SEAT Leon (2005 - 2012) Fuse Box Location & Diagrams

SEAT Leon (2005 – 2012) Fuse Box Location & Diagrams

SEAT Leon (2005 – 2012) Fuse Box Location & Diagrams

The SEAT Leon (2005–2012) features multiple fuse boxes that protect its electrical circuits and vehicle systems. Knowing their locations and fuse assignments helps identify electrical faults, replace blown fuses, and maintain essential components such as lighting, power windows, climate control, and infotainment systems.

Fuse Box Location

Passenger Compartment Fuse Box

The fuses are located on the left hand side of the dash panel behind a cover.

Passenger Compartment Fuse Box Location

Engine Compartment Fuse Box

Engine Compartment Fuse Box Location

Fuse Box Diagram

Passenger Compartment Fuse Box

Passenger Compartment Fuse Box Diagrams

SEAT Leon (2005 & 2006)
Fuse NumberElectrical EquipmentAmperes (A)
1Petrol and diesel engine control unit (2005–2006)10
2ABS/ESP control unit (2005–2006)5
3Airbag control unit (2005–2006)5
4Heating controls, pressure sensor, heated seats, ESP switch, reverse gear (2005–2006)5
5Left and right headlamp motor, dimmer, GDL control unit (2005–2006)5
6Gateway, automatic gearbox lever (2005–2006)5
7Windscreen relay, heated mirrors, VDA telephone (2005–2006)5
8Trailer control unit (2005–2006)5
9Vacant (2005–2006)—
10Vacant (2005–2006)—
11Vacant (2005–2006)—
12Door control unit (Autolock K3) (2006); Door control (2005)10
13Diagnosis, light switch, brake (2005–2006)10
14Automatic gearbox (2005–2006)5
15Cable/Wiring control unit (2005–2006)7.5
16Heating controls, air and air conditioning (2005–2006)10
17Rain sensor (2005–2006)5
18Automatic gearbox selector lever, parking aid control unit (2006); Automatic gearbox, parking aid control (2005)5
19Vacant (2005–2006)—
20ESP control unit (2005–2006)5
21D2L engine (20–147 kW) (2005–2006)10
22Heater (2005–2006)40
23Door control unit (2005–2006)30
24Cigarette lighter (2005–2006)25
25Cable/Wiring control unit (2005–2006)25
2612V power sockets (2005–2006)30
27FSI control unit, fuel relay, EKP 1.6 relay (2005–2006)15
28Comfort system control unit (2006); Vacant (2005)25 (2006)
29Flow meter/Flowmeter, engine (2005–2006)10
30Prewired (2005–2006)20
31Vacuum pump (2005–2006)20
32Door control unit (2005–2006)30
33Sunroof (2005–2006)30
34Comfort system control unit (Autolock 4 K3) (2006); Convenience controls (2005)25
35Alarm sensor, horn (2005–2006)5
36Headlight washer system (2005–2006)20
37Seats (2005–2006)30
38Engine (2005–2006)10
39Automatic gearbox (2005–2006)20
40Heater (2005–2006)40
41Power tailgate (2005–2006)15
42Cable/Wiring control unit (2005–2006)15
43Trailer control unit (2005–2006)15
44Trailer control unit (2005–2006)20
45Trailer control unit (2005–2006)15
46Heated washer jets, heating controls, air conditioning (2005–2006)5
47Lambda probe (oxygen sensor) (2005–2006)10
48Lambda probe (oxygen sensor) (2005–2006)10
49Light switch (2005–2006)7.5
SEAT Leon (2007 & 2008)
Fuse NumberElectrical EquipmentAmperes (A)
1Diagnosis, instrument lighting/headlight control unit, flow meter, heated wipers (2008); Diagnosis, instrument lighting control unit, headlamp range control, flow meter, heated windscreen control unit (2007)10
2Engine control unit, ABS-ESP control unit, automatic gearbox, instrument panel, trailer control unit, light switch, brake sensor, power steering, right and left headlight control unit (2007–2008)5
3Airbag (2007–2008)5
4Heating, reverse switch, ASR-ESP switch, telephone, nozzles/fillers, electrochrome anti-dazzle mirror, Tom-Tom navigator (2008); Electrochrome mirror (2007)5
5Right xenon headlight (2007–2008)5
6Left xenon headlight (2007–2008)5
7Vacant (2007–2008)—
8Vacant (2008); Trailer pre-installation kit (2007)5 (2007)
9Vacant (2007–2008)—
10Vacant (2007–2008)—
11Vacant (2007–2008)—
12Central locking (2007–2008)10 (2007) / 15 (2008)
13Diagnosis, light switch, rain sensor (2007–2008)10
