Owners Ε koda Octavia Tour with motor 1.8 TSI (including versions A5 FL and A7) sooner or later they face the need to check or replace fuses. Cigarette lighter failure, non-working headlights, problems with the radio or power windows - most often the burnt out one is to blame fuse. But how can you find it among dozens of elements in a block? And why do some fuses blow over and over again?

In this article you will find current fuse box diagrams for Octavia Tour 1.8 (2004–2013 and 2013–2020), a detailed description of their purpose, as well as step-by-step instructions for diagnosis and replacement. We will analyze common mistakes that lead to fuses failing and give advice on how to avoid repeated breakdowns. If you are looking for information on a specific item (such as a cigarette lighter or fuel pump fuse), use the table of contents for quick navigation.

Where are the fuse boxes located in Octavia Tour 1.8

B Ε koda Octavia Tour with engine 1.8 TSI provided three main fuse boxes:

  • πŸ”§ Main unit (cabin) - located to the left of the steering column, under the instrument panel. Access to it opens after removing the protective cover (pull it towards you).
  • πŸš— Additional block (under the hood) - located next to the battery, in a plastic box with a lid. Most often, high power fuses are located here (for example, for a cooling fan).
  • πŸ”Œ Relay block - can be combined with the main unit or located separately (depending on the year of manufacture). B A7 relays are often located in a separate module under the glove compartment.

On the cover of each block there is a diagram indicating the fuses and their rating. However, over time, the inscriptions are erased and the diagrams become unreadable. Below we will give current schemes for different generations Octavia Tour 1.8.

⚠️ Attention: On models 2013–2020 (facelift A7) fuse locations may vary! For example, the cigarette lighter fuse in 2015 located in the cabin block under number S30 (15A), and in 2018 - already under S42 (20A). Always check your vehicle's owner's manual.

To avoid guessing where to look for the right fuse, use our matching table:

Year of issue Cigarette lighter fuse location Fuse number Denomination (A)
2004–2008 (A5) Cabin block (left) S25 15
2009–2012 (A5 FL) Cabin block (left) S30 20
2013–2016 (A7) Interior block (under the steering wheel) S42 20
2017–2020 (A7 FL) Cabin block (behind the glove compartment) S50 25

Fuse diagrams Octavia Tour 1.8 by year

Below are diagrams for the most popular generations Ε koda Octavia Tour with engine 1.8 TSI. Please note that on A5 FL (2009–2012) and A7 (2013–2020) schemes are different!

πŸ“Š What year is your Octavia Tour 1.8?
  • 2004–2008 (A5)
  • 2009–2012 (A5 FL)
  • 2013–2016 (A7)
  • 2017–2020 (A7 FL)

Ε koda Octavia Tour A5 (2004–2008)

In this generation, the main fuse box is located to the left of the steering wheel. Fuses are responsible for:

  • πŸ”₯ S5 (10A) β€” Dimensions lamps (left side).
  • πŸ”¦ S10 (15A) - Low beam (right headlight).
  • 🎡 S25 (15A) β€” Cigarette lighter, 12V socket.
  • πŸšͺ S30 (20A) - Central locking, alarm.

Ε koda Octavia Tour A5 FL (2009–2012)

After facelift in 2009, the schemes changed. For example, the cigarette lighter fuse has moved to position S30, and its denomination increased to 20A. There are also new fuses for:

  • πŸ“± S40 (10A) - Multimedia system (Bolero, Amundsen).
  • πŸ”‹ S45 (15A) - Body control unit (BCM).
  • πŸ’‘ S50 (10A) β€” Interior and trunk lighting.
Where to look for a diagram for Octavia A7 (2013–2020)?

For Octavia Tour A7 The fuse circuits are duplicated on the inside of the block cover. If the inscriptions are erased, download the official operating manual on the Ε koda website (section "Electrical equipment"). Alternative - photos of blocks from forums SkodaClub.ru or Drive2.

How to check the fuse in Octavia Tour 1.8

Before replacing the fuse, it must be check for functionality. For this you will need:

  • πŸ” Tweezers (usually included with the car).
  • πŸ’‘ Tester (multimeter) or 12V test lamp.
  • πŸ“„ Block diagram (see previous section).

Verification algorithm:

  1. Turn off the ignition and remove the fuse box cover.
  2. Use tweezers to remove the suspected fuse.
  3. Examine it for an item thread break or melting of the housing. If the thread is intact, the fuse is working.
  4. For accurate diagnostics, use a multimeter in continuity mode: touch the fuse contacts with the probes. If the resistance approaches zero, the fuse is good.

