POWER BACK DOOR SYSTEM Touch Sensor Circuit

DESCRIPTION

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

WIRING DIAGRAM

A017B3QE06

INSPECTION PROCEDURE

PROCEDURE


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


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

      Back door (Power back door ECU)
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      PBD Touch Sen L Power back door touch sensor LH signal / ON or OFF

      ON: Power back door touch sensor is LH pressed

      OFF: Power back door touch sensor is LH not pressed

      		 -
      PBD Touch Sen R Power back door touch sensor RH signal / ON or OFF

      ON: Power back door touch sensor RH is pressed

      OFF: Power back door touch sensor RH is not pressed

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

    NG

    INSPECT POWER BACK DOOR TOUCH SENSOR Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. INSPECT POWER BACK DOOR TOUCH SENSOR


    1. A017FRVE01

      Remove the power back door touch sensor. Click here

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

      Standard resistance
      Tester Connection Condition Specified Condition
      1 - 2 Not pressed Approx. 1 kΩ
      1 - 2 Pressed Below 100 Ω

    NG

    REPLACE POWER BACK DOOR TOUCH SENSOR Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR TOUCH SENSOR - POWER BACK DOOR DRIVE UNIT AND BODY GROUND)


    1. A017GAZE06

      LH Side


      1. Disconnect the T7 sensor connectors.

      2. Disconnect the O14 ECU connector.

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

        Standard resistance
        Tester Connection Condition Specified Condition
        T7-1 (OSL) - O14-15 (OSL) Always Below 1 Ω
        T7-2 (OSLE) - O14-14 (OSE) Always Below 1 Ω
        T7-1 (OSL) - Body ground Always 10 kΩ or higher
        T7-2 (OSLE) - Body ground Always Below 1 Ω
    2. A017GAZE07

      RH Side


      1. Disconnect the T8 sensor connectors.

      2. Disconnect the O14 ECU connector.

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

        Standard resistance
        Tester Connection Condition Specified Condition
        T8-1 (OSR) - O14-13 (OSR) Always Below 1 Ω
        T8-2 (OSRE) - O14-14 (OSE) Always Below 1 Ω
        T8-1 (OSR) - Body ground Always 10 kΩ or higher
        T8-2 (OSRE) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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