04/06/2024 21:11:18

高压线束 - 高压电池至后驱动单元 (4DU)（拆卸和更换）

校正代码 44502222 0.78 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)。

Warning IconA warning icon, calling your attention to a possibly risky situation
警告
尽管此程序已经过验证，但仍是一个草案。可能没有警告和注意事项。请遵守安全要求，处理或靠近高压系统和部件时，请谨慎操作。请将校正修理内容及反馈发送至ServiceDevelopment@teslamotors.com。

拆卸

  1. Move the vehicle to a 2 post lift. See 举升车辆 - 双柱举升机.
  2. Enable Service Mode on the touchscreen. See 维护模式.
  3. Remove the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
  4. Remove the cabin intake duct. See 槽 - 驾驶室进气（拆卸和更换）.
  5. Disconnect LV power. See 12V/低压电源（断开和连接）.
  6. 执行车辆高压禁用程序。请参阅车辆高压禁用程序。
  7. Remove the mid aero shield panel. See 面板 - 流线型护板 - 中间（拆卸和更换）.
  8. Release the clips (x4) that attach the coolant hoses to the rear skid plate.
    Informational PurposesAn informational icon, calling your attention
    注
    Clip quantity varies with older vehicles.
  9. Remove the HV battery rear skid plate. See 滑板 - 高压电池 - 后部（拆卸和更换）.
  10. Position a coolant drain collector underneath the LH rear of the HV battery.
  11. Release the clip, disconnect the rear drive unit inverter inlet hose from the HV battery, and then immediately plug both fittings.
  12. Release the clip, disconnect the rear drive unit inverter inlet hose from the rear drive unit inverter, and then immediately plug both fittings.
  13. Release the clip that attaches the rear drive unit inverter inlet hose from rear drive unit HV harness.
  14. Remove the rear drive unit inverter inlet hose down and out from between the rear subframe and the HV battery.
  15. Remove the bolt that attaches the rear drive unit HV harness bracket to the rear drive unit inverter.
  16. Slide the locking tab, raise the black handle, disconnect the rear drive unit HV harness from the rear drive unit inverter HV header,and then set the HV harness aside.
  17. Remove the nut(s) that attach(es) the rear drive unit HV harness bracket to the HV battery.
  18. Slide the red locking tab, raise the black handle, and then disconnect the rear drive unit HV harness from the HV battery header.
  19. Remove the rear drive unit HV harness down and out from between the rear subframe and the HV battery.
    Informational PurposesAn informational icon, calling your attention
    注
    Rotate the harness as it is removed to allow access for the bracket.

安装

  1. Install the rear drive unit HV harness in and up between the rear subframe and the HV battery.
    Informational PurposesAn informational icon, calling your attention
    注
    Rotate the harness as it is installed to allow access for the bracket.
  2. Verify that the black release lever of the rear drive unit HV harness connector is in the open position, install the connector flat and square to the HV battery header, secure the release lever to the closed position, and then slide the red connector locking tab.
  3. Install the nut(s) that attach(es) the rear drive unit HV harness bracket to the HV battery.
    10 Nm (7.4 lbs-ft)
  4. Verify that the black release lever of the rear drive unit HV harness connector is in the open position, install the connector flat and square to the rear drive unit inverter HV header, secure the release lever to the closed position, and then slide the connector locking tab.
  5. Install the bolt that attaches the rear drive unit HV harness bracket to the rear drive unit inverter.
    6 Nm (4.4 lbs-ft)
  6. Install the rear drive unit inverter inlet hose in and up between the rear subframe and the HV battery.
  7. Fasten the clip that attaches the rear drive unit inverter inlet hose to rear drive unit HV harness.
  8. Remove the plugs from the fittings, immediately connect the rear drive unit inverter inlet hose to the rear drive unit inverter, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  9. Remove the plugs from the fittings, immediately connect the rear drive unit inverter inlet hose to the HV battery, fasten the clip, and then perform a Push-Pull-Push check of the fitting.
  10. Remove the coolant drain collector from under the vehicle.
  11. Install the HV battery rear skid plate. See 滑板 - 高压电池 - 后部（拆卸和更换）.
  12. Fasten the clips (x4) that attach the coolant hoses to the rear skid plate.
    Informational PurposesAn informational icon, calling your attention
    注
    Clip quantity varies with older vehicles.
  13. Install the mid aero shield panel. See 面板 - 流线型护板 - 中间（拆卸和更换）.
  14. Connect LV power. See 12V/低压电源（断开和连接）.
  15. On the touchscreen, touch the wrench icon > Diagnostics > Thermal.
    Informational PurposesAn informational icon, calling your attention
    注
    Alternatively, touch Controls (vehicle icon) > Service Mode > Diagnostics > Thermal.
  16. Hold up on the turn signal stalk, and then press and hold the brake pedal at the same time for 10 seconds to authorize.
  17. On the touchscreen, touch START to the left of “Start Coolant Air Purge” and wait for the task to complete (10 minutes).
    Informational PurposesAn informational icon, calling your attention
    注
    Alternatively, touch START to the left of “Start Coolant Air Purge”, touch RUN TASK, wait for the task to complete (10 minutes), then touch X in the upper left corner.
  18. Add coolant to the reservoir as necessary, and install the reservoir cap.
  19. Install the cabin intake duct. See 槽 - 驾驶室进气（拆卸和更换）.
  20. Install the rear underhood apron. See 前备箱挡板 - 后部（拆卸和更换）.
  21. Disable Service Mode. See 维护模式.
  22. Remove the vehicle from the 2 post lift. See 举升车辆 - 双柱举升机.