2010-2015 Audi A1 and Audi S1 Fuse Box Diagram
Overview of fuses
Overview also valid for 5-door models!
- Fuse holder D -SD-
- Fuse holder A -SA-
- Fuse holder C -SC-
- Relay/fuse holder F -SF-
- Fuse holder B -SB-, Fuse holder H -SH-
- Fuse holder B -SB-
Passenger Compartment Fuse Box No.1 (SC)
For models with right-hand drive
For models with left-hand drive
| No. | A | Description |
|---|---|---|
| Black | ||
| 1 | 30 | Digital sound package control unit
Voltage stabiliser Radio |
| 2 | 40 | Heater control unit
X-contact relief relay Fresh air blower control unit Fresh air blower |
| 3 | 20 | Cigarette lighter
12 V socket |
| 4 | 15 | Trailer detector control unit |
| 5 | 5 | Data bus diagnostic interface |
| 6 | 30 | Front passenger door control unit
Rear right door control unit |
| 7 | 30 | Driver door control unit
Rear left door control unit |
| 8 | 30 | Heated rear window relay
Heated rear window |
| 9 | 25 | ABS control unit |
| 10 | 20 | Onboard supply control unit |
| 11 | 15 | High tone horn
Low tone horn Horn relay |
| 12 | 30 | Onboard supply control unit |
| Brown | ||
| 1 | 5 | Alarm horn
Anti-theft alarm sensor |
| 2 | 5 | 1.4 TFSI (140 hp), 1.6 TDI:
Terminal 30 voltage supply relay (TDI) Motronic current supply relay (TFSI) Engine control unit |
| 7.5 | 1.2 TFSI, 1.4 TFSI (122 hp, 185 hp), 2.0 TFSI, 2.0 TDI:
Terminal 30 voltage supply relay (TDI) Motronic current supply relay (TFSI) Engine control unit |
|
| 3 | 5 | Onboard supply control unit |
| 4 | 5 | ABS control unit
Voltage stabiliser 2 |
| 15 | 2.0 TFSI (January 2014→):
ABS control unit Voltage stabiliser 2 All-wheel drive control unit |
|
| 5 | - | Vacant |
| 6 | 5 | Light/rain sensor
Aerial amplifier for mobile telephone Telephone bracket Front roof module |
| 7 | 15 | TFSI: Fuel pump control unit |
| 20 | TDI: Fuel pump relay | |
| 8 | 10 | TFSI (→October 2014): Auxiliary coolant pump relay |
| 9 | 5 | Steering column electronics control unit |
| 10 | 5 | Light switch |
| 11 | 10 | Climatronic control unit
Air conditioning system control unit Front passenger door control unit (→April 2012) Rear right door control unit (→April 2012) 16-pin connector, diagnosis connection |
| 12 | 10 | →April 2012:
Driver door control unit Rear left door control unit |
| 13 | 10 | Onboard supply control unit |
| 14 | 20 | Models without trailer socket only:
Relay for power sockets |
| 15 | 30 | Onboard supply control unit |
| 16 | 20 | →October 2014:
Wiper motor switch-over relay |
| 20 | 1.8 TFSI (November 2014→) & 2.0 TFSI (January 2014→):
Engine component current supply relay Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition coil 3 with output stage Ignition coil 4 with output stage |
|
| Red | ||
| 1 | 5 | 1.6 TDI, 2.0 TDI:
Automatic glow period control unit |
| 20 | 1.4 TFSI (122 hp, 130 hp, 185 hp):
Vacuum pump for brakes |
|
| 2 | 10 | →October 2011:
Brake light switch Brake pedal switch Auxiliary coolant pump relay Lambda probe heater - Lambda probe 1 heater after catalytic converter |
| 5 | November 2011→:
Supply Fuse 9 on fuse holder (→October 2014) Supply Fuse 10 on fuse holder (→October 2014) ABS control unit Auxiliary coolant pump relay |
|
| 3 | 5 | 1.6 TDI, 2.0 TDI, 2.0 TFSI (→October 2014):
Air mass meter Fuel pump relay Low heat output relay High heat output relay Engine component current supply relay Fuel pressure regulating valve Coolant circulation pump |
