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Home >> Land Rover >> 2022 >> Defender 110 S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Battery, Mounting And Cables - Vehicles With: PHEV -- Defender/L663) >> Battery, Mounting And Cables - Vehicles With: PHEV (G2608197) >> General Procedures >> PHEV Power Down/Up - Handheld (G2910403) >> DEPOWER

PHEV Power Down/Up - Handheld (G2910403): DEPOWER

WARNING: This page is about a different variant/trim than selected.
WARNING:
  • It is the responsibility of the Electric Vehicle Authorised Person (EVAP) or the Electric Vehicle Senior Authorised Person (EVSAP) to make sure they comply with any local legislation regarding working with High Voltage (HV) within this procedure.
  • This procedure must be completed in the exact sequence shown. Failure to do so could result in serious personal injury.
  • This procedure requires the use of class 0 Personal Protective Equipment (PPE), all persons involved in this procedure must have read and understood the PPE  requirements as detailed in ELECTRIC VEHICLE SAFETY RULES (G2324544) .
  • The approved PPE  must be worn where indicated by the orange PPE  icons within this procedure, all persons involved in this procedure must have read and understood ABOUT THIS MANUAL (G2255554) before continuing.
  • All safety locking device keys must be kept in the designated key lock box at least 5 meters away from the vehicle.
NOTE:
  • This procedure contains some variation in the illustrations depending on the vehicle specification, but the essential information is always correct.
  • This procedure contains illustrations showing certain components removed to provide extra clarity.
  1. WARNING: Jaguar Land Rover (JLR) EVAP  trained technicians only.
    G12528295Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    This procedure involves working on EV  systems containing HV  . Only technicians qualified to EVAP  level or higher are allowed to perform this procedure. It is mandated that the entire power down/up procedure is completed by a single EVAP  only, all technicians involved with the steps in this procedure must have read and understood the EV  Safety Rules.

    Refer to: ELECTRIC VEHICLE SAFETY RULES (G2324544)  .

  2. All steps showing the Safety Accompanying Person icon require an Electric Vehicle Competent Person (EVCP) within the vicinity of the power down procedure. This person must have access to the safety hook at all times.
  3. Raise and support the vehicle on a suitable 2 post lift.

    Refer to: JACKING AND LIFTING

  4. G15311089Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Position the EV  safety barrier around the vehicle at a minimum distance of 1 meter to all points on the vehicle.

  5. Before handling any HV  connectors, the EVAP  must refer to the HV  electrical connector operation and inspector document.
  6. WARNING: If any Diagnostic Trouble Code(s) (DTC) relating to the HV  system are present, the vehicle must be quarantined.
    • Check the instrument cluster for warning symbols and messages.
    • Use the approved JLR  approved diagnostic equipment to complete a diagnostic check on the vehicle for any stored DTC  relating to the HV  system.

      General Equipment: Jaguar Land Rover approved diagnostic equipment 

    • If necessary, quarantine the vehicle and follow the approved process.
  7. Make sure that the vehicle is in PARK, the Electric Park Brake (EPB) is released, the ignition is switched off and the doors are unlocked.
  8. G14070320Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove all smart keys from the vehicle and store at least 5 meters away from the vehicle, locked in the designated key box. Press the ignition switch to verify that there is no communication with the smart key.

    Special Tool(s): JLR-415-018 

  9. G11702074Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Make sure that the appropriate sign is displayed on the vehicle windshield. The sign should state that:
    • The vehicle HV  electrical system is operational.
    • The vehicle HV  electrical system is active.
  10. WARNING: All external 12 volt sources must be disconnected from the vehicle before proceeding.

    Make sure that all external 12 volt sources are disconnected from the vehicle. For example; towbar sockets, 12 volt accessory sockets and charging points.

  11. WARNING: Work must not be completed on the EV  while connected to an external HV  power source. Failure to follow this instruction may result in serious personal injury.

    Disconnect any external HV  power source from the vehicle.

  12. G15311092Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Apply the protective sticker to the charge flap on the vehicle as shown in the illustration, make sure the charge flap can not be opened when applied.

