23/07/2024 17:31:42

HV Harnesses - HV Connector Header, Plug, 300mm2 (Remove and Install)

Correction code 4450074011 4450074012 FRT 1.14 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email LaborTimeFeedback@tesla.com. NOTE: See Personal Protection to make sure wearing proper PPE when performing the below procedure.

  • 2024-05-08: Procedure overhaul based on latest re-validation.
  • 2024-04-08: Cleaned up topic.
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Warning
This procedure is a DRAFT. Although it has been validated, Warnings and Cautions might be missing. Follow safety requirements and use extreme caution when working on or near High Voltage systems and components. Provide corrections and feedback to ServiceDevelopment@teslamotors.com.
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Warning
Cybertruck electronics are powered by a 48V "mid voltage" or "MV" architecture that is designed to improve efficiency. Servicing MV components requires extra knowledge and care in order to avoid personal and/or vehicular harm. Read and understand MV precautions in Electrical Precautions and make sure any required MV-related training courses have been completed, as applicable.
  1. Open LH front door
    Informational PurposesAn informational icon, calling your attention
    Note
    Push LH B-pillar door trigger to release
  2. Lower LH front window
  3. Raise and support vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    Set air suspension to "Jack Mode"
  4. Open tonneau cover
    Informational PurposesAn informational icon, calling your attention
    Note
    Press forward arrow on LH bed rail
  5. Open tailgate
    Informational PurposesAn informational icon, calling your attention
    Note
    Press button to release
  6. Remove fastener covers from bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    6x covers
  7. Remove bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x bolts, 15mm, 56 Nm, 4x anchors, Open anchors as needed, Lift front edge with trim tool then remove panel, Recommend assistance
  8. Release RH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    6x bolts, 10mm, 5Nm, 2-peice NVH assembly order of operations requires RH side to be released first to allow busbar clearance for LH side removal
  9. Remove RH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    Release rearward then slide over LH side NVH cover before removing upward
  10. Release LH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    5x bolts, 10mm, 5Nm
  11. Remove LH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    Slide towards center, Ensure busbar clearance during removal to avoid damage to NVH material
  12. Open powered front trunk
    Informational PurposesAn informational icon, calling your attention
    Note
    Via exterior switch or UI
  13. Remove rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    9x clips
  14. Power down vehicle via UI
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify EPBs are engaged, Select charge port icon to ensure drive state is disengaged then power down vehicle via Controls > Safety > Power Off
  15. Unlock fireman's loop connector and disconnect, Slide eCPA to left on the MV battery connector then lift lever to release
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors, Unlock fireman's loop connector and disconnect, Release eCPA by pushing down to unlock and slide red locking tab to left, Wait 2 minutes for electrical circuits to discharge before disconnecting modules
  16. Verify operation of multimeter
    Informational PurposesAn informational icon, calling your attention
    Note
    Set multimeter to DC voltage, Confirm multimeter is properly measuring voltage by testing MV battery, Touch lightly and do not damage terminals
  17. Raise vehicle fully
    Informational PurposesAn informational icon, calling your attention
    Note
    Set to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
  18. Remove Mid-aero shield
    Informational PurposesAn informational icon, calling your attention
    Note
    6x clips, 3x bolts, 15mm, 42 Nm, 5x bolts, 13mm, 28 Nm, 2x bolts, 10mm, 6 Nm
  19. Remove all items from pockets and ensure not wearing metal items
  20. Inspect HV insulating gloves
    Informational PurposesAn informational icon, calling your attention
    Note
    Check gloves for damage prior to use, Refer to service document TN-15-92-003, for information on inspecting HV gloves. https://service.teslamotors.com/documents?model=&keys=TN-15-92-003&vehicle_system=&sort_by=field_date_submitted&sort_order=DESC
  21. Put on HV insulating gloves and leather over gloves
  22. Verify no HV - Install amp clamp to RDU HV harness
    Informational PurposesAn informational icon, calling your attention
    Note
    Verify meter is zeroed out before performing measurement, Measure single cable. Verify ammeter is installed in correct direction. If current > 0.5A do not proceed with disconnecting HV connector. In this case, start vehicle electrical isolation again to make sure that all was properly shut down. Escalate for assistance as requiredIf current < 0.5A, Ok to disconnect and check voltage at HV plug on the battery side.Release locking tab and rotate the release lever up to disengage the connector, Release harness clip, Do not force the release lever up, Ensure the alignment tabs on the RDU header are not damagedMake sure to wear PPE (HV gloves, safety glasses) when working on high voltage component, Measure B+ to Ground, B- to Ground, B+ to B-, If voltage is greater than 10V, Pack contactors are not open or welded, Stop work and reach out to Service Engineering
  23. Secure RDU header connector to ancillary
