Fuses and relay Audi A4 (B5)




For Audi A4 (B5), Audi S4 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 model year.

Fuse box in engine compartment.

fuse box location.

type 1.

fuse box diagram.

legend.

1

Engine coolant heater relay 2, high output (Diesel)-if fitted

2

Engine coolant heater relay 1, low output (Diesel)-if fitted

3

Engine control (EC) relay

F1

F2

(15A) Engine management  (1998^)

F3

(15A) Engine management  (^1997)

F4

(50A) Engine coolant heater2 (1,9TDI) – if fitted

F5

(25A) Engine coolant heater  (1,9 TDI)-if fitted

F6

(80A) Glow plugs(1,9TDI)

 

 

fuse box location.

type 2.



fuse box diagram.




1

Oxygen sensor system relay (2,6 ABC)

2

Engine coolant heating element relay II

3

Diesel injection system relay

F1

F2

F3

(20A) Injection system

F4

(50A) Engine coolant heating element

F5

(25A)  Engine coolant heating element

F6

(15A) Glow plugs system

 

Fuse box in passenger compartment Audi A4 (B5).

fuse box location.

The unit is located under a cover at the end of the dashboard on the left-hand side. To open cover insert a screwdriver in the slot below the cover and pry it off. The crank handle for manual operation of the electric sun roof is clipped on the inside of the fuse box cover. Two spare fuses are provided in the row of fuses on the right.

fuse box layout.

legend.

type 1.

F1

(5A) Heated washer jets

F2

(5A) Indicators, hazard lamps

F3

(5A)Glove box lamp, instrument panel illumination, head lamp washer relay

F4

(5A) Licence  plate lamp

F5

(5A) Switch illumination, instrument panel illumination

F6

(5A) Central locking control module

F7

(10A) ABS control module

F8

(5A)Telephone

F9

F10

F11

(5A) Cruise control

F12

(10A) Diagnostic socket

F13

(10A) Stop lamps

F14

(10A) Interior lamps, vanity mirror  lamps

F15

(10A) Instrument panel, control modules

F16

(5A) ABS control unit

F17

(10A) Door lock heating

F18

(10A) Headlamp high beam-right

F19

(10A) Headlamp high beam-left

F20

(10A) Headlamp low beam- right, head lamp beam adjustment

F21

(10A) Headlamp low beam- left, head lamp beam adjustment

F22

(5A) Side lamps – right, tail lamps-right

F23

(5A) Side lamps -left, tail lamps-left

F24

(25A) Windscreen wipers, wind screen washers

F25

(30A) Heater blower motor, air conditioning components

F26

(30A) Heated rear window, heated mirrors

F27

(15A) Rear screen wiper

F28

(15A) Fuel pump

F29

(20A) EVAP valve, oxygen sensor heating, in take manifold valve

F30

(20A) Sunroof

F31

(15A) Reverse lamps, control modules

F32

(20A) Ignition coils, mass airflow sensor, ECM

F33

(15A) Cigarette lighter

F34

(15A) Injectors

F35

(30A) Trailer socket

F36

(15A) Fog lamps, rear fog lamps

F37

(20A)Telephone transmitter/receiver module, audio unit

F38

(15A) Load area lamp, central locking system

F39

(15A) Hazard lamps

F40

(25A) Horn

F41

(25A) ABS solenoid valves relay

F42

(30A) Auxiliary heater

F43

F44

(30A) Seat heating

 

legend.

type 2.

F1

(5A) Heated windscreen washer jets

F2

(10A)Indicators

F3

(5A) Headlamp washers, glove box lamp, engine bay lamp, air conditioning (AC), automatic transmission (AT), instrument panel

F4

(5A) Licence plate lamps

F5

(10A) Instrument panel, heated seats, electric door mirrors, selector lever display, SRS warning lamp, outside air temperature gauge, bulb failure warning module, navigation system, parking aid, air conditioning (AC), catalytic converter, rear window blind, telephone/telematics

F6

(5A) Central locking

F7

(10A) Anti-lock brake system (ABS), BPP switch, CPP switch

F8

(5ATelephone/telematics

F9

(10A) Heated door mirrors, heated door locks, selector lever display, outside air temperature gauge

F10

(5A) Automatic head lamp adjustment

F11

(5A) Cruise control (with AT)

F12

(10A) Data link connector (DLC)

F13

(10A) Stop lamps

F14

(10A) Interior lamps, reading lamps, alarm system, vanity mirror lamp, electric seat memory

F15

(10A) Instrument panel, electric windows, automatic transmission (AT), air conditioning (AC), navigation system

F16

(5A) Anti-lock brake system (ABS), electronic stability programme(ESP)

F17

(10A) Heated door locks, navigation system, self-leveling suspension, two-way radio

F18

(10A) RH head lamp- high beam

F19

(10A) LH head lamp-high beam

F20

(10A/15A) RH headlamp-low beam, head lamp adjustment

F21

(10A/15A) LH headlamp-low beam, head lamp adjustment

F22

(5A) RH side/tail lamps

F23

(5A) LH side/tail lamps

F24

(25A) Windscreen wash/wipe system,wind screen wash/wipe intermittent relay

F25

(30A) AC/heater blower motor, air conditioning (AC)

