Nissan Terrano is a popular crossover that, with proper maintenance, can serve for years without serious breakdowns. However, even reliable cars have electrical faults, and the most common cause is blown fuses. Knowing their location and purpose will save time on diagnostics and fix the problem in a matter of minutes.
In this article you will find complete fuse and relay diagram for Nissan Terrano (including modifications R51 And J10), relevant for petrol and diesel versions 2014–2022. We will analyze in detail where the blocks are located, how to open them, what elements are responsible for the key systems of the car - from headlights to electronic assistants. We will also give practical advice on diagnostics and replacement, which will be useful for both beginners and experienced car owners.
Where are the fuse boxes in the Nissan Terrano?
B Nissan Terrano There are two main fuse and relay blocks:
- 🔧 Main unit in the cabin — located to the left of the steering column, behind the protective cover. Responsible for most of the car's electrical circuits, including lighting, audio and climate control.
- 🚗 Additional block under the hood — located next to the battery (driver's side). High power fuses for the starter, generator and injection system are concentrated here.
On some modifications (for example, Terrano II or restyled versions) there may be a third block in the luggage compartment, but this is rare for the Russian market. To get to the cabin unit, it is enough release the lid latches (they are located on the sides) and gently pull it towards you. The engine compartment unit is usually closed with a plastic cover with latches - it is removed after disconnecting the battery terminal (required negative first!).
Important: on diesel versions Terrano with engine K9K The fuse circuit may differ slightly - for example, elements have been added to control the glow plugs and the high-pressure fuel pump. We will talk about this in detail in the section on decryption.
- Gasoline, 1.6/2.0 l
- Diesel, 1.5/1.6 l
- I don't know, haven't checked
- Another option
Cabin unit fuse diagram (2014–2022)
Salon block Nissan Terrano contains fuses and relays for most electrical consumers. Below is a current diagram with the purpose of each element. Please note: Fuse numbers may vary depending on the year of manufacture, but they are rating (amps) and responsibility for the circuits remain unchanged.
| Number | Rating (A) | Purpose | Notes |
|---|---|---|---|
| F1 | 10 | Engine control unit (ECU) | Burns out when there is a short circuit in the sensor harness |
| F7 | 15 | Cigarette lighter, 12V socket | Often fails when connecting powerful devices |
| F10 | 20 | Heater fan | Check if there is no airflow at any speed |
| F15 | 10 | Audio system, navigation | Responsible for powering the radio and display |
| F20 | 15 | Fog lights (front) | Replace in pairs when damaged |
Important: fuse F30 (30A) is responsible for the operation of the electric power steering (EPS). Its burnout leads to a sharp increase in the force on the steering wheel - this is one of the first signs of a malfunction, which requires an immediate stop and inspection.
To access the relay in the cabin unit, you will need to remove the top cover (it is secured with two plastic latches). The relays here are responsible for:
- ⚡ Main relay (ECU power supply)
- 💡 Low/high beam relay
- 🔊 Horn relay
- 🌀 Cooling fan relay
If after replacement the fuse blows again, do not install an element with a higher rating! This may cause the wiring to catch fire. Instead, test the circuit for shorts using a multimeter.
Engine compartment fuse box: explanation and features
Block under the hood Nissan Terrano contains fuses and relays for high voltage circuits. Its location depends on the modification:
- 🔋 On petrol versions - next to the battery, under the plastic cover.
- ⛽ On diesel engines - moved closer to the windshield, next to the washer reservoir.
The peculiarity of this block is the presence fuse links (they are often confused with fuses). For example, insert Fusible Link at 80A protects the generator circuit. Replacing it requires a soldering iron and a special wire of the same cross-section.
| element | Rating (A) | Purpose | Symptoms of a problem |
|---|---|---|---|
| F1 (fuse link) | 80 | Generator, starter | Car won't start, battery drains quickly |
| F3 | 40 | Radiator fan | Engine overheats, fan does not work |
| R2 (relay) | — | Fuel pump | The engine does not start, there is no pressure in the ramp |
| F5 | 30 | ABS, ESP | Malfunction indicators on the dashboard are on |
⚠️ Attention: When working with the engine compartment, be sure to disconnect the battery (negative terminal first!). The fuse links here are designed for high currents, and replacing them without diagnosing the circuit can lead to a fire. For example, if the 80A insert burns out, first check the alternator and starter for a short circuit.
On diesel Terrano This block also contains:
- 🔥 Glow plug fuse (
F7, 50A) - if it fails, the engine starts poorly when cold. - ⚙️ EGR valve relay (
R4) - responsible for the exhaust gas recirculation system.
How to check a fuse link without a multimeter?
If the insert burns out, its body usually swells or melts. You can also visually inspect the wire inside - the break will be noticeable. However, for accurate diagnostics it is better to use the tester in the “diagnosis” mode.
How to check and replace a fuse: step-by-step instructions
Replacing the fuse in Nissan Terrano - a simple procedure, but requiring accuracy. Here is the algorithm of actions:
- Turn off the ignition and disconnect the negative terminal of the battery (required!).
- Find the faulty fuse according to the diagram (its body is usually melted or a broken thread is visible inside).
- Use
plastic tweezers(included with the block) or pliers with insulated handles to remove the element. - Install a new fuse same denomination (color and markings are indicated on the case).
- Check the operation of the circuit. If the fuse blows again, look for a short circuit.
