Nissan Bluebird Sylphy — a popular sedan, known for its reliability and unpretentiousness. However, even in such machines, problems with electrical equipment periodically arise, and blown fuses are most often to blame. If your headlights, power windows, or audio system stop working, the first thing to do is check the fuse boxes.

In this article you will find complete fuse diagram for Bluebird Sylphy (including modifications B17 And B18), an explanation of their purposes, step-by-step instructions for replacement, as well as practical advicehow to avoid common mistakes. We will also look at which fuses most often fail and why this happens.

Where are the fuse boxes located in Nissan Bluebird Sylphy

B Bluebird Sylphy There are two main fuse blocks:

  • 🔧 Main unit in the cabin — located to the left of the steering column, under the instrument panel. To gain access, you need to open the cover (it is secured with latches).
  • 🚗 Additional block under the hood — located next to the battery, in a plastic box with a lid. High power fuses are located here (for example, for the cooling fan or generator).

On some versions (especially with 2.0 MR20DD engine) there may be a third, small block - it is responsible for the system Intelligent Key and is usually hidden behind the glove compartment. It is checked if the keyless entry or the engine start button does not work.

Important: on Bluebird Sylphy after restyling (2019–2023), the arrangement of the blocks did not change, but ratings of some fuses may vary. Always check with sticker on the back of the unit cover — the current diagram for your modification is indicated there.

📊 What year is your Nissan Bluebird Sylphy?
  • 2012–2015
  • 2016–2019
  • 2020–2023
  • I don't know

Fuse diagram and decoding Nissan Bluebird Sylphy (B17/B18)

Below is basic diagram for most versions Bluebird Sylphy. Please note that depending on the equipment and market (for example, for Japan or China) there may be slight differences.

Fuse number Denomination (A) Purpose Notes
F1 10 Engine management system (ECU), oxygen sensors Often burns out due to a short circuit in the sensor harness
F10 15 Audio system, navigation, Bluetooth-module Check if there is no sound or phone connection failures
F18 20 Window lifters (all 4 doors) If all windows do not work, check this fuse and relay R12
F25 10 Cigarette lighter, 12V socket Burns out when connecting powerful devices (for example, a compressor)
F30 15 Headlights (low beam), dimensions If both headlights do not light, check this fuse and relay R7

Attention: on versions with a hybrid installation (for example, e-Power) a separate fuse box has been added for the high voltage system. It is checked only in service centers!

The complete diagram for your modification can be found:

  • 📄 On the back of the fuse box cover (usually there is a sticker with a decoding).
  • 📱 In the electronic manual Nissan (available through the app NissanConnect).
  • 🔧 In the service documentation (for example, in ETM — Electrical Troubleshooting Manual).
Where can I download the official manual for Bluebird Sylphy?

Official manuals can be found on the website Nissan TechInfo (registration required) or on owner forums, for example, NissanClub. For Russian versions, searching by VIN code on the website sometimes helps vin.nissan.ru.

How to check the fuse in Nissan Bluebird Sylphy: step by step instructions

Checking fuses is a simple procedure that does not require special skills. You will need:

  • 🔦 Flashlight (to inspect the unit in the cabin).
  • 🛠️ Tweezers or a special puller (usually included with the machine).
  • 🔌 Multimeter (optional, but will help diagnose the malfunction more accurately).

Turn off the ignition and remove the key from the lock|Open the fuse box cover|Take a flashlight for inspection|Prepare spare fuses of the required ratings-->

Next, follow the algorithm:

  1. Find the problem fuse according to the diagram (see section above) or visually (melted body, blackening).
  2. Remove the fuse tweezers. Do not pull on the wires - you may damage the contacts!
  3. Check integrity:
    • 👁️ Visually: if the thread inside is broken, the fuse has blown.
    • 📊 Using a multimeter: set the resistance test mode. Touch the probes to the fuse contacts. If the resistance is infinite (OL) - the fuse is faulty.
  • Install a new fuse the same denomination. Never use bugs or fuses with a different amperage!