    Special Tool(s): JLR-415-024 

  13. Disconnect the 12 V system.

    Refer to: 12V SYSTEM DISCONNECT AND CONNECT

  14. G15310764Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the electrical connector from the Battery Monitoring Sensor (BMS) sensor.

  15. WARNING: The key must be placed in the designated key box and secured by the responsible EVAP  .
    G15310765Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Open the lid of the special tool.

      Special Tool(s): JLR-415-098 

    • Install the startup battery ground cable into the special tool.
    • Close the lid of the special tool.
    • Lock the special tool using an insulated padlock.

      General Equipment: Insulated padlock 

  16. G15311095Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Remove the 4 bolts.
    • Remove the luggage compartment floor trim.
  17. G15311096Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Remove the nut.
    • Disconnect the ground cable.
  18. WARNING: The key must be placed in the designated key box and secured by the responsible EVAP  .
    G15311097Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Install the ground cable into the special tool.

      Special Tool(s): JLR-415-132 

    • Lock the special tool using an insulated padlock.

      General Equipment: Insulated padlock 

  19. G15311098Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the electrical connector from the auxiliary battery.

  20. Remove the left undershield.

    Refer to: LEFT UNDERSHIELD

  21. G15311099Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Open the cover.
    • Remove the nut.
    • Disconnect the Direct Current to Direct Current (DC/DC) cable.
  22. WARNING: The key must be placed in the designated key box and secured by the responsible EVAP  .
    G15311100Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Open the lid of the special tool.

      Special Tool(s): JLR-415-098 

    • Install the DC/DC  cable into the special tool.
    • Close the lid of the special tool.
    • Lock the special tool using an insulated padlock.

      General Equipment: Insulated padlock 

  23. G14517606Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the electrical connector.

  24. G14517607Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the Master Service Disconnect (MSD).

  25. WARNING: The key must be placed in the designated key box and secured by the responsible EVAP  .
    G14517608Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Rotate the locking tabs.

      Special Tool(s): JLR-415-117 

    • Install the lock-off tool.
    • Engage the locking tabs.
    • Install the insulated padlock.

      General Equipment: Insulated padlock 

  26. G14070320Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Place the MSD  and all padlock keys in the designated key box and lock securely. The key to the lock box must be kept by the EVAP  . Refer to the EV  Safety Rules for further instructions if required.

  27. WARNING: If this step is not followed there could potentially be residual voltage in the HV  system.
    G11702044Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Allow a minimum of 5 minutes for the HV  system to completely discharge.

  28. G14517611Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Release the wiring harness clip.
    • Disconnect the HV  traction circuit electrical connector.
  29. WARNING: The key must be placed in the designated key box and secured by the responsible EVAP  .
    G14517516Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Install the special tool to the HV  battery connector.

      Special Tool(s): JLR-415-114 

    • Lock the special tool using an insulated padlock.

      General Equipment: Insulated padlock 

  30. G14517659Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the HV  auxiliary circuit electrical connector.

  31. WARNING: The key must be placed in the designated key box and secured by the responsible EVAP  .
    G14517660Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Install the special tool to the HV  battery connector.

      Special Tool(s): JLR-415-115 

    • Lock the special tool using an insulated padlock.

      General Equipment: Insulated padlock 

  32. G14919100Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the traction shunt to the traction breakout box as illustrated.

    Special Tool(s): JLR-415-134  , JLR-415-135 

  33. G15311111Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the Fluke® 1507 to test the continuity between HV  + and HV  - terminals.
    • The result should be 440kΩ ± 5kΩ.
  34. G14919100Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the traction shunt from the traction breakout box as illustrated.

  35. WARNING: Make sure that the voltage indicator is checked to be working correctly before using it on EV HV  system.
    G14919088Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Complete a self test on the voltage indicator before and after each voltage check on any system.

  36. WARNING: There is no requirement to switch on the voltage tester, it will startup automatically when voltage is detected.
    G14919089Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • The voltage testing equipment must be tested using the voltage proving unit.
    • Install the voltage tester into the voltage proving unit as illustrated.
    • The displayed LEDs should match the illustration.
  37. G14919103Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the traction breakout box to the HV  traction circuit electrical connector.

