2023 Lexus IS 350 Fuses and Fuse Box User Guide
This Guide covers 2023 Lexus IS 350 Fuses and Fuse Box. Knowing fuse locations and functions helps solve electrical issues and keep your car running smoothly.
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Video: 2023 Lexus IS 350 Fuses
Lexus Checking and Replacing Fuses Guide
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary.
Checking and replacing fuses
- Turn the engine switch off.
- Open the fuse box cover.
Engine compartment: type A fuse box
Push the tab in and lift the lid off.
Engine compartment: type B fuse box
Push the tab in and lift the lid off.
Driver’s side instrument panel
Remove the lid.
Remove the fuse with the pullout tool.
Only type A fuses can be removed using the pullout tool.
Check if the fuse is blown.
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The amperage rating can be found on the fuse box lid.
Type C and D:
Contact your Lexus dealer.
Type A
- Normal fuse
- Blown fuse
Type B
- Normal fuse
- Blown fuse
Type C
- Normal fuse
- Blown fuse
Type D
- Normal fuse
- Blown fuse
After a fuse is replaced
- If the lights do not turn on even after the fuse has been replaced, a bulb may need replacement.
- If the replaced fuse blows again, have the vehicle inspected by your Lexus dealer.
If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
When replacing light bulbs
Lexus recommends that you use genuine Lexus products designed for this vehicle. Because certain bulbs are connected to cir-cuits designed to prevent overload, non-genuine parts or parts not designed for this vehicle may be unusable.
WARNING
To prevent system breakdowns and vehicle fire
Observe the following precautions. Failure to do so may cause damage to the vehicle, and possibly a fire or injury.
- Never use a fuse of a higher amperage rating than that indicated, or use any other object in place of a fuse.
- Always use a genuine Lexus fuse or equivalent. Never replace a fuse with a wire, even as a temporary fix.
- Do not modify the fuses or fuse boxes.
NOTICE
Before replacing fuses
Have the cause of electrical overload determined and repaired by your Lexus dealer as soon as possible.
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How to Replace the Fuses of the 2023 Lexus IS 350
Replacing the fuses in your 2023 Lexus IS 350 is a straightforward process, but it’s important to follow the proper steps to ensure safety and that you replace the correct fuse. Here’s how you can do it:
Materials:
- The new fuse of the correct amperage.
- Fuse puller or needle-nose pliers.
Steps to Replace a Fuse:
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Turn Off the Engine
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Ensure the vehicle is completely off, and remove the key (or turn off the ignition if using push-button start).
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Locate the Fuse Box
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Under the Hood: Open the hood and find the fuse box near the engine bay.
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Inside the Cabin: Some fuses may be located under the dashboard (driver’s side or passenger’s side).
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Remove the Fuse Box Cover
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The cover usually has a diagram indicating each fuse’s function.
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Identify the Blown Fuse
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Look for a fuse with a broken metal strip inside.
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Use the fuse puller (or tweezers) to carefully remove the faulty fuse.
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Insert the New Fuse
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Use a fuse with the same amperage rating as the original.
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Push it into place until it is secure.
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Reattach the Fuse Box Cover
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Ensure the cover is properly secured to prevent moisture and dirt from entering.
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Test the Electrical Component
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Start the car and check if the electrical function (e.g., lights, radio, etc.) is working.
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- Tips:
- Always use a fuse with the correct amperage rating to prevent electrical issues or damage to the vehicle.
Useful Links:
View full PDF: 2023 Lexus IS 350 Owner’s Manual | Auto User Guide
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