AUDI A4 2006 — Diagnostic connector . Wiring diagrams, Pin Connector, Location — Электросхемы для автомобилей

Wiring Diagram AUDI A4 2006 - Diagnostic connector

D	Ignition/starter switch
J285	Control unit with display in dash panel insert
S12	Fuse in fuse box/relay plate
S231	Fuse in fuse box
T16	16-pin connector, black, diagnostic connector
T32a	32-pin connector, green, on dash panel insert
135	Earth connection -2-, in dash panel wiring harness
501	Screw connection -2- (30), on relay plate
A2	Positive (+) connection (15), in dash panel wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A57	Positive (+) connection -3- (30), in dash panel wiring harness
A70	Connection (15a, fuse 231), in dash panel wiring harness
A76	Connection (diagnosis wire K), in dash panel wiring harness
A159	Connection (L), in dash panel wiring harness

AUDI A4 2006 Control units overview

Control units overview

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1 -	Heated windscreen control unit -J505-

q	Location → page 804/4

2 -	CD changer -R41-

q	Location → page 804/13

3 -	Fresh air blower control unit -J126-

q	Location ⇒ page → 804/7

4 -	Headlight range control, control unit -J431-

q	Location → page 804/7

5 -

Radio -R-

q	not for navigation system

q	Location → page 804/11

5 -	Navigation operating electronics control unit -J402-

q	for navigation system RNS-D only

q	Location → page 804/11

5 -	Control unit with display for radio and navigation system -J503-

q	for navigation system RNS-Low only

q	Location → page 804/13

Audi A4	Fitting Locations	No. 804 / 2

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5 -	Navigation system with CD drive control unit -J401-

q	Location for navigation system NS-Low → page 804/12

q	Location for navigation system RNS-E → page 804/12

6 -	Telephone and telematics control unit, telematics -J526-

q	Location → page 804/14

6 -	Language input control unit -J507-

q	Location → page 804/14

7 -	Steering column electronics control unit -J527-

q	Location → page 804/8

8 -	Front passenger side door control unit -J387-

q	Location → page 804/16

9 -	Display control unit in dash panel insert -J285-

q	Location → page 804/8

10 -	Airbag control unit -J234-

q	Location → page 804/9

11 -	Driver door control unit -J386-

q	Location → page 804/16

Audi A4	Fitting Locations	No. 804 / 3

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12 -	Convenience system central control unit -J393-

q	Location → page 804/15

13 -	Onboard power supply control unit -J519-

q	Location → page 804/9

14 -	Motronic control unit -J220-

14 -	Diesel direct injection system control unit -J248-

14 -	Simos control unit -J361-

q	Location → page 804/4

15 -	Automatic gearbox control unit -J217-

q	not for models with multitronic®

q	Location → page 804/5

16 -	ABS control unit -J104-

q	Location → page 804/6

17 -	Automatic gearbox control unit -J217-

q	for models with multitronic® only

q	Location → page 804/5

18 -	Radiator fan control unit -J293-

q	Location → page 804/6

Audi A4	Fitting Locations	No. 804 / 4

Heated windscreen control unit -J505-

Location:

On right in plenum chamber, next to battery

AUDI A4 2006 Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361-

Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361-

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Location:

On electronics box in plenum chamber

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Audi A4	Fitting Locations	No. 804 / 5

AUDI A4 2006 Automatic gearbox control unit -J217-

Automatic gearbox control unit -J217-

not for models with multitronic®

Location:

AUDI A4 2006 Automatic gearbox control unit -J217-

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In electronics box in plenum chamber

for models with multitronic® only

Location:

In gearbox

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Audi A4	Fitting Locations	No. 804 / 6

AUDI A4 2006 ABS control unit -J104-

ABS control unit -J104-

Location:

In engine compartment, on front left hydraulic unit

AUDI A4 2006 Radiator fan control unit -J293-

Radiator fan control unit -J293-

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Location:

on radiator fan

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Audi A4	Fitting Locations	No. 804 / 7

AUDI A4 2006 Fresh air blower control unit -J126-

Fresh air blower control unit -J126-

Location:

Behind the glove box, in fresh air blower

AUDI A4 2006 Headlight range control, control unit -J431-

Headlight range control, control unit -J431-

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Location:

Behind the glove box

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Audi A4	Fitting Locations	No. 804 / 8

AUDI A4 2006 Steering column electronics control unit -J527-

Steering column electronics control unit -J527-

Location:

On steering column

AUDI A4 2006 Display control unit in dash panel insert -J285-

Display control unit in dash panel insert -J285-

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Location:

