Seat Leon (2013-2020) - Workshop Manual / Repair Manual

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SEAT LEON (2013-2020) - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING SCHEMATICS

- English Workshop Manual and Wiring Schematics, for cars Seat Leon (2013-2020).

INDEX:

SERVICE MANUAL

1.0 l direct injection
- 00 – Technical data
- 1 Safety information
- 2 Identification
- 3 Repair instructions
- 10 – Removing and installing engine
- 1 Removing and installing engine
- 2 Assembly mountings
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Toothed belt drive
- 3 Valve gear
- 4 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil cooler
- 3 Crankcase ventilation
- 4 Oil filter, oil pressure switch
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump, regulation of cooling system
- 3 Coolant pipes
- 4 Radiator, radiator fan
- 21 – Turbocharging/supercharging
- 1 Turbocharger
- 2 Charge air system
- 24 – Mixture preparation - injection
- 1 Injection system
- 2 Injectors
- 3 Air filter
- 4 Intake manifold
- 5 Sensors
- 6 Engine (motor) control unit
- 7 High-pressure pump
- 8 Lambda probe
- 26 – Exhaust system
- 1 Exhaust pipes, silencers
- 2 Exhaust gas cleaning
- 28 – Ignition system
- 1 Ignition system

1.2 l direct injection
- 00 – Technical data
- 1 Identification
- 2 Safety instructions
- 3 Repair instructions
- 10 – Removing and installing engine
- 1 Removing and positioning the engine
- 2 Assembly mountings
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Toothed belt drive
- 3 Valve control
- 4 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil radiator
- 3 Crankcase breather system
- 4 Oil filter/oil pressure switches
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump/thermostat assembly
- 3 Coolant pipes
- 4 Radiator/radiator fans
- 21 – Turbocharging/supercharging
- 1 Turbocharger
- 2 Supercharger air system:
- 24 – Mixture preparation - injection
- 1 Injection system
- 2 Injectors
- 3 Air filter
- 4 Intake manifold
- 5 Sensors
- 6 Engine control unit
- 7 High-pressure pump
- 8 Lambda probe
- 26 – Exhaust system
- 1 Exhaust pipes/silencers
- 2 Emission control
- 28 – Ignition system
- 1 Ignition system

1.4 l direct injection
- 00 – Technical data
- 1 Identification
- 2 Safety instructions
- 3 Repair instructions
- 10 – Removing and installing engine
- 1 Removing and positioning the engine
- 2 Assembly mountings
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Toothed belt drive
- 3 Valve control
- 4 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil radiator
- 3 Crankcase breather system
- 4 Oil filter/oil pressure switches
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump/thermostat assembly
- 3 Coolant pipes
- 4 Radiator/radiator fans
- 21 – Turbocharging/supercharging
- 1 Turbocharger
- 2 Supercharger air system:
- 24 – Mixture preparation - injection
- 1 Injection system
- 2 Injectors
- 3 Air filter
- 4 Intake manifold
- 5 Sensors
- 6 Engine control unit
- 7 High-pressure pump
- 8 Lambda probe
- 26 – Exhaust system
- 1 Exhaust pipes/silencers
- 2 Emission control
- 28 – Ignition system
- 1 Ignition system

1.5 l direct injection
- 00 – Technical data
- 1 Safety information
- 2 Identification
- 3 Repair notes
- 10 – Removing and installing engine
- 1 Removing and installing engine
- 2 Assembly mountings
- 3 Engine cover panel
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Toothed belt drive
- 3 Valve gear
- 4 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil cooler
- 3 Crankcase ventilation
- 4 Oil filter, oil pressure switch
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump, regulation of cooling system
- 3 Coolant pipes
- 4 Radiator, radiator fan
- 21 – Turbocharging/supercharging
- 1 Exhaust turbocharger
- 2 Charge air system
- 24 – Mixture preparation - injection
- 1 Injection system
- 2 Air filter
- 3 Intake manifold
- 4 Injectors
- 5 Sensors
- 6 High-pressure pump
- 7 Lambda probe
- 8 Engine/motor control unit
- 26 – Exhaust system
- 1 Exhaust pipes and silencers
- 2 Exhaust gas cleaning
- 28 – Ignition system
- 1 Ignition system

1.6 l and 2.0 l 4V, TDI
- 00 – Technical data
- 1 Safety instructions
- 2 Identification
- 3 Repair notes
- 10 – Removing and installing engine
- 1 Removing and installing the engine
- 2 Engine/gearbox mountings
- 3 Engine cover
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Toothed belt drive
- 3 Valve gear
- 4 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil radiator
- 3 Oil filter, oil pressure switch
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump/coolant thermostat
- 3 Coolant pipes
- 4 Radiator/radiator fans
- 21 – Turbocharging/supercharging
- 1 Exhaust turbocharger
- 2 Supercharger air system:
- 23 – Mixture preparation - injection
- 1 Injection system
- 2 Vacuum system
- 3 Injectors/high-pressure accumulator (rail)
- 4 Air cleaner
- 5 Suction pipe
- 6 Sensors
- 7 Engine control unit
- 8 High-pressure pump
- 9 Lambda sensor
- 26 – Exhaust system
- 1 Exhaust pipes/silencers
- 2 Emission control
- 3 Exhaust gas temperature control
- 4 Exhaust gas recirculation
- 28 – Glow plug system
- 1 Glow plug system

