Fuses and relay Audi A4 (B8)




For Audi A4 (B8), Audi S4 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 model year.

Fuse box in engine compartment.

fuse box location.

fuse box diagram.

type 1.

legend.

1

Diesel: Glow plug control module

2

Starter motor relay

3

Secondary air injection (AIR) pump relay

4

Diesel: Engine control (EC)relay

5

 

6

 

7

 

8

 

9

 

F1

(15A) Transmission control module (TCM)

F2

(5A) Engine oil level/temperature sensor

F3

(5A) Engine control module(ECM)

F4

(5A) Engine control module(ECM)

F5

(10A/15A/20A) Engine management system

F6

(15A) Engine control module (ECM)

F7

(10A/15A) Engine management system

F8

(5A/10A/20A) Engine management system

F9

(5A/15A/20A) Engine management system

F10

(10A/15A) Engine management system

F11

(5A) Engine coolant blower motor control module

F12

(5A)

F13

(50A) Petrol: Secondary air injection (AIR) system

F14

(5A) Nitrogenoxide (NOx) sensor control module

 
 
type 2.
 


1

 

2

 

3

 

4

 

5

 

6

 

F1

(15A) Transmission control

F2

(5A) Engine management

F3

(5A) Engine control module(ECM)

F4

(5A) Engine control module(ECM)

F5

(5A/10A) Engine management

F6

(15A) Engine management

F7

(10A)

F8

(5A/10A/15A)

F9

(5A)

F10

(10A/15A) Engine management

F11

(5A) Engine coolant blower motor

F12

(5A) Transmission control

F13

F14

(5A/20A/30A)

F15

(5A) Power steering

F16

(15A)

F17

(15A) Engine management

F18

(50A/60A/80A)

F19

(50A) Secondary air injection (AIR)pump

 
 




F1

(40A/60A) Engine coolant blower motor

F2

(40A) Engine coolant blower motor

F3

(110A) Power steering

 
 

Fuse box in passenger compartment Audi A4 (B8).

fuse box location.

The various electrical circuits are protected by fuses. The fuse boxes are located behind covers on the left and right sides of the dash panel and in the compartment on the right side of the boot. A plastic clip for removing the fuses is provided in the fuse cover on the left side of the dash panel. There is also a sticker listing the fuses in each of the fuse boxes in the dash panel.

Fuse box on the left side of the dash panel.

fuse box layout.

type 1.

F1

(5A) Active steering control module

F2

(5A)ABS/ESP system

F3

(5A)

F4

(10A) Lane departure warning system

F5

(5A) Audio unit amplifier

F6

(5A)

F7

(5A) LH headlamp

F8

(5A)

F9

(5A) Cruise control

F10

(5A)

F11

(5A) Lane change assist control module

F12

(5A)

F13

(5A) Supplementary restraint system(SRS)

F14

(15A) Rear screen wiper

F15

(10A)

F16

(40A)

F17

F18

(5A) Stop lamps

F19

(25A) Fuel pump(FP)

F20

(5A)

F21

(15A/30A)

F22

(5A)ABS/ESP system

F23

(15A) Horns

F24

(30A) Door function control module, left front

F25

(30A) Wind screen wipers

F26

(25A)ABS/ESP system

F27

(30A) Door function control module, left rear

F28

(5A) Rain/ambient light sensor

F29

F30

F31

(10A) Electric seats

F32

(35A) Active steering control module

F33

 

F34

(35A)

F35

(20A)

F36

(30A)

F37

(20A)Sunroof

F38

(30A)

F39

(20A)Sunroof blind

F40

(5A) Alarm system

 

 

 Fuse box layout.

type 2.

F1

(5A) Power steering control module

F2

F3

(5A) Garage door opener control module

F4

(10A) Lane departure warning system control module

F5

(5A) Heater in take air purity sensor

F6

(5A) RH headlamp

F7

(5A) LH headlamp

F8

(5A)

F9

(5A) Cruise control distance range control module

F10

(5A)

F11

(5A) Heated wind screen washer jets

F12

(5A) AC system

F13

(5A)Telephone connector

F14

(5A)

F15

(25A) ABS control module

F16

(40A) Starter motor

F17

(5A) Anti-dazzle interior mirror

F18

(5A) Clutch pedal position (CPP)sensor

F19

(20A/25A) Fuel pump control module

F20

(10A) Engine coolant pump motor

F21

(15A/30A)

F22

(10A) ABS control module

F23

(25A) Horn

F24

(30A) Door function control modules

F25

(30A) Windscreen wiper motor

F26

(25A) ABS control module

F27

(15A) Door function control modules

F28

(5A)

F29

F30

F31

(10A) Electric seats

F32

(35A) Power steering control module

F33

F34

(35A)

F35

(20A)

F36

(30A)

F37

(20A) Sunroof control module

F38

(30A)

F39

(20A) Sunblind

F40

(5A) Alarm system

 

 Fuse box layout.

type 3.

