Audi A3 8P – fuses diagram

Fuse box in engine compartment. legend (2005 late type and 2006 type 1).

1

Relay for main ignition circuits

2

Engine coolant pump relay (AXX/BHZ/BMJ/BMJ/BPY/BUB/BWA).

3

4

Fuel pump (FP) relay (BMJ/BUB)

F1

(30A) Anti-lock braking system (ABS)

F2

(30A) Anti-lock braking 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) Motor management

F10

(10A) Engine management

F11

(10A) Engine management

F12

(10A) Engine management

F13

(15A) Automatic transmission (AT) (DSG)

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 pump relay (AIR)

F30

(20A) Auxiliary heater

F31

(30A) Windshield wipers

F32

F33

F34

F35

F36

F37

F38

(10A) Engine coolant blower motor control module, Engine management

F39

(5A) Brake pedal position switch (BPP), Clutch pedal position sensor (CPP)

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: Façade fuse box/relay board 1 (F1-F11/F29-F31/F47/F49), Multifunction control module 2 relay

F50

F51

(40A) Motor management

F52

(40A/50A)^2007: Fascination fuse box/relay board 1 (F40-F42/F46), ignition auxiliary circuit relay, Multifunction control module

F53

(50A)^2007:Electric seats, fascia fuse box/relayplat1(F18/F20/F32-F37/F44/F45/F48)

F54

legend (2005, early type)type 2 (from 2006).

Type 2 (since 2006). type 2 (since 2006).

1

Relay of main ignition circuits 2

2

Starting motor relay

3

Fuel pump (FP) relay 1.6 (BGU)/3.2 (BDB)

4

Main ignition circuit relay 1

F1

(30A) Anti-lock braking system (ABS)

F2

(30A) Anti-lock braking 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 control unit – gasoline

F7

(5A) Brake pedal position switch (BPP)

F8

(10A) Engine coolant blower motor control module, Engine management

F9

(10A) Engine management

F10

(10A) Engine management

F11

(25A) Engine management – gasoline

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 fuel

F27

(10A) Crankcase heater

F28

(20A) Automatic transmission (AT)

F29

(10A/20A) Engine management

F30

(20A) Additional auxiliary heater

F31

(25A) Windshield wipers

F32

(10A) Engine management

F33

(15A) Fuel pump

F34

F35

F36

F37

F38

(10A) Headlight 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 control – gasoline

F43

(20A) Vacuum servo pump for brakes

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) Relay of multifunction control module 2

F50

F51

(40A) Engine control – gasoline

F52

(50A) Multifunction control module1

F53

(50A) Fuse box/relay board 1 (F32-F37) – except 3.2(BDB)

F54

(50A) Engine cooler blower motor control module

Type 2 (2006 and above).

1 Relay for main ignition circuits
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 braking system (ABS)
F5 (15A) Automatic transmission (AT) (DSG)
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) Additional auxiliary heater
F12 (5A) Diagnostic module
F13 (25A/30A) Engine management
F14 (20A) Engine management
F15 (5A/10A/15A) Motor management
F16 (30A) Anti-lock braking system (ABS)
F17 (15A) Horn
F18 (30A) Audio system
F19 (30A) Windshield wipers
F20 (20A) Fuel pressure regulator control solenoid (BPT/BPU/BYT)
F21 (10A/15A) Engine management
F22 (5A) Brake pedal position switch (BPP), clutch pedal position sensor (CPP)
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: Façade fuse box/relay board 1 (F1-F11/F29-F31/F39/F47/F49), Multifunction control module relay 2
F29 (50A)^2007:Electric seats, façade fuse box/relay board 1(F18/F20/F32-F37/F44/F45/F48)
F30

(40A50A)^2007:Fascia fuse box/relay board (F40-F42/F46), auxiliary ignition circuit relay, multifunction control module

Fuse box No. 2 Audi A3 8P.

type 1 – early type.

F1 (150A/200A) Alternator
F2 (80A) Power steering system
F3 (80A) Engine coolant blower motor
F4 (80A) Fuse box/relay board 1 (F22-F27), fuse box/relay board 2 (F2) – BDB
F5 (100A) Additional auxiliary heater
F6 (50A) Fuse box/relay board 1 (F12-F17/F44-F45)-3.2(BDB)
F7

type 2 – late type 1.

