2026-10-14

Harness - PCS2 Lite - Ancillary Bay (Remove and Replace)

Código de corrección 16300502002 FRT 2.22 NOTA: Salvo que se indique lo contrario explícitamente en el procedimiento, el código de corrección y el FRT asociado reflejan todo el trabajo necesario para realizar este procedimiento, incluidos los procedimientos vinculados. No acumule códigos de corrección a menos que se le indique explícitamente que lo haga. NOTA: Consulte Tiempos de tarifa plana para obtener más información sobre los FRT y cómo se crean. NOTA: Consulte Protección personal para asegurarse de llevar el EPI adecuado al realizar el siguiente procedimiento. NOTA: Consulte Precauciones ergonómicas para ver prácticas de trabajo seguras.

Aviso
Quítese todos los artículos de joyería (relojes, pulseras, anillos, cadenas, pendientes, chapas, piercings, etc.) que lleve puestos y todos los objetos (llaves, monedas, bolígrafos, lápices, herramientas, tornillería, etc.) que lleve en los bolsillos antes de realizar cualquier procedimiento en el que se exponga a alta tensión.
Aviso
Si necesita utilizar algún elemento de corrección de la visión para realizar con seguridad algún procedimiento, asegúrese de que esté bien sujeto a la cabeza y no pueda caerse.
Aviso

Solo los técnicos que hayan completado todos los cursos de certificación requeridos pueden realizar este procedimiento. Tesla recomienda que los técnicos de proveedores de servicios externos realicen una formación equivalente antes de ejecutar este procedimiento. Para obtener más información sobre los requisitos de los técnicos de Tesla o detalles del temario para terceros, consulte Requisitos de certificación de alta tensión. Siempre que se manipule un cable, barra colectora o conexión de alta tensión, deben llevarse equipos de protección individual (EPI) y guantes aislantes para alta tensión con una clasificación nominal mínima de 0 (1000 V). En la nota técnica TN-15-92-003sobre los puntos de peligro de alta tensión, encontrará más información sobre seguridad.

