Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Fuse - Power Conversion System - HV Battery- Install

Tesla Model 3 2017-2025 Service Manual / Battery System / HV Battery Electrical Components / Fuse - Power Conversion System - HV Battery (Remove and Replace) / Fuse - Power Conversion System - HV Battery- Install

Install

Fuse - Power Conversion System - HV Battery- Install

  1. 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 fasteners might appear different Generic Measurement - Actual busbars and fasteners might appear different

  1. Use the Hioki resistance meter to measure the resistance at the HV joint between the penthouse bus and the LH side of the power conversion system 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 Generic Measurement - Actual busbars and fasteners might appear different

  1. Use the Hioki resistance meter to measure the resistance at the HV joint between the RH side of the power conversion system 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.

Fuse - Power Conversion System - HV Battery- Install

  1. 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.
  2. Install the pyrotechnic battery disconnect into the penthouse. See Pyrotechnic Battery Disconnect (Remove and Replace).

    READ NEXT:

     Guide - Probing - HV Battery (Remove and Replace)

     Guide - Probing - HV Battery- Remove

    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, 13mm, HV Insulated (1057606-00-A) Magnet, Flexible, HV Insulated

     Guide - Probing - HV Battery- Install

    Install Wipe up any spilled coolant. Caution: Spilled coolant can create an electrical path. Install the HV battery probing guide into the penthouse, and then fasten the clips that attach the

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