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Home >> Land Rover >> 2022 >> Defender 90 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 - Complete Vehicle - Pathfinder (G2798213) >> DEPOWER

PHEV Power Down/Up - Complete Vehicle - Pathfinder (G2798213): 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.
    • Check the Instrument Cluster for Warning symbols and messages.
    • WARNING: If any Diagnostic Trouble Code(s) (DTC) relating to the HV  system the vehicle must be quarantined.

      Using the JLR  approved diagnostic equipment 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 any of the following DTC  are stored, do not  continue with the Plug-in Hybrid Electric Vehicle (PHEV) power down/up procedure and follow the approved process for EV  Quarantine.

      Refer to: ELECTRIC VEHICLE QUARANTINE 

    • P0AA1-00 Hybrid/EV Battery Positive Contactor Circuit Stuck Closed. 
    • P0AA4-00 Hybrid/EV Battery Negative Contactor Circuit Stuck Closed. 
    • P0A7E-00 Hybrid/EV Battery Pack Over Temperature. 
    • P0A7E-4B Hybrid/EV Battery Pack Over Temperature. 
    • If any other HV  system related DTC  are stored, these must be  investigated using the JLR  approved diagnostic equipment.
  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 converter (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.
    G14455223Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Allow a minimum of 10 minutes for the HV  system to completely discharge.

  28. G14517659Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Disconnect the HV  auxiliary circuit electrical connector.

  29. 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 

  30. G14517613Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the approved JLR  diagnostic equipment, follow on screen instructions for the Hybrid/Electric Vehicle Power Down - Auxiliary Circuit  application.
    • The image shows the ground point to be used in the pathfinder application. The application will require the following special tools:

      Special Tool(s): JLR-415-134  , JLR-415-135  , JLR-415-136  , JLR-415-137 

    • If the Hybrid/Electric Vehicle Power Down application resulted in passed voltage tests, proceed to step 35.
    • If the Hybrid/Electric Vehicle Power Down application resulted in a failed voltage test, Do not disconnect the special tool from the HV  battery cable. Place the vehicle in quarantine as detailed in step 34 and contact JLR  Technical Assistance (TA).
  31. G14517611Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Release the wiring harness clip.
    • Disconnect the HV  traction circuit electrical connector.
  32. 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 

  33. G14517613Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Use the approved JLR  diagnostic equipment, follow on screen instructions for the Hybrid/Electric Vehicle Power Down - Traction Circuit  application.
    • The image shows the ground point to be used in the pathfinder application. The application will require the following special tools:

      Special Tool(s): JLR-415-134  , JLR-415-135  , JLR-415-136  , JLR-415-137 

    • If the Hybrid/Electric Vehicle Power Down application resulted in passed voltage tests, proceed to step 35.
    • If the Hybrid/Electric Vehicle Power Down application resulted in a failed voltage test, Do not disconnect the special tool from the HV  battery cable. Place the vehicle in quarantine as detailed in step 34 and contact JLR TA  .
  34. 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. 
  35. G11702074Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

    Some electrical circuits in the HV  system remain connected. Therefore, the active sign must remain displayed on the vehicle, where it is clearly visible.

  36. 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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