| 7.5 | 1.4 TFSI (140 hp (→October 2014)):
Air mass meter Fuel pump relay Low heat output relay High heat output relay Engine component current supply relay Fuel pressure regulating valve Coolant circulation pump |
|
| 15 | 1.2 TFSI, 1.4 TFSI (122 hp, 185 hp) (→October 2014):
Air mass meter Fuel pump relay Low heat output relay High heat output relay Engine component current supply relay Fuel pressure regulating valve Coolant circulation pump |
|
| 4 | 15 | 1.2 TFSI, 1.4 TFSI:
Engine control unit Clutch position sender (→October 2011) Brake light switch (→October 2011) |
| 25 | 2.0 TFSI:
Engine control unit |
|
| 30 | 1.6 TDI, 2.0 TDI:
Engine control unit Clutch position sender (→October 2011) Brake light switch (→October 2011) |
|
| 5 | 20 | 2.0 TFSI (→October 2014):
Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition transformer Fuel pressure regulating valve Fuel metering valve Ignition coil 3 with output stage Ignition coil 4 with output stage |
| 15 | 1.6 TDI, 2.0 TDI (→October 2014):
Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition transformer Fuel pressure regulating valve Fuel metering valve Ignition coil 3 with output stage Ignition coil 4 with output stage |
|
| 20 | 1.2 TFSI, 1.4 TFSI (122 hp, 185 hp):
Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition transformer Fuel pressure regulating valve Fuel metering valve Ignition coil 3 with output stage Ignition coil 4 with output stage |
|
| 30 | 1.4 TFSI (140 hp) (→October 2014):
Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition transformer Fuel pressure regulating valve Fuel metering valve Ignition coil 3 with output stage Ignition coil 4 with output stage |
|
| 6 | 10 | except 1.4 TFSI 140 hp (→October 2014):
Radiator fan control unit Heater element relay - Charge pressure control solenoid valve Activated charcoal filter solenoid valve 1 Exhaust camshaft control valve 1 Recirculation valve for turbocharger Intake manifold flap valve Exhaust camshaft control valve 1 Switchover valve for exhaust recirculation cooler Oil pressure regulation valve Intake cam adjuster for cylinder 2 Exhaust cam adjuster for cylinder 2 Intake cam adjuster for cylinder 3 Exhaust cam adjuster for cylinder 3 Pump for exhaust recirculation cooler |
| 20 | 1.4 TFSI (140 hp (→October 2014)):
Radiator fan control unit Heater element relay - Charge pressure control solenoid valve Activated charcoal filter solenoid valve 1 Exhaust camshaft control valve 1 Recirculation valve for turbocharger Intake manifold flap valve Exhaust camshaft control valve 1 Switchover valve for exhaust recirculation cooler Oil pressure regulation valve Intake cam adjuster for cylinder 2 Exhaust cam adjuster for cylinder 2 Intake cam adjuster for cylinder 3 Exhaust cam adjuster for cylinder 3 Pump for exhaust recirculation cooler |
|
| 7 | 5 | CD changer |
| 8 | 5 | Internet access control unit
Chip card reader control unit Radio TV tuner |
| 9 | 5 | Control unit in dash panel insert |
| 10 | 5 | Relay for automatic anti-dazzle interior mirror
Automatic anti-dazzle interior mirror |
| 11 | 7.5 | with MMI (Multi Media Interface):
Radio |
| 15 | without MMI (Multi Media Interface):
Control unit for information electronics 1 |
|
| 12 | 5 | Display unit for front information display and operating unit control unit |