1.6 l MPI, 4 V, EA211
- 00 – Technical data
- 1 Identification
- 2 Safety instructions
- 3 Repair instructions
- 10 – Removing and installing engine
- 1 Removing and installing the engine
- 2 Assembly mountings
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Toothed belt drive
- 3 Valve gear
- 4 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil radiator
- 3 Crankcase breather system
- 4 Oil filter/oil pressure switches
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump/thermostat assembly
- 3 Coolant pipes
- 4 Radiator/radiator fans
- 24 – Mixture preparation - injection
- 1 Injection system
- 2 Injectors
- 3 Air cleaner
- 4 Suction hose
- 5 Sensors
- 6 Engine control unit
- 7 Lambda probe
- 26 – Exhaust system
- 1 Exhaust pipes/silencers
- 2 Emission control
- 28 – Ignition system
- 1 Ignition system

2.0 l with direct injection, 4 V,
- 00 – Technical data
- 1 Safety information
- 2 Identification
- 3 Repair notes
- 10 – Removing and installing engine
- 1 Removing and installing engine
- 2 Assembly mountings
- 3 Motor cover
- 13 – Crankshaft group
- 1 Cylinder block (pulley end)
- 2 Cylinder block, gearbox end
- 3 Crankshaft
- 4 Balancer shaft
- 5 Pistons and conrods
- 15 – Cylinder head, valve gear
- 1 Cylinder head
- 2 Timing chain cover
- 3 Chain drive
- 4 Valve gear
- 5 Inlet and exhaust valves
- 17 – Lubrication
- 1 Sump, oil pump
- 2 Engine oil cooler
- 3 Crankcase ventilation
- 4 Oil filter, oil pressure switch
- 19 – Cooling
- 1 Cooling system/coolant
- 2 Coolant pump/thermostat assembly
- 3 Coolant pipes
- 4 Radiator, radiator fan
- 21 – Turbocharging/supercharging
- 1 Exhaust turbocharger
- 2 Charge air system
- 24 – Mixture preparation - injection
- 1 Injection system
- 2 Injectors
- 3 Air filter
- 4 Intake manifold
- 5 Senders and sensors
- 6 Engine (motor) control unit
- 7 High-pressure pump
- 8 Lambda probe
- 26 – Exhaust system
- 1 Exhaust pipes, silencers
- 2 Exhaust gas cleaning
- 3 Exhaust gas temperature regulation
- 28 – Ignition system
- 1 Ignition system

5-speed manual gearbox 0AH
- 00 – Technical data
- 1 Identification
- 2 Safety instructions
- 3 Repair instructions
- 4 Technical data
- 5 Overview of the drive force
- 6 Electrical components
- 30 – Clutch
- 1 Clutch mechanism
- 2 Clutch
- 34 – Controls, housing
- 1 Selector mechanism
- 2 Gearbox: removing and installing
- 3 Assembly mountings
- 4 Transport of gearbox
- 5 Gearbox: disassembly and assembly
- 6 Gearbox housing, clutch housing
- 7 Installing to engine and gearbox support
- 8 Gear oil
- 35 – Gears, shafts
- 1 Input shaft
- 2 Secondary shaft
- 39 – Final drive - differential
- 1 Sealing rings
- 2 Differential:

7-speed dual clutch gearbox 0CW
- 00 – Technical data
- 1 Identification
- 2 Safety instructions
- 3 Repair notes
- 4 Technical data
- 5 Overview - power transmission
- 30 – Clutch
- 1 Clutch action
- 2 Coupling unit
- 34 – Controls, housing
- 1 Mechatronic unit
- 2 Gear selection mechanism
- 3 Gearbox : removing and fitting
- 4 Engine/gearbox mountings
- 5 Transporting gearbox
- 6 Dismantling and assembling gearbox
- 7 Gearbox housing, clutch housing
- 8 Installing to engine and gearbox support
- 9 Gearbox oil
- 35 – Gears, shafts
- 1 Drive shaft
- 2 Output shaft
- 3 Parking Lock
- 39 – Final drive - front differential
- 1 Oil seals

Body Repairs
- 00 – Technical data
- 1 Basic instructions
- 2 Security standards
- 3 Specific model data
- 4 Labels
- 5 Bodywork tolerances
- 6 Dimensions
- 7 Body elements made from ultra high strength steel
- 8 Laser welding, MIG welding and MIG brazing welding (CuSi3)
- 9 Adhesive
- 10 Products for corrosion protection and noise insulation
- 11 Reshaping work, access zones
- 12 Inspection areas of bodywork depending on the type of collision
- 13 Platform repairs
- 14 Check points for the platform
- 50 – Body - front
- 1 Breakdown of spare parts
- 2 Engine console - engine bracket: replacement, partial
- 3 Upper outer sill: replace, complete part
- 4 Upper outer sill: replace, part
- 5 Upper inner sill: replace
- 6 Front wheel housing: replace, complete part
- 7 Replace front wheel housing panel, partial
- 8 Longitudinal beam cover plate: replacement, complete part
- 9 Front longitudinal member: replacement, complete part
- 10 Front sill: replacement, partial
- 11 Front right sill: replace, part
- 12 Sill end: replace, complete part
- 13 Repair the thread for securing the subframe
- 51 – Body - centre
- 1 Breakdown of spare parts
- 2 Breakdown of spare parts (Panoramic roof)
- 3 Roof: replace, complete part
- 4 Panoramic roof: replace, complete part
- 5 Front roof crossbeam: replace, complete part
- 6 Replace front cross member, replace panoramic roof, full part
- 7 Central roof beam: replace, complete part
- 8 Rear roof crossbeam: replace, complete part
- 9 Roof member: replace
- 10 Hinge pillar: replace, complete part
- 11 Reinforcement of the hinge pillar: replace, complete part
- 12 Centre B-pillar: replace, complete part
- 13 Reinforcement centre B-pillar: replace, complete part
- 14 Lower outer sill: replace, complete part
- 15 Lower outer sill: replace, part
- 16 Lower inner sill: replace, complete part
- 17 Lower inner sill: replace, part
- 18 Replacing the longitudinal member external seat guide
- 19 Seat guide crossbeam: replace, complete part
- 20 Replace longitudinal member inner seat guide
- 53 – Body - rear
- 1 Breakdown of spare parts
- 2 End plate: replace, complete part
- 3 Reception plate: replace, complete part
- 4 Reception plate: replacement, partial
- 5 Replace extension rear side panel
- 6 Water drainage canal: replacement, partial
- 7 End crossbeam: replace, complete part
- 8 Replace extension side of luggage compartment floor
- 9 Luggage compartment floor: replace, complete part
- 10 Replace luggage compartment floor, full part (Version CNG)
- 11 Rear sill: replace, part
- 12 Replace rear longitudinal member extension
- 13 Replace rear sill end section
- 14 Replace rear side flank, full part
- 15 Replace rear inner side flank, full part
- 16 Replace rear inner side flank, partial
- 17 Rear outer wheel housing: replace, complete part