F1

(5A) Power steering control module

F2

(5A) Clutch pedal position (CPP) sensor

F3

(5A) Garage door opener control module

F4

(10A) Lane departure warning system control module

F5

(5A) Heater in take air purity sensor

F6

(5A) RH headlamp

F7

(5A) LH headlamp

F8

(5A)

F9

(5A) Anti-dazzle interior mirror

F10

(5A) Transmission shift control module

F11

(5A) Heated wind screen washer jets

F12

(5A) AC system

F13

(5A) Engine coolant pump motor

F14

(5A) Clutch pedal position (CPP)sensor

F15

(20A/25A) Fuel pump control module

F16

(5A) Engine coolant pump motor

F17

(30A)

F18

(10A) ABS control module

F19

(25A) Horn

F20

(30A) Door function control modules

F21

(30A) Windscreen wiper motor

F22

(25A) ABS control module

F23

(15A) Door function control modules

F24

(5A)

F25

F26

F27

(10A) Electric seats

F28

(35A) Power steering control module

F29

(5A) Aerial signal amplifier

F30

(35A)

F31

(20A)

F32

(30A)

F33

(20A) Sunroof control module

F34

(30A)

F35

(20A) Sunblind

F36

(5A) Alarm system

 


Fuse box on the right side of the dash panel Audi A4 (B8).

fuse box diagram.

F1

F2

F3

F4

F5

(5A) Steering column function control module

F6

(5A) Electronic stability program (ESP) master switch

F7

(5A) Data link connector(DLC)

F8

(5A) CAN data bus gateway control module

F9

(5A) Engine coolant heater

F10

F11

F12

F13

(5A) Audio system

F14

(5A) Multifunction switch

F15

(5A/20A)

F16

(5A) Instrumentation control module

F17

(5A) CAN data bus gateway control module

F18

(5A) Keyless entry and start system

F19

(5A) Headlamp switch

F20

(40A) AC/heater blower control module

F21

(5A) Steering column lock control module

F22

(10A) AC control module

F23

(10A) Data link connector (DLC)

F24

(5A) Steering column function control module

 


Fuse box Under the dash panel from the driver's side.
 
 
fuse box type 1.

1

 

2

 

3

 

4

Special vehicle equipment

F1

(40A) ABS/ESP system

 

 fuse box type 2.

1

 

2

 

3

 

F1

 

F2

 

F3

(40A) Auxiliary heater

F4

(60A) Auxiliary heater

 
fuse box type 3.

1

 

2

 

3

Ignition main circuits relay

4

 

F1

(30A) Trailer socket

 
 

Fuse box in luggage compartment Audi A4 (B8).

fuse box location

fuse box diagram type 1.

1

 

2

 

3

 

4

 

5

 

F1

Special vehicle equipment

F2

Special vehicle equipment

F3

Special vehicle equipment

F4

(10A) Special vehicle equipment

F5

Special vehicle equipment

F6

Special vehicle equipment

F7

Special vehicle equipment

F8

Special vehicle equipment

F9

Special vehicle equipment

F10

Special vehicle equipment

F11

Special vehicle equipment

F12

Special vehicle equipment

F13

(30A) Boot lid/tail gate release

F14

(15A) Trailer control module

F15

(20A) Trailer control module

F16

(20A) Trailer control module

F17

(5A) Parking brake

F18

(15A) Suspension system

F19

(30A) Parking brake control module

F20

(30A)

F21

(35A) Four-wheel drive system

F22

(30A)

F23

(20A)

F24

(5A)

F25

(30A) Boot lid/tailgate release

F26

(20A) Auxiliary power sockets

F27

(40A)Stop-start system

F28

(30A)

F29

(25A) Auxiliary power socket

F30

(30A) Auxiliary heater

F31

(30A) Parking brake control module

F32

(30A) Heated rear seats

F33

(30A) Door function control module, right front

F34

(5A) Auxiliary heater remote control receiver

F35

(30A) Door function control module, right rear

F36

(5A) Telephone

F37

F38

F39

F40

F41

F42

F43

F44

F45

F46

F47

F48

F49

(15A) Front seat ventilation

F50

(5A) Anti-dazzle interior mirror

F51

(30A)

