For Audi A3 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 model year.
| Cigarette lighter fuse – (fuse box in passenger compartment, fuse №24/20A) |
Fuse box in engine compartment.
Fuse box location. Left side of engine compartment fuse cover.
fuse box diagram.
type 1.
legend (2005 late type and 2006 type 1).
1 | Ignition main circuits relay |
2 | Engine coolant pump relay (AXX/BHZ/BMJ/BPY/BUB/BWA) |
3 |
|
4 | Fuel pump (FP) relay (BMJ/BUB) |
F1 | (30A) Anti-lock brake system (ABS) |
F2 | (30A) Anti-lock brake system (ABS) |
F3 | (20A) ^2007: Multifunction control module 2 |
F4 | (5A) Multifunction control module 1 |
F5 | (15A) Horn |
F6 | (15A) Engine management |
F7 |
|
F8 |
|
F9 | (10A) Engine management |
F10 | (10A) Engine management |
F11 | (10A) Engine management |
F12 | (10A) Engine management |
F13 | (15A) Automatic transmission (AT) (DSG gearbox) |
F14 |
|
F15 | (10A) Engine coolant pump motor |
F16 | (5A) Steering column function control module |
F17 | (5A) Instrument panel |
F18 | (30A) Audio system |
F19 | (15A/25A) Audio system, navigation system |
F20 | (5A) Navigation system, telephone |
F21 |
|
F22 |
|
F23 | (5A/10A) Engine management |
F24 | (5A) Diagnostic module |
F25 |
|
F26 |
|
F27 | (5A) Exhaust gas control solenoid (BHZ) |
F28 | (25A) Engine management |
F29 | (5A) Engine coolant pump relay, secondary air injection (AIR) pump relay |
F30 | (20A) Auxiliary heater |
F31 | (30A) Windscreen wipers |
F32 | – |
F33 | – |
F34 | – |
F35 | – |
F36 | – |
F37 | – |
F38 | (10A) Engine coolant blower motor control module, Engine management |
F39 | (5A) Brake pedal position (BPP) switch, clutch pedal position (CPP)sensor |
F40 | (20A) Engine management |
F41 | – |
F42 | (5A) Engine management |
F43 | (30A) Engine management |
F44 | – |
F45 | – |
F46 | – |
F47 | (30A/40A) Multifunction control module 1 |
F48 | (30A/40A) Multifunction control module 1 |
F49 | (40A)^2007: Fascia fuse box/relay plate 1 (F1-F11/F29-F31/F47/F49), Multifunction control module relay 2 |
F50 | – |
F51 | (40A) Engine management |
F52 | (40A/50A)^2007: Fascia fuse box/relay plate 1 (F40-F42/F46), ignition auxiliary circuits relay, Multifunction control module |
F53 | (50A)^2007:Electricseats,fascia fuse box/relayplate1(F18/F20/F32-F37/F44/F45/F48) |
F54 | – |
legend (2005 early type).
