Tesla Model 3: Fuse - Cabin Heater - HV Battery- Install
Install

- Install the PTC heater fuse to the RH penthouse bus, and then install
new nuts to attach the fuse to the bus.
Torque 2.5 Nm
Generic Measurement - Actual busbars and fasteners might appear
different
- Use the Hioki resistance meter to measure the resistance at the HV joint
between the penthouse bus and the LH side of the PTC heater fuse body .
Note: The maximum acceptable resistance is 0.105 mΩ (105 μΩ). If
the resistance is above this value, escalate a Toolbox session, as appropriate.
Generic Measurement - Actual busbars and fasteners might appear
different
- Use the Hioki resistance meter to measure the resistance at the HV joint
between the RH side of the PTC heater fuse and the respective ring terminal
plating.
Note: The maximum acceptable resistance is 0.145 mΩ (145 μΩ). If
the resistance is above this value, escalate a Toolbox session, as appropriate.

- Install the fuse access insulator on the RH penthouse bus cover, fasten
the clips that attach the insulator to the cover, and lower the high voltage
controller.
- Install the pyrotechnic battery disconnect into the penthouse. See
Pyrotechnic Battery Disconnect (Remove and Replace).
READ NEXT:
SPECIAL TOOLS
Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A)
Ext Bar, Wobble, 1/4" Dr, HV Insulated (1057603-00-A)
Skt, 1/4" Sq Dr, 8mm, HV Insulated (1057604-00-A)
Magnet, Flexible, HV Insulated,
Install
Install the power conversion system fuse to the RH penthouse bus, and
then install new nuts to attach the fuse to the bus.
Torque 2.5 Nm
Generic Measurement - Actual busbars and f
SEE MORE:
SPECIAL TOOLS
Tool, Window Switch Bypass, Model 3 (1135305-00-A)
XP-10 Power Supply, XP-10 (1129348-00-A)
Warning: The side impact airbag deployment depends on the front door
sensor's ability to detect a side impact from air pressure. Make sure that there
are no uncovered holes in the front doo
Remove
Raise and support the vehicle. See
Raise Vehicle - 2 Post Lift
Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Remove the rear underhood apron. See
Underhood Apron - Rear (Remove and Replace).
Remove the cabin intake duct. See
Duct -