Electrical system
- 00 – Technical data
- 1 Safety instructions
- 2 Repair notes
- 3 Battery:
- 27 – Starter, current supply, CCS
- 1 Battery:
- 2 Alternator
- 3 Starter:
- 4 Start-Stop System
- 5 Adaptive cruise control
- 90 – Gauges, instruments
- 1 Instrument cluster
- 2 Horn
- 92 – Windscreen wash/wipe system
- 1 Windscreen wiper
- 2 Windscreen washer
- 3 Rear window wiper system
- 4 Rear window washer system
- 5 Headlamp washers
- 6 Washer fluid hoses
- 94 – Lights, bulbs, switches - exterior
- 1 Headlamps
- 2 Fog lights
- 3 Lights in exterior mirror
- 4 Tail lights
- 5 Additional brake lights
- 6 Number plate light
- 7 Switch module of the steering column
- 8 Parking aid
- 9 Entry and start authorisation
- 10 Automatic headlight range control
- 11 Towing bracket
- 12 Soundaktor
- 96 – Lights, bulbs, switches - interior
- 1 Lights
- 2 Controls
- 3 Anti-theft alarm system
- 4 Immobiliser
- 5 Lane change assist
- 6 Front camera for assist systems
- 7 Cigarette lighter, socket
- 97 – Wiring
- 1 Relay carrier, fuse holder, E-boxes
- 2 Control units
- 3 Connectors
- 4 Repairing aerial wires
- 5 Vehicle diagnostic, testing and information systems

Fuel supply system, petrol engines
- 00 – Technical data
- 1 Safety instructions
- 2 Identification
- 3 General notes
- 4 Repair notes
- 20 – Fuel supply system
- 1 Fuel tank
- 2 Fuel supply unit / fuel supply sender
- 3 Sensors
- 4 Quick-release couplings
- 5 Fuel filter
- 6 Activated charcoal filter system:
- 7 Accelerator control
- 8 Fuel pump

Heating and air conditioning
- 00 – Technical data
- 1 Identification
- 2 General notes
- 3 Safety instructions
- 4 Repair notes
- 5 Technical data
- 80 – Heating
- 1 Fitting location overview - heating
- 2 Heater unit
- 3 Servomotors
- 4 Air deflector
- 5 Control and display unit
- 6 Other control components
- 87 – Air conditioning system
- 1 Fitting location overview - air conditioning system
- 2 Refrigerant circuit
- 3 Air conditioning compressor
- 4 Servomotors
- 5 Front heater and air conditioning unit
- 6 Air deflector
- 7 Control and display unit
- 8 Other control components

Running gear, axles, steering
- 00 – Technical data
- 1 Safety instructions
- 2 Repair instructions
- 3 Appraisal of accident vehicles
- 4 Disposal
- 40 – Front suspension
- 1 Front axle
- 2 Sub-frame
- 3 Suspension strut, upper suspension link
- 4 Lower suspension link, swivel joint
- 5 Wheel bearing unit
- 6 Drive shaft
- 42 – Rear suspension
- 1 Rear axle
- 2 Axle beam
- 3 Sub-frame
- 4 Anti-roll bar
- 5 Suspension link, track rod
- 6 Suspension strut, shock absorber, spring
- 7 Wheel bearing, trailing arm
- 8 Drive shaft
- 43 – Self-levelling suspension
- 1 Electronic damping control
- 2 Vehicle level sender
- 44 – Wheels, tyres, vehicle geometry
- 1 Wheel rims and tyres
- 2 Tyre pressure monitoring system
- 3 Wheel alignment
- 4 Rough running due to wheels/tyres - causes and rectification
- 5 Adaptive cruise control
- 6 Front camera for driver assist systems
- 48 – Steering
- 1 Steering wheel
- 2 Steering column
- 3 Steering box
- 4 Sensors

