Owners Škoda Karoq sooner or later they are faced with the need to check or replace a fuse - be it a blown light bulb, a non-working cigarette lighter or an electronics failure. However, finding the exact fuse box diagram for a specific configuration can be difficult. In this article we will look at location of all mounting blocks in Karoq (including restyled versions 2021–2026), we will decipher the purpose of each fuse and relay, and also give practical advice on diagnostics and replacement.

Feature Škoda Karoq — availability three main fuse blocks: in the cabin (under the steering wheel), in the trunk (on the left) and under the hood (in the engine compartment). However, their layout may differ depending on the year of manufacture and configuration (for example, for versions with Digital Cockpit or Kessy separate fuses are added). To avoid mistakes, we will provide current diagrams taking into account these nuances.

Where are the fuse boxes in the Škoda Karoq

B Karoq fuses and relays are distributed over three zones. Their location is standardized for all modifications, but access to them may be complicated by additional panels (for example, in the trunk of versions with Variabile seats).

  • 🔧 Salon block — under the steering column, behind the decorative cover. To open, pull the bottom edge of the panel (driver's side).
  • 🚗 Block in the trunk - on the left, under the floor. It is necessary to remove the hatch cover (it is secured with latches).
  • 🔥 Block under the hood — next to the battery, in a plastic box. On diesel versions it can be additionally protected by a cover.

Important: on hybrid versions Karoq iV (2020+) appears in the trunk fourth block — he is responsible for the high-voltage system. Its fuses It is forbidden to check or replace it yourself (service equipment required).

📊 What kind of Škoda Karoq do you have?
  • Diesel
  • Gasoline
  • Hybrid (iV)
  • I don't know

Interior fuse box: diagram and decoding

Cabin mounting block Karoq contains fuses for most comfort systems: lighting, multimedia, power windows, etc. Below is the current diagram for the models 2017–2026 (including facelift). Please note: fuse numbers may be duplicated in different blocks!

Fuse no. Current (A) Purpose Note
F1 5 Transmission Electronic Control Unit (ECU) Only for versions with DSG
F10 10 System control unit Keyless (Kessy) Responsible for keyless entry
F25 15 Cigarette lighter and 12V socket in the cabin Often burns out when using powerful devices
F30 20 Climate control unit (Climatronic) When burned out, temperature settings are reset
F45 25 Audio system (Amundsen/Columbus) Also responsible for navigation and Apple CarPlay

⚠️ Attention: fuse F25 (cigarette lighter) often fails when connecting devices with a consumption of more than 10A (for example, car refrigerators). If it burns out repeatedly, check the circuit for a short circuit or use a protected splitter.

Turn off the ignition and remove the battery terminal|Locate the box under the steering wheel and remove the cover|Use tweezers to remove the fuse|Check the continuity of the thread with a light|Install a fuse of the same rating-->

Fuse box in the trunk: what is located there

In the luggage compartment Karoq The second most important mounting block is located. This is where the fuses for security systems (ABS, ESP), lighting and body electronics parts. Access to it is complicated by the fact that on some versions the hatch cover is screwed on with self-tapping screws (a Phillips screwdriver is required).

Key fuses in the trunk:

  • 🔦 F5 (10A) — Tail lights (left side). If they burn out, check the lamps for moisture.
  • 🚨 F12 (15A) — Central lock. If all doors do not work, check this relay.
  • 🔄 F20 (20A) — Window lifters. Responsible for all 4 windows.
  • 🔋 F35 (30A) — Fuel pump. If it burns out, the engine will not start.

⚠️ Attention: fuse F35 (fuel pump) is critical to starting the engine. If after replacing it the car still does not start, check the relay K3 in the same block (it can “stick” during power surges).

How to check the relay in the luggage compartment?

Relay in Karoq checked “by ear” - when the ignition is turned on, a working relay makes a slight click. If there is no click, replace the relay with a known working one (for example, with F20, if it is the same type). You can also test the contacts with a multimeter in “diode” mode: resistance between the terminals 85 and 86 should be ~50–120 Ohms.

Underhood fuse box: high current circuits

Mounting block in the engine compartment Karoq contains the most powerful fuses (from 30A up to 150A), responsible for the starter, generator, injection system and other critical components. Its location depends on the type of engine:

  • 🔥 On gasoline versions - to the right of the battery, under the plastic cover.
  • ⛽ On diesel — on the left, closer to the windshield (can be covered with additional protection).

Important fuses under the hood:

№ Current (A) Purpose Consequences of burnout
F1 80 Main injection relay The engine stalls or does not start
F3 100 Generator The battery is low, the light is on ALT
F7 50 Radiator cooling fan Engine overheating, especially in traffic jams
F10 40 ABS/ESP The lamps are burning ABS and ESP on the dashboard

⚠️ Attention: fuse F7 (cooling fan) often fails in the summer when the air conditioner is operated for a long time. If it's burned out, do not replace it with a fuse of a higher rating - this may lead to a fire in the engine compartment. Instead, check the fan itself for jamming.

