2008-2012 Audi A3 / S3 (8P) fuse box diagram

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The second-generation Audi A3 and S3 (8P), produced from 2008 to 2012, underwent a facelift during this period. This guide provides fuse box diagrams for the 2008, 2009, 2010, 2011, and 2012 models of the Audi A3 and S3. Here, you can find details on the location of the fuse panels inside the car and understand the specific function of each fuse.

Cigar lighter / power outlet fuses in the Audi A3 / S3 are the fuse No.24 (Cigarette lighter) and fuse No.26 (Power outlet in luggage compartment) in the Instrument panel.

[2008]

Engine compartment

Variant with 30 Plug-in Fuses

2008-audi-a3-s3-8P-engine-compartment-version-with-30-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1——
F2Steeling wheel electronics5
F3Battery voltage5
F4Anti -lock brake system (ABS) valves30
F5Transmission control module15
F6Instrument cluster module5
F7Transmission control module30
F8Navigation system, radio system15 / 25
F9Navigation system, digital radio, cell phone, TV equipment5
F10Engine control module, main relay5 / 10
F11——
F12Control module for CAN data transfer (gateway)5
F13Engine control module15 / 25
F14Ignition coils20
F15Tank diagnosis, oxygen sensor10 / 15
F16Anti lock brake system (ABS) pump30
F17Horn15
F18Audio amplifier30
F19Front windshield wiper system30
F20Volume regulator valve20
F21Oxygen sensor10
F22Clutch pedal switch, brake light switch5
F23Engine relays, engine components5 / 10 / 15
F24Engine components10
F25Right-side lighting (electrical system control unit)30
F26Left-side light ing (electric system control unit)30
F27Secondary air pump40
F28Power supply relay term inal 1540
F29Fuse assignment in the left-side instrument panel (special equipment)50
F30Power supply relay terminal 7550

Variant with 54 Plug-in Fuses

2008-audi-a3-s3-8P-engine-compartment-version-with-54-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1Anti-lock brake system (ABS) pump30
F2Anti-lock brake system (ABS) pump30
F3——
F4Battery voltage5
F5Horn15
F6Volume control valve/fuel pump15
F7——
F8——
F9Engine components10
F10Fuel tank control, mass air flow sensor10
F11Oxygen sensors, in front of catalytic converter10
F12Oxygen sensors, behind catalytic converter10
F13Automatic transmission15
F14——
F15Water return-flow pump10
F16Steer ing wheel electronics5
F17Instrument cluster module5
F18Audio amplifier30
F19Navigation system, radio system15 / 25
F20Navigation system, digital radio, cell phone, TV equipment5
F21——
F22——
F23Engine control modu le, main relay10
F24Control module for CAN data transfer (gateway)5
F25——
F26——
F27——
F28Engine control module15
F29Engine relays, eng ine components5
F30——
F31Front windshield wiper system30
F32——
F33——
F34——
F35——
F36——
F37——
F38Engine components10
F39Clutch pedal switch, brake light switch5
F40Ignition coils
F41——
F42Power supply engine relay5
F43Ignition coils30
F44——
F45——
F46——
F47Left-side lighting (electric system control unit)30
F48Right-side light ing (electrical system control unit30
F49Power supply relay termina 11540
F50——
F51Secondary air pump40
F52Power supply relay terminal 7550
F53Fuse assignment in the left-side instrument panel (special equipment)50
F54——

Instrument panel

2008-audi-a3-s3-8P-instrument-panel-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
1Engine components (I), manual headlight beam adjustment, automatic headlight beam adjustment AFS control module, engine components (II), light switch (switch lighting/illumination), diagnosis socket10
2All Wheel Drive, automatic transmission, control module for CAN data transfer (gateway), electromechanical steering, shift gate automatic transmission, engine relay, fuel tank control unit, engine control unit, brakes control (ABS), Electronic Stabilization Program (ESP), Anti-Slip Regulation (ASRI, brake light switch10
3Airbag5
4Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), Anti-Slip Regulation (ASRI, oil level sensor (WIVI, back-up light switch, front seat heating, Seat-occupancy recognition (on USA vehicles), navigation, garage door opener, automatic mirror dimming, Heated windshield washer nozzles,air conditioning (control module5
5AFS headlights (left side)5
6AFS headlights (right side)5
7——
8——
9——
10——
11——
12Central locking (front doors)10
13Central locking (rear doors), convenience electronics (control module)10
14Electronic Stabilization Program (ESP) (control module), automatic transmission (control modulel, shift gate automatic transmission10
15Interior lights, reading lights10
16Diagnostic connector, rain sensor, air conditioning (control module)10
17Anti -theft alarm warning system5
18Diag starter5
19––
20––
21––
22Air conditioning (blower fan)40
23Driver’s side power window, front30
24Cigarette lighter20
25Rear window defogger30
26Power outlet in luggage compartment20
27Fuel tank control module, fuel pump15
28Power window, rear30
29––
30Automatic transmission20
31Automatic transmission (vacuum pump)20
32––
33Sliding/pop-up roof20
34––
35––
36Lumbar support10
37Heated seats, front20
38Passenger side power window, front30
39––
40Heating (blower fan)40
41Rear window wiper15
42Windshield wiper (washer pump)15
43Convenience electronics (control module)20
44Trailer control module20
45Trailer control module15
46––
47Cell phone package (VDA interface)5
48––
49––

