2026-06-12
HV Isolation Diagnostics (Standard) (Test)
교정 코드
44000134
메모: 절차에서 명시적으로 언급하지 않는 한 위에 나열된 교정 코드 및 FRT는 연결된 절차를 포함하여 이 절차를 수행하는 데 필요한 모든 작업을 반영합니다. 명시적으로 지시하지 않는 한 교정 코드를 누적하지 마십시오.
참고: FRT와 그 생성 방법에 대한 자세한 내용은 표준 정비 작업시간의 내용을 참조하십시오.
메모: 아래 절차를 수행할 때 개인 보호의 내용을 참조하여 적절한 PPE를 착용했는지 확인하십시오.
참고: 안전하고 건강한 작업 사례는 인체공학적 주의 사항의 내용을 참조하십시오.
경고
이 절차는 초안입니다. 따라서 검증은 되었지만 경고 및 주의 사항이 누락되었을 수 있습니다. 고전압 시스템 및 구성 요소에서 또는 그 근처에서 작업하는 경우에는 안전 요구 사항을 준수하고 최고 수준의 주의를 기울여야 합니다.
경고
Cybertruck의 전자 장치는 효율성을 개선하기 위해 설계된 48V "중간 전압(MV)" 아키텍처로 구동됩니다. MV 구성품을 정비할 때는 부상 및/또는 차량 손상을 피하기 위해 추가적인 지식과 주의가 필요합니다. 전기 사전 주의 사항의 MV 사전 주의 사항을 읽고 이해하며 해당하는 경우 필요한 MV 관련 교육 과정을 이수했는지 확인합니다.
- 2026-05-15: Released new procedure.
- LH 전면 도어를 열고 LH 전면 창문을 내립니다.
- 차량을 들어 올려서 지지합니다. 참조 항목: 차량 상승 - 2 포스트 리프트.
- Connect a laptop with Toolbox to the vehicle. See Toolbox 3(연결 및 연결 해제).
-
Navigate to interactive HV isolation issues diagnosis
참고Vehicle hub>High voltage>Diagnose HV isolation issues
-
Select "Start interactive procedure"
-
Read "HV System Global Check Autodiag" question and select "Yes" to continue
-
Read "HV Awareness" warning and select "Yes" to continue
-
Select the appropriate vehicle platform type and then select "Start interactive procedure"
- 전동식 프렁크를 엽니다.
- 테일게이트를 엽니다.
-
Power down vehicle via UI
참고Verify EPBs are engaged, Select charge port icon to ensure drive state is disengaged then power down vehicle via Controls > Safety > Power Off
- 후면 후드 내 에이프런을 탈거합니다. 참조 항목: Underhood Apron - Rear (Remove and Install).
-
Secure MV battery maintainer and support vehicle
참고1x cover, Secure MV maintainer but leave the Li-ion battery connected, Secure positive terminal to jump post, Secure negative terminal to bolt located between brake fluid reservoir and front trunk, Connect maintainer to power supply, DO NOT allow positive cable to make contact with other metal components, Prevent shorting the cables,Do not have a MV maintainer and the Li-ion battery simultaneously connected for any extended period of time
-
Verify operation of multimeter
참고Set multimeter to DC voltage, Confirm multimeter is properly measuring voltage by testing MV battery, Touch lightly and do not damage terminals
-
Once the vehicle is in service mode plus and a MV battery maintainer is connected click next
-
Run the DCA and DI backup routines via Service mode plus UI then select next
참고Service mode Plus > High voltage > Procedures
-
Confirm vehicle is actively faulting
참고Service mode plus > High voltage > Hv battery > Clear blocked contactors
-
Observe UI for active HV battery low isolation alerts
참고Wait up to 5 minutes while observing for active HV battery low isolation alerts then select "Low isolation alert present" if low isolation alerts are present
- Disconnect Toolbox and remove the laptop from the vehicle. See Toolbox 3(연결 및 연결 해제).
- MV 전원을 연결 해제합니다. 참조 항목: Mid-Voltage Power (Disconnect and Connect) (Modify).
-
Remove MV battery maintainer
참고1x cover, Unplug the maintainer first, then remove positive and negative leads from jump posts, Re-secure any jump post covers
-
Raise vehicle fully
참고Set to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
-
Remove Mid-aero shield
참고Rotate down as far as the battery armor will allow to clear the rear lower control arms, Pull Mid-aero shield out from between battery armor and rear venting bracket, Be careful not to engage any of the breathers during removal
-
Remove all items from pockets and ensure not wearing metal items
참고This includes phones, badges, metal belt buckles airpods and headphones
-
Inspect HV insulating gloves
참고Check gloves for damage prior to use, Refer to service document TN-15-92-003, for information on inspecting HV gloves.
