Nissan Altima 2001 Fuse Replacement
Having an electrical issue? It could be a blown fuse — an easy fix you can do yourself.
Follow the steps below to find and replace the fuse:
Step 1: Find the Fuse Box
In your Nissan Altima 2001, the interior fuse box is typically located under the dashboard on the driver's side. Some vehicles also have an additional fuse box in the engine compartment. Check your owner's manual or the fuse box cover for the exact location.
Step 2: Identify the Corresponding Fuse
Below is the complete fuse list for your vehicle. Find the circuit that isn't working and note the fuse number and amperage.
Instrument Panel Fuse Box
| Fuse # | Function | Amperage |
|---|---|---|
| 1 | Blower Motor | 15 |
| 2 | Blower Motor | 15 |
| 3 | Transmission Control Module (TCM) | 10 |
| 4 | Rear Window Defogger Relay | 20 |
| 5 | Rear Window Defogger Relay | 20 |
| 6 | Air Conditioner Relay, Thermo Control Amplifier | 10 |
| 7 | Heated Oxygen Sensor | 10 |
| 8 | ASCD, Rear Window Defogger Relay, Rear Window Defogger Timer, Data Link Connector, Push Control Unit, Warning Chime, Automatic Transmission Shift Lock Switch, Power Window Relay, Daytime Light, Smart Entrance C/U | 10 |
| 9 | Door Mirror Switch | 10 |
| 10 | Audio, Power Socket Relay, Smart Entrance C/U | 10 |
| 11 | Hazard Switch | 10 |
| 12 | Park/Neutral Position Switch, Speedometer, Tachometer, Fuel Gauge, Warning Lamps, Overdrive Off Indicator Lamp | 10 |
| 13 | Cigarette Lighter (1998-1999: 15A; 2000-2001: 20A) | 20 |
| 14 | Stop Lamp Switch, Transmission Control Module (TCM) | 15 |
| 15 | Not Used | |
| 16 | Not Used | |
| 17 | Fuel Pump Relay | 15 |
| 18 | EVAP Canister Vent Control Valve, Vacuum Cut Valve Bypass Valve, IACV-AAC Valve, Throttle Position Switch | 10 |
| 19 | Front Wiper and Washer System | 20 |
| 20 | Hazard Switch, Multifunctional Remote Control Relay | 10 |
| 21 | Injectors | 10 |
| 22 | Air Bag Diagnosis Sensor Unit | 10 |
| 23 | Not Used | |
| 24 | Key Switch, Room Lamp, Vanity Mirror Illumination, Trunk Room Lamp, Security Indicator Lamp, Combination Meter, Homelink Transmitter, Trunk Lid Opener Actuator, Power Antenna, Data Link Connector (GST 1998-1999) | 10 |
| 25 | EGRC Solenoid Valve, Cooling Fan, Park/Neutral Position Relay, NATS (2000-2001), Theft Warning Relay (1998-1999), Inhibitor Relay | 10 |
| 26 | Engine Control Module, Clutch Interlock Relay, Park/Neutral Position Relay, Daytime Light | 10 |
| 27 | Not Used | |
| 28 | ABS | 10 |
| 29 | Not Used | |
| Relays | Spare | |
| R1 | Rear Window Defogger | |
| R2 | Fuel Pump | |
| R3 | Blower Motor | |
| R4 | Ignition | |
| R5 | Accessory |
Engine Compartment Fuse Box Fuse Box
| Fuse # | Function | Amperage |
|---|---|---|
| 29 | Not Used | |
| 30 | Not Used | |
| 31 | Headlamp (Left), Lighting Switch, Daytime Light, Vehicle Security Lamp Relay | 15 |
| 32 | Headlamp (Right), Lighting Switch, Daytime Light, Vehicle Security Lamp Relay | 15 |
| 33 | Lighting Switch (Parking Lamps, Front Fog Lamp Relay, Cornering Lamps, Tail Lamps, Illumination, Warning Chime, Smart Entrance C/U) | 10 |
| 34 | Audio | 10 |
| 35 | Engine Control Module (ECM), ECM Relay, Cooling Fan Relay 1 | 10 |
| 36 | Not Used | |
| 37 | Generator | 10 |
| 38 | Air Conditioner Relay | 10 |
| 39 | Horn Relay | 10 |
| 40 | Vehicle Security Lamp Relay, Theft Warning Horn Relay (1998-1999) | 10 |
| 41 | 2000-2001: Power Socket Relay | 15 |
| 42 | Front Fog Lamp Relay | 15 |
| 43 | Not Used | |
| 44 | Not Used | |
| B | Accessory Relay (Fuses 9, 13, 19), Ignition Relay (Fuses 3, 7, 8, 11, 12, 18, 28), Blower Relay (Fuses 1, 2) | 80 |
| C | Cooling Fan Relay | 40 |
| D | Cooling Fan Relay | 40 |
| E | Power Seat, Power Window Relay, Smart Entrance C/U | 40 |
| A | Generator, Fuses A, B, C, D, 38, 39, 40, 41, 42, 43 | 100 |
| F | ABS | 40 |
| G | Ignition Switch | 40 |
| H | ABS | 40 |
| J | Fuses 4, 5, 14, 20, 24 | 50 |
Step 3: Check the Fuse
Use the plastic fuse puller, typically found in the fuse box, to remove the fuse. Hold it up to a light source. If the metal filament inside is broken or charred, the fuse is bad and needs to be replaced.
Step 4: How to Get a Replacement
You can buy a replacement fuse at any auto parts store. Make sure you match the **amperage (A)** and **physical size** of the fuse exactly. For example, if you need a 20A fuse, get a 20A fuse.
Step 5: Replace the Fuse
Gently press the new fuse into the empty slot. You should feel a slight click when it's securely in place. Test the affected circuit to confirm it's working again.
What Now?
Fuse Was Blown — What to Buy
Ask at any auto parts store (AutoZone, O'Reilly, Advance Auto) for a blade fuse with the same amperage printed on the old one (e.g., 10A, 15A, 20A). Also match the physical size — mini (most modern cars), standard, or maxi. Replacement fuses cost under $5 and most stores sell assorted packs.
Fuse Looks Fine — Other Causes
If the fuse is intact, the problem isn't a blown fuse. Common alternatives include a bad relay (a click-sized electrical switch), a faulty wiring connection, or a failed component (motor, switch, module). At this point, a mechanic's diagnostic is the most reliable next step.
Frequently Asked Questions
What happens if I put in the wrong amperage fuse?
Higher amperage fuses won't protect the circuit and can cause wiring damage or fire. Lower amperage fuses will blow again immediately. Always match the exact amperage.
Why does my fuse keep blowing?
A repeatedly blown fuse indicates an underlying short circuit or overload. Replacing it again won't fix the root cause — consult a mechanic.
Do I need any tools?
Most cars come with a plastic fuse puller in the fuse box lid. If not, fine-tip needle-nose pliers work. A small flashlight helps.
How do I know what size fuse to buy?
Match the amperage printed on the old fuse (e.g., 10A, 15A, 20A) and the physical blade size (mini, standard, maxi). Auto parts stores carry assorted packs.