2025-10-17

Diagnosis: Falcon Door Ultrasonic (Diagnosis Only)

Code de correction 11330401832 FRT: 0.60 REMARQUE : À moins d’indications explicites contraires dans la procédure, le code de correction et le temps forfaitaire ci-dessus représentent tout le travail à être fait pour cette procédure, notamment les procédures connexes. N’appliquez pas plusieurs codes de correction à la fois, à moins qu’il vous soit explicitement indiqué de le faire. REMARQUE : Consultez Temps forfaitaires pour en apprendre plus à propos des temps forfaitaires et de leur création. Vous pouvez transmettre par courriel vos commentaires relatifs aux valeurs des temps forfaitaires à ServiceManualFeedback@tesla.com. REMARQUE : Consultez Protection individuelle pour vous assurer de porter l’équipement de protection individuelle adéquat lorsque vous effectuez la procédure ci-dessous. REMARQUE : Voir Précautions ergonomiques pour consulter les pratiques de travail sécuritaires et saines.

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Avertissement
Cette procédure est une PREMIÈRE VERSION. Bien qu'elle ait été validée, des avertissements et des mises en garde pourraient manquer. Respectez les exigences de sécurité et faites preuve d’une extrême prudence lorsque vous travaillez sur ou près des systèmes et des composants haute tension.
  • 2025-10-06: Released new procedure.

Disassembly

  1. Inspect the rear door exterior paint surface for damage, defects, signs of body repairs, paint modifications, or third-party vinyl wrap installation.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If the paint surface has been modified, recommend to revert the modification back to the original. Otherwise, proceed to the next step.
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    Remarque
    Tesla does not support third party paint modifications.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If a wrap is installed and both doors are falsely reporting objects, stop the diagnosis and recommend wrap removal before proceeding.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If a wrap is installed and only one door is falsely reporting objects, proceed with diagnosis.
  2. Open the LH front door.
  3. Lower the LH front window.
  4. Lower the LH rear window.
  5. Open the LH falcon door.
  6. Remove the LH rear door trim panel. See Panneau - garniture de portière - arrière - gauche (retirez et remplacez).
  7. Déconnectez l’alimentation basse tension. Voir Alimentation 12 BT (déconnecter et connecter).
  8. Remove the LH rear door closeout panel. See Panneau de fermeture - porte - arrière - gauche (retirez et remplacez).

Diagnosis

  1. Pull on each leg of the ultrasonic carrier adhesive to check for loose carrier feet.
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    Remarque
    If the feet are loose, replace the sensor carrier and ultrasonic sensor. Otherwise, continue to the next step.
  2. Verify that none of the carrier feet are contacting the butyl patch.
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    Remarque
    If any of the carrier feet are contacting the butyl patch, replace the sensor carrier and ultrasonic sensor. Otherwise, continue to the next step.
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    Remarque
    The carrier feet should be centered in the round butyl patch openings.
  3. Verify that the sensor carrier foam disc is present.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If the foam disc is missing, replace the sensor carrier and ultrasonic sensor. Otherwise, continue to the next step.
  4. Inspect for bubbles in the butyl patch surface.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If bubbles are present, smooth out any bubbles with a roller. Otherwise, continue to the next step.
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    Remarque
    Replace the butyl patch if it is damaged or not sticking to the door surface.
  5. Remove the LH ultrasonic sensor cap, spring, and spacer. Inspect for a missing cap, spring, spacer, or sensor.
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    Remarque
    If one or more components are missing, replace the component(s). Otherwise, continue to the next step.
  6. Inspect the LH Ultrasonic Sensor harness connector pigtail for a missing or unclipped harness clip.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If the harness clip is missing or unclipped, replace or correct the harness clip and replace the ultrasonic sensor. Otherwise, continue to the next step.
  7. Inspect the LH Ultrasonic sensor alignment to carrier. Verify that the sensor contacts the sensor carrier and is not crooked.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If the sensor is misaligned, replace the ultrasonic sensor. Otherwise, continue to the next step.
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    Remarque
    The ultrasonic sensor must be centered in the sensor carrier opening.
  8. Lightly press on the back of the LH Ultrasonic sensor. Verify that the sensor does not move in farther towards the inner door surfaces.
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    Remarque
    If the sensor moves, replace the sensor and check spring installation. Otherwise, continue to the next step.
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    Remarque
    The tapered end of spring must be pointed away from sensor when installed.
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    Remarque
    Spring tension may need to be increased by manually extending the spring.
  9. Perform a wiggle test on the LH ultrasonic sensor. Verify that the sensor does not rock back and forth or twist side-to-side.
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    Remarque
    If the sensor moves, replace the sensor. Otherwise, continue to the next step.
  10. Disconnect the LH ultrasonic sensor harness connector.
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    Remarque
    1x connector, 1x clip
  11. Pull the ultrasonic sensor away from the door surface to release the adhesive connection to the door and remove the sensor.
  12. Inspect the ultrasonic sensor adhesive pad for discolored adhesive that remained on the sensor.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If discolored adhesive is present, replace the sensor. Otherwise, continue to the next step.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If the adhesive pad remains on the door surface, remove the adhesive from the door and proceed to the next step.
  13. Inspect the sensor mounting surface on the inner door panel for a contaminated sensor mounting surface, e-coat and paint drips, a damaged mounting surface, or a mounting surface that is rough to the touch.
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    Remarque
    If any of the defect conditions are found, repair the condition. Otherwise, continue to the next step.
  14. Disconnect the ultrasonic ECU logic connector.
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    Remarque
    1x connector. Release the black locking tab.
  15. Measure the resistance of the ultrasonic ECU ground circuit.
    1. Set the multimeter to measure resistance.
    2. Connect a 0.64 mm x 0.64 mm male test pin to the positive lead.
    3. Connect a ground clamp to the negative lead.
    4. Clamp the negative lead to the LH upper door harness ground terminal.
    5. Insert the positive test pin into cavity 13 of the ultrasonic ECU logic connector.
    6. Check for resistance above 0.5 Ω.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If resistance above 0.5 Ω is measured, repair or replace LH upper and LH lower door harnesses as needed. Otherwise, proceed to the next step.
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    Remarque
    Do not disconnect the multimeter.
  16. Wiggle test the LH upper door harness and LH lower door harness in the sections between the ultrasonic ECU logic connector and the LH upper door harness ground terminal. Verify that the multimeter does not intermittently measure above 0.5 Ω.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If the multimeter measures above 0.5 Ω, repair or replace the LH upper door harness and LH lower door harness as needed. Otherwise, proceed to the next step.
  17. Disconnect the multimeter leads from the harness terminal and ECU logic connector.

Reassembly

  1. Install the ultrasonic sensor. See Capteur – ultrasonique – porte arrière – gauche (retrait et remplacement).
  2. Branchez l'alimentation BT. Voir Alimentation 12 BT (déconnecter et connecter).
  3. On the center display, select Service, then hold Calibrate Doors until the doors cycle and "Calibration Complete" appears.
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    Remarque
    Calibration is always after LV power is disconnected.
  4. Raise all windows.
  5. Close the front doors.
  6. Test the object detection function of the falcon doors while the vehicle is located in an open area.
    Informational PurposesAn informational icon, calling your attention
    Remarque
    If false object detection still occurs and all inspections and tests have passed, escalate the Toolbox session for support.