Fuses and Fuse Box: 2020 Lincoln Aviator | Fuses Circuit Diagram
Fuse boxes are an important part of modern cars like the 2020 Lincoln Aviator because they protect different electrical parts from damage that could happen from overloads or short circuits. The fuse box is the name of the specific room that holds these safety devices. Fuse breakers are like electrical guards for your car. They are meant to stop short circuits and other electrical problems before they happen. The fuse box is usually placed in a way that makes it easy to get to. It has many fuses, and each one is responsible for a different electrical connection. This complete system makes sure that if something goes wrong, only the damaged circuit is cut off. This way, the rest of the car’s electrical systems will still work normally. Both car owners and techs need to understand the fuse circuit diagram. It shows where each fuse goes and what it does, which helps with diagnosis and fixing problems. This guide helps people understand the complicated electrical system of the 2020 Lincoln Aviator by showing where the fuses are located and how they connect to the circuits. This makes upkeep and repairs easier.
2023 LINCOLN Aviator Specs, Price, Features, Mileage And Review
FUSE SPECIFICATION CHART
Engine Compartment Fuse Box
WARNING: Always disconnect the battery before servicing high-current fuses.
WARNING: To reduce the risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.
The engine compartment fuse box is under the driver-side leaf screen in the engine compartment. It has high-current fuses that protect your vehicle’s main electrical systems from overloads.
If you disconnect and reconnect the battery, you need to reset some features. See Changing the 12V Battery (page 371).
Note: Replace fuses with the same type and rating. See Changing a Fuse (page 355).
| Fuse or Relay Number | Fuse Rating | Protected Component |
| 1 | 40A | Body control module – battery power in feed 1. |
| 2 | 20A | Not used (spare). |
| 3 | 40A | Body control module – battery power in feed 2. |
| 4 | 30A | Fuel pump. |
| 5 | 5A | The powertrain control module keeps alive power. |
| 6 | 20A | Powertrain control module power. |
| 7 | 20A | Canister vent solenoid. Evaporative leak control module. Exhaust gas heat recovery. Tank pressure control valve. Refueling valve. Vapor blocking valve. Universal exhaust gas oxygen 11. Universal exhaust gas oxygen 21. Catalyst monitor sensor 12. Catalyst monitor sensor 22. Canister purge valve. |
| 8 | 20A | Cooling fan relay coil. Battery interrupt box. Transmission oil pump. Auxiliary coolant pump. Fuel flap door. Engine coolant bypass valve. Active grille shutters. |
| 9 | 20A | Ignition coils. |
| 13 | 40A | Front blower motor relay. |
| 14 | 15A | Transmission oil pump. A/C compressor variable clutch. Engine mounts. Auxiliary pumps. |
| 16 | 15A | Windshield and rear window washer pump relay power. |
| 17 | 5A | Charge status indicator. |
| 18 | 30A | Starter motor. |
| 21 | 10A | Headlamp leveling motors. Adaptive headlamps. |
| 22 | 10A | Electric power-assisted steering module. |
| 23 | 10A | Anti-lock brake system module with integrated park brake. |
| 24 | 10A | Powertrain control module. |
| 25 | 10A | Air quality sensor. Particulate matter sensor. 360-degree camera with park aid. Rear view camera. Blind spot information system. Adaptive cruise control module. |
| 26 | 15A | Transmission control module. |
| 28 | 40A | Anti-lock brake system valves with integrated park brake. |
| 29 | 60A | Anti-lock brake system pump with integrated park brake. |
| 30 | 30A | Driver seat module. |
| 31 | 30A | Passenger seat module. |
| 32 | 20A | Not used (spare). |
| 33 | 20A | Rear cargo area PowerPoint. |
| 34 | 20A | Main console bin PowerPoint. |
| 35 | 20A | Not used (spare). |
| 36 | 40A | Power inverter. |
| 38 | 30A | Climate-controlled seat module. |
| 41 | 30A | Power liftgate module. |
| 42 | 30A | Trailer brake control module. |
| 43 | 60A | Body control module. |
| 44 | 10A | Brake on and off switch. |
| 46 | 15A | Battery charger control module. |
| 50 | 40A | Heated backlight. |
| 54 | 20A | Heated steering wheel. |
| 55 | 20A | Trailer tow park lamps. |
| 57 | 30A | Trailer tow battery charge. |
| 58 | 10A | Trailer tow backup lamps. |
| 61 | 15A | Multi-contour seat module. |
| 62 | 15A | Headlamp washer pump. |
| 64 | 40A | Four-wheel drive module. |
| 69 | 30A | Front window wiper motor. |
| 71 | 15A | Rear window wiper motor. |
| 72 | 20A | Air suspension module. |
| 73 | 30A | Driver door module. |
| 78 | — | Not used. |
| 79 | — | Not used. |
| 80 | 20A | Left-hand front electronic door. |
| 82 | 20A | Right-hand front electronic door. |
| 88 | 20A | Rear blower motor. |
| 91 | 20A | Trailer tow lighting module. |
| 95 | 15A | Integrated spark control. |
| 96 | 15A | Not used (spare). |
| 97 | 10A | Electric A/C. High voltage positive temperature coefficient heater. |
| 98 | 10A | Traction battery coolant proportional valve. |
| 103 | 50A | Not used (spare). |
| 104 | 50A | Not used (spare). |
| 105 | 40A | Not used (spare). |
| 106 | 40A | Not used (spare). |
| 107 | 40A | Not used (spare). |
| 108 | 20A | Not used (spare). |
| 109 | 30A | Passenger door module. |
| 111 | 30A | Body control module voltage quality monitor feed. |
| 112 | 20A | Left-hand rear electronic door. |
| 114 | 50A | Air suspension compressor. |
| 115 | 20A | Amplifier. |
| 116 | 5A | Not used (spare). |
| 118 | 30A | Second-row heated seats. |
| 120 | 15A | Port fuel injectors. |
| 124 | 5A | Rain sensor. |
| 125 | 5A | USB smart charger 1. |
| 127 | 20A | Amplifier. |
| 128 | 15A | Illuminated badge. |
| 131 | 40A | Power folding seat module. |
| 133 | 15A | Left-hand heated wiper blade. Right-hand heated wiper blade. |
| 134 | 10A | Family entertainment system. |
| 136 | 20A | Right-hand rear electronic door. |
| 139 | 5A | USB smart charger 2. |
| 142 | 5A | Traffic cam. |
| 146 | 15A | Battery electronic control module. |
| 148 | 30A | Left-hand headlamp module. |
| 149 | 30A | Right-hand headlamp module. |
| 150 | 40A | Not used (spare). |
| 155 | 25A | Transmission control module. |
| 159 | 15A | DC/DC converter. |
| 160 | 10A | Not used (spare). |
| 168 | 20A | Low voltage service disconnect. |
| 169 | 10A | Coolant pump. |
| 170 | 10A | Traction battery coolant pump. Pedestrian sounder. |
| 177 | 10A | Center console blower. |
Note: Spare fuse amperage may vary.