[2009]

Instrument panel

2009-audi-a3-s3-8P-instrument-panel-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
1Manual headlight beam adjustment, automatic headlight beam adjustment, AFS control module, engine components, light switch (switch lighting/illumination), diagnosis socket10
2Automatic transmission, control module for CAN data transfer (gateway), electro -mechanical steering, shift gate automatic transmission engine relay, fuel tank control unit, engine control unit, brakes control (ABS), Electronic Stabilization Program (ESP), Anti -Slip Regulation (ASR), brake light switch10
3Airbag5
4Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), Anti-Slip Regulation (ASRI, oil level sensor (WIVI, back-up light switch, front seat heating, Seat-occupancy recognition (on USA vehicles), navigation, garage door opener, automatic mirror dimming, Heated windshield washer nozzles,air conditioning (control module5
5AFS headlights (left side)5
6AFS headlights (right side)5
7——
8——
9——
10——
11——
12Central locking (front doors)10
13Central locking (rear doors)10
14Electronic Stabilization Program (ESP) (control module), shift gate automatic transmission10
15Interior lights, reading lights10
16Diagnostic connector, rain sensor, air conditioning (control module), tire pressure monitor display (control module)10
17Anti -theft alarm warning system5
18Terminal 155
19All Wheel Drive10
20Magnetic ride5
21——
22Blower fan40
23Driver’s side power window, front30
24Power outlet front20
25Rear window defogger30
26Power outlet in luggage compartment20
27Fuel tank control module, fuel pump15
28Power window, rear30
29——
30——
31Automatic transmission (vacuum pump)20
32Headlight washer system30
33Sliding/pop-up roof20
34——
35——
36Lumbar support10
37Heated seats, front20
38Passenger side power window, front30
39Special function interface5
40Starter40
41Rear window wiper15
42Windshield wiper (washer pump)15
43Convenience electronics (control module)20
44Trailer control module20
45Trailer control module15
46——
47Cell phone package (VDA interface)5
48——
49——

Engine compartment

Variant with 30 Plug-in Fuses

2009-audi-a3-s3-8P-engine-compartment-version-with-30-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1——
F2Steeling wheel electronics5
F3Battery voltage5
F4ESP valves, Anti -lock brake system (ABS) valves20 / 30
F5Transmission control module15
F6Steeling wheel electronics, instrument cluster5
F7Transmission control module30
F8Navigation system, radio system15 / 25
F9Navigation system, digital radio, cell phone, TV equipment5
F10Engine control module, main relay5 / 10
F11——
F12Control module for CAN data transfer (gateway)5
F13Engine control module15 / 25
F14Ignition coils20
F15Tank diagnosis, oxygen sensor10 / 15
F16Vehicle electrical system control unit (right)30
F17Horn15
F18Audio amplifier30
F19Front windshield wiper system30
F20Water return -flow pump, volume regulator valve10 / 20
F21Oxygen sensor, vacuum pump15
F22Clutch pedal switch, brake light switch5
F23Engine relays, engine components5 / 10 / 15
F24Engine components, water return-flow pump10
F25Pump (ESP/ABS), ABS valve30 / 40
F26Vehicle electrical system control unit (left)30
F27Secondary air pump40
F28——
F29Fuse assignment in the left-side instrument panel (special equipment)50
F30Power supply relay terminal 1550