β˜‘οΈ Checklist before checking fuses

Done: 0 / 4

If the fuse is blown, don't rush to change it! First find the cause of the short circuit. Common culprits:

  • πŸ”Œ Damaged wiring (for example, after unsuccessful tuning of the radio).
  • πŸ’¦ Moisture getting into the fuse box (relevant for A5 with mileage).
  • πŸ”‹ Faulty relay or consumer (for example, short circuit in the cigarette lighter).
⚠️ Attention: If the new fuse burns out immediately after installation - do not try to install a fuse of a higher rating! This may cause the wiring to catch fire. In this case, it is necessary to diagnose the circuit for a short circuit using a multimeter or contact service.

Replacing fuses: step-by-step instructions

Replace the fuse in Octavia Tour 1.8 you can do it yourself in 5 minutes. The main thing is to maintain consistency and not confuse denominations. Here's what you'll need:

  • πŸ”§ A set of spare fuses (sets are sold at any auto store, cost ~200 rubles).
  • πŸ“Œ Tweezers (usually located in the fuse box).
  • πŸ”¦ Flashlight (for ease of inspection).

Step-by-step algorithm:

  1. Turn off the ignition and remove the negative terminal from the battery (optional, but recommended for security).
  2. Remove the fuse box cover (pull it towards you or slide it to the side, depending on the model).
  3. Locate the blown fuse using the diagram (see previous sections).
  4. Use tweezers to remove the old fuse and insert the new one. same denomination.
  5. Replace the cover and check the operation of the equipment.
πŸ’‘

If you don't have tweezers at hand, you can carefully remove the fuse using small pliers or even your fingernails (if it is not clamped too tightly). However, be careful not to damage adjacent fuses!

After replacement, turn on the ignition and check if the equipment works. If the fuse is blown again, look for short circuit in the chain. The most vulnerable places in Octavia Tour 1.8:

  • πŸ”Œ Wiring under the driver's seat (often frays).
  • πŸš— Rear light connectors (oxidize due to moisture).
  • 🎡 Radio wires (if a non-standard audio system was installed).

Typical problems and their solutions

Owners Octavia Tour 1.8 often encounter recurring problems with fuses. Let's look at the most common cases and ways to eliminate them.

1. The cigarette lighter fuse keeps blowing

If the cigarette lighter fuse (S25/S30/S42/S50 depending on the year) burns out immediately after replacement, the reasons may be as follows:

  • πŸ”Œ Short circuit in the cigarette lighter socket (check for foreign objects or melting).
  • πŸ“± Faulty charger or other connected device (for example, compressor).
  • πŸ”‹ Damaged wiring from the cigarette lighter to the fuse box.

Solution:

  1. Disconnect all devices from the cigarette lighter.
  2. Check the socket for debris or signs of melting.
  3. If the problem persists, test the circuit with a multimeter.

2. Headlights do not work (low/high beam)

If the headlights stop working, check the fuses:

  • πŸ”¦ S10 (15A) - low beam (right headlight).
  • πŸ”¦ S11 (15A) - low beam (left headlight).
  • πŸ”¦ S12 (10A) - high beam (right headlight).
  • πŸ”¦ S13 (10A) - high beam (left headlight).

If the fuses are intact, but the headlights do not light, check:

  • πŸ’‘ Lamps (possibly burnt out).
  • πŸ”Œ Light relay (located in the relay block).
  • πŸ“‰ Voltage at the headlight connectors (should be ~12V when the lights are on).
πŸ’‘

If headlight fuses blow, the most common culprit is oxidized contacts in the lamp sockets or damaged wiring in the harness going to the headlight.

3. The radio does not work (Bolero, Amundsen)

Problems with the audio system in Octavia Tour 1.8 often associated with a fuse S40 (10A). If replacing it does not help, check:

  • πŸ”Œ Radio power connectors (may oxidize).
  • πŸ”‹ The fuse is in the radio itself (if it is non-standard).
  • πŸ“Ά Antenna cable (sometimes problems with radio reception are not related to the power supply, but to the antenna).

What fuses should I buy for replacement?

For Ε koda Octavia Tour 1.8 standard ones fit blade fuses (type ATO/ATC). You can buy them:

  • πŸ›’ In auto stores (AutoDetail, existential, AutoSpetsCenter).
  • 🌍 On marketplaces (Wildberries, Ozon, AliExpress).
  • 🏒 At official Ε koda dealerships (the most expensive but reliable option).

