02/04/2024 12:32:58

Car Computer (HW4) (Remove and Install)

Correction code 21151031 0.84 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.

  • 2024-04-02: Added torque specification for the bolts that attach the car computer to the bulkhead, and added a step for the installation of such bolts.
  • For HW3 car computer, use correction code 21151001
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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.

Remove

  1. Open the LH front door.
  2. Lower the LH front window.
  3. Open the RH front door.
  4. Lower the RH front window.
  5. Open the hood.
  6. Remove the rear apron.
  7. Power off the vehicle using the touchscreen.
  8. Remove HEPA filter assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 10mm, 5 Nm, Pivot rearward edge up and past brake reservoir, Then lift up to clear frunk assembly
  9. Disconnect the LV battery connector and First Responder Loop.
  10. Remove fresh air intake duct
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 10mm, 4 Nm, 2x clips, 1x pin, Remove bolt, Gently pry pin out from thermal beam, then remove from bulkhead studs
  11. Place absorbent material below car computer coolant hose connection points to collect any spilled coolant
  12. Remove car computer coolant plugs from new car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    2x coolant plugs
  13. Release coolant hoses from car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    2x spring clips
  14. Install coolant plugs into coolant outlets of car computer that is being removed from vehicle
  15. Install plugs to car computer coolant hoses
    Informational PurposesAn informational icon, calling your attention
    Note
    2x plugs, Do not need to engage spring clips
  16. Remove the bolts (x2) that attach the car computer to the bulkhead.
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    Note
    13 mm, 15 Nm
  17. Remove LH IP end cap
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    Note
    3x clips
  18. Remove RH IP end cap
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    Note
    3x clips
  19. Remove RH mid A-pillar assembly
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    Note
    1x clip, 1x tab, Release the upper clip then pull mid A-pillar upward to remove
  20. Remove clip securing RH lower A-pillar trim
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    Note
    1x push clip
  21. Remove RH lower A-pillar trim
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    Note
    6x clips, 2 guide tabs, Pull rear of lower A-pillar upward to release clip then pull rearward to release trim panel
  22. Move the RH front seat back.
  23. Remove RH front floormat
  24. Remove main decor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x screws, T20, 2.3 Nm, 15x clips, 1x center clip, Replace securing clips as needed
  25. Release RH footwell assembly from IP
    Informational PurposesAn informational icon, calling your attention
    Note
    1x screw, T20, 1.2 Nm, 1x push clip, 8x tabs, carefully pull out to release tabs
  26. Remove RH footwell assembly
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    Note
    2x connectors
  27. Remove fasteners securing passenger knee air bag to vehicle
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    Note
    2x screws, T20, 2 Nm, 1x push clip, 4x patch bolts, E10, 8 Nm, Discard patch bolts after removal, Support the knee air bag while lowering, The connector / harness length is very short
  28. Remove passenger knee air bag
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Release locking tab, Then release squib from air bag, Support air bag while disconnecting, Connector release may vary
  29. Disconnect glove box USB cable from car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Depress latch on top of USB cable to release internal latches, then release from car computer.
  30. Remove screws securing glove box assembly to IP carrier
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    Note
    6x screws, T20, 2.3 Nm
  31. Disconnect glove box assembly connectors
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    Note
    3x connectors
  32. Remove the glove box from IP carrier
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    Note
    3x clips
  33. Remove RH console side panel carpet
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    Note
    12x clips, 2x locating pins, Use trim tool starting at top edge to release upper clips, Pull bottom to release remaining clips, Use caution and pull panel straight away from console, if panel is peeled off it could be damaged
  34. Remove clip securing RH front cabin carpet to body
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    Note
    1x clip
  35. Fold RH front cabin carpet rearward
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    Note
    Newer VINs may be equipped with additional foam installed below carpet
  36. Remove the passenger footwell air duct
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    Note
    1x push clip
  37. Remove the RH IP air wave duct
    Informational PurposesAn informational icon, calling your attention
    Note
    2x push clips
  38. Release ground strap from car computer
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    Note
    1x bolt, T25, 4 Nm, Bolt located, Discard bolt after removal
  39. Release connections at LH side of car computer
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    Note
    5x connectors, Release locks on connectors before removal
  40. Disconnect connectors on front side of car computer
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    Note
    2x connectors
  41. Remove car computer mounting fasteners
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    Note
    2x nuts, 13mm, 8 Nm
  42. Partially remove car computer to access RH connectors
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    Note
    Avoid straining harness
  43. Release connectors at RH side of car computer
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    Note
    5x connectors, Release locks on connectors if equipped before removal
  44. Remove board to board jumper
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    Note
    4x connectors, 1x harness clip, This will be installed on new car computer

