensor LH pressed

      OFF: Power back door sensor LH not pressed

      		 -
      PBD power back door sensor (Right) Power back door sensor RH signal/ON or OFF

      ON: Power back door sensor RH pressed

      OFF: Power back door sensor RH not pressed

      		 -
      OK
      The display is as specified in the normal condition.

    NG

    INSPECT POWER BACK DOOR SENSOR ASSEMBLY Click here

    OK

    REPLACE POWER BACK DOOR UNIT ASSEMBLY Click here

  2. INSPECT POWER BACK DOOR SENSOR ASSEMBLY


    1. A01ESKSE04

      for LH:


      1. Disconnect the S21 sensor connectors.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        1 - 2 Not pressed Approximately 1 kΩ
        1 - 2 Pressed Below 100 Ω
    2. A01ESKSE05

      for RH:


      1. Disconnect the S20 sensor connectors.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        1 - 2 Not pressed Approximately 1 kΩ
        1 - 2 Pressed Below 100 Ω
        Result
        Result Proceed to
        OK A
        NG (for LH) B
        NG (for RH) C

    B

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH Click here

    C

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH Click here

    A

  3. CHECK HARNESS AND CONNECTOR (SENSOR - UNIT AND BODY GROUND)


    1. A01EOX0E03

      for LH:


      1. Disconnect the S21 sensor connector.

      2. Disconnect the L36 ECU connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        S21-1 - L36-15 (OSL) Always Below 1 Ω
        S21-2 - L36-14 (OSE) Always Below 1 Ω
        S21-1 - Body ground Always 10 kΩ or higher
        S21-2 - Body ground Always 10 kΩ or higher
    2. A01EOX0E04

      for RH:


      1. Disconnect the S20 sensor connector.

      2. Disconnect the L36 ECU connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        S20-1 - L36-13 (OSR) Always Below 1 Ω
        S20-2 - L36-14 (OSE) Always Below 1 Ω
        S20-1 - Body ground Always 10 kΩ or higher
        S20-2 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER BACK DOOR UNIT ASSEMBLY Click here