1 | Ignition main circuits relay 2 |
2 | Starter motor relay |
3 | Fuel pump (FP) relay-1,6 (BGU)/3,2(BDB) |
4 | Ignition main circuits relay 1 |
F1 | (30A) Anti-lock brake system (ABS) |
F2 | (30A) Anti-lock brake system (ABS) |
F3 | (20A) Multifunction control module 2 |
F4 | (5A) Multifunction control module 1- except 3,2 (BDB) |
F5 | (20A) Horn |
F6 | (5A/20A/30A) Engine management-petrol |
F7 | (5A) Brake pedal position (BPP)switch |
F8 | (10A) Engine coolant blower motor control module, Engine management |
F9 | (10A) Engine management |
F10 | (10A) Engine management |
F11 | (25A) Engine management-petrol |
F12 | (15A) Engine management |
F13 | (20A) Automatic transmission (AT) |
F14 |
|
F15 | (40A) Starter motor |
F16 | (15A) Steering column function control module |
F17 | (10A) Instrument panel |
F18 | (30A) Audio system |
F19 | (15A) Audio system, navigation system |
F20 | (5A)Telephone |
F21 | (10A) Navigation system |
F22 |
|
F23 |
|
F24 | (10A) Diagnostic module, ignition switch |
F25 |
|
F26 | (5A) Engine management-Diesel |
F27 | (10A) Crank case breather heater |
F28 | (20A) Automatic transmission (AT) |
F29 | (10A/20A) Engine management |
F30 | (20A) Auxiliary heater |
F31 | (25A) Windscreen wipers |
F32 | (10A) Engine management |
F33 | (15A) Fuel lift pump |
F34 | – |
F35 | – |
F36 | – |
F37 | – |
F38 | (10A) Headlamp adjustment |
F39 | (5A) Engine oil temperature sensor, instrument panel |
F40 | (30A) Fascia fuse box/relay plate 1 (F1-F11/F29-F31) |
F41 | – |
F42 | (5A) Engine management-petrol |
F43 | (20A) Brake servo vacuum pump |
F44 | Engine management- Diesel |
F45 | (10A/15A) Engine management |
F46 | (10A) Engine management |
F47 | (40A) Multifunction control module 1 |
F48 | (40A) Multifunction control module 1 |
F49 | (30A) Multifunction control module relay 2 |
F50 | – |
F51 | (40A) Engine management-petrol |
F52 | (50A) Multifunction control module1 |
F53 | (50A) Fascia fuse box/relayplate1 (F32-F37)-except 3,2(BDB) |
F54 | (50A) Engine coolan tblower motor control module |
fuse box diagram.
type 2 (since 2006).
1 | Ignition main circuits relay |
2 | Secondary air injection (AIR) pump relay (BSE) |
F1 | (20A) ^2007: Multifunction control module2 |
F2 | (5A) Steering column function control module |
F3 | (5A) Multifunction control module 1 |
F4 | (30A) Anti-lock brake system (ABS) |
F5 | (15A) Automatic transmission (AT) (DSG gearbox) |
F6 | (5A) Instrumentation control module |
F7 | – |
F8 | (15A/25A) Audio system, navigation system |
F9 | (5A) Navigation system, telephone |
F10 | (5A/10A) Engine management |
F11 | (20A) Auxiliary heater |
F12 | (5A) Diagnostic module |
F13 | (25A/30A) Engine management |
F14 | (20A) Engine management |
F15 | (5A/10A/15A) Engine management |
F16 | (30A) Anti-lock brake system (ABS) |
F17 | (15A) Horn |
F18 | (30A) Audio system |
F19 | (30A) Windscreen wipers |
F20 | (20A) Fuel pressure regulator control solenoid (BPT/BPU/BYT) |
F21 | (10A/15A) Engine management |
F22 | (5A) Brake pedal position (BPP)switch, clutch pedal position (CPP) sensor |
F23 | (5A/10A/15A) Engine coolant pump relay, Engine management |
F24 | (10A) Engine coolant blower motor control module(some models), Engine management |
F25 | (30A/40A) Multifunction control module 1 |
F26 | (30A/40A) Multifunction control module 1 |
F27 | (40A) Secondary air injection (AIR) pump(BSE) |
F28 | (40A)^2007: Fascia fuse box/relayplate1 (F1-F11/F29-F31/F39/F47/F49), Multifunction control module relay 2 |
F29 | (50A)^2007:Electricseats,fascia fuse box/relayplate1(F18/F20/F32-F37/F44/F45/F48) |
F30 | (40A50A)^2007: Fascia fuse box/relay plate (F40-F42/F46), ignition auxiliary circuits relay, multifunction control module |
Fuse box №2 Audi A3 8P.
fuse box location.
fuse box diagram.
type 1 – early type.
F1 | (150A/200A) Alternator |
F2 | (80A) Power steering |
F3 | (80A) Engine coolant blower motor |
F4 | (80A) Fascia fuse box/relay plate 1 (F22-F27), fascia fuse box/relay plate 2 (F2) – BDB |
F5 | (100A) Auxiliary heater |
F6 | (50A) Fascia fuse box/relay plate 1 (F12-F17/F44-F45)-3,2(BDB) |
F7 | – |
fuse box diagram.
type 2 – late type 1.