14Automatic gearbox, heating, ESP control unit, automatic gearbox lever (2007–2008)5
15Cable control unit (2007–2008)7.5
16Vacant (2007–2008)—
17Alarm (2007–2008)5
18Vacant (2007–2008)—
19Vacant (2008); Fog lamp kit (guided solution) (2007)—
20Vacant (2007–2008)—
21Engine management (2008); D2L Engine 2.0L 147 kW 4-speed TFSI (2007)10
22Blower control (2008); Fan switch (2007)40
23Electric windows (front) (2007–2008)30
24Vacant (2007–2008)—
25Rear window heater (2007–2008)25
26Rear electric windows (2007–2008)30
27Engine (fuel control unit/pump relay) (2008); Engine (fuel pump relay, flow meter) (2007)15
28Convenience controls (2007–2008)25
29Vacant (2007–2008)—
30Automatic gearbox (2007–2008)20
31Vacuum pump (2007–2008)20
32Vacant (2007–2008)—
33Sunroof (2007–2008)30
34Convenience controls (2007–2008)25
35Vacant (2007–2008)—
36Headlight washer system (2007–2008)20
37Heated seats (2007–2008)30
38Engine management (2008); D2L Engine 2.0L 147 kW 4-speed TFSI (2007)10
39Vacant (2007–2008)—
40Blower control (2008); Fan switch (2007)40
41Rear wiper motor, switchboard wiring (2008); Rear wiper motor, wiring control unit (2007)15
4212V socket, cigarette lighter (2008); 12V socket, lighter (2007)15
43Trailer bracket pre-installation (2008); Tow bar pre-installation (2007)15
44Trailer bracket pre-installation (2008); Tow bar pre-installation (2007)20
45Trailer bracket pre-installation (2008); Tow bar pre-installation (2007)15
46Vacant (2007–2008)—
47Engine management (2008); D2L Engine 2.0L 147 kW 4-speed TFSI (2007)10
48Engine management (2008); D2L Engine 2.0L 147 kW 4-speed TFSI (2007)10
49Vacant (2007–2008)—
SEAT Leon (2009 – 2012)
Fuse NumberElectrical EquipmentAmperes (A)
1Diagnosis switchboard, instrument lighting, headlight control switchboard, flow meter, heated wipers, engine management, AFS headlamps (2009–2012)10
2Engine control unit, ABS-ESP/ESC (ESP) control unit, automatic gearbox, instrument panel, trailer control unit, light switch, brake sensor, power steering, right and left headlights (2009–2012)10
3Airbag (2009–2012)5
4Heating, reverse switch, ASR-ESC (ESP) switch, electrochrome mirror, Park Pilot, oil level sensor (2009–2012)5
5Right xenon headlight (2009–2012)10
6Left xenon headlight (2009–2012)10
7Vacant (2009–2012)—
8Vacant (2009); Trailer hook pre-installation assistant (2010–2012)5 (2010–2012)
9Vacant (2009–2012)—
10Vacant (2009–2012)—
11Vacant (2009–2012)—
12Central locking (2009–2012)15
13Diagnosis, light switch, rain sensor, heated rear window (2009–2012)10
14Automatic gearbox, heating, automatic gearbox lever (2009–2012)10
15Vacant (2009–2012)—
16Vacant (2009–2012)—
17Alarm (2009–2012)5
18Vacant (2009); Kombi / levers with START STOP (2010–2012)5 (2010–2012)
19Vacant (2009); Fog light aid (2010–2012)20 (2010–2012)
20Vacant (2009); Navigation/radio with START STOP (2010–2012)15 (2010–2012)
21Engine management (2009–2012)10
22Fan switch (2009–2012)40
23Electric windows (front) (2009–2012)30
24Body Control Unit / BCM switchboard (2009–2012)20
25Heated rear window (2009–2012)25
26Rear electric windows (2009–2012)30
27Engine fuel control unit / pump relay (2009–2012)15
28Convenience controls (2009–2012)30
29Vacant (2009–2012)—
30Automatic gearbox (2009–2010); Vacant (2011–2012)20 (2009–2010)
31Vacuum pump (2009–2012)20
32Vacant (2009–2012)—
33Sunroof (2009–2012)25
34Comfort switchboard / Central locking system (2009–2012)25
35Vacant (2009–2012)—
36Headlight washer system (2009–2012)20
37Heated seats (2009–2012)30
38Engine management (2009–2012)10
39Vacant (2009); Telephone with START STOP (2010–2012)10 (2010–2012)
40Fan switch (2009–2012)40
41Rear wiper motor / Switchboard wiring (2009–2012)20
4212V socket / Cigarette lighter (2009–2012)20
43Trailer bracket pre-installation (2009–2012)15
44Trailer bracket pre-installation (2009–2012)20
45Trailer bracket pre-installation (2009–2012)15
46Vacant (2009–2012)—
47Engine management (2009–2012)10
48Engine management (2009–2012)10
49Vacant (2009–2012)—

