SEAT Ibiza V KJ1 / 6F (2018) is the fifth-generation hatchback. The documented car has a passenger compartment fuse box with 46 listed positions and an engine bay fuse box with 21 listed positions. Some number labels are absent from the source table because they are not populated in the described equipment variant; numbers have not been renumbered to fill those gaps.
These are all 67 source rows in two full tables, including their specified fuse ratings and two original location diagrams. On engine positions 1, 6, 20, 25 and 27 the source shows alternative amperage values for MPI, TSI, diesel, CNG, climate and heating variants. Always use the exact rating for the installed equipment, not the largest value shown.
Where are the SEAT Ibiza V 2018 fuse boxes?
Cabin: on the driver’s side of the lower dashboard, behind the accessible panel to the left of the steering column. Engine compartment: beside the battery inside a protective fuse-box housing with a clipped lid. Switch the ignition off and refit the engine cover tightly to keep water and dirt out.
SEAT Ibiza V 2018 dashboard fuse positions
Cigarette lighter / 12 V outlet: position 2 (20 A). Radio / multimedia: 19 (25 A). Horn: 36 (20 A). Front wiper circuit: 18 (30 A), with steering-column control at 14 (10 A). Rear window heating: 20 (30 A). Additional multimedia/USB supply: 24 (5 A), depending on equipment.
| Position | Rating [A] | Protected circuit / function |
|---|---|---|
| 1 | 20 | Towbar electrical supply |
| 2 | 20 | Cigarette lighter / 12 V socket |
| 3 | 30 | Audio amplifier |
| 5 | 30 | Panoramic roof |
| 6 | 40 | Central locking |
| 8 | 30 | Heating / Climatronic blower |
| 10 | 20 | Towbar electrical supply |
| 11 | 7.5 | CNG gas shut-off solenoid valves |
| 13 | 7.5 | Lighting switch, steering column switches, diagnostic connector and rain/light sensor |
| 14 | 10 | Windscreen wiper stalk switches |
| 15 | 7.5 | Instrument cluster |
| 16 | 40 | Right headlamp supply |
| 17 | 30 | Right-side electric door windows |
| 18 | 30 | Windscreen wipers |
| 19 | 25 | Radio and multimedia |
| 20 | 30 | Heated rear window |
| 21 | 30 | SCR / AdBlue controller |
| 23 | 7.5 | Reversing camera |
| 24 | 5 | Communications hub, USB/AUX socket, telephone amplifier and multimedia display |
| 25 | 7.5 | Multifunction steering wheel electronics |
| 26 | 7.5 | CAN gateway control module |
| 27 | 7.5 | Adaptive suspension controller |
| 28 | 7.5 | Anti-theft alarm sensor |
| 29 | 7.5 | Alarm siren |
| 31 | 7.5 / 15 | Manual climate controller or Climatronic controller, equipment-dependent |
| 32 | 7.5 | Steering column switch electronics on cars without KESSY |
| 33 | 30 | Left-side electric door windows |
| 35 | 40 | Left-side exterior lighting supply |
| 36 | 20 | Horn |
| 37 | 30 | Front seat heating module |
| 38 | 30 | Body Control Module supply C63 |
| 39 | 10 | Blind-spot detection, parking distance control and radar module |
| 40 | 7.5 | Light switch, diagnostic port, headlamp levelling, steering column and halogen lighting, reversing switch and auto-dimming mirror |
| 41 | 7.5 | Exterior mirror adjustment and folding |
| 42 | 7.5 | Clutch pedal sensor, ignition relays, CNG relay coil and A/C pressure sensor |
| 43 | 15 | Windscreen washer relay coil, rear wiper motor and heated washer nozzles |
| 44 | 7.5 | Airbag controller |
| 45 | 7.5 | Left LED headlamp electronics |
| 46 | 7.5 | Right LED headlamp electronics |
| 48 | 7.5 | Steering-column lock and KESSY controller |
| 49 | 7.5 | SCR relay coil |
| 53 | 7.5 | Automatic gearbox selector and ignition-key interlock |
| 58 | 7.5 | Additional coolant pump |
| 59 | 10 | Heated rear-view mirrors |
| 60 | 30 | Trailer towbar electrical supply |
| 61 | 30 | Trailer towbar electrical supply |
SEAT Ibiza V 2018 engine bay fuses
Engine injection controller at position 1: 10 A MPI, 15 A TSI or 30 A diesel in the documented configuration. Ignition coils / diesel glow heating at position 6: 20 A or 7.5 A according to the powertrain. Starter motor: position 18 (30 A). ABS/ESC pump: 20 (40/60 A); ABS/ESC valves: 21 (25 A). Cooling fan and supplementary heating positions 24-28 depend on climate specification and engine, with alternatives preserved in the table.