Passenger Compartment Fuse Box No.2 (SD)
For models with right-hand drive
For models with left-hand drive
| No. | A | Description |
|---|---|---|
| Black | ||
| 1 | 7.5 | ESL control unit |
| 2 | 20 | Trailer detector control unit |
| 3 | 20 | Trailer detector control unit |
| 4 | 30 | →October 2014: Mechatronic unit for dual clutch gearbox |
| 7.5 | January 2014→: Electronically controlled damping control unit | |
| 5 | 30 | Headlight washer system relay
Headlight washer system pump |
| 6 | 5 | Interface control unit for vehicle location system |
| 7 | 7.5 | Entry and start authorisation control unit |
| 8 | 15 | →October 2014: Mechatronic unit for dual clutch gearbox |
| 9 | 20 | Sliding sunroof motor |
| 10 | 7.5 | Selector lever sensors control unit |
| 11 | 15 | 2.0 TFSI (→October 2014):
Engine component current supply relay Fuel pressure regulating valve |
| 12 | - | - |
| Brown | ||
| 1 | 5 | Reversing light switch
Selector lever sensors control unit Mechatronic unit for dual clutch gearbox |
| 2 | 10 | High-pressure sender
Oil level and oil temperature sender Air conditioning system control unit Relay for power sockets Automatic anti-dazzle interior mirror 16-pin connector, diagnosis connection |
| 3 | 5 | Data bus diagnostic interface |
| 4 | 5 | Heater control unit
Control unit for structure-borne sound |
| 5 | 7.5 | Light switch
Starter relay 1 Voltage stabiliser Starter relay 2 Relay for automatic anti-dazzle interior mirror Front left headlight Front right headlight |
| 6 | 5 | Light switch |
| 7 | 5 | →October 2014:
ABS control unit Voltage stabiliser 2 |
| 5 | January 2014→: Electronically controlled damping control unit | |
| 8 | 5 | Heated driver seat regulator
Heated front passenger seat regulator Hazard warning lights button Heated rear window button TCS and ESP button Parking aid button Tyre pressure monitor display button Start/Stop operation button Trailer detector control unit Left washer jet heater element Right washer jet heater element |
| 9 | 5 | Power steering control unit |
| 10 | 5 | TFSI:
Air mass meter Fuel pump control unit Crankcase breather heater element |
| 7.5 | TDI:
Air mass meter Fuel pump control unit Crankcase breather heater element |
|
| 11 | 5 | Airbag control unit
Front passenger airbag deactivated warning lamp |
| 12 | 5 | Parking aid control unit |
| 13 | 5 | Control unit for headlight range control |
| 14 | 30 | Seat heating control unit |
| 15 | 15 | Rear window wiper motor |
| 16 | 5 | Engine control unit
Air mass meter |
| Red | ||
| 1 | - | - |
| 2 | - | - |
| 3 | 10 | All-wheel drive control unit, gradual phase-out |
| 4 | - | - |
| 5 | - | - |
| 6 | - | - |
| 7 | - | - |
| 8 | - | - |
| 9 | - | - |
| 10 | 5 | Special vehicle control unit |
| 10 | Special vehicle control unit | |
| 11 | - | - |
| 12 | - | - |
Passenger Compartment Relay Box No.3 (SF)
For models with right-hand drive
For models with left-hand drive
| No. | A | Description |
|---|---|---|
| 1 | 40 | Voltage stabiliser |
| 2 | 50 | Supply fuse carrier 1 -ST1- in fuse holder D -SD- |
| 3 | 40 | Terminal 15 voltage supply relay |
| 4 | 40 | ABS control unit |
| 5 | 5 | Voltage stabiliser 2, gradual phase-out |
| 6 | 5 | Onboard supply control unit
Voltage stabiliser Voltage stabiliser 2, gradual phase-out Engine control unit |
| 16 | 10 | November 2011 → October 2014:
Brake light switch Clutch position sender |
