04/06/2024 18:03:37

Shunt - HV Battery (Structural Pack) (Remove and Replace)

Correction code 16303632 2.46 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.

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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.
  1. Open all four doors
  2. Lower all four windows
  3. Place vehicle in service mode with touchscreen
    Informational PurposesAn informational icon, calling your attention
    Note
    Hold Tesla T icon at top of center display for four seconds and then type "service" into dialog box
  4. Remove the ancillary bay cover. See Cover - Ancillary Bay (Structural Pack) (Remove and Replace).
  5. Remove the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Structural Pack) (Remove and Install).
  6. Disconnect HV controller connectors
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    Note
    7x connectors, Lift hinge upwards to release levered connection
  7. Release harness clips from HVC hinge tray and route harness away
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    Note
    3x clips
  8. Remove bolts securing HV controller hinge tray to HV battery
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    Note
    2x bolts, 8mm, 2 Nm
  9. Remove HV controller and tray from ancillary bay
  10. Disconnect PCS to DC bus HV connector
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    Note
    1x connector, Release the locking tab by pulling upward, May need plastic trim tool to help lift the connector upward
  11. Disconnect PCS logic connector from PCS
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    Note
    1x connector
  12. Disconnect PCS LV connector from PCS
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    Note
    1x connector, Release the locking tab by pulling upward, May need plastic trim tool to help lift the connector upward
  13. Remove bolts securing PCS to HV battery
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    Note
    6x bolts, 8mm, 6 Nm, Ensure ONLY the 8mm fasteners are removed, Do not remove the T30 fasteners
  14. Disconnect shunt assembly
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    Note
    1x connector
  15. Disconnect fast charge contactor
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    Note
    1x connector, Push on both side of connector to release tabs and pull upward
  16. Release shunt harness branch from tray
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    Note
    1x clip
  17. Remove bolt securing AC filter harness to negative DC inlet busbar
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    Note
    1x bolt, 13mm, 15 Nm, Minus 180 degrees, 5 Nm + 60 degrees, Discard after removal
  18. Remove bolt securing AC filter harness positive DC inlet busbar
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 15 Nm, Minus 180 degrees, 5 Nm + 60 degrees, Discard after removal
  19. Release AC filter harness from tray
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    Note
    2x clips
  20. Disconnect AC filter harness
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    Note
    1x connector, Release the locking tab by pulling upward, May need plastic trim tool to help lift the connector upward
  21. Remove AC filter harness from ancillary bay
  22. Lift front side of PCS and support
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    Note
    Recommend assistance, Be cautious of coolant hoses and surrounding components. Use air bladder and plastic tool or similar to keep PCS upright
  23. Remove flex jumper busbar insulator
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    Note
    8x securing tabs, Be very gentle when releasing these tabs as they are very brittle, If damage occurs, replace insulator
  24. Remove bolt securing shunt assembly
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    Note
    1x bolt, 13mm, 5 Nm + 60 degrees, Discard bolt after removal
  25. Remove pyro disconnect dummy cover
  26. Remove shunt assembly from ancillary bay
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    Note
    Use trim tool to lift one side to ease removal
  27. Position shunt assembly into ancillary bay
  28. Install pyro disconnect dummy cover
  29. Install bolt securing shunt assembly
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    Note
    1x bolt, 13mm, 5 Nm + 60 degrees, Install new bolt
  30. Perform Hioki measurement at joint from shunt to shunt pyro jumper busbar
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    Note
    1x HV joint, 60µΩ or less
  31. Install flex jumper busbar insulator
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    Note
    8x securing tabs, If damage is present, replace insulator
  32. Lower front side of PCS back into position for installation
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    Note
    Remove tooling supporting PCS
  33. Install bolts securing PCS to HV battery
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    Note
    6x bolts, 8mm, 6 Nm
  34. Connect PCS to DC bus HV connector
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    Note
    1x connector, Secure connector and engage red locking tab, Make sure the connector is fully seated
  35. Connect PCS logic connector to PCS
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    Note
    1x connector
  36. Connect PCS LV connector to PCS
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    Note
    1x connector, Secure connector and enage red locking tab, Make sure the connector is fully seated
  37. Connect PCS to fastcharge contactor HV harness connector
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    Note
    1x connector, Secure connector and enage red locking tab, Make sure the connector is fully seated
  38. Secure AC filter harness onto tray
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    Note
    2x clips
  39. Install bolt securing AC filter harness positive DC inlet busbar
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 15 Nm, Minus 180 degrees, 5 Nm + 60 degrees, Install new bolt
  40. Install bolt securing AC filter harness to negative DC inlet busbar
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 13mm, 15 Nm, Minus 180 degrees, 5 Nm + 60 degrees, Install new bolt
  41. Perform Hioki impedance measurement at joint from AC filter harness to positive DC inlet busbar
    Informational PurposesAn informational icon, calling your attention
    Note
    1x HV joint, 150µΩ or less
  42. Perform Hioki impedance measurement at joint from AC filter harness to negative DC inlet busbar
    Informational PurposesAn informational icon, calling your attention
    Note
    1x HV joint, 150µΩ or less
  43. Secure shunt harness branch onto tray
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    Note
    1x clip
  44. Connect fast charge contactor
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    Note
    1x connector, Push on both side of connector to release tabs and pull upward
  45. Connect shunt assembly
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    Note
    1x connector
  46. Measure the voltage across the pyrotechnic battery disconnect mount points, and then install the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Structural Pack) (Remove and Install).
  47. Inspect ancillary bay phantom seal to verify no damage is present
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    Note
    If damage is present, Replace ancillary bay phantom seal
  48. Install ancillary bay cover onto HV battery
    Informational PurposesAn informational icon, calling your attention
    Note
    Recommend assistance, Guide LH side in, Maneuver cover past body casting and into position with charge port components