F1 | (150A/200A) Alternator |
F2 | (80A) Power steering |
F3 | (50A) Engine coolant blower motor control module |
F4 | (80A) ^10/05:Fascia fuse box/relay plate 1(F12-F17/F19/F22-F27/F28/F38) |
F5 | (80A) 11 /05-07: Fascia fuse box/relay plate 1(F12-F17/F19/F22-F27/F28/F38) |
F6 | – |
F7 | (50A/80A) Emergency vehicles |
fuse box diagram.
type 2 – late type 2.
F1 | (150A/200A) Alternator |
F2 | (80A) Power steering |
F3 | (50A) Engine coolant blower motor, engine coolant blower motor control module |
F4 | (80A) ^10/05:Fascia fuse box/relay plate 1(F12-F17/F19/F22-F27/F28/F38) |
F5 | (100A) ^10/05: Auxiliary heater control module |
F6 | (100A) 11/05-10/06:Auxiliary heater control module |
F7 | (50A/80A) Emergency vehicles |
Fuse box №3 (under fuse box 1).
1 | – |
2 | Glow plug control module |
3 | – |
4 | – |
5 | Secondary air injection (AIR) pump relay |
6 | Engine coolant pump relay |
Fuse box in passenger compartment Audi A3 8P.
fuse box location.
End face of instr ument panel: removing cover plate to access fuses.
fuse box layout.
legend (2005 – early type).
F1 | (10A) Data link connector (DLC), light switch |
F2 | (5A) Anti-lock brake system (ABS) |
F3 | (10A) Power steering |
F4 | (10A) Air conditioning (AC) |
F5 | (5A) Brake pedal position(BPP) switch, clutch position potential meter |
F6 | (5A) Trailer control module |
F7 | (5A) Headlamp level control module, heated seats |
F8 | (10A) Interior rearview mirror, navigation system, parking aid control module |
F9 | (5A) Four wheel drive control module |
F10 | (5A) Automatic transmission (AT) |
F11 | (10A) Trailer control module |
F12 | (10A) Door function control module, driver, door function control module, passenger |
F13 | (10A) Brake pedal position (BPP)switch, data link connector (DLC) |
F14 | (5A) Automatic transmission (AT) |
F15 | (10A) Multifunction control module 1 |
F16 | (10A) Heater/air conditioning (AC) |
F17 | (5A) Multifunction control module 2 |
F18 | (5A) Anti-lock brake system (ABS), navigation system, parking aid control module |
F19 | – |
F20 | – |
F21 | – |
F22 | (40A) Heater/air conditioning (AC) |
F23 | (20A) Headlamp washers |
F24 | (20A) Cigarette lighter |
F25 | (30A) Heated rear window |
F26 | (20A) Charging socket |
F27 | (15A) Engine management |
F28 | – |
F29 | (10A) Air bag, engine management |
F30 | – |
F31 | (5A) Automatic transmission (AT) (DSG gear box), reversing lamps |
F32 | – |
F33 | (25A)Sunroof |
F34 | (20A) Heated seats |
F35 | (5A) Alarm system |
F36 | (10A) Electric seats |
F37 | (20A) Air conditioning (AC), heated seats |
F38 | – |
F40 | (40A) Heater/air conditioning (AC) |
F41 | (15A) Rear screen wash/wipe system |
F42 | (15A) Multifunction control module1 |
F43 | – |
F44 | (20A) Trailer control module |
F45 | (15A) Trailer control module |
F46 | (5A) Heater/air conditioning (AC), windscreen washer jet heaters |
F47 | – |
F48 | – |
F49 | – |
legend (2005 – late type).