| 17 | 5 | November 2011 → October 2014:
Lambda probe heater Lambda probe 1 heater after catalytic converter |
High Fuse Block No.1 (SB)
For models with battery in engine compartment
For models with battery in luggage compartment
| No. | A | Description |
|---|---|---|
| 1 | 175 | Alternator |
| 2 | 40 | Low heat output relay
Heater element for auxiliary air heater |
| 3 | 110 | for models with battery in engine compartment only:
Onboard supply Engine component supply |
| 4 | 80 | Power steering control unit |
| 5 | 50 | →2011:
Radiator fan thermal switch Radiator fan control unit |
| 40 | 2011→:
Radiator fan thermal switch Radiator fan control unit |
|
| 6 | 50 | Automatic glow period control unit |
| 7 | 60 | High heat output relay
Battery monitor control unit (for models with battery in engine compartment only) Auxiliary heater element |
High Fuse Block No.2 (for models with battery in luggage compartment only)
| No. | A | Description |
|---|---|---|
| 1 | - | - |
| 2 | 110 | Onboard supply
Engine component supply |
| 3 | - | - |
Engine Compartment Fuse Box (SB / SH)
For S1 version models only, from January 2014
For models from November 2014 only.
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| No. | A | Description |
|---|---|---|
| Fusible Link | ||
| 1 | 110 | →October 2014 (for models with battery in engine compartment only):
Onboard supply Engine component supply |
| 5 | November 2014→:
Radiator fan control unit Radiator fan |
|
| 2 | 250 | Alternator
Voltage regulator |
| 3 | - | Battery + |
| 4 | 80 | Power steering control unit |
| 5 | 50 | TDI (November 2014→):
Automatic glow period control unit Glow plug 1 Glow plug 2 Glow plug 3 Glow plug 4 |
| 6 | 50 | →October 2014:
Radiator fan control unit Radiator fan - |
| 125 | for models with battery in engine compartment only (November 2014→)
Onboard supply Engine component supply |
|
| Fuses | ||
| No. | A | Description |
| 1 | 40 | Heater element for auxiliary air heater, stage 1 |
| 2 | 30 | Radiator fan control unit
Radiator fan |
| 3 | - | - |
| 4 | 40 | Heater element for auxiliary air heater, stage 2 |
| 5 | 40 | Heater element for auxiliary air heater, stage 3 |
| 6 | 30 | Mechatronic unit for dual clutch gearbox |
| 7 | 7.5 | Engine control unit |
| 8 | 20 | Wiper motor switch-over relay 1
Wiper motor switch-over relay 2 |
| 9 | 5 | Battery monitor control unit |
| 10 | 10 | Suppression filter |
| 11 | - | - |
| 12 | 10 | 1.0 TFSI, 1.4 TFSI:
Lambda probe heater Lambda probe 1 heater after catalytic converter |
| 15 | 1.4 TDI, 1.6 TDI, 1.8 TFSI, 2.0 TFSI::
Lambda probe heater Lambda probe 1 heater after catalytic converter |
|
| 13 | 5 | Brake light switch
Clutch position sender- |
| 14 | 5 | 1.8 TFSI, 2.0 TFSI:
Thermal switch for air conditioning system shut-off Fuel metering valve Oil pressure regulation valve Cylinder head coolant valve Coolant circulation pump Circulation pump Charge air cooling pump Auxiliary heating pump |
| 10 | 1.0 TFSI, 1.4 TFSI, 1.4 TDI, 1.6 TDI:
Thermal switch for air conditioning system shut-off Fuel metering valve Oil pressure regulation valve Cylinder head coolant valve Coolant circulation pump Circulation pump Charge air cooling pump Auxiliary heating pump |
|
| 15 | 5 | Onboard supply control unit, T52c/34
Engine control unit, T91/67;T94/... Voltage stabiliser, T12aa/4 |
