2022 Toyota Mirai Fuses and Fuse Box | Checking and replacing fuses
A complete joining system is built into the 2022 Toyota Mirai to make sure that all of its electrical parts work properly. The fuse box, which is an important part of this system, is smartly placed in the car. It acts as a central hub and houses the fuses that keep individual lines safe from too much electricity. An important part of maintaining a car is checking the fuses often and changing them if needed. The owner’s manual will tell you exactly how to get to the fuse box, which is usually housed in the cabin or engine compartment. When trying to figure out what’s wrong with the electricity, the switches can be checked one by one. A fuse that looks like it’s blown or broken means it needs to be replaced. To change a fuse, you have to find the broken one, take it with a fuse puller or a pair of pliers, and then put in a new fuse with the same amperage. The electrical systems in the 2022 Toyota Mirai will work smoothly if the fuses are managed properly. This shows how important it is to check the fuses regularly and repair them when they go bad.
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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 power switch off.
- Open the fuse box cover.
Fuel cell unit compartment: type A fuse box
Push the tabs in and lift the lid off.
Fuel cell unit compartment: type B fuse box
Remove the fuel cell unit compartment cover (P.396) push the tabs 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.
Passenger’s side instrument panel
Remove the cover.
Remove the footwell lights connector.
Remove the lid.
Make sure to push the claw when removing/installing the lid.
Trunk
Remove the luggage mat P.352), and while lifting the luggage under the tray, use a flathead screwdriver and remove the clip.
Push the tab in and lift the lid off.
- Remove the fuse with the pullout tool.
Only type A fuse 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 Toyota 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
- 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 Toyota dealer.
If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
WARNING
To prevent system break-downs 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 Toyota 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 the electrical overload determined and repaired by your Toyota dealer as soon as possible.
FAQs
The fuse box in the 2022 Toyota Mirai is typically located in the engine compartment.
To access the fuse box, open the hood of your Mirai and look for the fuse box cover. It is usually labeled.
You may need a fuse puller, needle-nose pliers, or a flathead screwdriver to assist in removing and replacing fuses.
Check the metal strip inside the fuse. If it’s broken or damaged, the fuse is likely blown.
Yes, the fuse box usually contains spare fuses.
The color of the fuse usually indicates its amperage rating.
The fuse box cover or the owner’s manual will have a diagram indicating the fuse positions and their corresponding components.
No, it’s not recommended. Always use the fuse with the specified amperage to avoid damaging the electrical system.
Regularly inspect the fuses during routine maintenance checks or if you notice issues with specific electrical components.
Ensure the vehicle is turned off, and disconnect the battery before inspecting or replacing fuses to avoid electrical shock.
It’s recommended to consult the owner’s manual to ensure you replace the fuse with the correct amperage.
If the problem persists, consult a qualified technician for a thorough electrical system inspection.
Some common issues include malfunctioning lights, power windows, or audio systems, which may be resolved by checking and replacing relevant fuses.
While there’s no strict order, it’s good practice to replace fuses one at a time and test the corresponding component before moving on to the next.
Simple fuse replacements can be done by the owner. However, if you’re unsure or if the issue persists, seeking professional help is advisable.
Useful Link:
View full PDF: Toyota Mirai 2022 User Guide | Auto User Guide
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