Variant with 54 Plug-in Fuses

2009-audi-a3-s3-8P-engine-compartment-version-with-54-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1Vehicle electrical system control unit (right)30
F2ESP valves, Anti -lock brake system (ABS) valves20 / 30
F3——
F4Battery voltage5
F5Horn15
F6Engine components, fuel pump15
F7——
F8——
F9Engine components10
F10Fuel tank control, mass air flow sensor10
F11Oxygen sensors, in front of catalytic converter10
F12Oxygen sensors, behind catalytic converter10
F13Automatic transmission15
F14——
F15Water return-flow pump10
F16Volume control valve20
F17Steering wheel electronics, instrument cluster5
F18Audio amplifier30
F19Navigation system, radio system15 / 25
F20Navigation system, digital radio, cell phone, TV equipment5
F21——
F22——
F23Engine control modu le, main relay10
F24Control module for CAN data transfer (gateway)5
F25——
F26——
F27——
F28Engine control module15 / 25
F29Engine relays, eng ine components5
F30——
F31Front windshield wiper system30
F32——
F33——
F34——
F35——
F36——
F37——
F38Engine components10
F39Clutch pedal switch, brake light switch5
F40Ignition coils20
F41——
F42——
F43Ignition coils30
F44——
F45——
F46——
F47Left-side lighting (electric system control unit)30
F48Pump (ESP/ABS), ABS valve, Anti-lock brake system (ABS) valves30 / 40
F49——
F50——
F51Secondary air pump40
F52Power supply relay terminal 1550
F53Fuse assignment in the left-side instrument panel (special equipment)50
F54——

[2010]

Engine compartment

Variant with 30 Plug-in Fuses

2010-audi-a3-s3-8P-engine-compartment-version-with-30-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1Terminal 3040
F2Engine components20
F3Battery voltage5
F4ESP valves, Anti -lock brake system (ABS) valves20 / 30
F5Transmission control module15
F6Steering wheel electronics5
F7——
F8——
F9——
F10Engine control module, main relay5 / 10
F11——
F12Control module for CAN data transfer (gateway)5
F13Engine control module15 / 25 / 30
F14Ignition coils, engine components (diesel engine)20
F15Preheating control module/engine component, tank diagnosis, oxygen sensor10 / 15
F16Body control module (right)30
F17Horn15
F18Audio amplifier30
F19Front windshield wiper system30
F20Water return -flow pump : volume regulator valve10 / 20
F21Oxygen sensor, vacuum pump15
F22Clutch pedal switch, brake light switch5
F23Engine components, water pump5 / 10 / 15
F24Engine components, water pump10
F25Pump (ESP/ABS), ABS valve40
F26Body control module (left)30
F27Secondary air pump, preheating control module40
F28——
F29Fuse assignment in the left-side instrument panel (special equipment)50
F30Power supply relay terminal 1550

Variant with 54 Plug-in Fuses

2010-audi-a3-s3-8P-engine-compartment-version-with-54-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1Body control module (right)30
F2ESP valves, Anti -lock brake system (ABS) valves20 / 30
F3Terminal 3040
F4Battery voltage5
F5Horn15
F6——
F7——
F8——
F9Engine components10
F10Fuel tank control, mass air flow sensor10
F11Oxygen sensors, in front of catalytic converter10
F12Oxygen sensors, behind catalytic converter10
F13Automatic transmission15
F14——
F15Water pump10
F16Volume control valve20
F17Steering wheel electronics5
F18Audio amplifier30
F19——
F20——
F21——
F22——
F23Engine control modu le, main relay10
F24Control module for CAN data transfer (gateway)5
F25——
F26——
F27——
F28Engine control module15 / 25
F29Engine components5
F30——
F31Front windshield wiper system30
F32——
F33——
F34——
F35——
F36——
F37——
F38Engine components, tank diagnosis10
F39Clutch pedal switch, brake light switch5
F40Ignition coils20
F41——
F42——
F43——
F44——
F45——
F46——
F47Body control module Ueftl30
F48Pump (ESP/ABS), ABS valve40
F49——
F50——
F51——
F52Power supply relay terminal 1550
F53Fuse assignment in the left-side instrument panel (special equipment)50
F54——

