Lexus NX: Precaution

PRECAUTION

PRECAUTIONS FOR HANDS FREE POWER BACK DOOR (w/ Hands Free Power Back Door)

(a) In the following situations, the hands free power back door may operate unintentionally if the electrical transmitter key sub-assembly is near or within the rear door exterior detection area:

HINT:

Refer to smart access system with push-button start (for Entry Function)

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  • When a large amount of water is applied to the kick door control sensor, such as when in heavy rain.
  • When water is applied to the kick door control sensor, such as when washing the vehicle.
  • When dirt, etc. is wiped off the rear bumper.
  • When a small animal suddenly enters the area below the rear bumper.
  • When trying to remove an object from below the rear bumper.
  • When removing snow, etc. from below the rear bumper (such as when using a snow shovel).
  • When a kick operation is performed using a metallic object.

(b) In the following situations, the hands free power back door may not operate normally:

  • When the rear bumper is strongly kicked.
  • When there are electrical waves present that interfere with communication between the electrical key transmitter sub-assembly (electrical key) and vehicle.
  • When a device which emits radio waves which are near the same frequency as the kick door control sensor is near the vehicle.
  • When a large amount of water is applied to the kick door control sensor, such as when in heavy rain.
  • When water is applied to the kick door control sensor, such as when washing the vehicle.
  • When mud, snow, ice, etc. is attached to the rear bumper.
  • When the vehicle has been parked for a while near objects that move and contact the rear bumper, such as tall grass or trees.
  • When parking in an area with an electric field, such as road heating.
  • When accessories, etc. are attached to the rear bumper.
  • When the remote engine starter is operating.

(c) In the following situations, the hands free power back door will not operate:

  • When not carrying the electrical key transmitter sub-assembly (electrical key).
  • When the customization setting is not set as follows:
    • The "Kick Sensor" item is set to "ON" using the customization function via the multi-information display in the combination meter assembly (The default setting is "ON").

      Click here

    • The "Power Operation Function" item is set to "ON" using the Techstream customization function (The default setting is "ON").

      Click here

    • The "Kick Sensor Operation Function" item is set to "ON" using the Techstream customization function. (The default setting is "ON")

      Click here

  • When the electrical key transmitter sub-assembly is outside of the power back door operation detection area.
  • When the smart entry function does not operate because of wave interference.

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 Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Hands Free Power Back Door - - *1 BACK DOOR OPENER SWITCH ASSEMBLY *2 BACK DOOR CONTROL SWITCH *3 POWER BACK DOOR SENSOR ASSEMBLY RH *4

 System Diagram

SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Main body ECU (multiplex network body ECU) Multiplex network door ECU Combination s

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SYSTEM DESCRIPTION POWER BACK DOOR SYSTEM DESCRIPTION (a) The power back door system controls the power back door by automatically opening and closing the power back door with a motor. (1) The power b

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