ELECTRICAL WIRING SCHEMATICS

001 - Basic equipment, 2-door vehicle
- 1. Basic equipment, 2-door vehicle
- 2. Heated rear window relay, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder C
- 4. Relay for power sockets, Fuse holder C
- 5. Intermittent wiper switch, Cruise control system switch, Multifunction display call-up button, Cruise control system (CCS) SET button, Steering column electronics control unit
- 6. Turn signal switch, Horn plate, Steering column electronics control unit, Driver side airbag igniter
- 7. Ignition/starter switch, Steering column electronics control unit
- 8. Onboard supply control unit, Steering column electronics control unit
- 9. Onboard supply control unit, Front left headlight, Front left turn signal bulb, Left headlight dipped beam bulb, Left headlight main beam bulb, Left headlight range control motor
- 10. Bonnet contact switch, Onboard supply control unit, Left fog light bulb, Left cornering light bulb, Headlight washer system pump
- 11. Onboard supply control unit, Windscreen and rear window washer pump, Left washer jet heater element, Right washer jet heater element
- 12. Brake pedal position sender, Clutch position sender, Onboard supply control unit
- 13. Onboard supply control unit, Front right headlight, Front right turn signal bulb, Right headlight dipped beam bulb, Right headlight main beam bulb, Right headlight range control motor
- 14. Tank flap release, Front right brake pad wear sender, Treble horn, Bass horn, Onboard supply control unit, Right fog light bulb, Right cornering light bulb
- 15. Light switch, Onboard supply control unit
- 16. Onboard supply control unit, Front roof module
- 17. Hazard warning light switch, Glove compartment light switch, Onboard supply control unit, 12 V socket, Glove compartment light
- 18. Onboard supply control unit, Rear left turn signal bulb, Rear right turn signal bulb, Left brake and tail light bulb, Right brake and tail light bulb
- 19. Onboard supply control unit, Right tail light bulb, Left tail light bulb, Left reversing light bulb, Right reversing light bulb
- 20. Reversing light switch, Onboard supply control unit, Rear window wiper motor
- 21. Onboard supply control unit, High-level brake light bulb, Heated rear window
- 22. Brake fluid level warning contact, Onboard supply control unit
- 23. Coolant shortage indicator switch, Ambient temperature sensor, Windscreen washer fluid level sender, Onboard supply control unit
- 24. Driver door contact switch, Driver door control unit, Onboard supply control unit, Driver side turn signal repeater bulb
- 25. Front passenger door control unit, Onboard supply control unit, Data bus diagnostic interface, Front passenger side turn signal repeater bulb, Front passenger door lock unit
- 26. Control unit in dash panel insert, Data bus diagnostic interface, Dash panel insert, Diagnostic connection
- 27. Control unit in dash panel insert, Dash panel insert

002 - Basic equipment, 4-door vehicle
- 1. Basic equipment, 4-door vehicle
- 2. Heated rear window relay, Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder C
- 4. Relay for power sockets, Fuse holder A, Fuse holder C
- 5. Intermittent wiper switch, Cruise control system switch, Multifunction display call-up button, Cruise control system (CCS) SET button, Steering column electronics control unit
- 6. Turn signal switch, Horn plate, Steering column electronics control unit, Driver side airbag igniter
- 7. Ignition/starter switch, Steering column electronics control unit
- 8. Onboard supply control unit, Steering column electronics control unit
- 9. Onboard supply control unit, Front left headlight, Front left turn signal bulb, Left headlight dipped beam bulb, Left headlight main beam bulb, Left headlight range control motor
- 10. Bonnet contact switch, Onboard supply control unit, Left fog light bulb, Left cornering light bulb, Headlight washer system pump
- 11. Onboard supply control unit, Fuse holder B, Washer pump, Left washer jet heater element, Right washer jet heater element
- 12. Brake pedal position sender, Clutch position sender, Onboard supply control unit, Fuse holder B
- 13. Onboard supply control unit, Front right headlight, Front right turn signal bulb, Right headlight dipped beam bulb, Right headlight main beam bulb, Right headlight range control motor
- 14. Tank flap release, Front right brake pad wear sender, Treble horn, Bass horn, Onboard supply control unit, Right fog light bulb, Right cornering light bulb, Fuse holder B
- 15. Light switch, Onboard supply control unit
- 16. Onboard supply control unit, Front roof module
- 17. Hazard warning light switch, Glove compartment light switch, Onboard supply control unit, 12 V socket, Glove compartment light
- 18. Onboard supply control unit, Rear left turn signal bulb, Rear right turn signal bulb, Left brake and tail light bulb, Right brake and tail light bulb
- 19. Onboard supply control unit, Right tail light bulb, Left tail light bulb, Left reversing light bulb, Right reversing light bulb
- 20. Reversing light switch, Onboard supply control unit, Rear window wiper motor
- 21. Onboard supply control unit, High-level brake light bulb, Heated rear window
- 22. Brake fluid level warning contact, Onboard supply control unit
- 23. Coolant shortage indicator switch, Ambient temperature sensor, Windscreen washer fluid level sender, Onboard supply control unit
- 24. Driver door contact switch, Driver door control unit, Onboard supply control unit, Driver side turn signal repeater bulb
- 25. Front passenger door control unit, Onboard supply control unit, Data bus diagnostic interface, Front passenger side turn signal repeater bulb, Fuse holder B, Front passenger door lock unit
- 26. Control unit in dash panel insert, Data bus diagnostic interface, Dash panel insert, Diagnostic connection
- 27. Control unit in dash panel insert, Dash panel insert