Instrument panel

2010-audi-a3-s3-8P-instrument-panel-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
1Manual headlight beam adjustment, automatic headlight beam adjustment, AFS control module, engine components, light switch (switch lighting/illumination), diagnosis socket10
2Automatic transmission, control module for CAN data transfer (gateway), electro -mechanical steering, shift gate automatic transmission engine relay, fuel tank control unit, engine control unit, brakes control (ABS), Electronic Stabilization Program (ESP), Anti -Slip Regulation (ASR)10
3Airbag5
4Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), Anti-Slip Regulat ion (ASR), tire pressure monitor display, oil level sensor, back-up switch, front seat heating , parking aid, seat -occupancy recognition (on USA vehicles), garage door opener, automatic mirror dimming, headlight assistant, heated windshield washer nozzles, air conditioning (control module)5
5AFS headlights (left side)5
6AFS headlights (right side)5
7——
8——
9Navigation system, radio system15
10Digital radio, cell phone, TV equipment7,5
11Automatic mirror dimming, headlight assistant10
12Central locking (front doors)10
13Central locking (rear doors)10
14Electronic Stabilization Program (ESP) (control module), shift gate automatic transmission10
15Interior lights, reading lights10
16Diagnostic connector, rain sensor, air conditioning (control module), tire pressure monitor display (control module)10
17Anti -theft alarm warning system5
18Diagnose Starter5
19All Wheel Drive10
20——
21——
22Blower fan40
23Driver’s side power window, front30
24Power outlet front20
25Rear window defogger30
26Power outlet in luggage compartment20
27Fuel tank control module, fuel pump15
28Power window, rear30
29——
30——
31——
32——
33Sliding/pop-up roof20
34——
35——
36Lumbar support10
37Heated seats, front20
38Passenger side power window, front30
39Special function interface5
40Starter40
41Rear window wiper15
42——
43Body control module20
44——
45——
46——
47Cell phone package (VDA interlace)5
48——
49——

[2011]

Instrument panel

2011-audi-a3-s3-8P-instrument-panel-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating [A]
1Manual headlight beam adjustment, automatic headlight beam adjustment, AFS control module, engine components, light switch (switch lighting/illumination), diagnosis socket10
2Automatic transmission, control module for CAN data transfer (gateway), electro -mechanical steering, shift gate automatic transmission engine relay, fuel tank control unit, engine control unit, brakes control (ABS), Electronic Stabilization Program (ESP), Anti -Slip Regulation (ASR)10
3Airbag5
4Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), Anti-Slip Regulat ion (ASR), tire pressure monitor display, oil level sensor, back-up switch, front seat heating , parking aid, seat -occupancy recognition (on USA vehicles), garage door opener, automatic mirror dimming, headlight assistant, heated windshield washer nozzles, air conditioning (control module)5
5AFS headlights (left side)5
6AFS headlights (right side)5
7——
8——
9Navigation system, radio system15
10Digital radio, cell phone, TV equipment7,5
11Automatic mirror dimming, headlight assistant10
12Central locking (front doors)10
13Central locking (rear doors)10
14Electronic Stabilization Program (ESP) (control module), shift gate automatic transmission10
15Interior lights, reading lights10
16Diagnostic connector, rain sensor, air conditioning (control module), tire pressure monitor display (control module)10
17Anti -theft alarm warning system5
18Diagnose Starter5
19All Wheel Drive10
20——
21——
22Blower fan40
23Driver’s side power window, front30
24Power outlet front20
25Rear window defogger30
26Power outlet in luggage compartment20
27Fuel tank control module, fuel pump15
28Power window, rear30
29——
30——
31——
32——
33Sliding/pop-up roof20
34——
35——
36Lumbar support10
37Heated seats, front20
38Passenger side power window, front30
39Special function interface5
40Starter40
41Rear window wiper15
42——
43Body control module20
44——
45——
46——
47Cell phone package (VDA interlace)5
48——
49——

Engine compartment

Variant with 30 Plug-in Fuses

2011-audi-a3-s3-8P-engine-compartment-version-with-30-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1Terminal 3040
F2Engine components20
F3Battery voltage5
F4ESP valves, Anti -lock brake system (ABS) valves20 / 30
F5Transmission control module15
F6Steering wheel electronics5
F7——
F8——
F9——
F10Engine control module, main relay5 / 10
F11——
F12Control module for CAN data transfer (gateway)5
F13Engine control module15 / 25 / 30
F14Ignition coils, engine components (diesel engine)20
F15Preheating control module/engine component, tank diagnosis, oxygen sensor10 / 15
F16Body control module (right)30
F17Horn15
F18Audio amplifier30
F19Front windshield wiper system30
F20Water return -flow pump, volume regulator valve10 / 20
F21Oxygen sensor, vacuum pump15
F22Clutch pedal switch, brake light switch5
F23Engine components, water pump5 / 10 / 15
F24Engine components, water pump10
F25Pump (ESP/ABS), ABS valve40
F26Body control module (left)30
F27Secondary air pump, preheating control module40
F28——
F29Fuse assignment in the left-side instrument panel (special equipment)50
F30Power supply relay terminal 1550