F1 (150A/200A) Alternator
F2 (80A) Power steering system
F3 (50A) Engine coolant blower motor control module
F4 (80A) ^10/05: Fascia fuse box/relay board 1(F12-F17/F19/F22/F27/F27/F28/F38)
F5 (80A) 11 /05-07: Fascia fuse box/relay board 1(F12-F17/F19/F22-F27/F27/F28/F38)
F6
F7 (50A/80A) Emergency vehicles

type 2 – late type 2.

F1 (150A/200A) Alternator
F2 (80A) Power steering system
F3 (50A) Engine coolant blower motor, engine coolant blower motor control module
F4 (80A) ^10/05: Fascia fuse box/relay board 1(F12-F17/F19/F22/F27/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 Relay of the secondary air injection pump (AIR)
6 Engine coolant pump relay

Fuse box in the passenger compartment of the Audi A3 8P. legend (2005 – early type).

F1

(10A) Data link connector (DLC), light switch

F2

(5A) Anti-lock braking system (ABS).

F3

(10A) Power steering system

F4

(10A) Air conditioning (AC)

F5

(5A) Brake pedal position switch (BPP), clutch position potentiometer

F6

(5A) Trailer control module

F7

(5A) Headlight level control module, heated sockets

F8

(10A) Interior rearview mirror, navigation system, parking assist system 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 switch (BPP), data link connector (DLC)

F14

(5A) Automatic transmission (AT)

F15

(10A) Multifunction control module 1

F16

(10A) Heating/air conditioning (AC)

F17

(5A) Multifunction control module 2

F18

(5A) Anti-lock braking system (ABS), navigation system, parking aid control module

F19

F20

F21

F22

(40A) Heating/air conditioning (AC)

F23

(20A) Headlight washers

F24

(20A) Cigarette lighter

F25

(30A) Heated rear window

F26

(20A) Charging socket

F27

(15A) Engine management

F28

F29

(10A) Airbag, engine management

F30

F31

(5A) Automatic transmission (AT) (DSG), reverse lights

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) Heating/air conditioning (AC)

F41

(15A) Rear screen washer/wiper system

F42

(15A) Multifunction control module 1

F43

F44

(20A) Trailer control module

F45

(15A) Trailer control module

F46

(5A) Heater/air conditioning (AC), windshield washers

F47

F48

F49

legend (2005 – late type).

F1

(10A) Data link connector (DLC), engine control, lighting switch

F2

(5A) Anti-lock braking system (ABS), brake pedal position switch (BPP)

F3

(5A) Airbag

F4

(5A) Engine oil quality sensor, heated seats, heating/air conditioning (AC), reverse lamps (with MT), TCS/ESP master switch, tire pressure monitoring system

F5

(5A) Headlight level control module

F6

(5A) Automatic transmission (AT), DSG transmission, digital display function switch, diagnostic module, power steering

F7

(5A) Garage door opener, interior rearview mirror, navigation system, parking assist control module, trailer control module

F8

(10A) Trailer socket

F9

F10

(5A) Seat occupancy control module (if installed)

F11

(5A) Gas discharge lamp control module (right)

F12

(10A) Door function control module, driver, door function control module, passenger

F13

(10A) Brake pedal position switch (BPP), data link connector (DLC), stop lamps

F14

(5A) Automatic transmission (AT)

F15

(10A) Multifunction control module 1

F16

(10A) Rain sensor/ambient light, auxiliary heater remote control receiver, heater/air conditioning (AC)

F17

(5A) Multifunction control module 2

F18

(5A) Automatic transmission (AT), DSG transmission, parking assist control module

F19

(10A) Door function control module, left rear, door function control module, right rear

F20

(5A) Anti-lock braking system (ABS)

F21

F22

(40A) Heating/air conditioning (AC)

F23

(30A) Electric motor for windows, 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 installed), fuel pump relay (FP) (if installed), fuel system priming relay (if installed)

F28

(30A) Window electric motor, rear left, window electric motor, rear right

F29

(10A) Engine management

F30

(10A) Engine management (10A) Injectors (some models)

