2020 Toyota Corolla Fuses and Fuse Box Diagram User Guide
The 2020 Toyota Corolla fuse box diagram is covered in this guide. Troubleshooting electrical issues and maintaining vehicle performance requires fuse placement and function knowledge. Learn fuse specs, layouts, and replacement suggestions.
2023 Toyota Corolla Specs, Price, Features, and Mileage (Brochure)
Video: 2020 Toyota Corolla Fuses
Checking and replacing fuses
If any of the electrical com-ponents 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 tabs in and lift the lid off. - Engine compartment: type B fuse box
Push the tabs in and lift the lid off. - Under the driver’s side instrument panel
Remove the lid.
Make sure to push the claw when removing/installing the lid.
- Engine compartment: type A fuse box
- Remove the fuse with the pullout tool.
Only type A fuse can be removed using the pullout tool.
- Check if the fuse is blown.
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 A
- Normal fuse
- Blown fuse
- Type B
- Normal fuse
- Blown fuse
- Type C
- Normal fuse
- Blown fuse
- Type D
- Normal fuse
- Blown fuse
- Type E
- Normal fuse
- Blown fuse
- Type A
2023 Toyota Corolla Specs, Price, Features, and Mileage (Brochure)
After a fuse is replaced
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When installing the lid, make sure that the tab is installed securely.
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If the lights do not turn on even after the fuse has been replaced, a bulb may need replacement.
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If the replaced fuse blows again, have the vehicle inspected by your Toyota dealer.
If there is an overload in a cir-cuit
The fuses are designed to blow, pro-tecting the wiring harness from damage.
When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this vehicle. Because certain bulbs are con-nected to circuits designed to pre-vent overload, non-genuine parts of parts not designed for this vehicle may be unusable.
WARNING
- To prevent system break-downs and vehicle fire
Observe the following precau-tions. Failure to do so may cause dam-age to the vehicle, and possibly a fire or injury.-
Never use a fuse of a higher amperage rating than that indi-cated, or use any other object in place of a fuse.
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Always use a genuine Toyota fuse or equivalent.
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Never replace a fuse with a wire, even as a temporary fix.
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Do not modify the fuses or fuse boxes.
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NOTICE
- Before replacing fuses
Have the cause of electrical over-load determined and repaired by your Toyota dealer as soon as possible.
FAQs
The fuse box is typically located either under the driver’s side kick panel or under the hood, depending on the specific model and trim level.
Accessing the fuse box is typically done by removing a cover or panel secured with screws or clips, making it readily accessible for inspection and fuse replacement.
The fuses protect various electrical components, including lights, power windows, radio, air conditioning, and more.
You can visually inspect the fuses to see if the metal strip inside is intact. If it’s broken or appears melted, the fuse is likely blown.
Common reasons include electrical system faults, overloads, short circuits, or faulty components like a malfunctioning light bulb or accessory.
Useful Link
View Full PDF: Toyota Corolla 2020 User Manual
2023 Toyota Corolla Specs, Price, Features, and Mileage (Brochure)
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