Fuses Diagram: 2021 Lexus LC 500h Replacing Fuses and Fuse Box User Manual
The position and use of each fuse are shown in the fuse box diagram for the 2021 Lexus LC 500h, which is an essential manual for the car’s electrical system. The fuse box, which is usually found in the interior cabin or engine compartment, acts as a central hub to protect electrical components from overloads and malfunctions. Every fuse’s function is painstakingly described in the schematic, covering everything from safety features and engine management to essential systems like lighting, power windows, and air conditioning. With the help of this visual tool, drivers and technicians can effectively troubleshoot electrical difficulties and ensure that the vehicle’s complex systems operate smoothly. The LC 500h’s extensive fuse box diagram is a prime example of Lexus’s dedication to accessible maintenance and user-friendly design.
2024 Lexus LC Specs, Price, Features, Mileage and Review
Checking and replacing fuses
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 <power switch> off.
- Open the Fuse box cover.
- Engine compartment: type A fuse box (LC500)
Push the tab in and lift the lid off.
- Engine compartment: type B fuse box (LC500h)
Push the tab in and lift the lid off.
- Engine compartment: type C fuse box (LC500h)
Push the tab in and lift the lid off.
- Trunk
Remove the luggage mat.
Push the tab in and lift the lid off.
- Driver’s side instrument panel
Push the tab in and remove the lid.
Make sure to push the tab in during removal or installation.
- Front passenger’s side instrument panel
Remove the cover, and then remove the footwell light connector.
Push the tab in and remove the lid.
Make sure to push the tab in during removal or installation.
- Engine compartment: type A fuse box (LC500)
- Remove the fuse with the pullout tool.
Only type A fuses can be removed using the pullout tool.- LC500
- LC500h
- LC500
- 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
- Type A and B:
After a fuse is replaced
- When installing the lid, make sure that the tab is installed securely.
- 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 circuits designed to prevent overload, nongenuine 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
FAQs
The fuse box in the 2021 Lexus LC 500h is typically located in the engine compartment or within the interior cabin, providing access to essential electrical components.
The fuse box serves as a central hub for fuses, safeguarding the vehicle’s electrical systems by preventing overloads and electrical malfunctions.
The fuse box diagram details the purpose and function of each fuse, specifying which electrical component or system it protects.
Depending on the vehicle’s design, there may be multiple fuse boxes, each responsible for different sets of electrical components, such as lights, power windows, or safety features.
The fuse box diagram helps identify a blown fuse by indicating its location, corresponding number, and the specific component or system it protects. A visually damaged or broken fuse can then be replaced.
Yes, fuses are designed to be easily replaceable. The fuse box diagram aids in locating the appropriate fuse for replacement, making the process straightforward.
Yes, using the incorrect fuse size can lead to electrical issues or damage to the vehicle’s components. The fuse box diagram provides guidance on the appropriate fuse size for each circuit.
Some vehicles may come equipped with spare fuses, or fuse box cover usually indicates their location within the vehicle.
Yes, the fuse box diagram encompasses both interior and exterior electrical components, ensuring a comprehensive guide for troubleshooting.
Absolutely, the fuse box diagram is a valuable tool for diagnosing electrical issues by providing a clear overview of the vehicle’s electrical systems and components.
Yes, Official Lexus websites, automotive forums, and online repair manuals often provide access to fuse box diagrams for specific vehicle models.
It’s essential to disconnect the vehicle’s battery before working with the fuse box to ensure safety. Additionally, using insulated tools and following proper procedures minimizes the risk of electrical shock.
Yes, a fuse box diagram is beneficial for DIY enthusiasts, providing insights into the vehicle’s electrical layout and aiding in safe and accurate modifications or repairs.
Depending on the model and features, there may be a dedicated fuse for the infotainment system, and the fuse box diagram will specify its location and details.
Useful Link
View Full PDF: 2021 Lexus LC 500h Owner’s Manual
2024 Lexus LC Specs, Price, Features, Mileage and Review
Dashboard Symbols: 2021 Lexus LC 500h Instrument Cluster Guide