04/06/2024 18:03:21
DC Input Assembly - HV Battery (Busbar Type) (Remove and Replace)
Correction code 16302402 1.56 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.
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.
Procedure
-
Open all four doors
NoteLatch rear doors to prevent accidental closing when power is down
-
Lower all windows
-
Move LH front seat forward
-
Move RH front seat forward
-
Open hood
-
Remove rear apron
Note14x clips
-
Remove 2nd row seat cushion
Note1x connector, Lift front edge of seat cushion upward to release foam from frame
-
Partially remove LH rear door
seal
-
Remove LH rear sill trim
Note5x clips, Rear edge is mated with groove in trunk side trim, Release clips at the front of LH rear sill trim working your way back towards rear of sill trim
-
Partially remove RH rear door
seal
NotePillar and sill trim have tabs seated underneath seal
-
Remove RH rear sill trim
Note5x clips, Rear edge is mated with groove in trunk side trim, Release clips at the front of RH rear sill trim working your way back towards rear of sill trim
-
Remove clips securing rear main cabin
carpet to vehicle
Note3x push clips
-
Remove fasteners securing 40 seat
frame to body
Note4x bolts, 11mm, 37 Nm, Bottom seat bolts located behind main carpet
-
Fold the 40 seat in down
position
NoteProtect the seat cushion, Do not put weight on seat in folded position without cushion present due to risk of bending the locator tab on the frame
-
Disconnect 40 frame connector
Note1x connector
-
Remove 2R 40 seat assembly from
vehicle
NoteRecommend assistance
-
Remove fasteners securing 60 seat
frame to body
Note5x bolts, 11mm, 37 Nm, Bottom seat bolts located behind main carpet
-
Fold the 60 seat in down
position
NoteProtect the seat back upholstery if necessary, Do not put weight on seat in folded position without cushion present due to risk of bending the locator tab on the frame
-
Disconnect logic connector at LH seat
frame
Note1x connector
-
Remove connector harness clip from LH
seat frame
Note1x clip, engage tabs on clips to avoid damage
-
Remove 2nd row 60 seat assembly from
vehicle
NoteRecommend assistance
-
Power off vehicle from center
display
NoteVia Controls > Safety & Security > Vehicle Power > Power Off
-
Disconnect 12V negative terminal and
first responders loop
Note1x nut, 10mm, 6 Nm, 1x connector, Ensure vehicle is in park, climate control system is off, and vehicle is not charging before disconnecting 12V, Negative terminal should be disconnected before FRL, Allow 2 minutes for all electrical circuits to fully discharge
-
Remove all items from pockets and
ensure not wearing metal items
-
Inspect HV insulating gloves
NoteCheck gloves for damage prior to use, Refer to service document TN-15-92-003 R1, for information on inspecting HV gloves.
-
Put on HV insulating gloves and
leather over gloves
NoteMake sure to wear Electrical Protective Gloves any time Hioki tester is used
-
Remove the bolts securing ancillary bay
probe lid cover to ancillary bay cover
Note2x bolts, EP10 5-Lobe, 6 Nm, Discard after removal
-
Remove the ancillary bay probe lid cover
from the ancillary bay cover
-
Verify no high voltage
NoteMake 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
-
Inspect ancillary bay probe lid cover
gasket then position onto the ancillary bay cover
NoteConfirm no visual damage present
-
Install the bolts securing ancillary bay
probe lid cover to ancillary bay cover
Note2x bolts, EP10 5-Lobe, 6 Nm, Install new rubber washer bolts
-
Remove HV insulating gloves
-
Remove fastener securing busbar cover
access door
Note1x bolt, 10mm, 9 Nm
-
Remove bolts securing charge port
busbar kit to HV header
Note2x bolts, 10mm, 9 Nm
-
Lift busbar kit connector to remove
from HV header
-
Disconnect the HVC logic connector and
install logic cap
Note1x connector, 1x cap, Release locking tab then push the handle downward to release connector
-
Remove fasteners securing ancillary bay
cover to high voltage controller (HVC)
Note4x bolts, E10, 5 Nm + 30 degrees, Discard after removal
-
Remove HVC logic cap
Note1x cap
-
Remove bolts securing ancillary bay cover
to HV battery
Note18x bolts, E10 5-Lobe, 8 Nm, Use E10 5-Lobe socket without magnet, The fasteners are captive and will stay attached to the ancillary bay cover
-
Inspect HV insulating gloves
NoteCheck gloves for damage prior to use, Refer to service document TN-15-92-003 R1, for information on inspecting HV gloves.