F1 | (10A) Data link connector (DLC), engine management, light switch |
F2 | (5A) Anti-lock brake system (ABS), brake pedal position (BPP) switch |
F3 | (5A) Airbag |
F4 | (5A) Engine oil quality sensor, heated seats, heater/air conditioning (AC), reversing lamps (with MT),TCS/ESP master switch, tyre pressure monitoring system |
F5 | (5A) Headlamp level control module |
F6 | (5A) Automatic transmission (AT),DSG gearbox ,digital display function switch, diagnostic module, power steering |
F7 | (5A) Garage door opener, interior rearview mirror, navigation system, parking aid control module, trailer control module |
F8 | (10A) Trailer socket |
F9 | – |
F10 | (5A) Seat occupation control module (if fitted) |
F11 | (5A) Gas discharge headlamp control module (right) |
F12 | (10A) Door function control module, driver, door function control module, passenger |
F13 | (10A) Brake pedal position (BPP) switch, data link connector (DLC), stop lamps |
F14 | (5A) Automatic transmission (AT) |
F15 | (10A) Multifunction control module 1 |
F16 | (10A) Rain/ambient light sensor, auxiliary heater remote control receiver, heater/air conditioning (AC) |
F17 | (5A) Multifunction control module 2 |
F18 | (5A) Automatic transmission (AT), DSG gearbox, parking aid control module |
F19 | (10A) Door function control module, left rear, door function control module, right rear |
F20 | (5A) Anti-lock brake system (ABS) |
F21 | – |
F22 | (40A) Heater/air conditioning (AC) |
F23 | (30A) Electric window motor, driver |
F24 | (20A) Charging socket (some models), cigarette lighter |
F25 | (30A) Heated rear window |
F26 | (20A) Charging socket |
F27 | (15A) Fuel pump control module (if fitted), fuel pump (FP) relay (if fitted), fuel system primer relay (if fitted) |
F28 | (30A) Electric window motor, rear left, electric window motor, rear right |
F29 | (10A) Engine management |
F30 | (10A) Injectors (some models) |
F31 | (5A) Four wheel drive control module (if fitted) |
F32 | (30A) Headlamp washers |
F33 | (25A) Sunroof |
F34 | (20A) Heated seats |
F35 | (5A) Alarm system |
F36 | (10A) Electric seats |
F37 | (20A) Air conditioning (AC), heated seats |
F38 | (30A) Electric window motor, passenger |
F39 | (20A) Automatic transmission (AT) |
F40 | (40A) Heater/AC blower motor switch (without AC) |
F41 | (15A) Rear screen wipe system |
F42 | (15A) Windscreen/rear screen washer pump |
F43 | – |
F44 | (20A) Trailer control module |
F45 | (15A) Trailer control module |
F46 | (5A) Heater/air conditioning (AC), wind screen washer jet heaters |
F47 | (5A) Gas discharge headlamp control module (left) |
F48 | (10A) Driving school vehicle |
F49 | (5A) Driving school vehicle |
legend (since 2007).
F1 | (10A) Data link connector (DLC), engine management, headlamp adjustment, light switch, trailer control module |
F2 | (10A) Automatic transmission (AT), DSG gearbox, ABS, brake pedal position (BPP)switch, diagnostic module, engine management, four wheel drive control module, power steering |
F3 | (5A) Airbag |
F4 | (5A) Engine oil quality sensor, garage door opener, interior rearview mirror, navigation system, heated seats, heater/air conditioning (AC), parking aid control module, reversing lamps (with MT),TCS/ESP master switch, seat occupation control module, tyre pressure monitoring system, windscreen washer jet heaters |
