How to Troubleshoot Interior Lights in a Toyota Sequoia


The Toyota Sequoia has two rows of dome lights, two vanity lights and access assistance lights on each door. Problems with interior lights can be caused by several malfunctions. It is not difficult to troubleshoot the problem when you're having trouble with your interior lights.

Things You'll Need

  • Flathead screwdriver
  • Replacement bulb
  • Tweezers
  • Check the bulbs in the interior lights. Use the flathead screwdriver to pry off the plastic cover. Inspect the bulbs to see if they are bad. A bulb can be checked by looking at its filament. The two parts should meet; if they are separated, the bulb is bad. If a few of your interior lights don't work, it could be a bulb problem. If none of them work, it is likely not a bulb problem.

  • Locate the fuse boxes. The Sequoia has two fuse boxes, one on the passenger side floorboard kickpanel and on the driver's side just above the parking brake. Remove the cover and examine the fuses. Use the tweezers to pull out the fuses and check them. The fuses that could affect interior lights are 10A fuses. The filament in a blown fuse will be disconnected.

  • Bring the vehicle to your Toyota dealer, if the other options do not work for you. Your Sequoia very likely has a wiring problem somewhere in the vehicle and wiring problems are very difficult to find. The work is recommended for a professional. The short in the wiring will have to be fixed.

Tips & Warnings

  • Do not attempt to diagnose any wiring problem on your own.

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