Fuse Diagram and Relay: 2019 Nissan Altima Fuses Guide (2024)

Fuse Diagram and Relay: 2019 Nissan Altima Fuses Guide

A car’s electrical system is made up of many complicated parts, and it’s important to know how they all work together in order to do upkeep and fix problems. We will look at the 2019 Nissan Altima’s fuse diagram and relay layout in this help. Fuses are very important for protecting different electrical systems from damage that could happen from too much electricity. In the Nissan Altima, the fuses and relays are carefully placed to protect important parts like the lights, power windows, and the car’s computer systems. For Altima owners, understanding the fuse diagram and relay setup is very helpful for fixing electrical problems quickly and making sure their car runs smoothly. The goal of this guide is to give you a clear and concise overview of how the 2019 Nissan Altima’s fuses and relays are set up, giving you the tools you need to do responsible car maintenance.

2023 Nissan Altima Specs, Price, Features and Mileage (Brochure)

FUSES

If any electrical equipment does not operate, check for an open fuse.

Fuses are used in the passenger and engine compartments. Spare fuses are provided and can be found in the passenger compartment fuse box.

When installing a fuse make sure the fuse is installed in the fuse box securely.

ENGINE COMPARTMENT

WARNING
Never use a fuse of a higher or lower amperage rating than that specified on the fuse box cover. This could damage the electrical system or electronic control units or cause a fire.

If any electrical equipment does not come on, check for an open fuse.

1. Be sure the ignition switch and the headlight switch are OFF.
2. Open the engine hood.
3. Remove the fuse box cover by pushing the tab and lifting the cover-up.
4. Remove the fuse with the fuse puller. The fuse puller is located in the centre of the fuse block in the passenger compartment.
5. If the fuse is open A, replace it with a new fuse B.
6. If a new fuse also opens, have the electrical system checked and repaired. It is recommended that you visit a NISSAN dealer for this service.

Fusible links
If the electrical equipment does not operate and the fuses are in good condition, check the fusible links. If any of these fusible links are melted, replace them with only Genuine NISSAN parts.

PASSENGER COMPARTMENT

WARNING
Never use a fuse of a higher or lower amperage rating than that specified on the fuse box cover. This could damage the electrical system or electronic control units or cause a fire.

If any electrical equipment does not operate, check for an open fuse.

1. Be sure the ignition switch and the headlight switch are in the OFF position.
2. Remove the fuse box cover A with a suitable tool. Use a cloth to avoid damaging the trim.
3. Remove the fuse with the fuse puller B.
4. If the fuse is open C, replace it with an equivalent good fuse D.
5. Push the fuse box cover to install.
6. If a new fuse also opens, have the electrical system checked and repaired. It is recommended that you visit a NISSAN dealer for this service.

BATTERY REPLACEMENT

CAUTION
Be careful not to allow children to swallow the battery or remove parts.

NISSAN INTELLIGENT KEY®
Replace the battery in the Intelligent Key as follows:

1. Remove the mechanical key from the Intelligent Key.
2. Insert a small screwdriver A into the slit B of the corner and twist it to separate the upper part from the lower part. Use a cloth to protect the casing.
3. Replace the battery with a new one. Recommended battery: CR2032 or equivalent.
   • Do not touch the internal circuit and electric terminals as doing so could cause a malfunction.
   • Hold the battery by the edges. Holding the battery across the contact points will seriously deplete the storage capacity.
   • Make sure that the + side faces the bottom of the case.
4. Close the lid securely as illustrated with C and D.
5. Operate the buttons to check the op-eration.

It is recommended that you visit a NISSAN dealer for this service if you need assistance with replacement.

FCC Notice
For the USA
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

Note
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

For Canada
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

LIGHTS

HEADLIGHTS
For additional information on headlight bulb replacement, refer to the instructions outlined in this section.

Replacing the halogen headlight bulb
The headlight is a semi-sealed beam type that uses a replaceable headlight (halogen) bulb. They can be replaced from inside the engine compartment without removing the headlight assembly.
If headlight bulb replacement is required, it is recommended that you visit a NISSAN dealer for this service.

CAUTION

• Aiming is not necessary after replacing the bulb. When aiming adjustment is necessary, it is recommended that you visit a NISSAN dealer for this service.
• Do not leave the headlight assembly open without a bulb installed for a long period. Dust, moisture, smoke, etc. entering the headlight body may affect bulb performance. Remove the bulb from the headlight assembly just before a replacement bulb is installed.
• Only touch the base when handling the bulb. Never touch the glass envelope. Touching the glass could significantly affect bulb life and/or head-light performance.
• High-pressure halogen gas is sealed inside the halogen bulb. The bulb may break if the glass envelope is scratched or the bulb is dropped.
• Use the same number and wattage as shown in the chart.

Fog may temporarily form inside the lens of the exterior lights in the rain or in a car wash. A temperature difference between the inside and the outside of the lens causes the fog. This is not a malfunction. If large drops of water collect inside the lens, it is recommended that you visit a NISSAN dealer for this service.

Replacing the LED headlight bulb
If LED headlight bulb replacement is required, it is recommended that you visit a NISSAN dealer for this service.

FOG LIGHTS
For additional information on fog light bulb replacement, refer to the instructions outlined in this section.

Replacing the LED fog light bulb
If LED fog light bulb replacement is required, it is recommended that you visit a NISSAN dealer for this service.

How to Replace a Fuse in the 2019 Nissan Altima

However, replacing a switch is a pretty simple process. This is a general outline of how to do it:

1. Find the fuse box
   • Most homes have a fuse box in the basem*nt, garage, utility room, or close to the electricity panel. To find the switch box in a car, look under the dashboard or in the engine bay.
2. Find the fuse that has blown
   • Find the fuse that has a wire that is broken or that looks different colours. You might need to use a flashlight to see inside a home fuse box. There may be a break in the spark or a melt in the metal strip inside the car.
3. Turn Off Power
   • If you need to change a home fuse, either turn off the main power switch or cut power to the circuit where the fuse is located. If you’re in a car, you can just take the switch out of its box.
4. Remove the Blown Fuse
   • If you have a fuse puller tool, use it. If not, carefully pull out the blown fuse with your fingers. Be careful not to damage the switch box or the parts around it.
5. Pick out a new fuse (step 5)
   • Make sure the fuse you’re using is the right type and grade. The value should be the same as the old fuse. If you use a fuse that doesn’t have the right rating, it could cause electricity problems or even a fire risk.
6. Put in the new fuse
   • Put the new fuse carefully into the empty hole. Make sure it’s firmly in place.
7. Turn On Power:
   • If you turn off the power, do it now.
8. Test the Circuit
   • After putting in the new fuse, make sure everything is working right by testing the circuit. For instance, if you change the fuse in a light bulb, make sure it works by turning it on.
9. Get Rid of the Old Fuse
   • If the old fuse can’t be used again, get rid of it properly according to the rules in your area.

FAQs

Useful Links

View Full PDF: Nissan Altima 2019 User Manual| Auto User Guide

2023 Nissan Altima Specs, Price, Features and Mileage (Brochure)