Fuses and relays in the Skoda Oktavia A4 (Oktavia Tour) car with gasoline and diesel engines from 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 models are considered.
Fuse box in the Skoda Octavia A4 (Octavia Tour) cabin
The fuse mounting block is located at the end of the control panel on the driver’s side. The mounting block is covered by a plastic cover, on the back of which there is a diagram with the purpose of the fuses.

Fuse box diagram in the Skoda Octavia cabin

Fuse description
| Number | Current strength, A | Color | Purpose of the fuse |
| 1 | 10 | Red | Heated mirrors, cigarette lighter relay |
| 2 | 10 | Red | Turn signals |
| 3 | 5 | Light brown | Glove box light |
| 4 | 5 | Light brown | Lamp lantern lighting license plate |
| 5 | 7,5 | Brown | Heated seats, heated exterior mirrors |
| 6 | 5 | Light brown | Central locking control unit |
| 7 | 10 | Red | Rear lights, parking assist sensors |
| 8 | 5 | Light brown | Telephone |
| 9 | 5 | Light brown | ABS, ESP control unit |
| 10 | 10 | Red | Ignition |
| 11 | 5 | Light brown | Instrument combination |
| 12 | 7,5 | Brown | Diagnostic connector |
| 13 | 10 | Red | Stop signs |
| 14 | 10 | Red | Interior lighting control unit |
| 15 | 5 | Light brown | Instrument combination |
| 16 | 10 | Red | Air conditioning |
| 17 | 5/30 | Light brown/green | Washer jet heating |
| 18 | 10 | Red | Right high beam headlight bulb |
| 19 | 10 | Red | Left high beam headlight bulb |
| 20 | 15 | Blue | Right dipped beam headlight bulb, electric headlight range adjuster |
| 21 | 15 | Blue | Left dipped beam headlight bulb |
| 22 | 5 | Light brown | Right rear parking light bulb |
| 23 | 5 | Light brown | Left rear parking light bulb |
| 24 | 20 | Yellow | Windshield wiper |
| 25 | 25 | White | Heating system fan |
| 26 | 25 | White | Heated tailgate glass |
| 27 | 15 | Blue | Tailgate window wiper |
| 28 | 15 | Blue | Fuel pump relay |
| 29 | 15/10 | Blue/red | Electronic engine control unit |
| 30 | 20 | Yellow | Electric sunroof drive |
| 31 | – | – | Reserve |
| 32 | 10,30 | Red, green | Fuel injectors |
| 33 | 20 | Yellow | Headlight washers |
| 34 | 10 | Red | Electronic engine control unit |
| 35 | 30 | Green | Power socket in the trunk |
| 36 | 15 | Blue | Fog lights |
| 37 | 20/5 | Yellow/light brown | Electronic engine control unit |
| 38 | 15 | Blue | Central locking control unit, luggage compartment light |
| 39 | 15 | Blue | Emergency light alarm |
| 40 | 20 | Yellow | Sound signal |
| 41 | 15 | Blue | Cigarette lighter fuse Skoda Octavia Tour |
| 42 | 15 | Blue | Audio system, telephone |
| 43 | 10 | Red | Electronic engine control unit |
| 44 | 15 | Blue | Seat heating |
| RES | – | – | Reserve |
Relay in the Skoda Octavia A4 cabin
The relay mounting block is located under the control panel cover. The cover must be removed to access it.

Relay block diagram in the Skoda Octavia Tour cabin

- sound signal relay;
- switching relay;
- lighting amplifier;
- fuel pump relay;
- wiper control unit.
Fuse and relay block in the engine compartment Skoda Oktavia A4 (Oktavia Tour)
The fuses and jumpers in the mounting block located in the engine compartment of the Skoda Oktavia A4, Oktavia Tour are located on the battery under the cover.


Description of fuses and fuses
| Fuse number | Current strength, A | Fuse color | Protected chain |
| 1 | 110/150 | – | Generator |
| 2 | 110 | – | Interior lighting control unit |
| 3 | 40/50 | – | Electric motor of the engine cooling system |
| 4 | 50 | – | Electronic control unit |
| 5 | 50 | – | Diesel engine glow plugs |
| 6 | 30 | Green | Electric motor of the engine cooling system |
| 7 | 30 | Green | ABS control unit |
| 8 | 30 | Green | ABS control unit |