POWER BACK DOOR DRIVE UNIT > INSPECTION

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1. INSPECT POWER BACK DOOR DRIVE UNIT


    B070639E01
  1. Connect the battery positive (+) lead to terminal 3 and battery negative (-) terminal lead to terminal 9.

  1. Apply battery voltage to the terminals and check the motor operation.

    OK:
    Measurement Condition
    Specified Condition
    Battery positive (+) →Terminal 7
    Battery negative (-) → Terminal 8
    Open
    Battery positive (+) →Terminal 8
    Battery negative (-) → Terminal 7
    Close

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

    Standard resistance:
    Tester Connection
    Specified Condition
    3 - 9
    4.0 Ω

  1. Reinstall the unit with the connector connected.



    B068909E01
  1. Reference:
    Check the pulse of the pulse sensor.

    1. Using an oscilloscope, check the pulse generated when the door is manually opened and closed.

      OK:
      Terminal
      1 - 6, 5 - 6
      Tool setting
      10 V/DIV., 10 ms/DIV.
      Vehicle condition
      Door moving

      HINT:
      A cycle of the pulse changes between approx. 10 and 20 msec. according to the speeds that the back door is moving.