-
Put on HV insulating gloves and leather over gloves
참고Use HV cut resistant insulated gloves or HV insulating gloves and leather over gloves, HV Insulating gloves must be worn any time a Hioki Tester or Hi-Pot Tester is used, Refer to service document TN-15-92-003 R5 for PPE requirements depending on vehicle configuration
-
Remove clips securing AC compressor HV harness
참고3x clips
-
Verify no HV - Install amp clamp to RDU HV harness
참고Verify 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
-
Select next once vehicle HV disablement procedure is completed
-
Select rear drive unit configuration
참고Select "single rear drive unit"
-
Disconnect RDU HV harness
참고1x connector, Release locking tab and rotate release lever up, Do not force release lever up, Ensure alignment tabs on header are not damaged
-
Perform isolation test on LH RDU HV cable at HV battery
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to subframe bolt, Position leads then press test button, Amber light will turn on, Test both terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Enter the lowest stable isolation resistance value recorded in MOhm and then click "next"
-
Read "Heat Pump A/C Compressor + HV Harness' Isolation Tests" panel and select "Finish Later" to prevent timeout error
-
Release A/C compressor HV harness from HV battery
참고1x locking connector, 4x clips, Pull down red locking tab and disengage the release lever, Do not force the release lever up, Number of connections may vary by vehicle configuration
-
Perform isolation test on ancillary HV harness at rear of HV battery
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to subframe bolt, Position leads then press test button, Amber light will turn on, Test all four terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Enter the lowest stable isolation resistance value recorded in MOhm
참고Select "next" to continue
-
Read CP HV Harness FC contactor question and select "Yes" to continue
-
Read "CP HV Harness Isolation Test" panel and select "Finish Later" to prevent timeout error
-
Lower vehicle until tires are touching the ground
참고Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
-
Remove fastener covers from bed floor assembly
참고14x covers
-
Remove bed floor assembly
참고12x short bolts, 15mm, 56 Nm, 2x long bolts, 15mm, 46Nm, Lift front edge with trim tool then remove panel, Recommend assistance
-
Remove bolt securing busbar HV connector lid
참고1x bolt, EP10, 9 Nm
-
Remove bolts securing HV connector to DC FC header
참고2x bolts, 10mm, 9 Nm
-
Release HV connector from DC FC header
참고1x connector, Use inflatable airbag if needed to suspend busbar assembly above ancillary assembly
-
Secure CP busbar connector aside
참고Move connector away from header, Install bags or bungees as needed, Do not open tonneau to prevent damage
-
Perform isolation test on CP HV busbar connector
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to door striker, Position leads then press test button, Amber light will turn on, Test both terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Select "Resume" to continue to "CP HV Harness Isolation Test" panel
참고Read panel and submit resistance to continue
-
Read Ancillary certification question and select "Yes" to continue
-
Read "PCS2 DC Isolation Test" panel and select "Finish Later" to prevent timeout error
-
Connect HV harness connector to AC compressor
- Install the frunk assembly. See Frunk Assembly (Remove and Install).
-
MV 전원을 다시 연결합니다. 참조 항목: Mid-Voltage Power (Disconnect and Connect) (Modify).