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If the fuse under the hood blows repeatedly, do not rush to change it. First, check the circuit for a short circuit using a multimeter (test mode). Often the problem lies in damaged wire insulation, especially near the exhaust manifold, where they overheat.

How to check and replace the fuse in Karoq

Replacing the fuse in Škoda Karoq - a simple procedure, but requires care. Here are the step-by-step instructions:

  1. Turn off the power. Remove the negative terminal from the battery (especially important for units under the hood).
  2. Find the faulty fuse. Use the diagrams above or the instruction manual. A blown fuse usually has a broken thread or a melted body.
  3. Remove the fuse. There are special tweezers for this in the cabin and luggage units (located in the unit itself). Under the hood you may need some pliers.
  4. Install a new fuse. He must be same denomination (color and markings are indicated on the case).
  5. Check the system operation. Connect the battery and turn on the ignition. If the fuse blows again, look for a short circuit.

🔍 Tip: B Karoq standard fuses are used Mini (for salon) and Maxi (under the hood). Don't confuse them - Maxi- the fuses are larger in size and will not fit into the interior unit. You can buy spare parts at any auto store (a set of 10 pieces costs ~200–300 rubles).

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Never use "bugs" (homemade jumpers) instead of fuses. B Karoq This can cause wiring fires, especially on high current circuits (such as the alternator or starter).

Frequent problems with fuses in Škoda Karoq

Some fuses in Karoq fail more often than others. Here are the most common cases and their causes:

  • 🔌 F25 (cigarette lighter) - burns out when connecting powerful devices (vacuum cleaners, compressors). Solution: Use a protected power strip or connect devices directly to the battery.
  • 💡 F15 (interior lighting) - often suffers from moisture in the lampshades. Solution: Dry the lampshades with a hairdryer and check the seals for tightness.
  • 🚗 F30 (climate control) - may burn out during power surges (for example, when “lighting” from another car). Solution: Check the generator and battery.
  • 🔋 F35 (fuel pump) - sometimes fails due to poor quality fuel. Solution: Refuel at reputable gas stations and use additives to clean the fuel system.

If the fuse blows again after replacement, the problem lies deeper. In such cases:

  1. Check the circuit for short circuit with a multimeter.
  2. Inspect the wires for damage (especially kinks).
  3. If you are not sure, contact the service. For example, a short circuit in the wiring harness under the front seat (a common problem in Karoq with heated seats) can cause multiple fuses to blow at the same time.

FAQ: Frequently asked questions about Škoda Karoq fuses

Where can I find the fuse diagram for my version of Karoq?

The fuse diagram depends on the year of manufacture and configuration. The exact diagram can be found:

  • B instruction manual (section "Electrical equipment").
  • On mounting block cover (usually the current diagram is shown there).
  • On the website ErWin (official Škoda portal for dealers, registration required).

If you have a restyled version (2021+), the diagrams may differ - pay attention to the release date in the documentation.

Is it possible to replace the fuse with a higher rating?

❌ Absolutely not. Each fuse is designed for a specific load. For example, if instead 10A put 15A, this can lead to:

  • Melting of wire insulation.
  • Overheating of contacts and fire.
  • Failure of the control unit (for example, BCM), the repair of which will cost tens of thousands of rubles.

If a fuse constantly blows, look for the cause (short circuit, faulty device), and do not increase its rating.

How can you tell if a fuse has blown?

A blown fuse can be identified visually:

  • The thread inside is torn or melted.
  • The housing is blackened or deformed.
  • When checking with a multimeter in the “continuity” mode, there is no audible alert (the resistance tends to infinity).

🔍 Tip: B Karoq some fuses (eg F10 for Kessy) may look intact, but have microcracks. If the system does not work, and the fuse is visually intact, replace it with one that is known to be working.

What should I do if the system does not work after replacing the fuse?

If the problem persists after replacing the fuse, check:

  1. The fuse itself - it may be defective or of the wrong denomination.
  2. Relay - it may fail at the same time as the fuse (for example, a fan relay K7 in the block under the hood).
  3. Wiring — inspect the wires for breaks or melting (especially in kinks).
  4. Control unit - if the fuse is responsible for ECUThe unit itself may have burned out (diagnostics required).

For example, if after replacing F25 (cigarette lighter) socket does not work, check:

  • The contacts are in the socket itself (they may oxidize).
  • The wire running from the socket to the fuse box (often frays under the dashboard).
Where to buy fuses for Karoq?

Fuses for Škoda Karoq sold:

  • B auto shops (for example, Mini- fuses cost ~10–30 rubles apiece).
  • B online stores (Wildberries, Ozon, Exist.ru). Search by article:
    • N 908 132 01 - set Mini- fuses (10 pcs.).
    • N 908 132 03 - set Maxi- fuses (for the block under the hood).
  • U official Škoda dealers (more expensive, but guaranteed original).

⚠️ Attention: Do not buy fuses from unknown brands - they may have poor-quality contacts, which will lead to poor connections and repeated burnouts.