003 - Basic equipment, ST
- 1. Basic equipment, ST
- 2. Heated rear window relay, Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder C
- 4. Relay for power sockets, Fuse holder C
- 5. Intermittent wiper switch, Cruise control system switch, Multifunction display call-up button, Cruise control system (CCS) SET button, Steering column electronics control unit
- 6. Turn signal switch, Horn plate, Steering column electronics control unit, Driver side airbag igniter
- 7. Ignition/starter switch, Steering column electronics control unit
- 8. Onboard supply control unit, Steering column electronics control unit
- 9. Onboard supply control unit, Front left headlight, Front left turn signal bulb, Left headlight dipped beam bulb, Left headlight main beam bulb, Left headlight range control motor
- 10. Bonnet contact switch, Onboard supply control unit, Left fog light bulb, Left cornering light bulb, Headlight washer system pump
- 11. Onboard supply control unit, Windscreen and rear window washer pump, Left washer jet heater element, Right washer jet heater element
- 12. Brake pedal position sender, Clutch position sender, Onboard supply control unit
- 13. Onboard supply control unit, Front right headlight, Front right turn signal bulb, Right headlight dipped beam bulb, Right headlight main beam bulb, Right headlight range control motor
- 14. Tank flap release, Front right brake pad wear sender, Treble horn, Bass horn, Onboard supply control unit, Right fog light bulb, Right cornering light bulb
- 15. Light switch, Onboard supply control unit
- 16. Onboard supply control unit, Front roof module
- 17. Onboard supply control unit, Rear left reading light, Rear right reading light, Rear interior light
- 18. Hazard warning light switch, Glove compartment light switch, Onboard supply control unit, 12 V socket, 12 V socket 2, Glove compartment light
- 19. Onboard supply control unit, Rear left turn signal bulb, Rear right turn signal bulb, Left brake and tail light bulb, Right brake and tail light bulb
- 20. Onboard supply control unit, Right tail light bulb, Left tail light bulb, Left reversing light bulb, Right reversing light bulb
- 21. Reversing light switch, Onboard supply control unit, Rear window wiper motor
- 22. Onboard supply control unit, High-level brake light bulb, Heated rear window
- 23. Brake fluid level warning contact, Onboard supply control unit
- 24. Coolant shortage indicator switch, Ambient temperature sensor, Windscreen washer fluid level sender, Onboard supply control unit
- 25. Driver door contact switch, Driver door control unit, Onboard supply control unit, Driver side turn signal repeater bulb
- 26. Front passenger door control unit, Onboard supply control unit, Data bus diagnostic interface, Front passenger side turn signal repeater bulb, Front passenger door lock unit
- 27. Control unit in dash panel insert, Data bus diagnostic interface, Dash panel insert, Diagnostic connection
- 28. Control unit in dash panel insert, Dash panel insert

004 - Convenience system, 2-door vehicle , (L0L)
- 1. Convenience system, 2-door vehicle , (L0L)
- 2. Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder B, Fuse holder C
- 4. Mirror adjustment changeover switch, Operating unit for window regulator in driver door, Driver door control unit
- 5. Driver side interior locking button for central locking system, Driver door control unit, Central locking SAFELOCK function warning lamp, Driver side window regulator motor
- 6. Driver door control unit, Driver side exterior mirror
- 7. Driver door control unit, Driver door lock unit
- 8. Front passenger door control unit, Passenger side exterior mirror
- 9. Front passenger door control unit, Front passenger door lock unit
- 10. Front passenger side window regulator button, Front passenger door control unit, Front passenger side window regulator motor
- 11. Driver vanity mirror contact switch, Front passenger vanity mirror contact switch, Onboard supply control unit, Left footwell light, Right footwell light, Front passenger side illuminated vanity mirror, Driver side illuminated vanity mirror
- 12. Onboard supply control unit, Front interior light, Front roof module, Rear interior light
- 13. Rear lid handle release button, Rear lid contact switch for anti-theft alarm, Onboard supply control unit, Rear lid lock unit, Rear lid central locking motor, Luggage compartment light
- 14. Onboard supply control unit, Light 1 for front left door background lighting, Light 1 for front right door background lighting, Light 2 for front left door background lighting, Light 2 for front right door background lighting
- 15. Button for deactivating interior monitoring and vehicle inclination sensor, Bonnet contact switch, Interior monitoring sensor, Vehicle inclination sender, Alarm horn, Onboard supply control unit
- 16. Interior mirror, Rain sensor, Onboard supply control unit
- 17. Data bus diagnostic interface, Dash panel insert

005 - Convenience system, 2-door vehicle , (L0R)
- 1. Convenience system, 2-door vehicle , (L0R)
- 2. Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder B, Fuse holder C
- 4. Mirror adjustment changeover switch, Operating unit for window regulator in driver door, Driver door control unit
- 5. Driver side interior locking button for central locking system, Driver door control unit, Driver side window regulator motor
- 6. Driver door control unit, Driver side exterior mirror
- 7. Driver door control unit, Driver door lock unit
- 8. Front passenger door control unit, Passenger side exterior mirror
- 9. Front passenger door control unit, Front passenger door lock unit
- 10. Front passenger side window regulator button, Front passenger door control unit, Central locking SAFELOCK function warning lamp, Front passenger side window regulator motor
- 11. Driver vanity mirror contact switch, Front passenger vanity mirror contact switch, Onboard supply control unit, Left footwell light, Right footwell light, Front passenger side illuminated vanity mirror, Driver side illuminated vanity mirror
- 12. Onboard supply control unit, Front interior light, Front roof module, Rear interior light
- 13. Rear lid handle release button, Rear lid contact switch for anti-theft alarm, Onboard supply control unit, Rear lid lock unit, Rear lid central locking motor, Luggage compartment light
- 14. Onboard supply control unit, Light 1 for front left door background lighting, Light 1 for front right door background lighting, Light 2 for front left door background lighting, Light 2 for front right door background lighting
- 15. Bonnet contact switch, Interior monitoring sensor, Vehicle inclination sender, Alarm horn, Onboard supply control unit
- 16. Interior mirror, Rain sensor, Onboard supply control unit
- 17. Data bus diagnostic interface, Dash panel insert

