Owners ŠKODA Octavia Tour (including restyled versions 2017–2023) are often faced with the need to check or replace fuses, whether due to broken headlights, failure of head units or problems with electronics. However, finding the right fuse in this car is not so easy: the blocks are distributed in several zones, and their purpose varies depending on the configuration and year of release.
In this article we will look at exact locations all safety locks in Octavia Tour (body A7 and A7 FL), we shall provide current schemes with decryption for Russian and European versionsWe will also show you how to safely diagnose and replace. We will pay special attention to pitfalls, for example, why some fuses may not be in your car, despite instructions in the manual.
Where are the fuse boxes in the ŠKODA Octavia Tour?
B Octavia Tour fuses and relays are distributed across three main blocks:
- 🚗 Main unit in the cabin - to the left of the steering column, behind the plastic cover. Here are concentrated fuses for most consumers (light, multimedia, climate control).
- 🔧 Block under the hood — next to the battery, in a plastic box. Responsible for power circuits (starter, generator, fans).
- 🔌 Additional unit in the trunk - only in versions with virtual dashboard (
Virtual Cockpit) or premium audio systems. It is often overlooked in standard instructions.
Important: in restyled models (2017+) the location of the blocks has not changed, but safety-value They may be different. For example, the fuse of the cigarette lighter in the basic versions - 15AAnd in heated cars, the seats -- 20A.
- 2013–2016 (before facelift)
- 2017–2020 (facelift)
- 2021–2023 (latest versions)
- I don't know
Fuse circuit in the cabin unit (left side of the steering wheel)
The most popular block is the salon. To get to him:
- Open the driver's door and sit down to see the left side of the dashboard.
- Click on cap-holder (Located in the lower left corner of the panel) and pull it on you.
- Under the cover you will see a block with fuses (
upper part) and relay (bottom part).
Below - current scheme for most of the complete sets (including Ambition, Style and RS). Please note that your car may not have some fuses if the appropriate equipment is not installed.
| Number | Rating (A) | Purpose | Note |
|---|---|---|---|
S1 |
5 | Interior lighting, glove compartment lighting | Often burns out when installing LED lamps |
S10 |
10 | Audio system (Bolero, Amundsen) | In versions with Canton — 15A |
S25 |
15 | Cigarette lighter, 12V socket in trunk | With a short circuit, the nest can burn out. |
S30 |
20 | Heated front seats | Not available in basic configurations |
S45 |
25 | Electric folding mirrors | Check when auto-folding fails |
⚠️ Attention: fuse S35 (10A) responsible for the work rear view cameras and parking sensors. If the problem remains after replacement, check the relay. J317 in the same block - it often "sticks" when humid.
☑️ Diagnosis of safety locks in the cabin
Fuse box under the hood: what you need to know
The engine compartment block is located to the right of the battery (when viewed in the course of traffic) and closed with a black plastic cover with the inscription ŠKODA. Here are power fuses and relays responsible for:
- ⚡ Starter and generator - fuses
SB2 (150A)andSB3 (100A). - 💨 Cooling fans - relay
J254andJ255. - 🔋 ABS and ESP - fuse
SB10 (30A). - 🚨 Signaling and central lock - fuse
SB15 (15A).
🔴 Critical Feature: In cars with diesel engine (for example, 2.0 TDI) a safety lock has been added to this block SB40 (80A) for the system AdBlue. It can cause a burnout. engine emergency mode and error P20EE on diagnostics.
When replacing the safety locks under the hood:
- Required remove the negative terminal from the battery Even when the ignition is turned off, some circuits remain under voltage.
- Use dielectric gloves The block is located close to the metal parts of the body.
- After replacement, check cap-density - ingress of moisture leads to corrosion of contacts.
What to do if the fuse blows again?
If the new fuse burns immediately after installation, this indicates a short circuit in the chain. In this case:
1. Do not install a fuse of a larger rating - this may cause a fire!
2. Disconnect all consumers connected to this chain (for example, if the fuse of the cigarette lighter is on, disconnect all devices from sockets).
3. Check the wiring for damage to the insulation or melted areas. Pay special attention to the places where the wires pass through metal holes in the body.
4. If you can not find the cause yourself, contact an electrician with a diagnostic scanner (for example, VCDS for ŠKODA).
Additional unit in the trunk: where to look and why it is needed
Many owners Octavia Tour don't know about existence third-block safety locks, which is located under the trunk floor, to the right of the spare wheel. It is only present in machines with:
- 🎵 Premium Canton Audio System (amplifier in the trunk).
- 📱 Virtual dashboard (
Virtual Cockpit). - 🔋 Additional Webasto Heater (in the northern trim levels).
To access:
- Lift the floor of the trunk (pull the loop near the spare).
- Remove the plastic cover (attached to the latches).