Variant with 54 Plug-in Fuses

2011-audi-a3-s3-8P-engine-compartment-version-with-54-plug-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1Body control module (right)30
F2ESP valves, Anti -lock brake system (ABS) valves20 / 30
F3Terminal 3040
F4Battery voltage5
F5Horn15
F6——
F7——
F8——
F9Engine components10
F10Fuel tank control, mass air flow sensor10
F11Oxygen sensors, in front of catalytic converter10
F12Oxygen sensors, behind catalytic converter10
F13Automatic transmission15
F14——
F15Water pump10
F16Volume control valve20
F17Steering wheel electronics5
F18Audio amplifier30
F19——
F20——
F21——
F22——
F23Engine control modu le, main relay10
F24Control module for CAN data transfer (gateway)5
F25——
F26——
F27——
F28Engine control module15 / 25
F29Engine components5
F30——
F31Front windshield wiper system30
F32——
F33——
F34——
F35——
F36——
F37——
F38Engine components, tank diagnosis10
F39Clutch pedal switch, brake light switch5
F40Ignition coils20
F41——
F42——
F43——
F44——
F45——
F46——
F47Body control module Ueftl30
F48Pump (ESP/ABS), ABS valve40
F49——
F50——
F51——
F52Power supply relay terminal 1550
F53Fuse assignment in the left-side instrument panel (special equipment)50
F54——

[2012]

Engine compartment

2012-audi-a3-s3-8P-engine-compartment-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
F1——
F2Engine components20
F3Battery voltage5
F4ESP valves, Anti -lock brake system (ABS) valves20 / 30
F5Transmission control module15
F6Steering wheel electronics5
F7——
F8——
F9——
F10Engine control module, main relay5 / 10
F11——
F12Control module for CAN data transfer (gateway)5
F13Engine control module (diesel engine/gasoline engine)15 / 20 / 25 / 30
F14Ignition coils, engine components (diesel engine)20
F15Preheating control module/engine component tank diagnosis, oxygen sensor10 / 15
F16Body control module (right)30
F17Horn15
F18Audio amplifier30
F19Front windshield wiper system30
F20Water return -flow pump, volume regulator valve10 / 15 / 20
F21Oxygen sensor (diesel engine/gasoline engineyvacuum pump10 / 15 / 20
F22Clutch pedal switch, brake light switch5
F23Engine relay, water pump/ engine components/volume regulator valve5 / 10 / 15
F24Engine components, water pump10
F25Pump (ESP/ABS), ABS valve40
F26Body control module (left)30
F27Secondary air pump, preheating control module40
F28——
F29Fuse assignment in the left-side instrument panel (special equipment)50
F30Power supply relay terminal 1550

Instrument panel

2012-audi-a3-s3-8P-instrument-panel-fuse-box-diagam-carsfuse.com
NumberEquipmentFuse Ampere rating
1ManuaI head light beam adjustment, automat ic headlight beam adjustment, AFS 1 control module, engine components, light switch (switch lighting/illumination), diagnosis socket10
2Automatic transmission, control module for CAN data transfer (gateway), electromechanical steering, shift gate automatic transmission, fuel tank control unit, engine control unit, brakes control (ABS), Electronic Stabili zation Program (ESP), Anti-Slip Regulation (ASR)10
3Airbag5
4Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), AntiSlip Regulat ion (ASR), tire pressure monitor display, oil level senso r, back-up light switch, front se at heating, parking a id, seat-occupancy recognition (on USA vehi cles), garage door opener, automatic mirror dimming, headlight assistant, heated windshield washer nozzles, air conditioning (control module)5
5AFS headlights (left side)5
6AFS headlights (right side)5
7——
8Instrument cluster5
9Navigation system, radio system15
10Digital radio, cell phone, TV equipment7,5
11Automatic mirror dimming, headlight assistant10
12Central locking (front doors)10
13Central locking (rear doors)10
14Electronic Stabilizati on Program (ESP) (control module), shift gate automatic transmission10
15Interior lights, reading lights10
16Diagnostic connector, rain sensor, air conditioning (control module), tire pressure monitor display (control module)10
17Anti -theft alarm warning system5
18Diagnose Starter5
19All Wheel Drive10
20Audi magnetic ride10
21——
22Blower fan40
23Driver’s side power window, front30
24Power outlet front20
25Rear window defogger30
26Power outlet in luggage compartment20
27Fuel tank control module, fuel pump15
28Power window, rear30
29——
30——
31——
32——
33Sliding/pop-up roof20
34——
35——
36Lumbar support10
37Heated seats, front20
38Passenger side power window, front30
39Special function interface5
40Starter40
41Rear window wiper15
42——
43Body control module20
44——
45——
46——
47Cell phone package (VDA interface)5
48——
49——
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Tom Smith

Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.