F31

(5A) Four-wheel drive control module (if fitted)

F32

(30A) Headlight 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 motor for windows, passenger

F39

(20A) Automatic transmission (AT)

F40

(40A) Heating blower motor/AC switch (without AC)

F41

(15A) Rear screen wiping system

F42

(15A) Windshield washer/rear window washer pump

F43

F44

(20A) Trailer control module

F45

(15A) Trailer control module

F46

(5A) Heater/air conditioning (AC), windshield jet heaters

F47

(5A) Gas discharge lamp control module (left)

F48

(10A) School vehicle steering

F49

(5A) Driving a school vehicle

legend (2007 onward).

F1 (10A) Data link connector (DLC), engine management, headlight adjustment, headlight switch, trailer control module F2 (10A) Automatic transmission (AT), DSG transmission, ABS, brake pedal position switch (BPP), 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, heating/air conditioning (AC), parking assist control module, reverse lights (with MT), TCS/ESP master switch, seat occupancy control module, tire pressure monitoring system, windshield washer jet heaters.

F5 (5A) Gas discharge lamp control module (left) F6 (5A) Gas discharge lamp 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 transmission, ABS (some models), parking assist control module F15 (10A) Interior lights F16 (10A) Rain sensor/ambient light, auxiliary heater remote control receiver, data link connector (DLC), heater/air conditioning (AC) F17 (5A) Alarm system F18 – F19 – F20 – F21 – F22 (40A) Heating/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 installed), fuel system primer relay (if installed) F28 (30A) Electric window motor, rear left, electric window motor, Rear right F29 – F30 (20A) Automatic transmission (AT) F31 (20A) Servo vacuum master cylinder (if installed) F32 (30A) Headlight washers F33 (20A) Sunroof F34 (20A) Heated seats F35 – F36 (10A) Electric seats F37 (20A) Air conditioning (AC), heated seats F38 (30A) Electric motor for windows, passenger F39 – F40 (40A) Heating/air conditioning (AC) F41 (15A) Rear screen wiping system F42 (15A) Windshield washer/rear window 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) School vehicle driver F49 (5A) Emergency vehicles, School vehicle driver

Fuse box under the instrument panel (left side).

1 Headlight washer pump relay 2a – 2b Fuel booster pump relay – Diesel 3a – 3b – 4a – 4b – 5a – 5b – F1 – F2 (30A) Electric windows F3 – F4 – Fuse box diagram (late 2005 type. and 2006). 1 Headlight washer pump relay 2a ^07/05: Fuel system primer relay (gasoline, BSE/BSF/BMJ/BUB) 2b ^07/05: Fuel pump relay (gasoline, BSE/BSF) 3 ^07/05: Starter motor relay 4 08/05^: Starter motor relay 5a 08/05^: Fuel system primer relay (gasoline, BSE/BSF/BMJ/BUB) 5b 08/05^: Fuel pump relay (gasoline, BSE/BSF) F1 – F2 – F3 (30A) Electrical seats F4 – Fuse box diagram (early 2005 type).

1 Headlight washer pump relay 2a – 2b Fuel pump relay (FP) (AZV/BKC/BKD) 3a – 3b – 4 Driving school vehicle 5 Driving school vehicle F1 (30A) Power windows, rear (5 doors) F2 (30A) Power windows, front F3 – F4 – Fuse box diagram (2007 and later).

1 Headlight washer pump relay 2 Engine coolant heater relay1 (diesel with auxiliary heater) 3 Engine coolant heater relay2 (diesel with auxiliary heater) 4 Starting engine relay 5a Fuel pump relay (FP) (Diesel) 5b Fuel pump relay (FP) (Gasoline, BSE/BSF) F1 – F2 – F3 (30A) Electric seats F4 -.

Relay box under the instrument panel (left side).

1 Multifunction control module relay 2 2 Seat heating relay 3 4 Multifunction control module relay 1 5 Heated rear window relay 6 Horn relay 7 Windshield washer/rear window washer pump relay 2 8 Windshield washer/rear window washer pump relay 1 9 Ignition auxiliary circuit relay