Desinstalar

  1. Realice el procedimiento de desactivación de la alta tensión del vehículo. Consulte Vehicle HV Disablement Procedure (Test/Adjust).
    Nota
    Do not reconnect the LV power at this time.
  2. Remove the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  3. Remove the ancillary bay cover. See Ancillary Bay Cover (Remove and Install).
    Aviso
    Durante el resto del procedimiento se deben utilizar guantes aislantes para alta tensión y guantes protectores de cuero. No se quite los guantes ni las protecciones hasta que se le indique.
  4. Install the logic connector cap to the high voltage controller connector.
  5. Inspect the ancillary bay for missing insulators.
    Nota
    Install the service insulator kit before proceeding with the following steps.
  6. Remove the pyrotechnic battery disconnect. See Pyro Disconnect - HV Battery (Remove and Replace).
  7. Disconnect high voltage controller (HVC) connectors (x7).
  8. Release the clips (x8) that attach the megaharness to the high voltage controller skylite hinge.
  9. Remove the HVC and skylite hinge from the skylite hinge post.
    Nota
    2x tabs, 2x location holes
    Nota
    Press to release the two tabs, and then pull outward to remove.
  10. Remove the screw that attaches the RH skylite hinge post to the ancillary bay.
    Consejo
    Use of the following tool(s) is recommended:
    • Torx T25 socket
  11. Move the harnesses (x3) outward, and then remove the RH Skylite hinge post from the ancillary bay.
    Nota
    3x harness, 2x locating pins
    Nota
    Inspect the wire insulation layer. If it is damaged, replace the harness.
  12. Disconnect the PCS2 lite logic connector from the PCS2 lite.
  13. Release the clip that attaches the ancillary bay harness to the positive pack contactor.
  14. Disconnect the ancillary bay harness connectors (x2) from the positive pack contactor.
  15. Disconnect the PCS2 lite LV connector from the PCS2 lite by pulling the locking tab upward.
    Nota
    May need a plastic trim tool to help lift the connector upward.
  16. Remove the DCDC pass through. See Pasante - CC/CC - Baja tensión (tipo cable) (Desinstalación y sustitución).
  17. Remove the RH daisy chain pass through housing from the ancillary bay.
    Nota
    If the housing is damaged during removal, replace the PCS2 Lite harness assembly.
    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.
  18. Remove the ancillary bay harness clips (x3) from the positive DC link.
  19. Remove the ancillary bay harness clips (x2) from the RH base insulator assembly.
    Nota
    2x harness clips
  20. Release the locking tab, and then disconnect the X421 connector from the DC connection bus.
  21. Disconnect the AC filter harness connector from the PCS2 Lite.
    1. Fully release the red lock pin.
    2. Press the orange tab inward and lift the connector to remove it from the vehicle.
      Nota
      If needed, use a plastic trim tool to assist with removal.
  22. Disconnect the ancillary bay harness connectors (x2) from the negative pack contactor.
  23. Press the tabs on both sides by hand, and lift the connector upwards to disconnect the LV fast charge contactor connector.
  24. Release the locking tab, and then disconnect the AC filter harness connectors (x2) from the FC contactor cover.
  25. Release harness clips (x3) from the FC contactor cover, and then move the wiring harness aside around the FC contactor cover.
  26. Remove the harness clip from the left terminals cover.
  27. Release the tabs (x2) and datum to remove the LH ancillary bay terminals cover.
  28. Remove and discard the patch bolts (x2) that attach the DC link side to the negative and positive fast charge busbars.
    Consejo
    Se recomienda utilizar las siguientes herramientas:
    • Vaso de 13 mm
    • Llave dinamométrica con medición de ángulos
    Figura 1. Negative fast charge port busbar bolt
    Figura 2. Positive fast charge port busbar bolt
  29. Remove the bolt that secures the busbar cover access door.
    Consejo
    Se recomienda utilizar las siguientes herramientas:
    • Vaso de 10 mm de 12 puntas con cuello largo
  30. Remove bolts (x2) that secure the charge port busbar kit to the HV header.
    Nota
    For 3-phase vehicles, disconnect the AC charging interface.
    Consejo
    Se recomienda utilizar las siguientes herramientas:
    • Vaso de 10 mm de 12 puntas con cuello largo
  31. Lift the busbar kit connector and shift the rear end of the busbar assembly upward to remove the aluminum connector housing from the HV header.
    Nota
    4x guide tabs
  32. Remove the bolts (x4) that attach the DC input header seal to the ancillary bay.
    Consejo
    Use of the following tool(s) is recommended:
    • External Torx Plus EP10
  33. Remover the DC input header seal from the ancillary bay.
    Nota
    2x location pins
  34. Remove the bolts (x2) that attach the FC contactor assembly to the ancillary bay.
    Consejo
    Use of the following tool(s) is recommended:
    • 10 mm socket
  35. Tilt the FC contactor assembly upward to remove it from the ancillary bay.
    Nota
    2x guide pins, 1x clip
  36. Remove the LH daisy chain pass through housing from the ancillary bay.
    Nota
    If the housing is damaged during removal, replace the PCS2 Lite harness assembly.
    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.
  37. Release the clip, and then remove the X423 connector from the DC link busbar.
    Nota
    Release the connector's locking tab.
  38. Remove the pyro disconnect dummy.
  39. Release the clip, and then remove the pyro disconnect logic connector.
  40. Release the clip, and then disconnect shunt assembly connector.
    Nota
    Release the connector's locking tab.
  41. Remove the HV joint insulator from the DC link busbar.
    Nota
    1x insulator
  42. Release the clip, and then disconnect the X422 connector from the DC link busbar.
    Nota
    Release the connector's locking tab.
  43. Remove the ancillary bay harness assembly fixing clips (x5) from the DC link.
  44. Remove the tab from the DC link shell.
    Nota
    When removing a tab, ensure it break off along the bottom edge and leaves no sharp corners that could damage the wiring harness.
  45. Route out the PCS2 Lite harness assembly from the inlet outlet pipe, and then remove the harness assembly from the ancillary bay.