Recommended brands:

  • πŸ”Ή Hella β€” German quality, reliable contacts.
  • πŸ”Ή Bosch - a time-tested manufacturer.
  • πŸ”Ή Valeo β€” good price/quality ratio.
  • πŸ”Ή Standard (Russia) - a budget option, but the quality is worse.

Selection tips:

  • πŸ” Buy fuses from reserve at par (for example, a set from 5A to 30A).
  • πŸ“¦ Pay attention to the packaging - it must indicate the standard (ISO 8820-3).
  • ⚠️ Do not take fuses from AliExpress without reviews - you often come across fakes with the wrong rating.
πŸ’‘

Keep spare fuses in the glove compartment or under the driver's seat. On the road, this will save time if the cigarette lighter or headlights suddenly fail.

Common mistakes when working with fuses

Even experienced car owners sometimes make mistakes that lead to repeated breakdowns or even fires. That's it can't do:

  • πŸ”₯ Install a fuse of a higher rating (for example, instead of 15A put 20A). This may cause the wiring to melt.
  • πŸ”§ Use bugs (homemade wire jumpers). This is extremely dangerous and often causes fires!
  • πŸ’‘ Ignore the cause of combustion. If the fuse is blown, there is a problem in the circuit. A simple replacement without diagnostics will lead to a repeat of the situation.
  • πŸ”‹ Check the safety locks for sparks. (By connecting them to the AKB's plus terminal). It is not safe and can damage electronics.

Typical consequences of wrong actions:

  • πŸ”₯ Melting wire insulation (due to high current).
  • πŸ’₯ Control unit failure (for example, BCM or ECU).
  • πŸš— Failure of multiple systems simultaneously (If the bug caused a short circuit in the common circuit).
⚠️ Attention: If the fuse is replaced with a smell of smoke or burn, disconnect the battery immediately and get in the service! This is a sign of a short circuit that can lead to a fire.

FAQ: Frequently asked questions about fuses Octavia Tour 1.8

πŸ” Where is the fuel pump fuse in the Octavia Tour 1.8?

B Octavia Tour 1.8 (like A5, so A7) the safety lock of the fuel pump is located in salon block under number S28 (15A). Some modifications (for example, with a motor) CDAB) it may be indicated as S29. If after replacing the fuse, the fuel pump does not work, check the relay K3 (it is responsible for powering the pump).

⚑ Why does the fuse of the cigarette lighter burn when the compressor is connected?

This happens due to exceeding maximum load. Cigarette lighter fuse Octavia Tour 1.8 designed for 15-25A (depending on the year), and powerful compressors (especially cheap Chinese models) can consume up to 20–30A. Solutions:

  • Use a compressor with safety-lock.
  • Connect the compressor directly to the battery via crocodiles (but don’t forget polarity!).
  • Install an additional fuse on 30A In the chain of the lighter (requires the completion of the wiring).
πŸš— Is it possible to drive without a fuse if it's blown?

Absolutely not! The safety lock protects the chain from overload. If you remove it, then with a short circuit:

  • They can burn. wires (Melting insulation)
  • Failure control unit (for example, BCM or ECU).
  • Arise fire (in extreme cases).

If the fuse of a critical system (for example, a fuel pump or ABS) burns down, it is better to call a tow truck or tow the car to the service.

πŸ”§ Which fuse controls the radio? Bolero?

B Octavia Tour A7 (2013–2020) regular-staff Bolero fuse responds S40 (10A) in the cabin block. If the radio does not turn on after replacement, check:

  • fuse S41 (10A) - is responsible for the display.
  • Power connectors behind the head unit (can oxidize).
  • Settings in the menu (Settings β†’ System β†’ Reset).
πŸ’‘ Why do lights burn even if the lamps are new?

If headlamp safety locks (S10–S13) burn regularly, the problem is not the lamps, but:

  • πŸ”Œ Oxidized contacts in the cartridges of headlights (clean and lubricate with a special paste).
  • πŸ”‹ Damaged wiring in the tourniquet from the fuse block to the headlight.
  • πŸš— Faulty light relay. (check the relay) K7 or K8 in the relay block).
  • πŸ’‘ Poor grounding headlights (check the mass on the body).

If you are not sure of your abilities, contact an auto electrician - wiring diagnostics requires experience.