In the dash panel behind the display unit

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Audi A4	Fitting Locations	No. 804 / 9

AUDI A4 2006 Airbag control unit -J234-

Airbag control unit -J234-

Location:

On centre tunnel, under handbrake lever

AUDI A4 2006 Onboard power supply control unit -J519-

Onboard power supply control unit -J519-

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Location:

Behind driver's storage compartment

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Audi A4	Fitting Locations	No. 804 / 10

AUDI A4 2006 Trailer detector control unit -J345-

Trailer detector control unit -J345-

Location:

In left luggage compartment, behind side trim

AUDI A4 2006 Parking aid control unit -J446-

Parking aid control unit -J446-

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Location:

In left luggage compartment, behind side trim, on apron

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Audi A4	Fitting Locations	No. 804 / 11

AUDI A4 2006 Navigation operating electronics control unit -J402-

Navigation operating electronics control unit -J402-

for navigation system RNS-D only

Location:

in centre console

AUDI A4 2006 Navigation operating electronics control unit -J402-

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AUDI A4 2006 Radio -R-

Radio -R-

not for navigation system

Location:

in centre console

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Audi A4	Fitting Locations	No. 804 / 12

AUDI A4 2006 Navigation system with CD drive control unit -J401-

Navigation system with CD drive control unit -J401-

For navigation system NS-Low only

Location:

AUDI A4 2006 Navigation system with CD drive control unit -J401-

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in centre console

For navigation system RNS-E only

Location:

in centre console

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Audi A4	Fitting Locations	No. 804 / 13

AUDI A4 2006 Control unit with display for radio and navigation system -J503-

Control unit with display for radio and navigation system -J503-

for navigation system RNS-Low only

Location:

in centre console

AUDI A4 2006 CD changer -R41-

CD changer -R41-

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Location:

In glove compartment

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Audi A4	Fitting Locations	No. 804 / 14

AUDI A4 2006 Telephone and telematics control unit, telematics -J526-

Telephone and telematics control unit, telematics -J526-

For models with telematics only

Location:

in electronics box under front passenger seat

AUDI A4 2006 Telephone and telematics control unit, telematics -J526-

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AUDI A4 2006 Language input control unit -J507-

Language input control unit -J507-

For models with telematics only

Location:

in electronics box under front passenger seat

AUDI A4 2006 Language input control unit -J507-

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Audi A4	Fitting Locations	No. 804 / 15

AUDI A4 2006 Convenience system central control unit -J393-

Convenience system central control unit -J393-

Location:

on sill, front left

AUDI A4 2006 Convenience system central control unit -J393-

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Audi A4	Fitting Locations	No. 804 / 16

AUDI A4 2006 Driver door control unit -J386-

Driver door control unit -J386-

Location:

In window regulator motor integrated

AUDI A4 2006 Front passenger side door control unit -J387-

Front passenger side door control unit -J387-

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Location:

In window regulator motor integrated

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AUDI A4 2006 Overview of fuses

Overview of fuses

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1 -	Main fuse: Strip fuse -S88-

q	Location → page 802/5

2 -	Coupling station of A-pillar

q	Components: -S46-

q	Location → page 802/6

3 -	Relay carrier (3-pin)

q	Components: -S126-, -S328-

q	Location → page 802/7

4 -	Relay carrier (9-pin) with onboard supply control unit

q	Components: -S37-, -S45-, -S87-, -S100-, -S184-, -S280-

q	Location → page 802/8

5 -	Relay carrier (4-pin) with screw connection

q	Components: -S42-, -S51-, -S123-, -S214-

q	Location up to July 2004 → page 802/9

q	Location from August 2004 → page 802/10

Audi A4	Fitting Locations	No. 802 / 2

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6 -	Fuse holder

q	Components: -S1- up to -S22- and -S223- up to -S244-

q	Location up to July 2004 → page 802/25

q	Location from August 2004 → page 802/32

7 -	Fuse holder for special vehicles

q	Components: -S55-, -S57-, -S182-, -S183-, -S184-, -S291-, -S292-, -S293-, S294-, -S295-, -S296-, -S297-, -S298-

q	Location taxi → page 802/38

q	Location police → page 802/39

Audi A4	Fitting Locations	No. 802 / 3

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8 -	Relay carrier (4-pin)

q	Components: -S23-, -S39-, -S73-, -S102-, -S116-, -S130-, -S131-, -S189-, -S282-, -S283-, -S286-, -S344-, -S345-