006 - Convenience system, 4-door vehicle , (L0L)
- 1. Convenience system, 4-door vehicle , (L0L)
- 2. Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder B, Fuse holder C
- 4. Operating unit for window regulator in driver door, Driver door control unit
- 5. Mirror adjustment changeover switch, Operating unit for window regulator in driver door, Driver door control unit
- 6. Driver side interior locking button for central locking system, Driver door control unit, Central locking SAFELOCK function warning lamp, Driver side window regulator motor
- 7. Driver door control unit, Driver side exterior mirror
- 8. Driver door control unit, Driver door lock unit
- 9. Front passenger door control unit, Passenger side exterior mirror
- 10. Front passenger door control unit, Front passenger door lock unit
- 11. Front passenger side window regulator button, Front passenger door control unit, Onboard supply control unit, Front passenger side window regulator motor
- 12. Onboard supply control unit, Front left footwell light, Front right footwell light, Storage compartment illumination bulb, Rear left footwell light, Rear right footwell light
- 13. Driver vanity mirror contact switch, Front passenger vanity mirror contact switch, Onboard supply control unit, Front interior light, Front roof module, Front passenger side illuminated vanity mirror, Driver side illuminated vanity mirror, Rear interior light
- 14. Rear lid handle release button, Rear lid contact switch for anti-theft alarm, Onboard supply control unit, Rear lid central locking motor, Luggage compartment light
- 15. Onboard supply control unit, Light 1 for front left door background lighting, Light 1 for front right door background lighting, Light 2 for front left door background lighting, Light 2 for front right door background lighting
- 16. Button for deactivating interior monitoring and vehicle inclination sensor, Bonnet contact switch, Interior monitoring sensor, Vehicle inclination sender, Alarm horn, Onboard supply control unit
- 17. Rear driver side window regulator button, Rear driver side central locking lock unit, Onboard supply control unit, Rear driver side window regulator motor
- 18. Rear passenger side window regulator button, Rear passenger side central locking lock unit, Onboard supply control unit, Rear passenger side window regulator motor
- 19. Interior mirror, Rain sensor, Onboard supply control unit
- 20. Control unit in dash panel insert, Data bus diagnostic interface, Dash panel insert

007 - Convenience system, 4-door vehicle , (L0R)
- 1. Convenience system, 4-door vehicle , (L0R)
- 2. Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder B, Fuse holder C
- 4. Operating unit for window regulator in driver door, Driver door control unit
- 5. Mirror adjustment changeover switch, Operating unit for window regulator in driver door, Driver door control unit
- 6. Driver side interior locking button for central locking system, Driver door control unit, Driver side window regulator motor
- 7. Driver door control unit, Driver side exterior mirror
- 8. Driver door control unit, Driver door lock unit
- 9. Front passenger door control unit, Passenger side exterior mirror
- 10. Front passenger door control unit, Front passenger door lock unit
- 11. Front passenger side window regulator button, Front passenger door control unit, Central locking SAFELOCK function warning lamp, Front passenger side window regulator motor
- 12. Driver vanity mirror contact switch, Onboard supply control unit, Left footwell light, Right footwell light, Driver side illuminated vanity mirror
- 13. Front passenger vanity mirror contact switch, Onboard supply control unit, Front interior light, Front roof module, Front passenger side illuminated vanity mirror, Rear interior light
- 14. Rear lid handle release button, Rear lid contact switch for anti-theft alarm, Onboard supply control unit, Rear lid lock unit, Rear lid central locking motor, Luggage compartment light
- 15. Onboard supply control unit, Light 1 for front left door background lighting, Light 1 for front right door background lighting, Light 2 for front left door background lighting, Light 2 for front right door background lighting
- 16. Bonnet contact switch, Interior monitoring sensor, Vehicle inclination sender, Alarm horn, Onboard supply control unit
- 17. Rear driver side window regulator button, Rear driver side central locking lock unit, Onboard supply control unit, Rear driver side window regulator motor
- 18. Rear passenger side window regulator button, Rear passenger side central locking lock unit, Onboard supply control unit, Rear passenger side window regulator motor
- 19. Interior mirror, Onboard supply control unit
- 20. Data bus diagnostic interface, Dash panel insert