F5 | (5A) Gas discharge headlamp control module (left) |
F6 | (5A) Gas discharge headlamp control module (right) |
F7 | – |
F8 | – |
F9 | – |
F10 | – |
F11 | – |
F12 | (10A) Door function control module, driver, door function control module, passenger |
F13 | (10A) Door function control module, left rear, door function control module, right rear, multifunction control module 2 |
F14 | (10A) Automatic transmission (AT), DSG gearbox, ABS (some models), parking aid control module |
F15 | (10A) Interior lamps |
F16 | (10A) Rain/ambient light sensor, auxiliary heater remote control receiver, data link connector (DLC), heater/air conditioning (AC) |
F17 | (5A) Alarm system |
F18 | – |
F19 | – |
F20 | – |
F21 | – |
F22 | (40A) Heater/air conditioning (AC) |
F23 | (30A) Electric window motor, driver |
F24 | (20A) Cigarette lighter |
F25 | (30A) Heated rear window |
F26 | (20A) Charging socket |
F27 | (15A) Fuel pump control module (if fitted), fuel pump(FP) relay (if fitted), fuel system primer relay (if fitted) |
F28 | (30A) Electric window motor, rear left, electric window motor, rear right |
F29 | – |
F30 | (20A) Automatic transmission (AT) |
F31 | (20A) Brake servo vacuum pump (if fitted) |
F32 | (30A) Headlamp washers |
F33 | (20A) Sunroof |
F34 | (20A) Heated seats |
F35 | – |
F36 | (10A) Electric seats |
F37 | (20A) Air conditioning(AC), heated seats |
F38 | (30A) Electric window motor, passenger |
F39 | – |
F40 | (40A) Heater/air conditioning (AC) |
F41 | (15A) Rear screen wipe system |
F42 | (15A) Windscreen/rear screen washer pump |
F43 | (20A) Multifunction control module 2 |
F44 | (20A) Trailer control module |
F45 | (15A/20A) Trailer control module |
F46 | (10A) Trailer socket |
F47 | (5A) Telephone connector |
F48 | (10A) Driving school vehicle |
F49 | (5A) Emergency vehicles, driving school vehicle |
Fuse box under instrumental panel (left side).
fuse box diagram.
1 | Headlamp washer pump relay |
2a | – |
2b | Fuel lift pump relay – Diesel |
3a | – |
3b | – |
4a | – |
4b | – |
5a | – |
5b | – |
F1 | – |
F2 | (30A) Electric windows |
F3 | – |
F4 | – |
1 | Headlamp washer pump relay |
2a | ^07/05: Fuel system primer relay (petrol, BSE/BSF/BMJ/BUB) |
2b | ^07/05: Fuel pump(FP) relay(petrol, BSE/BSF) |
3 | ^07/05: Starter motor relay |
4 | 08/05^: Starter motor relay |
5a | 08/05^: Fuel system primer relay (petrol, BSE/BSF/BMJ/BUB) |
5b | 08/05^: Fuel pump(FP) relay(petrol, BSE/BSF) |
F1 | – |
F2 | – |
F3 | (30A) Electric seats |
F4 | – |
1 | Headlamp washer pump relay |
2a | – |
2b | Fuel pump (FP) relay (AZV/BKC/BKD) |
3a | – |
3b | – |
4 | Driving school vehicle |
5 | Driving school vehicle |
F1 | (30A) Electric windows, rear (5door) |
F2 | (30A) Electric windows, front |
F3 | – |
F4 | – |
1 | Headlamp washer pump relay |
2 | Engine coolant heater relay1 (Diesel with auxiliary heater) |
3 | Engine coolant heater relay2(Diesel with auxiliary heater) |
4 | Starter motor relay |
5a | Fuel pump (FP) relay (Diesel) |
5b | Fuel pump (FP) relay (petrol, BSE/BSF) |
F1 | – |
F2 | – |
F3 | (30A) Electric seats |
F4 | – |
Relay box under instrumental panel (left side).
