Tesla Model S: HV Battery Charge/Discharge - 4th Generation Tool (Out of Vehicle)
Tesla Model S (2012-2025) Service Manual / Battery System / HV Battery Charge/Discharge - 4th Generation Tool (Out of Vehicle)
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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
Starting/Discharging the System
Starting the System
Press the emergency stop button to disable HV systems.
Pull out the display/keyboard/trackpad tray.
Press the red power button to turn on the on-board PC.
Follo
Charging the Battery
Select Manual Mode from the Charge/Discharge Mode menu.
Type the desired SOC in the Target SOC% field, or drag the
Target SO
SEE MORE:
Rear Park Brake Caliper Release
Caution: This method
requires replacing the caliper. To release a stuck caliper without
damaging it, refer to either:
Park Brake Caliper - Release - Harness Tool - Through Calipers
Park Brake Caliper - Release - Harness Tool - Through ECU
Release
Sensor - Wheel Speed - ABS - Front - LH (Remove and Replace)
Warning: If the vehicle
has air suspension, activate "Jack" mode on the touchscreen before
raising and supporting the vehicle.Removal
Remove the road wheel for access
(refer to procedure).
Remove the screws (x3) that secure the wheel
speed sensor harness brac
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