Nissan Sentra 2006 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 Sentra 2006, 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 | Audio, Door Mirror Remote Control Switch, Power Socket Relay, Smart Entrance Control Unit (SECU), Satellite Radio Tuner (2004-2006), CD Changer (2005-2006) | 10 |
| 2 | Stop Lamp Switch, Stop lamp, High-Mounted Stop Lamp | 10 |
| 3 | Power Socket Relay | 15 |
| 4 | Rear Window Defogger Relay | 20 |
| 5 | Remote Keyless Entry Relay, Hazard Switch | 15 |
| 6 | Trunk Lid Opener Relay, Trunk Lid Opener Actuator | 10 |
| 7 | Rear Window Defogger Relay | 20 |
| 8 | Heated Oxygen Sensor, Air Flow Ratio Sensor | 15 |
| 9 | 2000-2003: EVAP Canister Vent Control Valve, Vacuum Cut Valve Bypass Valve | 10 |
| 10 | Daytime Light Control Unit, Time Control Unit, Smart Entrance Control Unit (SECU), Power Window Relay, Sunroof Switch, Stop Lamp Switch (QR), Rear Window Defogger Relay, Data Link Connector, ASCD Brake Switch (2002-2006), A/T Device (2000-2003), Trunk Lid Opener Relay 2 (2000), ASCD Control Unit (2000-2002) | 10 |
| 11 | Transmission Control Module (TCM), Revolution Sensor, Turbine Revolution Sensor (QR) | 10 |
| 12 | Key Switch, Combination Meter, Security Indicator Light, Transmission Control Module (TCM), Data Link Connector | 10 |
| 13 | Time Control Unit, Heated Mirror Relay, Trunk Room Lamp, Interior Lamp | 10 |
| 14 | Blower Motor | 15 |
| 15 | 2000-2002: Thermo Control Amplifier 2002-2006: Air Control, Air Conditioning Relay | 10 |
| 16 | Blower Motor | 15 |
| 17 | Injector, Engine Control Module, Fuel Pump Relay | 10 |
| 18 | Air Bag Diagnosis Sensor Unit | 10 |
| 19 | Not Used | |
| 20 | Park and Neutral Position Switch (Automatic Transmission), Immobilizer Control Unit (QR), Clutch Interlock Relay (Manual Transmission), Cooling Fan Relay 1, Cooling Fan Relay 2, Cooling Fan Relay 3 (QR), Throttle Control Motor Relay (2000-2002), EVAP Canister Purge Volume Control Solenoid Valve (2000-2003), Intake Valve Timing Control Solenoid Valve (2000-2002), Swirl Control Valve Control Solenoid Valve (2000-2001), VIAS Control Solenoid Valve (2002-2003) | 10 |
| 21 | Daytime Light Control Unit, ECM (2000-2003) | 10 |
| 22 | Cigarette Lighter | 15 |
| 23 | Not Used | |
| 24 | Not Used | |
| 25 | Front Wiper Motor, Front Washer Motor, Front Wiper Swicth | 20 |
| 26 | Hazard Switch | 10 |
| 27 | Not Used | |
| 28 | Not Used | |
| 29 | Fuel Pump Relay | 15 |
| 30 | Combination Meter, Back-Up Lamp Switch (Manual Transmission), Park and Neutral Position Switch (Automatic Transmission) | 10 |
| 31 | Anti-lock Brake System | 10 |
| 32 | Spare | |
| 33 | Spare | |
| 34 | Spare | |
| Relays | Spare | |
| R1 | Circut Breaker (Smart Entrance Control Unit (SECU), Power Window Relay, Sunroof) | |
| R2 | Heated Mirror | |
| R3 | Power Socket | |
| R4 | Trunk Lid Opener | |
| R5 | Power Window | |
| R6 | Remote Keyless Entry | |
| R7 | Ignition | |
| R8 | Blower Motor | |
| R9 | Accesssory |
Engine compartment Fuse Box
| Fuse # | Function | Amperage |
|---|---|---|
| 32 | Audio, Subwoofer, Satellite Radio Tuner (2004-2006), CD Changer (2000-2003) | 15 |
| 33 | Generator, Horn Relay | 10 |
| 34 | Engine Control Module Relay | 15 |
| 35 | Theft Warning Horn Relay (2000), Theft Warning Lamp Relay | 10 |
| 36 | Engine Control Module (ECM), ECM Relay, Immobilizer Control Unit | 10 |
| 37 | Smart Entrance Control Unit (SECU) | 10 |
| 38 | Lighting Switch (Combination Lamps), Smart Entrance Control Unit (SECU), Time Control Unit, Illumination lamps, License Plate Lamp | 10 |
| 39 | Headlamp, Lighting Switch, Daytime Light Control Unit, Theft Warning Lamp Relay | 15 |
| 40 | Headlamp, Lighting Switch, Daytime Light Control Unit, Theft Warning Lamp Relay | 15 |
| 41 | 2002-2006: Throttle Control Motor Relay | 15 |
| 42 | 2002-2006: Audio Amplifier | 20 |
| 43 | Front Fog Lamp Relay | 15 |
| A | Generator, Ignition Relay (Fuse: "25", "26", "29, "30", "31"), Fuse: "D", "H", "I", "2", "3", "4", "5", "6", "7", "39", "40", "41", "42", "43" | 100 |
| B | Accessory Relay (Fuse "22"), Ignition Relay (Fuse: "8", "9", 10", "11"), Blower Relay (Fuse "14", "16"), Fuse "12", "13" | 80 |
| C | Ignition Switch | 40 |
| D | Circut Breaker (Smart Entrance Control Unit (SECU), Power Window Relay, Sunroof) | 30 |
| E | Not Used | |
| F | Anti-lock Brake System | 40 |
| G | Anti-lock Brake System | 40 |
| H | Cooling Fan Relay 1, Cooling Fan Relay 3 (QR) | 40 |
| I | Cooling Fan Relay 1, Cooling Fan Relay 2 | 40 |
Assignment of the relays in the Relay Box Fuse Box
| Fuse # | Function | Amperage |
|---|---|---|
| R1 | Theft Warning Lamp Relay | |
| R2 | Cooling Fan Relay 3 (QR engine) | |
| R3 | Front Fog Lamp | |
| R4 | Clutch Interlock (Manual Transmission) | |
| R5 | Cooling Fan Relay 1 | |
| R6 | Horn | |
| R7 | Air Conditioning | |
| R8 | Park and Neutral Position (Automatic Transmission) | |
| R9 | Cooling Fan Relay 2 | |
| R10 | Spare | 2000 |
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.