2019 Lexus ES350 Fuses and Fuse Box | Fix a blown fuse
The 2019 Lexus ES350 has a complex electrical system. The fuses and fuse box are at the heart of this system and play a key role in protecting and controlling the electrical functions throughout the car. The fuse box is placed smartly, usually in the engine compartment or inside the car. It has many fuses that are meant to protect different circuits from electrical overloads. Because they break the circuit in the event of a flash, these fuses protect sensitive parts from damage. A blown fuse is usually the cause of an electrical problem with a certain function. Finding and changing the blown fuse is the only way to fix this problem. Figuring out how the fuse box is organized and what each fuse does is important for quickly fixing electricity issues and keeping the 2019 Lexus ES350 reliable and running at its best.
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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 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: 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
- 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:
Contact your Lexus dealer.
Type A
- Normal fuse
- Blown fuse
Type B
- Normal fuse
- Blown fuse
Type C
- Normal fuse
- Blown fuse
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. (P.335)
- 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, 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.
FAQs
The fuse box in the 2019 Lexus ES350 is typically located in the engine compartment on the driver’s side.
To access the fuse box, open the hood and look for a black box with a removable cover on the driver’s side of the engine compartment.
Most often, a pair of needle-nose pliers or a fuse puller tool is sufficient for removing and replacing fuses.
Inspect the fuses visually, and you will notice a broken or melted metal strip inside the fuse if it’s blown.
Fuses protect electrical components by breaking the circuit when there is a power surge or a short circuit.
Yes, a blown fuse can lead to various electrical problems, such as malfunctioning lights, power windows, or other accessories.
The correct amperage is usually marked on the fuse itself or in the vehicle’s owner’s manual.
The fuse box layout is typically provided in the owner’s manual. If not, diagrams may be available online or from a dealership.
Yes, there are often spare fuses located inside the fuse box cover or nearby.
It’s not recommended to use a higher amperage fuse, as it can lead to damage to the electrical components or even a fire hazard.
A multimeter can be used to test a fuse without removing it. Ensure continuity by checking if there’s a complete circuit through the fuse.
Common reasons for blown fuses include electrical shorts, faulty components, overloading circuits, or issues with the vehicle’s electrical system.
The interior fuse box is typically located in the driver’s side footwell area. Remove the cover to access the fuses.
Yes, replacing a blown fuse is a relatively simple task. However, it’s essential to use the correct replacement fuse and follow safety precautions.
The amperage rating for each fuse is usually marked on the fuse itself.
Useful Link:
View Full PDF: 2019 Lexus ES350 Owner’s Manual | Auto User Guide