    • If the new fuse immediately blows, there is short circuit. In this case, you need to contact an electrician to diagnose the wiring.

    💡

    If you don't have a multimeter at hand, you can test the fuse for a spark: insert it into the socket and turn on the corresponding circuit (for example, headlights). If the fuse immediately blows with a characteristic click, the problem is a short circuit.

    Which fuses are most likely to blow? Bluebird Sylphy and why

    According to the experience of owners and service centers, in Nissan Bluebird Sylphy The most common fuses that fail are:

    • 🔥 F25 (10A) - cigarette lighter. It burns out due to the connection of powerful devices (vacuum cleaners, compressors) or poor-quality charges.
    • 💡 F30 (15A) - low beam. Often suffers when installing LED lamps without adjusting the voltage.
    • 🚪 F18 (20A) — window regulators. It burns out when the glass freezes or the guides are mechanically blocked.
    • 🎵 F10 (15A) — audio system. The culprit is usually voltage surges when connecting external amplifiers.

    The main reasons for burnout:

    • ⚡ Short circuit in the circuit (for example, due to damaged wire insulation).
    • 🔌 Overload — connection of devices consuming current higher than the fuse rating.
    • 🕯️ Natural wear and tear — over time, the contacts oxidize, which leads to increased resistance and overheating.
    • 🚗 Component failure (for example, a jammed window lift motor or a broken ECU).

    If the fuse lights up again after replacement, don't ignore the problem - this can lead to a fire in the wiring! It is better to immediately contact the service for diagnostics.

    💡

    The most common mistake owners make is installing a fuse with an overrated rating (for example, 20A instead of 10A). This may damage the protected equipment or even cause a fire!

    How to replace a fuse in Nissan Bluebird Sylphy: detailed instructions with photos

    Replacing a fuse takes no more than 5 minutes if you know a few nuances. Let's look at the process using an example salon unit:

    1. Turn off the power:

      Turn off the ignition and remove the key. If you are replacing a high voltage fuse (for example, for a cooling fan), disconnect the battery terminal.

    2. Remove the unit cover:

      Press the latches on the sides of the cover (on Bluebird Sylphy They are plastic and break when pressed hard). The cover will be removed downwards.

    3. Find the faulty fuse:

      Check the diagram on the cover or our table above. The fuses are numbered, but sometimes the numbers are hard to see - use a flashlight.

    4. Remove the fuse:

      Take tweezers (usually located in the same block) and gently pull the fuse up. Do not use force - if it doesn’t work, check if the contacts are caught.

    5. Install a new fuse:

      Insert fuse same denomination (color and markings must match). Press until you hear a click.

    6. Check circuit operation:

      Turn on the ignition and check if the equipment works. If not, the problem may be in the relay or wiring.

    Attention: if the fuse is too tight or, conversely, loose in the socket, this is a sign block contact wear. In this case, cleaning the contacts or replacing the entire unit will help (part 28430-4M000 for B17).

    What to do if the fuse cannot be removed?

    If the fuse is stuck to the contacts, do not try to pull it out by force - this will damage the socket. It’s better to gently rock it from side to side with tweezers or spray the contacts with cleaner WD-40. As a last resort, you can use a thin screwdriver to pry the fuse off from the side, but proceed with caution!

    Relay in Nissan Bluebird Sylphy: where they are and how to check

    Fuses protect circuits from overload, and relay are responsible for switching powerful consumers (for example, starter, headlights, fan). B Bluebird Sylphy relays are located:

    • 🔧 B salon block (near the fuses, usually at the top).
    • 🚗 B engine compartment (for example, cooling fan or fuel pump relay).

    The most problematic relays:

    Designation Purpose Symptoms of a problem
    R7 Low beam relay Headlights do not turn on or blink
    R12 Power window relay Glass does not work or moves jerkily
    R18 Fuel pump relay The engine does not start, there is no pressure in the fuel rail

    How to check the relay:

    1. Remove the relay from its socket (pull gently upward).
    2. Look at the contacts - if they are burnt or oxidized, the relay needs to be replaced.
    3. Test the winding with a multimeter:
      • Set mode 200 Ohm.
      • Touch the probes to the contacts 85 And 86 (usually they are labeled on the relay body).
      • Resistance must be within 50–120 Ohm. If OL - the winding is broken.