-
Put on HV insulating gloves and
leather over gloves
NoteMake sure to wear Electrical Protective Gloves any time Hioki tester is used
-
Remove ancillary bay cover from HV
battery
NoteInspect the ancillary bay for any missing insulators, Install any missing insulators that are accessible before continuing to next step
-
Install the battery pyro and shunt
insulators
Note2x insulators
-
Install the HV joint insulators onto
positive pack contactor
Note2x insulators
-
Install the HV joint insulators to
negative pack contactor
Note2x insulators
-
Install the insulator for DC input
assembly to both fastcharge busbars inlet side
Note1x insulator
-
Install the negative AC inlet terminal
cover
Note1x cover, 3x clips, Use caution as the clips are very easy to damage
-
Install the positive AC inlet terminal
cover
Note1x cover, 3x clips, Use caution as the clips are very easy to damage
-
Install fuses access insulator
Note3x clips
-
Install HVC logic cap
Note1x cap
- Remove the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Remove and Replace).
-
Remove the insulator for DC input
assembly to both fastcharge busbar inlet side
Note1x insulator,
-
Remove bolt securing negative
fastcharge busbar inlet side and negative DC input assembly busbar
Note1x patch bolt, 13mm, 9 Nm, Discard after removal
-
Remove bolt securing positive
fastcharge busbar inlet side and positive DC input assembly busbar
Note1x patch bolt, 13mm, 9 Nm, Discard after removal
-
Disconnect the megaharness connector
from DC input assembly
Note1x connector
-
Remove the bolts securing the busbar
DC input assembly to ancillary bay
Note4x bolts, E10 5-Lobe, 10 Nm, Discard after removal
-
Remove the Busbar DC input assembly
from ancillary bay
-
Install the Busbar DC input assembly
to ancillary bay
NoteEnsure seal is not damaged and seated properly
-
Install the bolts securing the Busbar
DC input assembly to ancillary bay
Note4x bolts, E10 5-Lobe, 10 Nm, Install new bolts, Mark after torque
-
Install the bolt securing negative
fastcharge busbar inlet side and negative DC input assembly busbar
Note1x patch bolt, 13mm, 9 Nm, Mark after torque, Install new patch bolt
-
Install the bolt securing positive
fastcharge busbar inlet side and positive DC input assembly busbar
Note1x patch bolt, 13mm, 9 Nm, Mark after torque, Install new patch bolt
-
Perform Hioki resistance test at the
HV joints of the DC input assembly busbar
Note2x HV joints, 60 𝜇Ω or less, Test from negative fastcharge busbar to negative DC input busbar and positive fastcharge busbar to positive DC input busbar
-
Install the insulator for DC input
assembly to both fastcharge busbars inlet side
Note1x insulator
-
Connect the megaharness connector to
DC input assembly
Note1x connector
- Measure the voltage across the pyrotechnic battery disconnect mount points, and then install the pyrotechnic battery disconnect. See Pyrotechnic Battery Disconnect (Remove and Replace).
-
Clean HVC studs and ancillary bay cover
underside with isopropyl alcohol
Note4x studs
-
Inspect ancillary bay walls for
damage
NoteAny dent or depression in the seal that causes it to not be flat will result in a leak, and cannot be reused, Any paint that comes off the ancillary bay wall, whether or not it sticks to the seal, will require enclosure leak test when reassembled, It can still be reused
-
Inspect ancillary bay cover seal to
confirm it has no visual damage
NoteImage up close for clarity, Delaminated and torn seals cannot be reused
-
Remove HVC logic cap
Note1x cap
-
Position the ancillary bay cover to HV
battery for installation
NoteEnsure all accessible insulators are present, wearing Electrical Protective Gloves is not necessary once all HV components are covered.
