Tesla Model 3 Owners & Service Manuals

Tesla Model 3: ECU - Headlight - Install

Tesla Model 3 2017-2024 Service Manual / Electrical / Exterior Lights / ECU - Headlight (Remove and Replace) / ECU - Headlight - Install

Install

  1. Connect the LH headlight ECU connector, and then position the ECU onto the headlight.

Note: Position the seal to the headlight ECU, if necessary.

Note: Align the electrical connector to the headlight ECU, and then close the locking tab while pushing the connector into the headlight ECU.

Note: Make sure that the electrical connector and locking tab are fully seated.

Note: Press the headlight ECU downward, and then turn it to align the fastener holes and anti-rotating guides.

ECU - Headlight - Install

  1. Install the screws that attach the headlight ECU to the LH headlight assembly. Torque 2.5 Nm
  2. Install the LH headlight assembly. See Headlight - LH (Remove and Replace).
  3. Install the front fascia. See Fascia - Front (Remove and Install).
  4. Install the LH front wheel and the RH front wheel. See Wheel (Remove and Install).
  5. Install the underhood storage unit. See Underhood Storage Unit (Remove and Replace).
  6. Install the hood latch cover. See Cover - Hood Latch (Remove and Replace).
  7. Install the cabin intake duct. See Duct - Cabin Intake (Remove and Replace).
  8. Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace).
  9. If a new headlight ECU has been installed, update the vehicle firmware. Otherwise, skip to the next step.
  10. Adjust the headlights. See Headlights - Adjust - NA (Wall Method).

Headlights - Adjust - EMEA (Tool Method)

Headlights - Adjust - EMEA (Tool Method)

Adjust Headlights Using a Headlight Tester

This procedure is under development and will be available soon.

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