2025-10-17

线束 - PCS（第二代 Lite 版） - 高压电池仓（Model Y L） ((拆卸和更换))

校正代码 16300502002 FRT 2.64 注意： 除非本程序中另有明确规定，否则上文所列校正代码和 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。 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)。 注意： 请参阅人体工程学注意事项查看安全健康的作业规程。

拆卸

  1. Remove the ancillary bay cover. See 盖板 - 高压电池仓（Model Y L） ((拆卸和安装)).
  2. Remove the nut that attaches the DCDC ground busbar to the HV battery, then gently lift the DCDC ground busbar upward.
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具
    • 1/4 英寸六角钻头套筒标准 13 毫米
    Informational PurposesAn informational icon, calling your attention
    注
    Do not bend the busbar excessively.
  3. Disconnect the PCS2 Lite logic connector from PCS2 Lite.
  4. Remove the ancillary bay harness clip from the positive pack contactor.
  5. Disconnect the ancillary bay harness connectors (x2) from the positive pack contactor.
  6. Remove the 12V DC PCS2 Lite harness. See 线束 - PCS（第二代 Lite 版）- 12V - 直流电（Model Y L） ((拆卸和更换)).
  7. Remove the RH daisy chain pass through housing from the ancillary bay.
    1. Insert the UFO harness removal tool (1475996-00-A) beneath the daisy chain pass through housing.
    2. Insert the tab release tool to release the bottom clips (x2).
    3. Use the trim tool to release the top location pins (x3).
    4. Pull the daisy chain pass through housing upward to remove it.
    Informational PurposesAn informational icon, calling your attention
    注
    If damaged during disassembly, replace the PCS2 Lite harness assembly.
  8. Remove the ancillary bay harness clips (x3) from the positive DC link.
  9. Remove the ancillary bay harness clips (x2) from the RH base insulator assembly.
  10. Remove the hinge post. See .
  11. Disconnect the X421 connector from the DC connection bus by releasing the locking tab.
  12. Disconnect the ancillary bay harness connectors (x2) from the negative pack contactor.
  13. Remove the fast charge access insulator. See 绝缘盖 - 快充通道 - 高压电池仓（Model Y L） ((拆卸和更换)).
  14. Remove the LH daisy chain pass through housing from the ancillary bay.
    1. Insert the UFO harness removal tool (1475996-00-A) beneath the daisy chain pass through housing.
    2. Insert the tab release tool to release the bottom clips (x2).
    3. Use the trim tool to release the top location pins (x3).
    4. Release the harness clip and pull the daisy chain pass through housing upward to remove it.
    Informational PurposesAn informational icon, calling your attention
    注
    If damaged during disassembly, replace the PCS2 Lite harness assembly.
  15. Remove the X423 connector from the DC link busbar by releasing the locking tab and clip.
  16. Remove the pyro disconnect dummy.
  17. Remove the pyro disconnect logic connector by releasing the clip.
  18. Disconnect the shunt assembly connector by releasing the locking tab and clip.
  19. Remove the HV joint insulators from the DC link busbar.
  20. Remove the X422 connector from the DC link busbar by releasing the locking tab and clip.
  21. Remove the ancillary bay harness assembly fixing clips (x5) from the DC link.
  22. Remove the tab from the DC link shell.
    Informational PurposesAn informational icon, calling your attention
    注
    When removing a tab, ensure it break off along the bottom edge and leaves no sharp corners that could damage the wiring harness.
  23. Route out the PCS2 Lite harness assembly from the inlet outlet pipe, and then remove the harness assembly from the ancillary bay.

更换

  1. Route the PCS2 Lite harness assembly along the inlet outlet pipe, then position it into the ancillary bay for installation.
  2. Install the ancillary bay harness assembly fixing clips (x5) to the DC link.
  3. Secure the locking tab and clip to install the X422 connector to the DC link busbar.
  4. Install the HV joint insulators to the DC link busbar.
  5. Connect the shunt assembly connector by securing the locking tab and clip.
  6. Install the pyro disconnect logic connector by securing the clip.
  7. Install the pyro disconnect dummy.
  8. Secure the locking tab and clip to install the X423 connector to the DC link busbar.
  9. Align the location pins (x3), secure the bottom clips (x2) and harness clip to install the LH daisy chain pass through housing onto the ancillary bay.
  10. Install the fast charge access insulator. See 绝缘盖 - 快充通道 - 高压电池仓（Model Y L） ((拆卸和更换)).
  11. Connect the ancillary bay harness connectors (x2) to the negative pack contactor.
  12. Connect the X421 connector to the DC connection bus by securing the locking tab.
  13. Install the hinge post. See .
  14. Install the ancillary bay harness clips (x2) to the RH base insulator assembly.
  15. Install the ancillary bay harness clips (x3) to the positive DC link.
  16. Align the location pins (x3) and secure the bottom clips (x2) to install the RH daisy chain pass through housing onto the ancillary bay.
  17. Install the 12V DC PCS2 Lite harness. See 线束 - PCS（第二代 Lite 版）- 12V - 直流电（Model Y L） ((拆卸和更换)).
  18. Connect the ancillary bay harness connectors (x2) to the positive pack contactor.
  19. Install the ancillary bay harness clip to the positive pack contactor.
  20. Connect the PCS2 Lite logic connector to the PCS2 Lite.
  21. Gently press down the DCDC ground busbar to the HV battery, and install a new nut that attaches the DCDC ground busbar to the HV battery.
    9 Nm (6.6 lbs-ft)
    Informational PurposesAn informational icon, calling your attention
    TIp
    推荐使用以下工具
    • 1/4 英寸六角钻头套筒标准 13 毫米
  22. Install the ancillary bay cover. See 盖板 - 高压电池仓（Model Y L） ((拆卸和安装)).