  49. Install perimeter bolts securing ancillary bay to HV battery
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    Note
    22x captured bolts, EPL 10, 5 Nm, Thread bolts in evenly and torque
  50. Secure doubler and install fasteners securing charge port header to ancillary bay cover
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    Note
    2x bolts, 10 EPL, 10 Nm, Secure doubler onto header and install bolts, Take note of small tabs on shielding
  51. Install fasteners securing PCS LVDC header to ancillary bay cover
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    Note
    3x bolts, T20, 2.5 Nm
  52. Install fasteners securing ancillary bay cover to high voltage controller
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    Note
    3x bolts, E10, 10 Nm
  53. Install NVH insulation onto ancillary bay cover
  54. Connect power connector to HV battery
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    Note
    1x connector, Push red locking tab down to secure connection
  55. Connect HVC logic connector
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Pivot handle upward to engage connector and secure locking tab, Remove cap if needed
  56. Clean busbar HV connector contact surface of residual Penetrox
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    Note
    Allow 1 minute dry time after removing Penetrox, It is necessary to clean HV connector during re-use of busbar
  57. 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
  58. 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
  59. Position busbar kit connector and lower onto HV header
  60. Install bolts securing charge port busbar kit to HV Header
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 10mm, 9 Nm
  61. 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, The 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), there is too much resistance in the High Voltage joint. Remove the fastener, clean areas with isopropyl alcohol, install fastener back and test again.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
  62. Install fastener securing busbar cover access door
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    Note
    1x bolt, 10mm, 9 Nm
  63. Remove HV insulating gloves
  64. Engage LH body harness onto rear body
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    Note
    1x clip
  65. Raise vehicle fully and lower lift onto locks
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    Note
    Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
  66. Secure RDU HV harness onto HV battery
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    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
  67. Apply Loctite 222 onto mid aero shield bolts and install mid aero shield
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    Note
    11x bolts, 10mm, 5 Nm, Fasteners may vary, Model Y Structural Pack will one less bolt and one extra clip
  68. Install push clips at left and right wheel house liner to mid aero shield
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    Note
    2x clips
  69. Lower vehicle fully
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    Note
    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
  70. Connect first responder loop and leave LV battery disconnected
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    Note
    1x connectors, Secure FRL only, Leave LV battery disconnected
  71. Connect 12V maintainer
    Informational PurposesAn informational icon, calling your attention
    Note
    Release positive terminal cover, Connect 12v maintainer to positive terminal and chassis ground, Leave LV battery disconnected
  72. Remove HVC bolt
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, E10, 5 Nm + 30 degrees
  73. Connect to vehicle using Toolbox 3.0
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    Note
    Vehicle connection is integrated into drivers footwell cover, Open Toolbox 3 website and establish connection to the vehicle. https://toolbox.teslamotors.com, Select connection status icon at top right corner, and select connect locally (icon will turn green when vehicle is connected)
  74. Place holder- Reference hex value from provided document
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    Note
    Use CTRL + F to search for VIN and then reference the hex value at the right column, Location of document TBD
  75. Select ‘Actions/Autodiag’, and search for ‘HVP write shunt ohm'
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    Note
    https://toolbox.teslamotors.com/dashboards/users?view=sessions&query=repair_network.ODIN_HVP_WRITE_SHUNT_OHM&searchType=actions
  76. Select ‘ vehicle environment ’, click ‘Run’, and allow routine to complete
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    Note
    Continue to follow routine
  77. Type shunt resistance in hex format into the pop up window and select "Run Network"
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    Note
    If value is "0x6229", format to enter is 00006229
  78. Remove ethernet cable from Ethernet port to disconnect Toolbox 3.0 from vehicle
  79. Write shunt resistance value and date onto top of ancillary bay cover for future reference
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    Note
    Resistance value is also on the spreadsheet or can be converted from Hex to Decimal through Google
  80. Install HVC bolt
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    Note
    1x bolt, E10, 5 Nm + 30 degrees
  81. Disconnect 12v maintainer
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    Note
    Unplug maintainer and release connections from vehicle, Re-secure positive terminal cover
  82. Connect LV battery
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    Note
    1x connector, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated
  83. Install HEPA filter assembly
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    Note
    2x bolts, 10mm, 5 Nm, Pivot forward edge down past frunk assembly, then carefully move rear edge past brake reservoir and into position
  84. Install washer tank neck to washer tank
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    Note
    1x O-ring, Ensure washer hose is properly routed after installation
  85. Secure frunk to washer fluid reservoir neck
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    Note
    1x bolt, 10mm, 5 Nm
  86. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  87. Install the RH 2nd row seat back. See Seat Back - 2nd Row - RH (Remove and Replace).
  88. Install the RH lower c-pillar trim. See Trim - C-Pillar - Lower - LH (Remove and Replace).
  89. Install the LH 2nd row seat back. See Seat Back - 2nd Row - LH (Remove and Replace).
  90. Install the LH lower c-pillar trim. See Trim - C-Pillar - Lower - LH (Remove and Replace).
  91. Install clips securing rear main cabin carpet to vehicle
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    Note
    3x push clips
  92. Install the 2nd row lower seat cushion. See Seat Cushion - Lower - 2nd Row (Remove and Replace).
  93. Move LH front seat to original position
  94. Move RH front seat to original position
  95. Exit Service Mode through UI
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    Note
    Controls > Service Mode > Exit Service Mode
  96. Remove vehicle from lift
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    Note
    Lower rack arms fully and remove from under vehicle
  97. Raise all four windows
  98. Close all four doors
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    Note
    If 12V is powered up, Unlatch rear doors before closing