| 16 | 30 | Starter motor |
| 17 | 15 | 1.0 TFSI, 1.4 TFSI, 1.8 TFSI, 2.0 TFSI: Engine control unit |
| 30 | 1.4 TDI, 1.6 TDI: Engine control unit | |
| 18 | 5 | 1.4 TDI, 1.6 TDI:
Oil level and oil temperature sender Fuel pump relay Radiator fan control unit Low heat output relay High heat output relay Charge pressure control solenoid valve Recirculation valve for turbocharger Intake manifold flap valve Oil pressure regulation valve Cooling oil valve |
| 10 | 1.0 TFSI, 1.4 TFSI, 1.8 TFSI, 2.0 TFSI:
Oil level and oil temperature sender Fuel pump relay Radiator fan control unit Low heat output relay High heat output relay Charge pressure control solenoid valve Recirculation valve for turbocharger Intake manifold flap valve Oil pressure regulation valve Cooling oil valve |
|
| 19 | 7.5 | 1.4 TDI:
Engine component current supply relay Fuel pressure regulating valve Fuel metering valve Injector 2 for cylinder 1 Injector 2 for cylinder 2 Injector 2 for cylinder 3 Injector 2 for cylinder 4 Actuator 1 for camshaft adjustment Actuator 2 for camshaft adjustment Actuator 3 for camshaft adjustment Actuator 4 for camshaft adjustment Actuator 5 for camshaft adjustment Actuator 6 for camshaft adjustment Actuator 7 for camshaft adjustment Actuator 8 for camshaft adjustment Vacuum pump for brakes |
| 10 | 1.6 TDI, 1.8 TFSI, 2.0 TFSI:
Engine component current supply relay Fuel pressure regulating valve Fuel metering valve Injector 2 for cylinder 1 Injector 2 for cylinder 2 Injector 2 for cylinder 3 Injector 2 for cylinder 4 Actuator 1 for camshaft adjustment Actuator 2 for camshaft adjustment Actuator 3 for camshaft adjustment Actuator 4 for camshaft adjustment Actuator 5 for camshaft adjustment Actuator 6 for camshaft adjustment Actuator 7 for camshaft adjustment Actuator 8 for camshaft adjustment Vacuum pump for brakes |
|
| 20 | 1.0 TFSI, 1.4 TFSI:
Engine component current supply relay Fuel pressure regulating valve Fuel metering valve Injector 2 for cylinder 1 Injector 2 for cylinder 2 Injector 2 for cylinder 3 Injector 2 for cylinder 4 Actuator 1 for camshaft adjustment Actuator 2 for camshaft adjustment Actuator 3 for camshaft adjustment Actuator 4 for camshaft adjustment Actuator 5 for camshaft adjustment Actuator 6 for camshaft adjustment Actuator 7 for camshaft adjustment Actuator 8 for camshaft adjustment Vacuum pump for brakes |
|
| 20 | 5 | 1.4 TDI, 1.6 TDI:
Automatic glow period control unit Exhaust flap control unit Crankcase breather heater element Activated charcoal filter solenoid valve 1- Camshaft control valve 1 Exhaust camshaft control valve 1 Continued coolant circulation pump Sender 1 for secondary air pressure Sender 2 for secondary air pressure |
| 10 | 1.8 TFSI, 2.0 TFSI:
Automatic glow period control unit Exhaust flap control unit Crankcase breather heater element Activated charcoal filter solenoid valve 1- Camshaft control valve 1 Exhaust camshaft control valve 1 Continued coolant circulation pump Sender 1 for secondary air pressure Sender 2 for secondary air pressure |
|
| 20 | 1.0 TFSI, 1.4 TFSI:
Automatic glow period control unit Exhaust flap control unit Crankcase breather heater element Activated charcoal filter solenoid valve 1- Camshaft control valve 1 Exhaust camshaft control valve 1 Continued coolant circulation pump Sender 1 for secondary air pressure Sender 2 for secondary air pressure |
|