Passenger Compartment Fuse Panel
The fuse panel is under the instrument panel to the left of the steering column.
Note: It may be easier to access the fuse panel if you remove the finish trim piece.
| Fuse or Relay Number | Fuse Rating | Protected Component |
| 1 | — | Not used. |
| 2 | 10A | Moonroof. eCall. Telematics control unit module. Inverter. Driver door switch pack |
| 3 | 7.5A | Memory seat switch. Wireless accessory charger module. Seat switches. |
| 4 | 20A | Not used (spare). |
| 5 | — | Not used. |
| 6 | 10A | Not used. |
| 7 | 10A | Smart data link connector power. |
| 8 | 5A | Telematics control unit module. Hands-free liftgate actuation module. Power liftgate module. |
| 9 | 5A | Combined sensor module. Keypad switch. Rear climate control. |
| 10 | — | Not used. |
| 11 | — | Not used. |
| 12 | 7.5A | Remote climate control module. Gear shift module. |
| 13 | 7.5A | Steering column control module. Switch interface module A. Smart datalink connector. Instrument cluster. |
| 14 | 15A | Not used (spare). |
| 15 | 15A | SYNC. Electronic finish panel. |
| 16 | — | Not used. |
| 17 | 7.5A | Headlamp control module. |
| 18 | 7.5A | Not used (spare). |
| 19 | 5A | Headlamp switch. Push button ignition switch. |
| 20 | 5A | Telematics control unit module. eCall. Bluetooth low energy module. |
| 21 | 5A | Not used. |
| 22 | 5A | Not used (spare). |
| 23 | 30A | Not used (spare). |
| 24 | 30A | Moonroof. |
| 25 | 20A | Not used (spare). |
| 26 | 30A | Not used (spare). |
| 27 | 30A | Not used (spare). |
| 28 | 30A | Not used (spare). |
| 29 | 15A | Head-up display. |
| 30 | 5A | Trailer brake connector. |
| 31 | 10A | Terrain management switch. Transceiver module. |
| 32 | 20A | Audio control module. |
| 33 | — | Not used. |
| 34 | 30A | Run/start relay. |
| 35 | 5A | Not used (spare). |
| 36 | 15A | Park assist module. Electrochromic mirror. Suspension module. Image processing module A. |
| 37 | 20A | Not used (spare). |
| 38 | — | Not used. |
Note: Spare fuse amperage may vary.
2023 LINCOLN Aviator Specs, Price, Features, Mileage And Review
CHANGING A FUSE
Fuses
WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical components.
Fuse Types
| Callout | Fuse Type |
| A | Micro 2 |
| B | Micro 3 |
| C | Maxi |
| D | Mini |
| E | M Case |
| F | J Case |
| G | J Case Low Profile |
FAQs
Fuses protect electrical circuits from overloading and prevent damage to the vehicle’s components by breaking the circuit when excessive current flows.
Fuses contain a wire that melts when the current exceeds a specified level, breaking the circuit and preventing damage.
The fuse box in a 2020 Lincoln Aviator is typically located in the engine compartment or the interior of the vehicle.
A fuse box houses the fuses and relays, providing a centralized location for controlling and protecting various electrical circuits in the vehicle.
A blown fuse will have a visible break in the metal strip inside. Additionally, the fuse may appear discolored.
The Lincoln Aviator may use standard blade fuses, mini fuses, or cartridge fuses, depending on the circuit.
No, it is not recommended to replace a fuse with a higher amp rating as it could lead to damage or fires. Always use the specified amp rating.
Short circuits, faulty wiring, and malfunctioning components can cause excessive current flow, leading to blown fuses.
Yes, a faulty fuse box or poor connections can lead to electrical issues in the vehicle.
Regularly inspect the fuses and replace any that are blown. If you experience electrical issues, check the fuses as part of the troubleshooting process.
Relays control high-current devices and are used to switch power to various components. They are often found in the fuse box.
Replacing a fuse is a simple DIY task. However, if the same fuse continues to blow, it may indicate a more significant electrical issue that requires professional attention.
It’s a good practice to disconnect the battery when working on the electrical system to ensure safety and prevent accidental shorts.
Useful Link:
View full PDF: 2020 Lincoln Aviator User Manual | Auto User Guide
2023 LINCOLN Aviator Specs, Price, Features, Mileage And Review
Instrument Cluster of Lincoln Aviator 2020 | Tips for Indicators