2025-01-19

Car Computer (Remove and Replace)

교정 코드 21153202 (HW3) 21153302 (HW4) FRT 0.78 0.66 참고: 절차에서 명시적으로 언급하지 않는 한 위 교정 코드 및 FRT는 연결된 절차를 포함하여 이 절차를 수행하는 데 필요한 모든 작업을 반영합니다. 명시적으로 지시하지 않는 한 교정 코드를 누적하지 마십시오. 참고: FRT와 그 생성 방법에 대한 자세한 내용은 표준 정비 작업시간을 참조하십시오. FRT 값에 대한 피드백을 제공하려면 LaborTimeFeedback@tesla.com으로 이메일을 보내십시오. 참고: 아래 절차를 수행할 때 개인 보호을(를) 참조하여 적절한 PPE를 착용했는지 확인하십시오.

  • 2024-12-17: Added instructions on Ethernet Diagnostics retrofit for Model S with HW3 car computer
  • 2024-10-17: Added instruction for car computer disposal.
  • 2024-09-06: Added owner authorization request and LV maintainer steps.

Replace Car Computer

  1. Connect a laptop with Toolbox 3 to the vehicle. See Toolbox 3(연결 및 연결 해제).
  2. For Third Party repairs only: Perform the Toolbox Owner Authorization Request.
    Informational PurposesAn informational icon, calling your attention
    참고
    If the repair was booked through Tesla Service, the customer has already given authorization. Go to the next step.
    1. Log in to https://toolbox.tesla.com/help/owner_authorization.
    2. On the left panel, click Owner Authorization Request, and then click Request Owner Authorization in the main panel.
    3. Complete and submit the form.
    4. Ask the vehicle owner to approve the authorization request that was sent to their email.
  3. Click on Dashboards > Car Computer Replacement and on the "Getting Started" page, click on Next Step.
  4. On the "Backup & Factory Reset" page, click Next Step and follow the prompts to perform a profile backup and factory reset on the car computer.
    Informational PurposesAn informational icon, calling your attention
    참고
    The car computer will reboot several times during this step.
  5. Once the "Replace" page appears, the car computer can be replaced. Use the instructions in the appropriate "Remove and Install" procedure to replace the car computer:
    Select the appropriate Car Computer (Remove and Install) procedure:
  6. Perform the following tasks that are described in the (Remove and Install) procedure:
    1. Remove the current car computer.
    2. Install the replacement car computer to the vehicle and connect all harnesses and hoses to the computer.
    3. For Model S with HW3 car computer: determine whether an to Ethernet Diagnostics Retrofit is required:
      • If the car computer part number is 1637790-00-F or newer - An Ethernet Diagnostics Retrofit is not required. Go to the next step.
      • If the car computer part number is 1637790-00-F - An Ethernet Diagnostics Retrofit is required. Go to Ethernet Diagnostics Retrofit (HW3 Model S only).
    4. Prepare the vehicle for a Coolant Air Purge.
    5. Reconnect LV power. See LV 전원(연결 해제 및 연결).
    6. Connect an LV maintainer to the vehicle, but do not disconnect the LV battery. See LV 유지 장치(연결 및 연결 해제).
      Informational PurposesAn informational icon, calling your attention
      참고
      HV 컨택터 닫힘을 방해하는 부품 교체 후 소프트웨어 재배포/OTA 중에 LV 유지 장치와 LV 배터리를 모두 연결하는 것이 허용됩니다. 자세한 내용은 Toolbox 문서 5795500을 참조하십시오.
    7. Unlock the vehicle gateway.

  7. Re-establish the Toolbox laptop connection, and in the "Replace" page, click Next Step to go to the "Associate" page.
  8. Follow the prompts to transfer configurations and associate the replacement car computer. The car computer will reboot several times.
  9. When association is complete and the VIN is confirmed online, click Next Step to go to the "Update" page.
    Informational PurposesAn informational icon, calling your attention
    참고
    If necessary, Reconnect the Toolbox connection.
  10. Click Start Part Replacement OTA to deploy a software update to the vehicle.
    Informational PurposesAn informational icon, calling your attention
    참고
    If necessary, Reconnect the Toolbox connection.
  11. Re-install software via UI
    Informational PurposesAn informational icon, calling your attention
    참고
    Via Controls > Service Mode > Software Reinstall
  12. In Toolbox, click Next Page to go to the "Restore" page, and then follow the prompts to restore the vehicle profile.
  13. Disconnect the laptop from the vehicle.
  14. Install the remaining components that were removed for access.
    Select the appropriate Car Computer (Remove and Install) procedure:
  15. 오래된 차량 컴퓨터를 올바르게 폐기합니다. 차량 컴퓨터(폐기)의 지침을 따르며 서비스 방문에 교정 코드 21151007을 별도 활동으로 추가합니다.

Ethernet Diagnostics Retrofit (HW3 Model S only)

Parts required for this procedure:
  • 1783315-00-A MCU,RJ45,JUMPER
  • 1681904-00-A ETHERNET DIAGNOSTIC - RJ45 MODULE
If the vehicle requires an Ethernet diagnostics retrofit, perform the following steps when connecting the electrical harnesses to the replacement car computer. See Service Manual procedure 차량 컴퓨터(HW3)(탈거 및 장착).
  1. Connect all electrical harnesses to the car computer as instructed in the Service Manual, except for X455 and the gaming MCU connector.
    그림 1. Connector X455 at RH side of car computer
    그림 2. Gaming MCU connector at LH side of car computer
  2. Connect the X455 electrical harness to the Ethernet diagnostics jumper box, and then engage the connector lock.
    그림 3. Ethernet diagnostics jumper harness connections
  3. Install the clip that attaches the Ethernet diagnostics jumper box to the RH body harness bracket.
  4. Connect the Ethernet diagnostics car computer connector (Figure 3, orange) to car computer connection X455, and then engage the locking tab.
  5. Route the diagnostic connector (Figure 3, green) behind the upper car computer mounting bracket.
  6. Insert a flexible pickup tool down the inner RH side of the center console, and pull the diagnostic connector up to the service panel.
  7. If not already present, install the Ethernet diagnostic RJ45 module on the service panel.
  8. Connect the diagnostic connector to the Ethernet diagnostic RJ45 module, and then engage the locking tab (Figure 29).
  9. Use electrical tape to attach the Ethernet diagnostics jumper harness to the IP harness.
  10. Connect the electrical harness to the car computer gaming MCU connector.
    Informational PurposesAn informational icon, calling your attention
    참고
    Make sure the locking tab engages the connector port and locks the connector in place.
  11. Go to step 6.d of the “Replace Car Computer” section and complete the remainder of the procedure.