-
Install HVC logic cap
Note1x cap
-
Install bolts securing ancillary bay cover
to HV battery
Note18x bolts, E10 5-Lobe, 8 Nm, Use E10 5-Lobe socket without magnet, Fasteners are captive, Follow torque sequence per image
-
Install fasteners securing ancillary bay
cover to high voltage controller (HVC)
Note4x bolts, E10, 5 Nm + 30 degrees, Install new bolts
-
Remove HV insulating gloves
-
Remove logic cap and connect the HVC
logic connector
Note1x connector, 1x cap, Align connector then pull the handle to locking position get connector fully seated
-
Clean busbar HV connector contact
surface of residual Penetrox_x000A_
NoteAllow 1 minute dry time after removing Penetrox, It is necessary to clean HV connector during re-use of busbar
-
Clean HV connector contact surface of
residual Penetrox
NoteAllow 1 minute dry time after removing Penetrox, New busbar comes with Penetrox applied to HV connector
-
Apply Penetrox onto HV connector
joints
NoteApply 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
-
Position busbar kit connector and
lower onto HV header
-
Install bolts securing charge port
busbar kit to HV Header
Note2x bolts, 10mm, 9 Nm
-
Inspect HV insulating gloves
NoteCheck gloves for damage prior to use, Refer to service document TN-15-92-003 R1, for information on inspecting HV gloves.
-
Put on HV insulating gloves and
leather over gloves
NoteMake sure to wear Electrical Protective Gloves any time Hioki tester is used
-
Perform Hioki resistance test at each
HV joint from HV busbar lead to bolt head
Note2x HV joints, The acceptable resistance is between 50 𝜇Ω and 195 𝜇Ω. If the resistance is greater than 195 𝜇Ω, stop work and escalate the Toolbox session. If the resistance is lower than 50 𝜇Ω, reposition the probes and measure again. If the resistance is repeatedly between 0 𝜇Ω and 50 𝜇Ω, hioki test passed, proceed to next step.
-
Remove HV insulating gloves
-
Install fastener securing busbar cover
access door
Note1x bolt, 10mm, 9 Nm
-
Install 2R 40 seat assembly into
vehicle
NoteRecommend assistance
-
Connect 40 seat frame connector to
body harness
Note1x connector
-
Fold the 40 seat into vertical
position
NoteRemove seat cushion protection
-
Secure 40 seat frame to vehicle
Note4x bolts, 11mm, 37 Nm, Bottom seat bolts located behind main carpet, Torque in sequence; Outboard front -> Inboard rear -> Outboard rear -> Inboard front
-
Install RH rear sill trim
Note5x clips, Rear edge is mated with groove in trunk side trim, Install rear edge of RH rear sill trim into trunk side trim and work your way forward securing clips
-
Reseat RH rear door seal
NoteSeat pillar and sill trim tabs underneath seal
-
Install 2nd row 60 seat assembly
NoteRecommend assistance
-
Install connector harness clip to LH
seat frame
Note1x clip
-
Connect logic connector at LH seat
frame
Note1x connector
-
Fold the 60 seat into vertical
position
NoteRemove seat back protection if necessary
-
Install fasteners securing 60 seat
frame to body
Note5x bolts, 11mm, 37 Nm, Bottom seat bolts located behind main carpet, Torque in sequence; Outboard front -> Both inboard rear -> Outboard rear -> Inboard front
-
Install LH rear sill trim
Note5x clips, Rear edge is mated with groove in trunk side trim, Install rear edge of LH rear sill trim into trunk side trim and work your way forward securing clips
-
Reseat LH rear door seal
NoteSeat pillar and sill trim tabs underneath seal
-
Install clips securing rear main cabin
carpet to vehicle
Note3x push clips
-
Install 2nd row seat cushion
Note1x connector, Slide rear cushion rearward then align foam with seat rail, Make sure cushion is fully seated with push & pull test
-
Connect first responder loop and 12V
negative terminal
Note1x nut, 10mm, 6 Nm, 1x connector, Connect FRL first before connecting 12V to avoid damage to car computer
-
Install rear apron
Note14x clips, Hold rear wall of frunk to keep from flexing while engaging front clips
-
Close hood
-
Move LH front seat to original
position
-
Move RH front seat to original
position
-
Raise all windows
-
Close all four doors
NoteUnlatch rear doors before closing