    If the relay is OK but the circuit is not working, the problem may be wiring or control unit (For example, BCM).

    Common mistakes when working with fuses and how to avoid them

    Even experienced car owners sometimes make mistakes that lead to serious damage. Here are the most common:

    • ❌ Using "bugs" (pieces of wire or foil instead of a fuse). This may lead to fire or failure ECU.
    • ❌ Replacing the fuse with a higher rating (for example, 15A instead of 10A). The circuit will not be protected from overload.
    • ❌ Ignoring re-burnout. If the fuse comes back on, there is a problem in the circuit that needs to be fixed.
    • ❌ Checking fuses by eye without a multimeter. Sometimes the thread remains intact, but the fuse is no longer faulty.

    How to avoid problems:

    • ✅ Always keep it in your car set of spare fuses different ratings (10A, 15A, 20A).
    • ✅ Before replacement turn off the power (remove the battery terminal or turn off the ignition).
    • ✅ If the fuse blows frequently, check the circuit for short circuit using a multimeter in mode calls.
    • ✅ To diagnose complex faults (for example, with CAN bus) use a scanner Nissan Consult or its analogues.

    ⚠️ Attention: on Bluebird Sylphy with the system ProPILOT or Around View Monitor Replacing fuses in camera or radar circuits yourself may result in calibration failure. In this case, a flashing is required ECU in the service.

    FAQ: Frequently asked questions about fuses Nissan Bluebird Sylphy

    Can fuses from other car brands be used?

    Yes, if they match face value And type (usually in Bluebird Sylphy standard fuses are used ATO/ATC - flat, with blade contacts). The main thing is that the fuse is designed for the same current. For example, fuses Bosch or Hella suitable if their rating is the same (10A, 15A, etc.).

    Why does it blow again after replacing the cigarette lighter fuse?

    This indicates short circuit in the cigarette lighter circuit or on overload. Common reasons:

    • Damaged insulation of wires behind the cigarette lighter (check for melting).
    • Malfunction of the cigarette lighter socket itself (for example, shorted contacts).
    • Connecting devices with consumption >10A (for example, powerful inverters).

    Solution: disconnect the cigarette lighter from the power supply (remove the connector on the back side) and check the circuit with a multimeter.

    Where is the fuse for the radio? Bluebird Sylphy?

    The fuse powers the audio system F10 (15A) in the salon block. If after replacing it the radio does not work, check:

    • fuse F31 (10A) - he is responsible for CAN bus, on which communication with the head unit depends.
    • Relay R10 — controls the power supply to the audio system.
    • Wiring behind the radio (contacts often oxidize ISO connector).
    Is it possible to drive without a fuse if it is blown?

    Absolutely not! The fuse protects the circuit from overload. If you remove it:

    • May burn ECU, control unit or wiring.
    • Increases the risk of fire (especially in high current circuits, such as the starter).
    • On modern cars (including Bluebird Sylphy) this may lead to errors in CAN bus and failure of several systems simultaneously.

    If you urgently need to get to a service station, temporarily install a fuse same denomination (can be taken from a less critical circuit, for example, from heated seats).

    Which fuse controls the starter? Nissan Bluebird Sylphy?

    Responsible for the starter not a fuse, but a relay (usually R15 in the engine compartment) and main fuse (Fusible Link, aka fuse link) next to the battery. If the starter does not turn over, check:

    1. Condition Fusible Link (fuse link on 80A or 100A, in a black box next to the battery).
    2. Starter relay (R15) - if it malfunctions, it must be replaced.
    3. Contacts on the starter solenoid relay (often oxidize).

    If the fuse link has burned out, do not replace it with wire - this may damage the generator or ECU!