q	Location for petrol engines, up to July 2004 → page 802/11

q	Location for diesel engines, up to July 2004 → page 802/12

q	Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD → page 802/13

q	Location for engine codes BSG, BPP, BTP, BKN, ASB → page 802/14

q	Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK → page 802/15

q	Location for engine code ALZ → page 802/16

q	Location for engine code ALT → page 802/17

q	Location for engine code BDG → page 802/18

q	Location for engine codes BFB, BBK, BHF → page 802/19

q	Location for engine code AWA → page 802/20

Audi A4	Fitting Locations	No. 802 / 4

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t	Location for engine codes AUK, BKH → page 802/21

t	Location for engine code BNS → page 802/22

t	Location for engine code BBJ, with manual gearbox or multitronic → page 802/23

t	Location for engine code BBJ with AG5 → page 802/24

Audi A4	Fitting Locations	No. 802 / 5

Main fuse

Location:

On the battery

S88 -

Strip fuse

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Audi A4	Fitting Locations	No. 802 / 6

AUDI A4 2006 Position of fuses, coupling station of A-pillar

Position of fuses, coupling station of A-pillar

Location:

bottom right, behind the trim

Fuses:

E -	Seat adjustment fuse -S46-

E -	Seat adjustment fuse -S46- (with lumbar support adjustment)

AUDI A4 2006 Position of fuses, coupling station of A-pillar

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Audi A4	Fitting Locations	No. 802 / 7

AUDI A4 2006 Position of fuses, relay carrier (3-pin)

Position of fuses, relay carrier (3-pin)

Location:

Driver side dash panel

Fuses:

A ¹) -

Auxiliary heater fuse -S62-

B -	Auxiliary heater fuse -S126-

C -	Auxiliary heater fuse 2 -S328-

¹) applicable up to model year 2003

AUDI A4 2006 Position of fuses, relay carrier (3-pin)

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Audi A4	Fitting Locations	No. 802 / 8

AUDI A4 2006 Position of fuses, relay carrier (9-pin) with onboard supply control unit

Position of fuses, relay carrier (9-pin) with onboard supply control unit

Location:

Driver side dash panel, behind the relay carrier (3-pin)

Fuses:

A -	Rear roller blind thermal fuse -S100-

B -	Rear roller blind thermal fuse -S100-

B -	Socket 1 fuse (driving school vehicle) -S184-

D -	Window regulator single fuse 2 -S280-

E -	Driver seat adjustment thermal fuse 2 -S45-

F -	Window regulator single fuse -S37-

G -	Trailer towing attachment thermal fuse -S87-

AUDI A4 2006 Position of fuses, relay carrier (9-pin) with onboard supply control unit

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Audi A4	Fitting Locations	No. 802 / 9

AUDI A4 2006 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004

Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004

Location:

Driver side dash panel

Fuses:

B -	Optional equipment: vermin repellent

E -	Radiator fan run-on fuse -S214-

F -	Special vehicle fuse

G -	Radiator fan single fuse -S42-

H -	ABS control unit fuse 1 -S123-

AUDI A4 2006 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004

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Audi A4	Fitting Locations	No. 802 / 10

AUDI A4 2006 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004

Position of fuses, relay carrier (4-pin) with screw connection, from August 2004

Location:

Driver side dash panel

Fuses:

B -	Optional equipment: vermin repellent

E -	S51 - Fuse (driving school vehicle) ¹) -S51-

F -	Fuse (driving school vehicle) ³) -S51-

-	Radiator fan single fuse ¹)²) -S42-

G -	Radiator fan run-on fuse¹)²) -S214-

-	Radiator fan single fuse ⁴) -S42-

H -	ABS control unit fuse 1 -S123-

¹) for engine codes BBK, BHF, BNS only

²) for engine codes BKN, ASB, BPP, BSG, BTP only

³) not for engine codes BBK, BHF

⁴) not for engine codes BKN, ASB, BPP, BSG, BTP, BBK, BHF

AUDI A4 2006 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004

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Audi A4	Fitting Locations	No. 802 / 11

AUDI A4 2006 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004

Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse -S282-

B -	Secondary air pump fuse -S130-

C -	Automatic gearbox fuse, run-on -S286-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004

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Audi A4	Fitting Locations	No. 802 / 12

AUDI A4 2006 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004

Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine control unit fuse -S102-

-	Engine electronics fuse -S282-

B -	Engine glow plug strip fuse -S39-

C -	Automatic gearbox fuse, run-on -S286-

-	Engine control unit fuse ²) -S102-

D -	Glow plug fuse 2 -S189-

F ¹) -

Glow plug fuse 2 -S189-

¹) applicable from model year 2002

²) for models with engine code BKE only

Note:

The positions D and F are in the electronics box.

