Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Passthrough - DCDC - 12V- Remove

Tesla Model 3 2017-2024 Service Manual / Battery System / HV Battery Electrical Components / Passthrough - DCDC - 12V (Remove and Replace) / Passthrough - DCDC - 12V- Remove

Passthrough - DCDC - 12V (Remove and Replace)

SPECIAL TOOLS

Skt, 1/4in Dr, 5-Lobe Torx Plus External (1059330-00-B)

Resistance meter, microohm, Hioki RM 3548 (1076927-00-A)

Remove

  1. Remove the high voltage controller. See Controller - High Voltage (Remove and Replace).

Passthrough - DCDC - 12V- Remove

  1. Remove the nut that attaches the positive terminal of the DCDC harness to the positive DCDC passthrough busbar.

Passthrough - DCDC - 12V- Remove

  1. Remove the nut that attaches the negative terminal of the DCDC harness to the negative DCDC passthrough busbar.

Passthrough - DCDC - 12V- Remove

  1. Release the clip and disconnect the DCDC harness from the power conversion system.

Passthrough - DCDC - 12V- Remove

  1. Remove the bolts that attaches the DCDC ground busbar to the body.

Passthrough - DCDC - 12V- Remove

  1. Remove and discard the nut that attaches the DCDC ground busbar to the HV battery, and remove the DCDC ground busbar from the vehicle. Torque 15 Nm

Passthrough - DCDC - 12V- Remove

  1. Remove the bolts that attach the 12V DCDC passthrough to the penthouse, and then remove the 12V DCDC passthrough from the penthouse..

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