1 | Multifunction control module relay 2 |
2 | Seat heater relay |
3 |
|
4 | Multifunction control module relay 1 |
5 | Heated rear window relay |
6 | Horn relay |
7 | Windscreen/rear screen washer pump relay 2 |
8 | Windscreen/rear screen washer pump relay 1 |
9 | Ignition auxiliary circuits relay |
1 | ABS control module |
2 | AC control module |
3 | AC/heater blower control module |
4 | Airbag crash sensor, single – LH |
5 | Airbag crash sensor, single – RH |
6 | Airbag side assembly crash sensor, driver(3door) |
7 | Airbag side assembly crash sensor, driver- in door (5door) |
8 | Airbag side assembly crash sensor, left rear |
9 | Airbag side assembly crash sensor, passenger(3door) |
10 | Airbag side assembly crash sensor, passenger- indoor (5 door) |
11 | Airbag side assembly crash sensor, right rear |
12 | Alarm system gradient sensor |
13 | Alarm system horn – behind wheelarch |
14 | Light sensor- incorporated in rain sensor |
15 | Auxiliary heater control module (if fitted) |
16 | Battery(BDB/BMJ/BUB) |
17 | Battery (except BDB/BMJ/BUB) |
18 | Data link connector (DLC) |
19 | Diagnostic module |
20 | Door function control module, driver- indoor |
21 | Door function control module, left rear – indoor (5 door) |
22 | Door function control module, passenger – indoor |
23 | Door function control module, right rear – indoor (5door) |
24 | Engine control module (ECM) – in plenum chamber |
25 | Engine coolant blower motor control module- in engine coolant blower motor |
26 | Four wheel drive control module – rear final drive |
27 | Fuel pump control module – under rear seat, on tank (if fitted) |
28 | Fuse box/relay plate, engine bay 1 |
29 | Fuse box/relay plate, engine bay 2 |
30 | Fuse box/relay plate, engine bay 3-underengine bay fuse box/relay plate 1 (early models) |
31 | Fuse box/relay plate, fascia 1 |
32 | Fuse box/relay plate, fascia2 |
33 | Fuse box/relay plate, fascia3 |
34 | Fuse box/relay plate, loadarea(BDB/BMJ/BUB) |
35 | Garage door opener control module |
36 | Gas discharge headlamp control module, LH |
37 | Gas discharge headlamp control module, RH |
38 | Glow plug control module- under engine bay fuse box/relay plate 1 (late models) |
39 | Headlamp level control module (gas discharge headlamps) |
40 | Heater blower speed resistor |
41 | Heater function control module – in heater controls – without AC |
42 | Horn 1 – Diesel/TFSI |
43 | Horn 1 – petrol except TFSI |
44 | Horn 2- Diesel/TFSI |
45 | Horn 2- petrol except TFSI |
46 | Immobilizer control module – in instrument panel |
47 | Immobilizer read coil – in ignition switch |
48 | Indicator relay – in steering column function control module |
49 | Instrumentation control module |
50 | Multifunction control module 1- in fascia fuse box/relay plate 3-functions: Light sensor, cigarette lighter, cruise control, fog lamps, hazard warning lamps, headlamps, heated rear window, horn, interior lamps, rain sensor, rear screen wash/wipe system, reversing lamps, side lamps, stop lamps, windscreen washers, windscreen wipers |
51 | Multifunction control module 2- functions: Alarm system, central locking, electric door mirrors, electric windows, fuel filler flap, sunroof |
52 | Navigation system control module – in navigation display unit (system RNS-E/JP3/LOW) |
53 | Navigation system control module with CD drive – LH luggage compartment (system IV) |
54 | Nitrogen oxide (NOx) sensor control module – underside (if fitted) |
55 | Outside air temperature sensor |
56 | Parking aid control module – RH luggage compartment |
57 | Power steering control module – above steering rack |
58 | Rain sensor |
59 | Seat heater control module, driver- under seat |
60 | Seat heater control module, passenger – under seat |
61 | Secondary air injection (AIR) pump relay – under engine bay fuse box/relay plate 1 (late models, BMJ/BUB) |
62 | SRS control module |
63 | Steering column function control module |
64 | Sunroof control module |
65 | Suspension ride height sensor, front (with gas discharge head lamps) –on suspension |
66 | Suspension ride height sensor, rear (with gas discharge headlamps)- on suspension |
67 | Telephone control module (if fitted) |
68 | Trailer control module – RH luggage compartment |
69 | Transmission control module (TCM) (DSG gearbox) – in transmission |
70 | Transmission control module (TCM) – except DSG gearbox |
71 | Windscreen wiper control module – in plenum chamber |