Nissan Terrano 3: location and assignment of fuses (2014–2026)

Nissan Terrano 3 - a popular crossover that replaced Terrano 2 in 2014. Despite its reliability, even in this model fuses periodically fail, which leads to the failure of electrical equipment: from headlights to a multimedia system. In this article we will analyze where are the fuse boxes, how to check and replace them, and also give full decoding of circuits for all modifications Terrano 3 (including restyling 2020).

Electrical circuit feature Terrano 3 — availability two main fuse blocks (in the cabin and under the hood) plus additional relays depending on the configuration. For example, in versions with Easy-R (robotic gearbox) separate fuses have been added to control the transmission. We have collected current data on models with petrol (HR16DE, MR20DD) and diesel (K9K) engines, and also took into account changes after the 2020 restyling.

Where are the fuse boxes in Nissan Terrano 3

B Terrano 3 provided three zones for placing fuses and relays:

• 🚗 Main unit in the cabin — located to the left of the steering column, behind the plastic cover. The fuses for most consumers are concentrated here (lights, audio system, cigarette lighter).
• 🔧 Block under the hood — next to the battery, in a plastic box. Responsible for high-voltage circuits (starter, generator, fans).
• ⚡ Additional relays — depending on the configuration, they may be located behind the glove compartment (for example, heated seat relays) or under the center console (climate control relay).

To access the interior unit, pull the cover lock (located at the bottom of the panel, to the left of the brake pedal). In some versions, the cover is secured with latches - carefully pry it off with a flat-head screwdriver. In 2020+ models, the block has been moved 2 cm higher, and the cover has become transparent for ease of diagnosis.

The engine compartment unit opens after removing two plastic clips. Please note: in diesel Terrano 3 (K9K) a relay has been added here for fuel filter heating, which is not available in petrol versions.

Decoding the fuses of the cabin unit (2014–2026)

The salon unit contains 40 fuses and 15 relays (depending on the configuration). Below is a table for the most popular chains. The complete diagram for your modification can be found in instruction manual (section 8-30).

Fuse no.	Rating (A)	Purpose	Notes
F1	10	Body Control Module (BCM)	Responsible for central locking, power windows
F10	15	Audio system, navigation	Includes USB port and Bluetooth module
F20	20	Cigarette lighter, 12V socket	Often burns out when using powerful devices
F25	7.5	ABS sensors	When it burns out, the ABS indicator on the dash lights up.
F35	10	Interior and trunk lighting	Includes lamp and mirror lights

Pay attention to the fuse F20 (20A) - it is the most vulnerable, since many owners connect DVRs, compressors or chargers with a current higher than 10A to the cigarette lighter. If this fuse blows more than once every 3 months, check wiring integrity from the outlet to the unit or install a splitter with separate protection.

⚠️ Attention: In versions with Bose-audio system fuse F10 has a face value 20A (instead of standard 15A). Installing a smaller fuse will result in constant media failures.

Engine compartment: fuses and relays for high-voltage circuits

Engine compartment block Terrano 3 contains 25 fuses and 8 relaysresponsible for critical systems:

• 🔋 Generator and starter - fuses F1 (100A) and F2 (80A).
• 💨 Cooling fans - relay K3 and fuse F10 (40A).
• 🚘 Engine computer (ECU) - fuse F15 (10A) and relay K5.
• 🔥 Fuel pump - fuse F20 (15A) and relay K7.

Pay special attention to the relay K3 (cooling fans). If it fails, the engine overheats and the dashboard lights up. temperature icon. In diesel versions (K9K) relay added K8 for management EGR valve.

To test the relay, use a multimeter in calls:

1. Remove the relay from its socket.
2. Connect the probes to the contacts 85 And 86 (winding).
3. When 12V is applied to these contacts, a click should be heard.

How to check and replace a fuse: step-by-step instructions

For diagnostics and replacement of fuses in Terrano 3 you will need:

• 🔧 Flat screwdriver (for removing block covers).
• 🔍 Multimeter or voltage tester.
• 🧲 Tweezers (for removing fuses).
• 🔋 Spare fuses (set with ratings from 5A to 30A).