⚠️ Attention: Never use “bugs” (homemade jumpers made of foil or wire)! This may cause a fire. If you do not have the required fuse at hand, you can temporarily install an element with lower denomination (for example, 15A instead of 20A), but only to get to the store.
To check the fuse without removing it from the block:
- Turn on the ignition.
- Touch the multimeter probes (in the “testing” mode) to the metal contacts of the fuse.
- If there is no sound signal, the element has burned out.
☑️ What to do if the fuse blows again
Common problems and their causes
Owners Nissan Terrano often encounter typical faults related to fuses. Here are the most common cases:
- 🔌 The cigarette lighter fuse blows (F7, 15A) - usually the culprit is powerful devices (for example, compressors or inverters). Solution: Use a power strip with its own fuse or connect devices directly to the battery.
- 💡 Headlights don't work - check fuses F11 (low beam, 10A) and F12 (high beam, 10A), as well as the relay
R3. If the elements are in good condition, inspect the lamps and connectors. - 🌀 Heater fan not working - fuse F10 (20A) or relay is at fault
R5. Also check the resistance of the fan motor (should be ~5 ohms). - 🚨 ABS/ESP indicators are on - fuse F5 (30A) has burned out or the control unit is faulty. Diagnose using a scanner (eg Launch CReader).
On diesel Terrano There is often a problem with the glow plug fuse (F7, 50A). Its burnout leads to difficulties starting the engine in cold weather. The reason may be:
- Short circuit in the spark plug circuit (check the resistance of each - it should be 0.5–6 Ohms).
- Faulty glow plug relay (
R6). - Problems with the engine control unit (ECU).
If fuse F30 (30A, electric power steering) blows regularly, the cause may be:
- Moisture has entered the EPS unit (located under the steering column).
- Worn amplifier motor brushes.
- Short circuit in the wiring harness between the EPS unit and the ECU.
If after replacing the fuse the problem remains (for example, the headlights do not light up), check not only the element itself, but also the relays, lamps, connectors and wiring. Often the fault lies in oxidized contacts or an open circuit.
Tips for the prevention and care of electrical equipment
To keep the fuses in Nissan Terrano served longer, follow simple recommendations:
- 🔌 Do not overload the cigarette lighter — connect only certified devices with a rating of no higher than 120 W. For powerful appliances (refrigerators, compressors), use a separate socket with a fuse.
- 💧 Protect blocks from moisture — after washing or rain, check whether water has entered the interior unit (especially if the windows were open). If necessary, dry with a hairdryer.
- 🔍 Inspect your wiring regularly — pay attention to abrasions, cracks in the insulation or traces of melting. Harnesses under the hood and in doorways are especially vulnerable.
- 🔋 Monitor the voltage of the on-board network - If the battery is low or the alternator is not charging enough, fuses may blow more often. The normal voltage at the terminals when the engine is running is
13.8–14.4 V.
For diesel versions Terrano Additional tips are relevant:
- ⛽ Before winter, check the glow plug fuse (
F7, 50A) and their resistance. Replace spark plugs every 60–80 thousand km. - 🌀 Monitor the condition of the fuel pump relay (
R2) - its malfunction can lead to difficult starting.
If you do a lot of off-road driving, install additional protection on the fuse box under the hood. This will protect it from dirt and moisture. Also useful to have in the glove compartment set of spare fuses different ratings (10A, 15A, 20A, 30A) and plastic tweezers to replace them.
FAQ: Frequently asked questions about Nissan Terrano fuses
Which fuse controls the radio?
For the audio system in Nissan Terrano fuse responds F15 (10A) in the salon block. If after replacing it the radio does not work, also check the fuse F25 (7.5A) — it protects the antenna amplifier circuit. On restyled versions (2018+), an additional fuse can be installed F35 (15A) for the media screen.
Why does the starter fuse blow?
Starter fuse (fuse link) F1, 80A under the hood) burns out due to:
- Short circuit in the starter winding (check the resistance between the terminals - it should be ~0.5 Ohm).
- Wear of starter brushes or bearings (leads to increased current).
- Poor contact at the battery terminals (clean and lubricate them).
Do not replace the insert with a more powerful one - this may burn the starter winding!
Where is the fuel pump relay located?
Fuel pump relay (R2) is located in the engine compartment fuse box. On petrol Terrano it is located next to the fuse F2 (15A), on diesel engines - closer to the center of the block. Signs of a relay malfunction: the engine does not start, the pump cannot be heard when the ignition is turned on. Check the fuse before replacing F2 (15A) — it protects the pump circuit.
Is it possible to replace a fuse link with a regular fuse?
No, fusible links (eg Fusible Link 80A) are designed for high currents and have a special design. They are replaced only with similar inserts or a piece of wire of the same cross-section with fused ends. Using a regular fuse will cause it to instantly blow or, worse, cause a fire. To replace, you will need a soldering iron and heat shrink tubing.
How to reset errors after replacing ABS fuse?
After replacing the fuse F5 (30A) or ABS relay errors on the dashboard may remain. To reset them:
- Disconnect the negative terminal of the battery for 10-15 minutes.
- Reconnect and start the engine.
- If the error persists, use a diagnostic scanner (for example, ELM327) to reset fault codes.
If the error appears again, check the ABS sensors on the wheels and the circuit to the control unit.