19/12/2024 23:26:35

Car Computer (Remove and Replace)

校正代码 21153202 (HW3) 21153302 (HW4) FRT 0.78 0.66 注意：除非本程序中另有明确规定，否则上述校正代码和 FRT 反映的是执行本程序（包括关联程序）所需的所有工作。除非明确要求，否则请勿堆叠校正代码。 注意：请参阅平均维修工时，深入了解 FRT 及其创建方式。要提供有关 FRT 值的反馈，请发送电子邮件至LaborTimeFeedback@tesla.com。 注意：请参阅人员保护，确保在执行以下程序时穿戴适当的个人防护装备 (PPE)。

  • 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（连接和断开）.
  2. For Third Party repairs only: Perform the Toolbox Owner Authorization Request.
    Informational PurposesAn informational icon, calling your attention
    注
    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.
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    注
    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 低压电源（断开和连接）.
    6. Connect an LV maintainer to the vehicle, but do not disconnect the LV battery. See 低压维护设备（连接和断开）.
    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.
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    If necessary, Reconnect the Toolbox connection.
  10. Click Start Part Replacement OTA to deploy a software update to the vehicle.
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    If necessary, Reconnect the Toolbox connection.
  11. Re-install software via UI
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    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. 确保妥善处理旧车载电脑。请参阅车载电脑（处理）中给出的说明，将校正代码 21151007 作为一项单独的工项添加至“服务工单”中。

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 车载电脑 (HW3)（拆卸和安装）.
  1. Connect all electrical harnesses to the car computer as instructed in the Service Manual, except for X455 and the gaming MCU connector.
    图 1. Connector X455 at RH side of car computer
    图 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.
    图 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.
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    注
    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.