-
Unlock fireman's loop connector and disconnect, Slide eCPA to left on the MV battery connector then lift lever to release
참고2x 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
-
Raise vehicle fully
참고Set to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
-
Verify no HV - Install amp clamp to RDU HV harness
참고Verify 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
-
Remove pyro fuse access cover
참고4x bolts, E-Torx 5 lobe, 10 Nm
-
Remove primary pyro fuse
참고2x bolts, 13mm, 5 Nm + 60 Degrees, Support pyro fuse while removing bolts
-
Remove secondary pyro fuse
참고2x bolts, 13mm, 5 Nm + 60 Degrees, Support pyro fuse while removing bolts
-
Lower vehicle until tires are touching the ground
참고Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
-
Clean all debris from ancillary cover
참고During removal of ancillary cover any debris on top of the cover may be deposited into the ancillary bay
-
Disconnect ancillary bay MV connector
참고1x connector, Double locking, Release tab then pivot lever, Release second tab to disengage connector, Wait 1 second between locking tab release to discharge and prevent arcing
-
Support HV Busbar assembly
참고1X Bungee, Suspend assembly to maintain clearance, wrap bungee around busbar assembly to achieve required cord length, Connect bungee to tie down hook on bed side
-
Remove fast charger header doubler
참고2x bolts, E10 5 Lobe Torx, 10 Nm
-
Remove mid voltage header bolts
참고2x bolts, EP10, 6 Nm
-
Release fasteners securing ancillary cover to HV battery
참고22x bolts, E10 5-Lobe, 6 Nm, Use E10 5-Lobe socket without magnet, The fasteners are captive and will stay attached to the penthouse cover, Follow fastening order
-
Remove ancillary cover
참고Install vacuum cup to ancillary cover surface, Lift and maneuver cover around busbar and tonneau cage to remove
-
Disconnect device cluster HV DC harness from PCS
참고1x connector, Release locking tab, Gently pull up
-
Perform isolation test on PCS2 DC connector at ancillary
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to HV battery chassis bolt, Position leads then press test button, Amber light will turn on, Test both terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Enter the lowest stable isolation resistance value recorded in MOhm
참고Select "next " to continue
-
Read "ACJB Isolation Test" panel and select "Finish Later" to prevent timeout error
-
Release ancillary bay MV connector header
참고4x tabs, Move aside as needed
-
Disconnect HVC logic connector
참고1x connector
-
Disconnect negative pack contactor sense connectors
참고2x connectors
-
Disconnect positive pack contactor sense connectors
참고2x connectors
-
Disconnect ACJB HV connector
참고1x connector, Release locking tab, Gently pull up
-
Perform isolation test on ACJB HV connector
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to HV battery chassis bolt, Position leads then press test button, Amber light will turn on, Test both terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Select "Resume" to continue to "ACJB Isolation Test" panel
참고Read panel and submit resistance to continue
-
Read "External Side DC Link Isolation Test" panel and select "Finish Later" to prevent timeout error
-
Perform isolation test on external side of negative and positive pack contactors
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to HV battery chassis bolt, Position leads then press test button, Amber light will turn on, Test both terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Select "Resume" to continue to "External Side DC Link Isolation Test" panel
참고Read panel and submit resistance to continue
-
Read "Internal Side DC Link Isolation Test" panel and select "Finish Later" to prevent timeout error
-
Perform isolation test on internal side of negative and positive pack contactors and pyro disconnect
참고Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to HV battery chassis bolt, Position leads then press test button, Amber light will turn on, Test all four terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Select "Resume" to continue to "Internal Side DC Link Isolation Test" panel
참고Read panel and submit resistance to continue
-
Read "Warm Heat Pump A/C Compressor Isolation Test" panel and select "Finish Later" to prevent timeout error
-
Connect ACJB HV connector
참고1x connector, Secure locking tab
-
Connect positive pack contactor sense connectors
참고2x connectors
-
Connect negative pack contactor sense connectors
참고2x connectors
-
Connect HVC logic connector
참고1x connector
-
Secure ancillary bay MV connector header
참고4x tabs
-
Connect device cluster HV DC harness to PCS
참고1x connector, Secure locking tab
-
Install ancillary cover
참고Use suction cup and maneuver around busbar and tonneau cage
-
Secure ancillary cover fasteners to HV battery
참고22x bolts, E10 5-Lobe, 6 Nm, Use E10 5-Lobe socket without magnet, The fasteners are captive and will stay attached to the penthouse cover, Follow fastening order
-
Install mid voltage header bolts
참고2x bolts, EP10, 6 Nm
-
Install fast charger header doubler
참고2x bolts, E10 5 Lobe Torx, 10Nm
-
Clean HV connector contact surface of residual Penetrox
참고Allow 1 minute dry time after removing Penetrox, New busbar comes with Penetrox applied to HV connector