Install

  1. Install board to board jumper on the car computer
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    Note
    4x connectors, 1x harness clip, Engage locking tabs
  2. Secure connectors at RH side of car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    5x connectors, Engage locks on connectors if equipped
  3. Install car computer to mounting studs
    Informational PurposesAn informational icon, calling your attention
    Note
    2x nuts, 13mm, 8 Nm
  4. Install connectors on front side of car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors
  5. Install connectors at LH side of car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    5x connectors, Engage locking tabs if equipped
  6. Secure ground strap to car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, T25, 4 Nm, Bolt located, Install new bolt
  7. Install the bolts (x2) that attach the car computer to the bulkhead.
    Informational PurposesAn informational icon, calling your attention
    Note
    13 mm, 15 Nm
  8. Remove plugs from car computer coolant hoses
    Informational PurposesAn informational icon, calling your attention
    Note
    2x plugs, Engage spring clips after removal
  9. Secure hoses to car computer coolant inlet/outlet
    Informational PurposesAn informational icon, calling your attention
    Note
    2x spring clips, Perform push-pull-push test to ensure the hoses are fully seated
  10. Remove coolant bottle cap
  11. Fill coolant bottle to base of neck as indicated
  12. Remove absorbent material from below car computer coolant hose connection points
  13. Fold RH main carpet back in place
  14. Install clip securing RH front cabin carpet to body
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  15. Place vehicle in service mode through UI
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    Note
    Select vehicle's badge icon in Controls > Software for four seconds and then type "service" into dialog box And then touch "OK"At last Select ‘X’ at top left of window to close once complete
  16. Select "Start Coolant Air Purge" using the UI
    Informational PurposesAn informational icon, calling your attention
    Note
    Touch time only, wait until coolant pumps stop running (audible noise), Routine Passed will appear, but pumps will run for 10 minutes, If you start next another routine during this time, it will fail, Make sure vehicle is not in "Drive", Routine is still running despite the completed message, Speeds can be monitored in garage under PT Thermal tab, Idle speed = ~1500 RPM, Test will vary speeds from 3500-6500 RPM and actuate valves between SERIES and PARALLEL, Putting vehicle into "Drive" will stop this routine, If speeds hover at 7000 RPM, this indicates the pumps are air locked, perform a vacuum fill, Continue to add coolant and purge until the coolant level reaches between the NOM and MAX Lines on the bottle
  17. Install coolant bottle cap
  18. Install fresh air intake duct
    Informational PurposesAn informational icon, calling your attention
    Note
    1x bolt, 10mm bolt, 4 Nm, 2x clips, 1x pin, Set clips on bulkhead studs, Secure to thermal bar
  19. Install HEPA filter assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x bolts, 10mm, 5 Nm, Pivot forward edge down past frunk assembly, Then carefully move rear edge past brake reservoir and into position, Gently press on RH side of filter to seat seal onto duct, Rework requires new bolts
  20. Install the rear apron.
  21. Close the hood.
  22. Install the RH IP air wave duct
    Informational PurposesAn informational icon, calling your attention
    Note
    2x push clips
  23. Install the passenger footwell air duct
    Informational PurposesAn informational icon, calling your attention
    Note
    1x push clip
  24. Install RH console side panel carpet
    Informational PurposesAn informational icon, calling your attention
    Note
    12x clips, 2x locating pins, Position side panel and align the front locator, then the rear locator, Push side panel towards console to install
  25. Connect glove box assembly connectors
    Informational PurposesAn informational icon, calling your attention
    Note
    3x connectors, Puddle lamp harness routing prevent blocking movement of pawls
  26. Install glove box into IP carrier
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips
  27. Install screws securing glove box assembly to IP carrier
    Informational PurposesAn informational icon, calling your attention
    Note
    6x screws, T20, 2.3 Nm
  28. Connect glove box USB cable to car computer
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Connector count may vary depending from config
  29. Install passenger knee air bag
    Informational PurposesAn informational icon, calling your attention
    Note
    1x connector, Engage locking tab, Use caution not to damage connector/harness, Support air bag while connecting connector
  30. Install fasteners securing passenger knee air bag to vehicle
    Informational PurposesAn informational icon, calling your attention
    Note
    4x patch bolts, E10, 8 Nm, 2x screws, T20, 2 Nm, 1x push clip, Install new patch bolts
  31. Position RH footwell assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x connectors
  32. Secure RH footwell assembly onto IP
    Informational PurposesAn informational icon, calling your attention
    Note
    1x screw, T20, 1.2 Nm, 1x push clip, 8x tabs, carefully align tabs and push to secure in place
  33. Install main decor assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    2x screws, T20, 2.3 Nm, 15x clips, 1x center clip, Replace securing clips as needed
  34. Install LH IP end cap
    Informational PurposesAn informational icon, calling your attention
    Note
    3x clips
  35. Install RH lower A-pillar trim
    Informational PurposesAn informational icon, calling your attention
    Note
    6x clips, 2x locating pins, Align front locating pin first
  36. Install clip securing RH lower A-pillar trim
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip
  37. Install RH IP end cap
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    Note
    3x clips
  38. Install RH mid A-pillar assembly
    Informational PurposesAn informational icon, calling your attention
    Note
    1x clip, 1x tab, Align the bottom tab then push the top clip to fully seat mid A-pillar, Make sure the seal seat on top of the trim
  39. Install RH front floor mat
  40. Move the RH front seat to its original position.
  41. Raise all four windows
  42. Close all four doors
    Informational PurposesAn informational icon, calling your attention
    Note
    If 12V is powered up, Unlatch rear doors before closing