Engine Compartment Fuse Box

Engine compartment Fuse Box Diagrams

SEAT Leon (2005 & 2006)
Fuse No.Electrical EquipmentAmperes (A)
1Wiper System30A
2Steering Column5A
3Cable Control Unit5A
4ABS System30A
5AQ Gearbox15A
6Instrument Panel5A
7Vacant—
8Radio15A
9Telephone5A
10Main Relay in FSI/Diesel Engine Compartment and Injection Module Supply5A
10 (Variant)Main Relay in Engine Compartment D2L (2.0 FSI 147 kW)10A
11Vacant—
12Gateway Module5A
13Petrol Injection Module Supply25A
13 (Variant)Diesel Injection Module Supply30A
14Ignition Coil20A
15Engine T71 / 2.0 FSI Pump Relay5A / 10A
16ADS Pump30A
17Horn15A
18Vacant—
19Cleaning System30A
20Vacant—
21Lambda Probe (Oxygen Sensor)15A
22Brake Pedal Switch, Speed Sensor5A
231.6 Litre Engine Main Relay (Relay No. 100)5A
23 (Variant)T71 Diesel EGR Valve10A
23 (Variant)2.0 D2L High-Pressure Fuel Pump15A
24ARF, Change Valve10A
25Right Lighting System40A
26Left Lighting System40A
26 (Variant)1.6 SLP Engine40A
271.9 TDI Glow Plug Relay50A
28KL15 Ignition Power Supply40A
29Electric Windows (Front and Rear)50A
29 (Variant)Front Electric Windows30A
30Contact Relief Relay40A
SEAT Leon (2007 & 2008)
Fuse NumberConsumer / Electrical EquipmentAmperes
1Cleaning System30A
2Steering Column5A
3Cable Control Unit5A
4ABS System30A
5Automatic Gearbox15A
6Instrument Panel5A
7Vacant—
8Radio15A
9Telephone (2007) / Telephone + TomTom Navigator (2008)5A
10Main Relay / Engine Management Supply (2007) / Engine Management (2008)5A / 10A
11Vacant—
12Gateway Control Unit5A
13Petrol Injection Module Supply25A
13Diesel Injection Module Supply30A
14Ignition Coil20A
15Engine T71 / 20 FSI Pump Relay (2007) / Engine Management & Fuel Pump Relay (2008)5A / 10A
16ADS Pump (2007) / ABS Pump (2008)30A
17Horn15A
18Vacant—
19Cleaning System30A
20Vacant—
21Lambda Probe (Oxygen Sensor)15A
22Brake Pedal & Speed Sensor5A
23Main Relay / EGR / High-Pressure Fuel Pump (2007) / Engine Management (2008)5A / 10A / 15A
24ARF Change Valve (2007) / AKF & Gearbox Valve (2008)10A
25Right Lighting System40A
26Left Lighting System40A
27KL15 / Diesel Glow Plug Relay / Engine Management (2007) / Engine Management (2008)40A / 50A
28Not Listed (2007) / Ignition Key Supply (2008)40A
29Electric Windows (Front & Rear) / Front Electric Windows50A / 30A
30X-Relief Relay (2007) / Ignition Key Supply (2008)40A
SEAT Leon (2009 – 2012)
Fuse NumberConsumer / ComponentAmperes (A)
1Windscreen wipers30A
2DQ200 gearbox30A
3Cable control unit5A
4ABS20A
5AQ gearbox15A
6Instrument panel / Steering column5A
7Ignition key40A
8Radio15A
9Telephone / TomTom Navigator5A
10Engine management5A
10Engine management10A
11Vacant—
12Electronic control unit5A
13Petrol injection module supply15A
13Diesel injection module supply30A
14Coil20A
15Engine management5A
15Pump relay10A
16Right lighting30A
17Horn15A
18Vacant—
19Clean30A
20Water pump10A
20Pressure sensor pump for 1.8 engine20A
21Lambda probe15A
22Brake pedal / Speed sensor5A
23Engine management5A
23Engine management10A
23Engine management15A
24AKF / Gearbox valve10A
25ABS pump40A
26Left lighting30A
27Engine management40A
27Engine management50A
28Vacant—
29Electric windows (front and rear)50A
29Electric windows (front)30A
30Ignition key50A
Side box
Fuse NumberElectrical Equipment (Year Difference)Amperes (A)
B1Alternator (Less than 140 W) –150A
B1Alternator (More than 140 W) –200A
C1Power steering / Power steering servo –80A
D1PTCs (Supplementary electrical heating using air) – 2005 only100A
D1Multi-terminal voltage supply “30” / Internal fuse box – 2006, 2007, 2008100A
E1Ventilator (Less than 500 W) –50A
E1Ventilator (More than 500 W) –80A
F1PTCs (Supplementary electrical heating using air) – 2006, 2007100A
F1PTCs (Supplementary electrical heating using air) – 200880A
G1Trailer fuse voltage supply in internal fuse box – 2005, 2006, 200750A
G1PTC (Supplementary electrical heating using air) – 200840A
H1Central locking control unit (4F8 with autolock) – 2006, 2007—
H1Central locking control unit – 2008—

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