-
Clean busbar HV connector contact surface of residual Penetrox
참고Allow 1 minute dry time after removing Penetrox, It is necessary to clean HV connector during re-use of busbar
-
Apply Penetrox onto HV connector joints
참고Apply 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 connector and lower onto HV header
참고Release bungee cord
-
Install bolts securing charge port busbar kit to HV Header
참고2x bolts, 10mm, 9 Nm
-
Perform Hioki resistance test at each HV joint from HV busbar lead to bolt head
참고2x 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
-
Install bolt securing busbar HV connector lid
참고1x bolt, EP10, 9 Nm
-
Connect ancillary bay MV connector
참고1x connector, double locking, Rotate lever into 2nd lock, Perform a pull test to ensure connector engaged correctly
-
Raise vehicle fully
참고Set to a comfortable working height, Lower to locks, Ensure locks engage on both sides to prevent tilting
-
Clean pyro fuse mating surfaces
참고Using an insulated tool wipe all four busbar mating surfaces within pyro fuse bay, Wipe top and bottom mating surfaces of each pyro fuse, Ensure no debris is present on any mating surface, Process shown with device cluster removed for clarity and safety, HV gloves and associated PPE must be worn at all times when cleaning mating surfaces, Allow 1 minute for IPA to dry
-
Install secondary pyro fuse
참고2x bolts, 13mm, 5 Nm + 60 degrees, Support pyro fuse while installing bolts, Bolts may be reused
-
Install primary pyro fuse
참고2x bolts, 13mm, 5 Nm + 60 degrees, Support pyro fuse while installing bolts, Bolts may be reused
-
Perform Hioki resistance test at each HV joint from HV busbar lead to pyro fuse busbar
참고4x 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
- Remove HV insulating gloves
-
Install pyro fuse access cover with airlines attached
참고4x bolts, E-Torx 5 lobe, 10 Nm, Ensure seal is fully seated and undamaged, Secure 2 airline mounting clips to HV Battery, If HV pack is being shipped then pyro fuses must be removed
-
Secure A/C compressor HV harness onto battery
참고1x locking connector, 4x clips, Engage locking tab, Do not force lever up, Number of connections may vary by vehicle configuration
-
Connect RDU HV harness
참고1x connector, Verify lever is upright and in open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins
-
Connect LHS RDU HV harness
참고1x connector, Verify lever is upright and in open position, Carefully seat connector and allow lever to engage, Fully secure lever and verify red tab is locked, Do not damage any pins
-
Install clips securing AC compressor HV harness
참고3x clips
-
Install Mid-aero shield
참고6x 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
-
Lower vehicle until tires are touching the ground
참고Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
-
Slide eCPA to the right and ensure it is seated against the black lever, Connect fireman's loop 20 seconds after eCPA engagement
참고2x 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
-
Remove frunk assembly
참고6x bolts, 10mm, 12 Nm, 2x bolt caps, 2x bumpstops, 1x connector, Remove bolt covers from frunk floor, Remove washer fluid cap by gently prying upwards, Rotate bumpstops counter clockwise to release, the 25mm socket from PT Sensor kit can be used, Avoid straining emergency frunk release connector
-
Warm up AC compressor via UI
참고Via Climate Control > ON, Set fan speed to 10, Set temperature to HI or LO, Allow 20 minute run time
-
Turn off the AC and blower motor
-
Unlock fireman's loop connector and disconnect, Slide eCPA to left on the MV battery connector then lift lever to release
참고2x 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
-
Disconnect HV harness connector from AC compressor
참고1x locking electrical connector, Pull red locking tab away from compressor then slide black lock upwards to release
-
Perform isolation test on AC compressor
참고Move HV harness aside as needed, Set insulation meter to 1000V and red lead to resistance (Ω), Secure black alligator clip to shock tower brace, Position leads then press test button, Amber light will turn on, Test both terminals, Make sure to wear proper PPE, Verify voltage drops below 10V after releasing test button
-
Select "Resume" to continue to "Warm Heat Pump A/C Compressor Isolation Test" panel
참고Read panel and submit resistance to continue
-
Read "HV Isolation Diagnostic Debug" results
참고If this panel is reached then screenshot and escalate a Toolbox session, Select "X" at top right of window to close once complete
-
Slide eCPA to the right and ensure it is seated against the black lever, Connect fireman's loop 20 seconds after eCPA engagement
참고2x 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
-
Install rear underhood apron
참고9x clips, Adjust windshield seal as required
-
Close powered front trunk
참고Via exterior switch or UI
-
Install bed floor assembly
참고12x short bolts, 15mm, 56 Nm, 2x long bolts, 15mm, 46Nm, Recommend assistance
-
Install fastener covers onto bed floor assembly
참고14x covers
-
Close tailgate
- ODIN 루틴 실행 PROC_ICE_X_EXIT-SERVICE-MODEvia Toolbox:(link)
-
Remove vehicle from lift
참고Lower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode"
-
Raise LH front window
-
Close LH front door