008 - Convenience system, ST , (L0L)
- 1. Convenience system, ST , (L0L)
- 2. Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder B, Fuse holder C
- 4. Operating unit for window regulator in driver door, Driver door control unit
- 5. Mirror adjustment changeover switch, Operating unit for window regulator in driver door, Driver door control unit
- 6. Driver side interior locking button for central locking system, Driver door control unit, Central locking SAFELOCK function warning lamp, Driver side window regulator motor
- 7. Driver door control unit, Driver side exterior mirror
- 8. Driver door control unit, Driver door lock unit
- 9. Front passenger door control unit, Passenger side exterior mirror
- 10. Front passenger door control unit, Front passenger door lock unit
- 11. Front passenger side window regulator button, Front passenger door control unit, Front passenger side window regulator motor
- 12. Driver vanity mirror contact switch, Front passenger vanity mirror contact switch, Onboard supply control unit, Left footwell light, Right footwell light, Front passenger side illuminated vanity mirror, Driver side illuminated vanity mirror
- 13. Onboard supply control unit, Front interior light, Front roof module
- 14. Onboard supply control unit
- 15. Rear lid handle release button, Rear lid contact switch for anti-theft alarm, Onboard supply control unit, Rear lid central locking motor, Luggage compartment light
- 16. Onboard supply control unit, Light 1 for front left door background lighting, Light 1 for front right door background lighting, Light 2 for front left door background lighting, Light 2 for front right door background lighting
- 17. Button for deactivating interior monitoring and vehicle inclination sensor, Bonnet contact switch, Interior monitoring sensor, Vehicle inclination sender, Alarm horn, Onboard supply control unit
- 18. Rear driver side window regulator button, Rear driver side central locking lock unit, Onboard supply control unit, Rear driver side window regulator motor
- 19. Rear passenger side window regulator button, Rear passenger side central locking lock unit, Onboard supply control unit, Rear passenger side window regulator motor
- 20. Interior mirror, Rain sensor, Onboard supply control unit
- 21. Data bus diagnostic interface, Dash panel insert

009 - Convenience system, ST , (L0R)
- 1. Convenience system, ST , (L0R)
- 2. Fuse holder A, Fuse holder C
- 3. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder B, Fuse holder C
- 4. Operating unit for window regulator in driver door, Driver door control unit
- 5. Mirror adjustment changeover switch, Operating unit for window regulator in driver door, Driver door control unit
- 6. Driver side interior locking button for central locking system, Driver door control unit, Driver side window regulator motor
- 7. Driver door control unit, Driver side exterior mirror
- 8. Driver door control unit, Driver door lock unit
- 9. Front passenger door control unit, Passenger side exterior mirror
- 10. Front passenger door control unit, Front passenger door lock unit
- 11. Front passenger side window regulator button, Front passenger door control unit, Central locking SAFELOCK function warning lamp, Front passenger side window regulator motor
- 12. Driver vanity mirror contact switch, Front passenger vanity mirror contact switch, Onboard supply control unit, Left footwell light, Right footwell light, Front passenger side illuminated vanity mirror, Driver side illuminated vanity mirror
- 13. Onboard supply control unit, Front interior light, Front roof module
- 14. Onboard supply control unit
- 15. Rear lid handle release button, Rear lid contact switch for anti-theft alarm, Onboard supply control unit, Rear lid lock unit, Rear lid central locking motor, Luggage compartment light
- 16. Onboard supply control unit, Light 1 for front left door background lighting, Light 1 for front right door background lighting, Light 2 for front left door background lighting, Light 2 for front right door background lighting
- 17. Bonnet contact switch, Interior monitoring sensor, Vehicle inclination sender, Alarm horn, Onboard supply control unit
- 18. Rear driver side window regulator button, Rear driver side central locking lock unit, Onboard supply control unit, Rear driver side window regulator motor
- 19. Rear passenger side window regulator button, Rear passenger side central locking lock unit, Onboard supply control unit, Rear passenger side window regulator motor
- 20. Interior mirror, Rain sensor, Onboard supply control unit
- 21. Data bus diagnostic interface, Dash panel insert

010 - Airbag systems , (L0L)
- 1. Airbag systems , (L0L)
- 2. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder C
- 3. Key operated switch to deactivate front passenger side airbag, Airbag control unit, Front passenger side airbag deactivated warning lamp
- 4. Driver side belt switch, Front passenger side belt switch, Rear belt switch, driver side, Rear belt switch, passenger side, Airbag control unit
- 5. Side airbag crash sensor on driver side, Rear side airbag crash sensor on driver side, Airbag control unit, Side airbag igniter on driver side
- 6. Side airbag crash sensor on front passenger side, Rear side airbag crash sensor on passenger side, Airbag control unit, Side airbag igniter on front passenger side
- 7. Airbag control unit, Rear side airbag igniter on driver side, Rear side airbag igniter on passenger side, Driver side curtain airbag igniter, Front passenger side curtain airbag igniter
- 8. Crash sensor for front airbag, Airbag control unit, Driver seat belt tensioner igniter 1, Front passenger seat belt tensioner igniter 1, Driver side knee airbag igniter
- 9. Airbag control unit, Steering column electronics control unit, Driver side airbag igniter, Front passenger side airbag igniter 1
- 10. Buzzer and gong, Control unit in dash panel insert, Data bus diagnostic interface, Dash panel insert, Seat belt warning system warning lamp, Airbag warning lamp

011 - Airbag systems , (L0R)
- 1. Airbag systems , (L0R)
- 2. Terminal 15 voltage supply relay, Fuse holder A, Fuse holder C
- 3. Key operated switch to deactivate front passenger side airbag, Airbag control unit, Front passenger side airbag deactivated warning lamp
- 4. Driver side belt switch, Front passenger side belt switch, Rear belt switch, driver side, Rear belt switch, passenger side, Airbag control unit
- 5. Side airbag crash sensor on driver side, Rear side airbag crash sensor on driver side, Airbag control unit, Side airbag igniter on driver side
- 6. Side airbag crash sensor on front passenger side, Rear side airbag crash sensor on passenger side, Airbag control unit, Side airbag igniter on front passenger side
- 7. Airbag control unit, Rear side airbag igniter on driver side, Rear side airbag igniter on passenger side, Driver side curtain airbag igniter, Front passenger side curtain airbag igniter
- 8. Crash sensor for front airbag, Airbag control unit, Driver seat belt tensioner igniter 1, Front passenger seat belt tensioner igniter 1, Driver side knee airbag igniter
- 9. Airbag control unit, Steering column electronics control unit, Driver side airbag igniter, Front passenger side airbag igniter 1
- 10. Buzzer and gong, Control unit in dash panel insert, Data bus diagnostic interface, Dash panel insert, Seat belt warning system warning lamp, Airbag warning lamp

