Fuse box diagram Audi A3 8P (2003

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	–

fuse box diagram (2005 late type and 2006).

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	–

fuse box diagram (2005 early type).

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	–

fuse box diagram (since 2007).

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

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