Step 1: Identifying a Blown Fuse

Turn on the faulty circuit (such as headlights or heated seats). Using a multimeter in mode DC 20V Check the voltage at both fuse terminals. If there is 12V on one pin and 0V on the other, the fuse has blown.

Step 2: Removal and replacement

Using tweezers, carefully pull the fuse out of its socket. Install new same denomination. Never use bugs (wire jumpers) - this may lead to wiring fire.

⚠️ Attention: If a new fuse blows immediately after installation, there is a short circuit. It is necessary to check the wiring in the area from the unit to the consumer (for example, to the headlight or window lift motor).

Common problems and their causes

Owners Terrano 3 Often encounter the following faults related to fuses:

• 💡 Headlights don't work - check the fuse F5 (10A) in the cabin unit and relay K2 under the hood. In 30% of cases, the problem lies in the oxidized contacts of the headlight unit.
• 🔊 The audio system does not turn on - the fuse is at fault F10 (15A or 20A) or relay K10 (in versions with Bose). Also check the fuse F30 (7.5A), responsible for the CAN bus.
• 🚪 Power windows don't work - fuse burned out F1 (10A) or relay K1. In 20% of cases, the cause is a faulty power window control unit (located in the driver's door).
• ⚡ Phone won't charge via USB - check the fuse F10 and the integrity of the wiring from the multimedia system to the USB port.

If the problem persists after replacing the fuse, use diagnostic scanner (For example, ELM327) to check error codes. For example, error B2555 indicates a malfunction in the cigarette lighter circuit, and U1000 - for problems with the CAN bus.

How to reset errors in Terrano 3 without a scanner?

Disconnect the battery for 10 minutes, then plug it back in. This will clear temporary errors, but will not eliminate the cause of the problem. A full reset requires diagnostic equipment.

Differences in fuses before and after restyling 2020

In 2020 Nissan Terrano 3 underwent restyling, which also affected the electrical circuit. Main changes:

• 🔄 Fuse F15 (10A) in the cabin unit is now responsible for rear view camera (previously - for the rain sensor).
• 📱Added fuse F38 (5A) for wireless charging (in versions with option Wireless Charging).
• 🔌 The cigarette lighter fuse rating has been changed from 20A to 25A (due to the increased load from modern gadgets).
• 🚗 A relay appeared in diesel versions K9 for management AdBlue system.

If you have Terrano 3 2020 or newer, check with updated scheme in the user manual. For example, in older versions the fuse F25 (7.5A) was only responsible for ABS, but now it also protects exchange rate stability system (ESP).

FAQ: Frequently asked questions about Nissan Terrano 3 fuses

🔍 Which fuse is responsible for the low beam in Terrano 3?

The fuse controls the low beam F5 (10A) in the cabin unit and relay K2 under the hood. If the light does not come on after replacing the fuse, check lamps (in Terrano 3 lamps are used H7) and the integrity of the wiring to the headlight unit.

⚡ Why does the cigarette lighter fuse (F20) constantly blow out?

The reasons may be as follows:

1. Using devices with current higher than 15A (for example, car refrigerators).
2. Short circuit in the wiring from the cigarette lighter to the fuse box.
3. Malfunction of the 12V socket itself (oxidation of contacts).

Solution: Install a power strip with a separate fuse or replace the outlet.

🎵 Why does the radio not work after replacing fuse F10?

If the audio system does not turn on even after replacing the fuse, check:

• Fuse integrity F30 (7.5A), responsible for the CAN bus.
• Voltage at the radio connector (should be 12V on the yellow wire).
• Radio settings - after turning off the power, some models (Bose) require you to enter a PIN code.

🚗 Where is the starter fuse in Terrano 3?

The starter fuse is F1 (100A) in the engine compartment. However, in 90% of cases the problem is not the fuse, but the starter relay (K1) or the starter itself. If you hear clicks when you turn the key, but the engine does not turn, check the relay and contacts on the starter.

🔧 Is it possible to use fuses of a higher rating?

No! Installing a fuse with a rating higher than specified may result in:

• Overheating and melting of wiring.
• Fire of plastic elements of the interior.
• Failure of electronic units (for example, BCM or ECU).

If a standard fuse constantly blows, look for the cause (short circuit or increased load), rather than increasing its rating.