| Position | Rating [A] | Protected circuit / function |
|---|---|---|
| 1 | 10 / 15 / 30 | Engine injection controller: 10 A MPI, 15 A TSI or 30 A diesel |
| 2 | 7.5 | Fuel metering valve and low-temperature coolant pump on TJ4/T6P/TJ7; oil-pressure valve, EGR coolant valve, coolant circulation pumps and SCR relay coil on TJ1 |
| 3 | 15 | Oxygen (lambda) sensor |
| 4 | 15 | Petrol fuel pump relay on MPI; fuel pump controller on TSI and diesel |
| 5 | 10 | Pressure converter, boost solenoid, oil-temperature/level sensor, PWM fan, camshaft actuator, EVAP purge and oil-pressure valve on TSI |
| 6 | 20 / 7.5 | Ignition coils on MPI/TSI, or glow-plug relay and intake hose heater on diesel |
| 7 | 15 | Brake vacuum pump on TSI |
| 8 | 10 | Petrol/CNG injectors and electric fuel pump relay coil, or diesel fuel metering valve |
| 9 | 7.5 | Brake servo sensor |
| 10 | 7.5 | Reference power for CAN gateway, battery data and Body Control Module |
| 14 | 7.5 | Engine injection controller, engine main relay and ESC |
| 15 | 30 | DQ200 / AQ160 automatic gearbox controller |
| 17 | 7.5 | Starter diagnostic control, terminal 50 |
| 18 | 30 | Starter motor |
| 20 | 60 / 40 | ESC or ABS pump, 60 or 40 A according to variant |
| 21 | 25 | ESC / ABS hydraulic valves |
| 24 | 30 | Electric cooling fan, TH4 without A/C in temperate climates |
| 25 | 20 / 40 | Cooling fan with A/C, climate-specific, or PTC1 heater |
| 26 | 50 | Electric cooling fan TJ1/TJ4/TJ7/T6P or TH4/T5I for hot climates |
| 27 | 30 / 40 | Cooling fan with A/C or PTC2 heater, depending on variant |
| 28 | 40 | PTC3 auxiliary heater |
SEAT Ibiza 2018 12 V outlet, radio, windows and starter
If a 12 V outlet stops working, disconnect chargers, inspect the socket and check dashboard fuse 2 (20 A). For a radio fault check 19 (25 A) and the optional communications module at 24 (5 A). For a non-working horn inspect 36 (20 A). For front wiper problems start with 18 (30 A) and control switch 14 (10 A). For a no-crank condition, the starter circuit is protected at engine 18 (30 A) but battery, relay, gearbox switch and wiring faults are also possible.
Compare the Volkswagen Polo VI (2017-2020) and Volkswagen T-Cross (2019-2023) for related but different fuse installations; the same MQB A0 architecture does not establish the same position or rating.
SEAT Ibiza V 2018 fuse box FAQ
Where is the cigarette lighter fuse?
Cabin fuse number 2, rated 20 A in this 2018 source.
Which fuse protects the horn?
Cabin position 36 (20 A).
Does Ibiza 2018 have the same fuse ratings for every engine?
No. The engine controller, glow system, ABS pump and radiator cooling circuits have documented alternative ratings.
What about the 2019-2021 Ibiza?
Do not apply the 2018 chart without checking the correct model-year owner’s manual and fuse-box legend.
Never install a larger rating to stop a fuse blowing. Diagnose and repair the underlying electrical fault.