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Verify lever is in the upright and open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins
  24. Lower vehicle until tires are touching the ground
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  25. Remove bolt securing busbar HV connector lid
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, EP10, 9 Nm
  26. Remove bolts securing HV connector to DC FC header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 10mm, 9 Nm
  27. Release HV connector from DC FC header
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Use inflatable airbag to suspend busbar assembly above ancillary assembly
  28. Raise CP busbar connector
    Informational PurposesAn informational icon, calling your attention
    Note
    2x inflatable bags, Install bags, Do not open tonneau to prevent damage
  29. Remove screws securing HV connector to CP busbars
    Informational PurposesAn informational icon, calling your attention
    Note
    2x screws, T20, 1.5 Nm, Position mirror as needed
  30. Remove HV connector from CP busbars
    Informational PurposesAn informational icon, calling your attention
    Note
    Gently pry between orange clips and primary heat sink, Pull evenly
  31. Position HV connector onto CP busbars
    Informational PurposesAn informational icon, calling your attention
    Note
    Push evenly, Make sure orange clips are flush with primary heat sink
  32. Install screws securing HV connector to CP busbars
    Informational PurposesAn informational icon, calling your attention
    Note
    2x screws, T20, 1.5 Nm, Position mirror as needed
  33. Clean HV connector contact surface of residual Penetrox
    Informational PurposesAn informational icon, calling your attention
    Note
    Allow 1 minute dry time after removing Penetrox, New busbar comes with Penetrox applied to HV connector
  34. Apply Penetrox onto HV connector joints
    Informational PurposesAn informational icon, calling your attention
    Note
    Apply 2 drops of Penetrox A-13 about 5mm in diameter to either side of the hole on both leads, Spread evenly to verify the contact surface is fully covered
  35. Clean busbar HV connector contact surface of residual Penetrox
    Informational PurposesAn informational icon, calling your attention
    Note
    Allow 1 minute dry time after removing Penetrox, It is necessary to clean HV connector during re-use of busbar
  36. Lower CP busbar connector
    Informational PurposesAn informational icon, calling your attention
    Note
    2x inflatable bags, Remove bags, Do not open tonneau to prevent damage
  37. Position busbar connector and lower onto HV header
    Informational PurposesAn informational icon, calling your attention
    Note
    Release bungee cord
  38. Install bolts securing charge port busbar kit to HV Header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 10mm, 9 Nm
  39. Perform Hioki resistance test at each HV joint from HV busbar lead to bolt head
    Informational PurposesAn informational icon, calling your attention
    Note
    2x HV joints, When using Hioki tester, verify the meter has been properly adjusted and set prior to usageThe acceptable resistance is between 0.050 mΩ (50 μΩ) and 0.195 mΩ (195 μΩ).If the resistance is greater than 0.195 mΩ (195 μΩ), stop work and escalate the 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 next step
  40. Install bolt securing busbar HV connector lid
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, EP10, 9 Nm
  41. Slide eCPA to the right and ensure it is seated against the black lever, Connect fireman's loop 20 seconds after eCPA engagement
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors, Slide and secure red locking tab on top of release lever, Lock fireman's loop connection, If power cycling vehicle ensure at least 60 seconds has passed since powering down
  42. Install LH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure busbar clearance during install to avoid damage to NVH material
  43. Secure LH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    5x bolts, 10mm, 5Nm
  44. Install RH tonneau NVH cover
  45. Secure RH tonneau NVH cover
    Informational PurposesAn informational icon, calling your attention
    Note
    6x bolts, 10mm, 5Nm
  46. Install bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    10x bolts, 15mm, 56 Nm, 4x anchors, Open and close anchors as needed, Recommend assistance
  47. Install fastener covers onto bed floor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    6x covers
  48. Install rear underhood apron
    Informational PurposesAn informational icon, calling your attention
    Note
    9x clips, Adjust windshield seal as required
  49. Close powered front trunk
    Informational PurposesAn informational icon, calling your attention
    Note
    Via exterior switch or UI
  50. Close tonneau cover
  51. Close tailgate
  52. Raise vehicle fully
    Informational PurposesAn informational icon, calling your attention
    Note
    Set to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
  53. Install Mid-aero shield
    Informational PurposesAn informational icon, calling your attention
    Note
    6x clips, 3x bolts, 15mm, 42 Nm, 5x bolts, 13mm, 28 Nm, 2x bolts, 10mm, 6 Nm, Apply Loctite 222 onto mid aeroshield bolts and install fasteners
  54. Lower vehicle fully
    Informational PurposesAn informational icon, calling your attention
    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  55. Remove vehicle from lift
    Informational PurposesAn informational icon, calling your attention
    Note
    Lower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode"
  56. Raise LH front window
  57. Close LH front door