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Toyota Avalon Electrical Fuse Replacement Guide
How to check or change a blown electrical fuse or relay in a 4th generation 2013-2017 Toyota Avalon sedan.

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2016 Avalon Fuse Box
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Push In Release Tab
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Rear Retaining Clip

This automotive maintenance tutorial was specifically written to assist owners of the fourth generation (2013, 2014, 2015, 2016, 2017 and probably also the refreshed 2018 model year) Toyota Avalon sedan in checking or changing a blown fuse or a faulty relay in either the engine bay or interior passenger compartment electrical panels.

Owners of other Toyota, Lexus and Scion vehicles such as the Yaris, Corolla, Matrix, Prius, Camry, RAV4, Sienna, Tacoma, Tundra, FJ Cruiser, Venza, Highlander, 4Runner, Sequoia, Land Cruiser, IS 250, IS 200t, IS 300, NX 200t, NX 300h, RX 350, RX 450h, LS 460, LS 600h, ES 350, ES 300h Hybrid, RC F, GS 350, CT 200h, LX 570, GX 460, tC, iA, iM, xB, xD, iQ and FR-S may also find these DIY instructions to be helpful.

This 2016 Avalon is equipped with the relatively newer style of low profile mini blade fuses which can be purchased at any auto parts store, your Toyota dealership or online at Amazon.

A white plastic fuse puller tool should be attached to the underside of the engine bay electrical box cover.

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Lift Off Fuse Box Cover
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Fuse Location Diagram
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Driver Side Dashboard
The first two steps are to open the hood and then move to the right (driver) side of the engine bay.

The engine bay fuse box is located to the right of the 12V automotive battery and the engine air filter box.

Push in the tab on the front of the fuse box cover to release the retaining clip.

Then push in the tab on the rear edge of the fuse box to release the 2nd retaining clip.

Pull the cover straight off the top of the fuse box.

Turn over the cover to view the fuse location diagram. There is also another fuse location diagram in your owner's manual.

A white plastic fuse puller tool should be attached to the underside of the fuse box cover. If the tool is missing you could also use a pair of needle nose pliers with rubber insulated handles.

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Look Under Dashboard
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Interior Fuse Block
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Fuse Location Chart
The interior passenger compartment electrical block is located under the driver's side of the dashboard just above the parking brake foot lever.

Gently pull off the rectangular shaped plastic cover to access the electrical panel.

There is a fuse location diagram on the outside of the cover.



 

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Interior Electrical Panel
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Place Jaws Over Old Fuse
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Pull Out Old Fuse
Squeeze the end of the fuse puller tool to open the jaws.

Place the jaws over the old fuse that you'd like to check or change.

Pull the old fuse straight out of the socket.

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Hold Up To Light Bulb
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Push In New Fuse
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Replace Fuse Puller Tool
To check the old fuse, hold it up to a light source.

If the thin metal bar in the translucent plastic middle part of the old fuse appears to be burnt or broken, then it is probably "blown" and should be replaced with a new one.

If the thin metal band or strip seems to be intact, then the old fuse is probably still good.

Since new fuses are so cheap, it should still be replaced as part of your electrical problem troubleshooting process.

If you suspect that your issue is a faulty relay, you'll need to use a multi-meter tool to check it or you may find it easier to just swap in a new relay of the same amperage rating.

Push a new low profile mini blade fuse of the same amperage rating (e.g. 5A, 10A, 15A, 20A, 25A) straight in to the socket.

Replace the fuse puller tool on the underside of the fuse box cover.

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Push On Fuse Box Cover
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Replace Interior Cover
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Electrical Fuse Replaced
Line up the fuse box cover and gently push it down in to place until you hear or feel the retaining clips "click".

Push the interior fuse panel back in to place.

Check the electrical component you were having issues with such as the headlights, power windows, tail lights, horn, radio, windshield wipers, stereo, radio, A/C (air conditioning) system or the 12V power outlet.

If you are still having the same electrical problem, there might be a shorted wire somewhere or the component itself is faulty and will need to be replaced.

For more, check out all of my Toyota Avalon DIY Repair & Maintenance Guides.
 

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