Instalar

  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. Install the X422 connector to the DC link busbar, and then secure the clip.
  4. Install the HV joint insulator to the DC link busbar.
  5. Connect the shunt assembly connector and then secure the clip.
  6. Install the pyro disconnect logic connector, and then secure the clip.
  7. Install the pyro disconnect dummy.
  8. Install the X423 connector to the DC link busbar, and then secure the clip.
  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 FC contacor assembly to the ancillary bay.
    Nota
    2x guide pins, 1x clip
    Nota
    Tilt the assembly as needed to align it with the guide pins, then install it.
  11. Install the bolts (x2) that attach the FC contactor assembly to the ancillary bay.
    5.5 Nm (4.1 lbs-ft)
    Nota
    Mark the bolts with a paint pen after installation.
    Consejo
    Use of the following tool(s) is recommended:
    • Insulated 10 mm deep socket
  12. Install the DC input header seal to the ancillary bay.
    Nota
    2x location pins
    Nota
    Inspect the sealing ring for damage. If it is damaged, replace the assembly.
  13. Install the bolts that attaches the DC input header seal to the ancillary bay.
    10 Nm (7.4 lbs-ft)
    Nota
    Mark the bolts with a paint pen after installation.
    Consejo
    Use of the following tool(s) is recommended:
    • Insulated External Torx Plus EP10
  14. Use IPA wipes to clean the HV connector contact surface and the busbar HV connector contact surface of the residual Penetrox.
    Nota
    Allow 1 minute dry time for each surface. The new busbar comes with the penetrox applied to the HV connector. It is necessary to clean the HV connector during the re-use of the busbar.
  15. Apply 2 drops of Penetrox A-13 about 5mm in diameter to either side of the hole on both leads on the HV connector joints, and then spread the liquid evenly until the contact surface is fully covered.
  16. Position the busbar kit connector and lower it onto the HV header.
    Nota
    Shift the rear end of the busbar assembly upward to help ease installation. If excessive force is required to seat the busbar, they may have been bent. Inspect for damage and replace if necessary.
  17. Install the bolts (x2) that secure the charge port busbar kit to the HV header.
    9 Nm (6.6 lbs-ft)
    Nota
    For 3-phase vehicles, connect the AC charging interface.
    Se recomienda utilizar las siguientes herramientas:
    • Vaso de 10 mm de 12 puntas con cuello largo
  18. Perform Hioki resistance test at each HV joint from the HV busbar lead to the bolt head.
    • If the resistance is greater than 0.195 mΩ (195 μΩ), stop the current repair work and escalate a Toolbox session.
    • If the resistance is lower than 0.050 mΩ (50 μΩ), reposition the probes and measure again.
    • If the resistance is repeatedly between 0.00 mΩ and 0.050 mΩ (50 μΩ), Hioki test passed, proceed to the next step.
  19. Install the bolt that secures the busbar cover access door.
    9 Nm (6.6 lbs-ft)
    Consejo
    Se recomienda utilizar las siguientes herramientas:
    • Vaso de 10 mm de 12 puntas con cuello largo
  20. Install a new patch bolt (1104475-00-F) that attaches the positive fast charge busbar to the DC link side.
    5 Nm (3.7 lbs-ft) + 60 degrees
    Nota
    Mark the bolt after torque.
    Consejo
    Se recomienda utilizar las siguientes herramientas:
    • VASO, CUADRADILLO DE 1/4", 13 mm, AISLADO PARA ALTA TENSIÓN
  21. Perform a Hioki impedance test on the positive HV joint ensuring it is 25𝜇Ω or less.
  22. Install a new patch bolt (1104475-00-F) that attaches the negative fast charge busbar to the DC link side.
    5 Nm (3.7 lbs-ft) + 60 degrees
    Nota
    Mark the bolt after torque.
    Consejo
    Se recomienda utilizar las siguientes herramientas:
    • VASO, CUADRADILLO DE 1/4", 13 mm, AISLADO PARA ALTA TENSIÓN
  23. Perform a Hioki impedance test on the negative HV joint ensuring it is 40𝜇Ω or less.
  24. Engage the tabs (x2) and datum to install the left ancillary bay terminals cover.
  25. Secure the harness clip to the left terminals cover.
  26. Secure the harness clips (x3) to the fast charge contactor cover.
  27. Connect the AC filter harness connectors (x2) to the fast charge contactor cover.
  28. Connect the LV fast charge contactor connector.
  29. Connect the ancillary bay harness connectors (x2) to the negative pack contactor.
  30. Connect the AC filter harness connector to the PCS2 Lite by pushing it downward, then pushing the locking tab downward to secure it.
    Nota
    Ensure the connector is fully seated.
  31. Connect the X421 connector to the DC connection bus.
  32. Install the RH skylite hinge post to the ancillary bay, and then insert the harnesses (x3) into the slot.
    Nota
    2x locating pins
  33. Install the screw that attaches the RH skylite hinge post to the ancillary bay.
    2 Nm (1.5 lbs-ft)
    Consejo
    Use of the following tool(s) is recommended:
    • Torx T25 socket
  34. Install the ancillary bay harness clips (x2) to the RH base insulator assembly.
  35. Install the ancillary bay harness clips (x3) to the positive DC link.
  36. Align the location pins (x3) and secure the bottom clips (x2) to install the RH daisy chain pass through housing onto the ancillary bay.
  37. Install the DCDC pass through. See Pasante - CC/CC - Baja tensión (tipo cable) (Desinstalación y sustitución).
  38. Connect the PCS2 Lite LV connector to the PCS2 Lite by pushing it downward, then pressing the locking tab down to secure it.
  39. Connect the ancillary bay harness connectors (x2) to the positive pack contactor.
  40. Install the ancillary bay harness clip to the positive pack contactor.
  41. Connect the PCS2 Lite logic connector to the PCS2 Lite.
  42. Install the HVC and skylite hinge to the skylite hinge post.
    Nota
    2x tabs, 2x location holes
  43. Install the clips (x8) that attach the megaharness to the HVC skylite hinge.
  44. Connect the HVC connectors (x7).
  45. Measure the voltage across the pyrotechninc battery disconnect mount points, and then install the pyrotechnic battery disconnect. See Pyro Disconnect - HV Battery (Remove and Replace).
  46. Remove the service insulator kit.
  47. Remove the logic connector cap from the high voltage controller connector.
  48. Install the ancillary bay cover. See Ancillary Bay Cover (Remove and Install).
    Nota
    Before installing the ancillary bay cover, inspect the ancillary bay cover seal and confirm there is no visual damage. If the seal is torn and/or delaminated, replace the ancillary bay cover.
  49. Install the 2nd row lower seat cushion. See Seat Cushion - 2nd Row (Remove and Replace).
  50. Connect the LV power. See LV Power (Disconnect and Connect) (Modify).