- Underneath it you will see a small block with 4-6 fuses.
| Number | Rating (A) | Purpose |
|---|---|---|
F1 |
20 | Audio system amplifier Canton |
F2 |
10 | Module Virtual Cockpit |
F3 |
30 | Additional heater Webasto |
⚠️ Attention: If your machine does not have the listed equipment, this unit may not be available at all. Don't confuse him with rear-electric control (See also, but with a gray box with an inscription) J685).
How to check and replace a fuse: step-by-step instructions
To diagnose and replace fuses you will need:
- 🔧 Tweezers (usually with a car in the glove compartment).
- 📊 Multimeter (or a tester with a dialing function).
- 🔋 Spare fuses (set with denominations from
5Aup to30A). - 📸 Smartphone - to photograph the circuit before extraction.
Procedure:
- Turn off the ignition and
remove the keyfrom the castle. - Remove the block cover (in the cabin or under the hood).
- Find the safety lock according to the scheme (see para. section above or block-cover.
- Remove the fuse with tweezers and check it:
- Visually, the burnt thread will be broken.
- Multimeter – in the vertebrae mode, the resistance should be
0 ohm.
If there is no multimeter at hand, you can check the fuse "for a spark": insert it into the socket when the ignition is turned on and sway slightly. If there is a short circuit, you will see a sparkle. However, this method is not safe – it is better to use a tester.
Common problems and their solutions
Here are typical situations owners face Octavia Tour, and ways to eliminate them:
- 💡 Headlights or tail lights do not work:
- Check fuses
S5 (10A)(left headlight) andS6 (10A)(right headlight). - If the fuses are intact, check them out. relay
J317- it's responsible for light circuits. - In cars with xenon additionally check the ignition unit (
D1/D2under the hood).
- Check fuses
- 🔊 No head unit or screen.:
- fuse
S10 (10A)orS11 (20A)(for navigation systems). - If after replacing the head unit does not respond, reset its settings: press
SETUP+MEDIAfor 10 seconds.
- fuse
- 🚪 The electric mirrors or the glass don't work.:
- fuse
S45 (25A)(mirrors) orS38 (30A)(glasses) - Check doorway - Wires often fray.
- fuse
⚠️ Attention: If after replacing the fuse S25 (15A) He's burning out again, don't be quick to blame the socket. V Octavia Tour often the problem is in front-wiringwhere the lighter wires may touch the metal frame. The solution is to isolate the wires. heat shrink tube.
FAQ: Frequently asked questions about fuses in the ŠKODA Octavia Tour
Where can I find a fuse diagram for my configuration?
The scheme of fuses depends on the year of release and equipment of the car. The most reliable way is to look at back-end (There is a current diagram in there). You can also:
- Download manual For your model (specify VIN when searching).
- Use the base ETKA or ElsaWin (available through diagnostics).
⚠️ Note: Schemes from the Internet often contain errors, especially for Russian versions with non-standard options.
Is it possible to install a fuse of a higher rating if it constantly blows?
Absolutely not! Increasing the fuse rating may result in:
- Melting wiring (especially dangerous in the chains of the cigarette lighter or heating the seats).
- The fire in the salon - in Octavia Tour The wires often pass near the thermal insulation.
- Failure of expensive modules (e.g., MIB2 in a head unit.
If the safety lock burns out again, look for it. short circuit Or go to the electrician.
Which safety lock is responsible for heating the steering wheel?
Heated steering wheel Octavia Tour (optional 9ZV) protected by a safety lock S40 (15A) in the salon block. If heating does not work:
- Check this fuse.
- Make sure the function is activated in the settings (
Menu → Comfort → Heated steering wheel). - Ring the chain from the safety lock to heater (located under the steering wheel).
🔹 In cars without an option 9ZV fuse S40 may be missing.
What if the equipment does not work after replacing the fuse?
Possible reasons:
- 🔌 Relay faulty Check the appropriate relay in the block (e.g.,
J317for lighting. - 📶 Broken wire - test the circuit with a multimeter.
- 🖥️ Control unit failure Diagnosis is required (e.g. error)
B114Ain BCM). - 🔋 Poor contact Clean the nests of the fuse from oxidation (use) contact lubricant).
If replacing the fuse did not help, start the diagnosis with checking the relay and integrity of the wiring. In 60% of cases, the problem lies not in the fuse itself, but in the accompanying elements of the chain.
Is there a difference in fuses for diesel and gasoline versions?
Yes, there are a few key differences:
- In diesel versions (
1.6 TDI,2.0 TDI) fuse addedSB40 (80A)for the system AdBlue. - fuse
SB10 (30A)In the diesel engine, it is also responsible for glow plugs. - In petrol vehicles (
1.4 TSI,1.8 TSI) fuseSB5 (50A)protects the chain fuel pump.
🔹 The complete diagram for your version can be found by the VIN code in ETKA.