012 - Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0L),(8T0),(8T2),(8T5),(UH0)
- 1. Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0L),(8T0),(8T2),(8T5),(UH0)
- 2. Terminal 15 voltage supply relay, Onboard supply control unit, Fuse holder A, Fuse holder B, Fuse holder C
- 3. ABS control unit
- 4. Tyre Pressure Monitoring System button, Button for TCS and electronic stabilisation program, ABS control unit
- 5. Front right speed sensor, Front left speed sensor, Brake servo pressure sensor, Sensor unit for electronic stabilisation program, ABS control unit
- 6. Rear right speed sensor, Rear left speed sensor, ABS control unit, ABS hydraulic pump
- 7. Parking brake pressure switch, ABS control unit, Data bus diagnostic interface, Dash panel insert

013 - Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0R),(8T0),(8T2),(8T5),(UH0)
- 1. Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0R),(8T0),(8T2),(8T5),(UH0)
- 2. Terminal 15 voltage supply relay, Onboard supply control unit, Fuse holder A, Fuse holder B, Fuse holder C
- 3. ABS control unit
- 4. Tyre Pressure Monitoring System button, Button for TCS and electronic stabilisation program, ABS control unit
- 5. Front right speed sensor, Front left speed sensor, Brake servo pressure sensor, Sensor unit for electronic stabilisation program, ABS control unit
- 6. Rear right speed sensor, Rear left speed sensor, ABS control unit, ABS hydraulic pump
- 7. Parking brake pressure switch, ABS control unit, Data bus diagnostic interface, Dash panel insert

014 - Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0L),(8T3),(UH0)
- 1. Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0L),(8T3),(UH0)
- 2. Terminal 15 voltage supply relay, Onboard supply control unit, Fuse holder A, Fuse holder B, Fuse holder C
- 3. ABS control unit
- 4. Button for TCS and electronic stabilisation program, ABS control unit
- 5. Front right speed sensor, Front left speed sensor, Brake servo pressure sensor, Sensor unit for electronic stabilisation program, ABS control unit
- 6. Rear right speed sensor, Rear left speed sensor, ABS control unit, ABS hydraulic pump
- 7. Parking brake pressure switch, ABS control unit, Data bus diagnostic interface, Dash panel insert

015 - Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0R),(8T3),(UH0)
- 1. Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (L0R),(8T3),(UH0)
- 2. Terminal 15 voltage supply relay, Onboard supply control unit, Fuse holder A, Fuse holder B, Fuse holder C
- 3. ABS control unit
- 4. Button for TCS and electronic stabilisation program, ABS control unit
- 5. Front right speed sensor, Front left speed sensor, Brake servo pressure sensor, Sensor unit for electronic stabilisation program, ABS control unit
- 6. Rear right speed sensor, Rear left speed sensor, ABS control unit, ABS hydraulic pump
- 7. Parking brake pressure switch, ABS control unit, Data bus diagnostic interface, Dash panel insert

016 - Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (8T3),(L0L),(UH2)
- 1. Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (8T3),(L0L),(UH2)
- 2. Terminal 15 voltage supply relay, Onboard supply control unit, Fuse holder A, Fuse holder B, Fuse holder C
- 3. ABS control unit
- 4. Button for TCS and electronic stabilisation program, Clutch position sender, ABS control unit
- 5. Front right speed sensor, Front left speed sensor, Brake servo pressure sensor, Sensor unit for electronic stabilisation program, ABS control unit
- 6. Rear right speed sensor, Rear left speed sensor, ABS control unit, ABS hydraulic pump, Left parking brake motor, Right parking brake motor
- 7. ABS control unit, Data bus diagnostic interface, Dash panel insert

017 - Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (8T3),(L0R),(UH2)
- 1. Anti-lock brake system (ABS) with electronic stabilisation program (ESP) , (8T3),(L0R),(UH2)
- 2. Terminal 15 voltage supply relay, Onboard supply control unit, Fuse holder A, Fuse holder B, Fuse holder C
- 3. ABS control unit
- 4. Button for TCS and electronic stabilisation program, Clutch position sender, ABS control unit
- 5. Front right speed sensor, Front left speed sensor, Brake servo pressure sensor, Sensor unit for electronic stabilisation program, ABS control unit
- 6. Rear right speed sensor, Rear left speed sensor, ABS control unit, ABS hydraulic pump, Left parking brake motor, Right parking brake motor
- 7. ABS control unit, Data bus diagnostic interface, Dash panel insert

018 - Front and rear parking aid (PDC) , (K8C),(K8G)
- 1. Front and rear parking aid (PDC) , (K8C),(K8G)

And more...

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Seat Leon (2013-2020) - Workshop Manual / Repair Manual - Wiring Schematics

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inicio - index

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coche - car

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moto

4x4

quad - buggy

camión - truck

e-mail

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