Tesla Model S Owners & Service Manuals

Tesla Model S: Setup

Tesla Model S (2012-2025) Service Manual / Battery System / HV Battery Charge/Discharge - 4th Generation Tool (Out of Vehicle) / Setup

Warning: Only technicians who have been trained in High Voltage Awareness are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 00 (500V) must be worn any time a high voltage cable is handled. Refer to Tech Note TN-15-92-003, "High Voltage Awareness Care Points" for additional safety information.

These instructions are for the 4th generation battery charger/discharger tool. The 4th generation tool has the following features:

  • The serial number includes "G4"
  • The charger/discharger tool has a rectangular load bank connector
  • The load bank has a display below each fan

HV Battery Charge/Discharge - 4th Generation Tool (Out of Vehicle) HV Battery Charge/Discharge - 4th Generation Tool (Out of Vehicle)

Setup

  1. Connect the high voltage components to the charger/discharger tool, using the included harnesses.

    Setup

    Warning: Cover the charger/discharger tool load bank connector with its protective flap when the HV cable is not installed.

    Note: Hot air is exhausted from the rear of the discharger box when the battery is discharging. Position the cables away from the vents on the rear of the discharger to prevent them from being overheated.

  2. Connect the components to the wall outlet, using the included power cables.

    Setup

  3. Connect the signal and communication components, using the included cables. Some cables might already be connected.

    Note: The DB9-RJ45 Ethernet cable should be connected to the "IN" port on the power supply.

    Setup

  4. Connect the low voltage (LV) connector to the battery, using the included harness.

    Setup

  5. Set the front panel control switches to the indicated positions.

    Setup

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