F52

(7,5A) Entertainment system

F53

(5A)

F54

(5A) Rearview camera

F55

(30A) Heated rear window

F56

(5A) Entertainment system

F57

F58

F59

(30A) Engine management

F60

(10A) Engine management

F61

(40A) Heated rear window

F62

F63

 

type 2. (pre 2009)

1

Saloon: Notused

2

 

3

Saloon: Heated rear window relay

4

 

5

Auxiliary power socket relay

F1

(30A)

F2

 

F3

(30A)

F4

(5A)

F5

 

F6

 

F7

 

F8

 

F9

 

F10

 

F11

 

F12

 

F13

(5A) Tyre pressure monitor control module

F14

(15A) Trailer control module

F15

(20A) Trailer control module

F16

(20A) Trailer control module

F17

(5A) Electric parking brake (EPB)control module

F18

(15A) Suspension control module

F19

(30A) Electric parking brake (EPB)control module

F20

(30A)

F21

(35A) Four-wheel drive control module

F22

(30A)

F23

(20A)

F24

 

F25

(15A/30A) Auxiliary power socket

F26

(15A) Seat heater control module

F27

(7,5A)

F28

(30A) Audio system

F29

(5A) Multifunction display control module

F30

(30A) Auxiliary heater control module

F31

(30A) Electric parking brake (EPB)control module

F32

(30A) Heated seats

F33

(30A) Door function control modules

F34

(5A) Auxiliary heater remote control receiver

F35

(15A) Door function control modules

F36

(5A) Rearview camera control module

F37

(15A) Auxiliary power socket

F38

(15A) Auxiliary power socket

F39

(15A) Auxiliary power socket

F40

(15A) Cigarette lighter

F41

(5A) Self-parking system control module

F42

F43

(5A) Cruise control distance range control module

F44

(15A) Rear screen wiper motor

F45

(5A) Electric parking brake (EPB)control module

F46

(5A)

F47

(5A) Heated seats

F48

(5A)

F49

F50

F51

(10A/15A/25A)

F52

(10A/15A) Special vehicle equipment

F53

(5A/15A) Special vehicle equipment

F54

(10A) Special vehicle equipment

F55

(5A/20A) Special vehicle equipment

F56

(10A) Special vehicle equipment

F57

(10A) Auxiliary power socket

F58

(10A) Special vehicle equipment

F59

(10A) Special vehicle equipment

F60

F61

(40A) Heated rear window

 

 

 

 

type 3 (since 2010).

1

Saloon: Not used

2

 

3

Saloon: Heated rear window relay

4

 

5

Auxiliary power socket relay

F1

 

F2

 

F3

(15A/25A) Special vehicle equipment

F4

(15A) Special vehicle equipment

F5

(5A/15A) Special vehicle equipment

F6

(3A)  Special vehicle equipment

F7

(20A)

F8

(10A)  Special vehicle equipment

F9

(10A) Auxiliary power socket

F10

(10A)  Special vehicle equipment

F11

(10A)  Special vehicle equipment

F12

 

F13

(30A)

F14

(15A) Trailer control module

F15

(20A) Trailer control module

F16

(20A) Trailer control module

F17

(5A) Electric parking brake (EPB)control module

F18

(15A) Suspension control module

F19

(30A) Electric parking brake (EPB)control module

F20

(30A)

F21

(35A) Four wheel drive control module

F22

(30A)

F23

(20A)

F24

 

F25

(30A)

F26

(15A) Seat heater control module

F27

(40A) Audio system

F28

(40A) Voltage stabilizer

F29

(30A) Auxiliary power socket

F30

(30A) Auxiliary heater control module

F31

(30A) Electric parking brake (EPB)control module

F32

(30A)Heated seats

F33

(30A) Doorfunctioncontrolmodules

F34

(5A) Auxiliary heater remote control receiver

F35

(15A) Door function control modules

F36

(30A) Special vehicle equipment

F37

(15A) Auxiliary power socket

F38

(15A) Auxiliary power socket

F39

(15A) Auxiliary power socket

F40

(15A) Cigarette lighter

F41

F42

(5A)

F43

(7,5A) Self-parking system control module

F44

(15A) Rear screen wiper motor

F45

(5A) Electric parking brake (EPB) control module

F46

(5A)

F47

(5A) Heated seats

F48

(5A)

F49

F50

F51

(20A/30A) Audio system

F52

(7,5A) Audio system

F53

(5A/7,5A) Audio system

F54

(5A) Rearview camera control module

F55

(5A) Aerial signal amplifier

F56

F57

F58

F59

F60

F61

(40A) Heated rear window