  38. WARNING: There is no requirement to switch on the voltage tester, it will startup automatically when voltage is detected.
    G15311116Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Use the voltage tester to test for voltage at the HV  + and HV  - terminals.

  39. G15311117Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the voltage tester to test for voltage between HV  + terminal and the ground terminal in the illustration
    • The voltage tester should record no result.
  40. G15311118Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the voltage tester to test for voltage between HV  - terminal and the ground terminal in the illustration
    • The voltage tester should record no result.
  41. G14919103Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the traction breakout box from the traction circuit electrical connector.

  42. G14919100Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the traction shunt to the traction breakout box as illustrated.

    Special Tool(s): JLR-415-134  , JLR-415-135 

  43. G15311111Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the Fluke® 1507 to test the continuity between HV  + and HV  - terminals.
    • The result should be 440kΩ ± 5kΩ.
  44. G14919100Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the traction shunt from the traction breakout box as illustrated.

  45. G14919090Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the auxiliary shunt to the auxiliary breakout box as illustrated.

    Special Tool(s): JLR-415-136  , JLR-415-137 

  46. G15311124Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the Fluke® 1507 to test the continuity between HV  + and HV  - terminals.
    • The result should be 440kΩ ± 5kΩ.
  47. G14919090Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the auxiliary shunt from the auxiliary breakout box as illustrated.

  48. WARNING: Make sure that the voltage indicator is checked to be working correctly before using it on EV HV  system.
    G14919088Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Complete a self test on the voltage indicator before and after each voltage check on any system.

  49. WARNING: There is no requirement to switch on the voltage tester, it will startup automatically when voltage is detected.
    G14919089Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • The voltage testing equipment must be tested using the voltage proving unit.
    • Install the voltage tester into the voltage proving unit as illustrated.
    • The displayed LEDs should match the illustration.
  50. G14919093Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the auxiliary breakout box to the HV  auxiliary circuit electrical connector.

  51. WARNING: There is no requirement to switch on the voltage tester, it will startup automatically when voltage is detected.
    G15311116Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Use the voltage tester to test for voltage at the HV  + and HV  - terminals.

  52. G15311117Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the voltage tester to test for voltage between HV  + terminal and the ground terminal in the illustration
    • The voltage tester should record no result.
  53. G15311118Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the voltage tester to test for voltage between HV  - terminal and the ground terminal in the illustration
    • The voltage tester should record no result.
  54. G14919093Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the auxiliary breakout box from the auxiliary circuit electrical connector.

  55. G14919090Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Install the auxiliary shunt to the auxiliary breakout box as illustrated.

    Special Tool(s): JLR-415-136  , JLR-415-137 

  56. G15311124Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the Fluke® 1507 to test the continuity between HV  + and HV  - terminals.
    • The result should be 440kΩ ± 5kΩ.
  57. G14919090Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Remove the auxiliary shunt from the auxiliary breakout box as illustrated.

    • If the Hybrid/Electric Vehicle Power Down has resulted in passed voltage tests, proceed to step 60.
    • If the Hybrid/Electric Vehicle Power Down has resulted in a failed voltage test, place the vehicle in quarantine as detailed in step 59 and contact JLR  Technical Assistance (TA).
  59. G11702058Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Quarantine the vehicle and contact JLR TA  .

      Refer to: ELECTRIC VEHICLE QUARANTINE 

    • Make sure that the appropriate sign is displayed on the vehicle, where it is clearly visible. The sign should state that:
    • Danger electrical system live. 
    • Vehicle electrical system live. 
  60. G11702064Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Make sure that the appropriate sign is displayed on the vehicle, where it is clearly visible. The sign should state that:
    • Re-work is in progress.
    • The vehicle high voltage electrical system is disabled and safe to work on.
    • The vehicle high voltage electrical system is isolated.
  61. NOTE: Only an EVAP  trained technician can issue a Permit To Work (PTW).

    A PTW  can now be issued by the EVAP  using the instruction detailed in the EV  safety rules.

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