F26

(30A) Heated rear window, heated door mirrors,AC/heater recirculation

F27

(15A) Rear screen wiper motor,heatedsteering wheel, steering wheel switches

F28

(15A/20A) Fuel pump/fuel lift pump

F29

(20A) Engine management

F30

(20A) Sunroof

F31

(15A) Reversing lamps, cruise control, automatic transmission (AT), data link connector (DLC), anti-dazzle interior mirror, EGR solenoid

F32

(20A) Engine management

F33

(15A) Cigarette lighter

F34

(15A) Engine management

F35

(30A) Trailer socket

F36

(15A) Front fog lamps, rear fog lamps

F37

(20A) Telephone, audio system

F38

(15A) Boot lid/tail gate lamp, central locking

F39

(15A) Hazard warning lamps

F40

(25A) Horn

F41

(25A) Anti-lock brake system (ABS)

F42

(25A) Electronic stability programme (ESP)

F43

EGR solenoid, engine coolant temperature (ECT) sensor (1999^)

F44

(30A) Heated seats

 


Relay Audi A4 B5.

type 1.

1

Ignition auxiliary circuits relay

2

Horn relay

3

Headlamp washer pump relay

4

Transmission system relay I – AT

5

Windscreen wash/wipe intermittent relay

6

Fuel pump relay

7

8

Day-time running lamps relay

9

Headlamp high beam relay

10

Fog lamps relay

11

Door mirror control module

13

Transmission system relay II – AT

14

Rear screen wash/wipe relay

15

16

Air conditioning compressor clutch relay

17

Bulb failure warning module

19

F1

F2

(20A) Alarm system

F3

(10A) Taximeter

F4

(50A) ABS

F5

(50A) ABS

 
 
type 2 (pre 1997)
 

1

Ignition auxiliary circuits relay

2

Horn relay- dual tone

3

Headlamp washer pump relay

4

Bridge, with MT

5

Windscreen wash/wipe intermittent relay

6

Fuel pump relay, glow plug relay

7

Taxi alarm system control module

8

Taxi alarm system control module

9

Driving lamps relay

10

Front fog lamps relay

11

Door mirror control module, with fold-in mirrors

12

Door mirror control module, with fold-in mirrors

13

Starter motor inhibitor switch relay/reversing lamp/s relay, with AT/4speed

14

Rear screen washer pump relay

16

AC compressor clutch relay

17

Bulb failure warning module

18

Bulb failure warning module

19

 

F1

 

F2

(20A) Alarm system (taxi)

F3

(10A)Taximeter

F4

(5A) Two-way radio (taxi)

F5

(20A) Alarm system (taxi)

 
 

type 3 (since 1998)

1

Horn relay- dual tone

2

Ignition auxiliary circuits relay

3

 

4

Fuel pump relay, glow plug relay

5

Windscreen wash/wipe intermittent relay

6

Windscreen wash/wipe intermittent relay

7

Front fog lamps relay(1998)

8

Taxi alarm system control module 1, daytime running lamps relay

9

Taxi alarm system control module 1, driving lamps relay

10

Alternator cut-in relay (AFB) -1998

11

Door mirror control module, with fold-in mirrors

12

Door mirror control module, with fold-in mirrors

13

Starter motor inhibitor switch relay/reversing lamp/s relay, with AT/4speed

16

Steering wheel multifunction control module

17

Bulb failure warning module

18

Bulb failure warning module

19

Taxi alarm system control module 2

F1

 

F2

(20A) Alarm system (taxi)

F3

(10A)Taximeter

F4

(5A) Two-way radio (taxi)

F5

(20A) Alarm system (taxi)

F6

 

F7

 

F8

(15A) Vacuum pump motor(AML/AMM/AMX/AVV)

 

Relay box №2 Audi A4.

type 1.

1

Engine coolant blower timer relay

2

Air conditioning condenser blower motor relay I

3

Air conditioning condenser blower motor relay II

4

Electric window circuit relay

5

 

6

 

7

Telephone relay

8

 

9

 

10

Fog lamps relay

11

 

12

 

13

 

F1

 

F2

(30A) Seat adjustment

F3

 

F4

(50A) ABS pump

F5

(40A) Air conditioning condenser blower motor I

F6

(30A) Engine coolant blower motor fuse

F7

(5A) Air conditioning condenser blower motor II

F8

(30A) Electric windows

F9

(30A) Electric windows

F10

(15A) Central locking

 
 
type 2.
 

1

Engine coolant blower motor run-on relay (if fitted)

2

Engine coolant blower motor relay – 2nd speed (if fitted)

3

Engine coolant blower motor relay- 1st speed

4

ABS relay (with ESP)

5

Door open warning lamps control module(1998^)

6

7

Audio unit/telephone speaker change-over relay(^1997)

8

F1

F2

(30A) Electric seat fuse, passenger's side

F3

(30A) Electric seat fuse, driver's side

F4

F5

(10A) Auxiliary power socket

F6

(30A) Electric windows circuit breaker-front

F7

(30A) Electric windows circuit breaker-rear

F8

(5A) Engine coolant blower motor relay 1/2

F9

(40A) Engine coolant blower motor, 2speed

F10

(50A/60A) Anti-lock brake system (ABS)

F11

(30A) Engine coolant blower motor (single speed)