Problem Statement
Learn how to diagnose and address issues with the Lane Departure Warning system in your Toyota Highlander. Follow our step-by-step guide for troubleshooting.

Toyota Highlander Fourth Generation (2020-present)
Learn how to diagnose and address issues with the Lane Departure Warning system in your Toyota Highlander. Follow our step-by-step guide for troubleshooting.
For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.
After completing the repair, verify that the issue has been resolved:
To prevent this issue from occurring again:
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Symptoms:
Locate the Camera:
Clean the Camera:
Connect OBD-II Scanner:
Read Codes:
Clear Codes:
Inspect Wiring:
Use a Multimeter:
Following these steps should help you diagnose and potentially repair issues with the Lane Departure Warning system in your Toyota Highlander. If the problem persists after these measures, it is advisable to seek professional assistance to ensure the safety and functionality of the system.