AUDI A4 2006 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004

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Audi A4	Fitting Locations	No. 802 / 13

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004

Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse -S282-

B -	Engine glow plug strip fuse -S39-

C -	Engine control unit fuse -S102-

D -	Automatic gearbox fuse, run-on -S286-

E -	Engine electronics fuse 2 -S344-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004

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Audi A4	Fitting Locations	No. 802 / 14

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004

Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse -S282-

B -	Engine glow plug strip fuse -S39-

C -	Engine control unit fuse -S102-

D -	Automatic gearbox fuse, run-on -S286-

E -	Engine electronics fuse 2 -S344-

G -	Engine electronics fuse 3 -S345-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004

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Audi A4	Fitting Locations	No. 802 / 15

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004

Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse -S282-

B -	Engine electronics fuse 3 -S345-

C -	Engine control unit fuse -S102-

D -	Fuse 1 -S131-

E -	Engine electronics fuse 2 -S344-

G -	Automatic gearbox fuse, run-on -S286-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004

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Audi A4	Fitting Locations	No. 802 / 16

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004

Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse 2 -S344-

B -	Secondary air pump fuse -S130-

D -	Engine control unit fuse -S102-

E -	Injector fuse -S116-

G -	Engine electronics fuse -S282-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004

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Audi A4	Fitting Locations	No. 802 / 17

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004

Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse 2 -S344-

B -	Engine electronics fuse -S282-

C -	Automatic gearbox fuse, run-on -S286-

D -	Engine control unit fuse -S102-

E -	Injector fuse -S116-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004

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Audi A4	Fitting Locations	No. 802 / 18

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004

Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse -S282-

B -	Engine glow plug strip fuse -S39-

C -	Automatic gearbox fuse, run-on -S286-

H¹) -

Glow plug fuse 2 -S189-

¹) on the relay carrier underside

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004

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Audi A4	Fitting Locations	No. 802 / 19

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004

Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse 2 -S344-

B -	Secondary air pump fuse -S130-

C -	Automatic gearbox fuse, run-on -S286-

D -	Engine control unit fuse -S102-

E -	Injector fuse -S116-

G -	Engine electronics fuse -S282-

H¹) -

Heater fuse ²) -S23-

¹) on the relay carrier underside

²) for China only

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004

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Audi A4	Fitting Locations	No. 802 / 20

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004

Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse -S282-

B -	Engine electronics fuse 2 -S344-

C -	Automatic gearbox fuse, run-on -S286-

D -	Fuse 1 -S131-

H ¹) -

Engine electronics fuse 3 -S345-

¹) on the relay carrier underside

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004

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Audi A4	Fitting Locations	No. 802 / 21

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004

Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse 2 -S344-

B -	Engine electronics fuse -S282-

C -	Engine control unit fuse -S102-

D -	Fuse 1 -S131-

E -	Lambda probe heating thermal fuse -S73-

G -	Automatic gearbox fuse, run-on -S286-

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004

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Audi A4	Fitting Locations	No. 802 / 22

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004

Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse 2 -S344-

B -	Engine electronics fuse -S282-

C -	Engine control unit fuse -S102-

D -	Fuse 1 -S131-

E -	Lambda probe heating thermal fuse -S73-

? -	Brake vacuum pump fuse -S283-

H ¹) -

Secondary air pump fuse -S130-

¹) on the relay carrier underside

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004

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Audi A4	Fitting Locations	No. 802 / 23

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronicВ®), from August 2004

Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronic®), from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine electronics fuse 2 ¹) -S344-

B -	Secondary air pump fuse ¹) -S130-

C -	Automatic gearbox fuse, run-on ¹) -S286-

D -	Engine control unit fuse¹) -S102-

E -	Injector fuse ¹) -S116-

G -	Engine electronics fuse ¹) -S282-

¹) for models with manual gearbox or with automatic gearbox (multitronic®) only

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronicВ®), from August 2004

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Audi A4	Fitting Locations	No. 802 / 24

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004

Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004

Location:

In electronics box in plenum chamber

Fuses:

A -	Engine control unit fuse ¹) -S102-

B -	Secondary air pump fuse ¹) -S130-

C -	Engine electronics fuse ¹) -S282-

D -	Engine electronics fuse 2 ¹) -S344-

E -	Injector fuse ¹) -S116-

¹) for models with automatic gearbox (AG5) only

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004

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Audi A4	Fitting Locations	No. 802 / 25

AUDI A4 2006 Position of fuses, fuse holder, up to July 2004

Position of fuses, fuse holder, up to July 2004

Location:

Driver side dash panel

Fuse colours

35 A -

green-blue

30 A -

green

25 A -

white

20 A -

yellow

15 A -

blue

10 A -

red

7,5 A -

brown

5 A -

beige

Note:

From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram

AUDI A4 2006 Position of fuses, fuse holder, up to July 2004

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Audi A4	Fitting Locations	No. 802 / 26

Position of fuses, up to July 2004:

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	S1 - Fuse in relay plate fuse holder	10 A	-	J255 - Climatronic control unit	30
2	-	S2 - Fuse in relay plate fuse holder	5 A	-	W9 - Left footwell light W10 - Right footwell light W45 - Rear left footwell light W46 - Rear right footwell light	30
3	-	S3 - Fuse in relay plate fuse holder	5 A	-	Z20 - Left washer jet heater element Z21 - Right washer jet heater element	75x
4	-	S4 - Fuse in relay plate fuse holder	5 A	-	J293 - Radiator fan control unit J671 - Radiator fan control unit 2	87
5	-	S5 - Fuse in relay plate fuse holder	10 A	-	E128 - Heated rear left seat switch with regulator E129 - Heated rear right seat switch with regulator F189 - Tiptronic switch G226 - Oil level and oil temperature sender	15
6	-	S6 - Fuse in relay plate fuse holder	5 A	-	G65 - High-pressure sender G238 - Air quality sensor	15
7	-	S7 - Fuse in relay plate fuse holder	10 A	-	E132 - Traction control system switch F36 - Clutch pedal switch F47 - Brake pedal switch J104 - ABS control unit	15
8	-	S8 - Fuse in relay plate fuse holder	5 A	-	R36 - Telephone transmitter and receiver unit R86 - Aerial amplifier for mobile telephone	30
9	-	S9 - Fuse in relay plate fuse holder	15 A	-	J569 - Brake servo relay	30

Audi A4	Fitting Locations	No. 802 / 27

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
10	-	S10 - Fuse in relay plate fuse holder	5 A	-	E102 - Headlight range control regulator J431 - Headlight range control, control unit J668 - Power output module for right headlight V48 - Left headlight range control motor V49 - Right headlight range control motor	15
11	-	S11 - Fuse in relay plate fuse holder	10 A	-	J234 - Airbag control unit J706 - Seat occupied recognition control unit K145 - Front passenger side airbag deactivated warning lamp	15
12	-	S12 - Fuse in relay plate fuse holder	10 A	-	T16 - 16-pin connector, black, diagnostic connector	30
13	-	S13 - Fuse in relay plate fuse holder	10 A	-	J527 - Steering column electronics control unit	30
14	-	S14 - Fuse in relay plate fuse holder	10 A	-	F - Brake light switch	30
15	-	S15 - Fuse in relay plate fuse holder	10 A	-	J285 - Control unit in dash panel insert	30
16	-	S16 - Fuse in relay plate fuse holder	5 A	-	E284 - Garage door operating unit J530 - Garage door operation control unit	15
17	-	S17 - Fuse in relay plate fuse holder		-	Vacant
18	-	S18 - Fuse in relay plate fuse holder		-	Vacant

Audi A4	Fitting Locations	No. 802 / 28

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
19	-	S19 - Fuse in relay plate fuse holder	15 A	-	E1 - Lighting switch	75x
20	-	S20 - Fuse in relay plate fuse holder	15 A	-	J85 - Alarm system control unit J344 - Right gas discharge light control unit M31 - Right headlight dipped beam bulb V49 - Right headlight range control motor	56
21	-	S21 - Fuse in relay plate fuse holder	15 A	-	J85 - Alarm system control unit J343 - Left gas discharge light control unit J519 - Onboard power supply control unit M29 - Left headlight dipped beam bulb V48 - Left headlight range control motor	56
22	-	S22 - Fuse in relay plate fuse holder	15 A	-	J386 - Driver door control unit J387 - Front passenger side door control unit	30
23	-	S223 - Fuse on fuse holder	15 A	-	J388 - Rear left door control unit J389 - Rear right door control unit	30
24	-	S224 - Fuse on fuse holder	20 A	-	J393 - Convenience system central control unit	30
25	-	S225 - Fuse on fuse holder	30 A	-	J126 - Fresh air blower control unit	30
26	-	S226 - Fuse on fuse holder	30 A	-	E87 - Operating and display unit for air conditioning system/Climatronic	30
27	-	S227 - Fuse on fuse holder	30 A	-	J345 - Trailer detector control unit	30
28	-	S228 - Fuse on fuse holder	20 A	-	G6 - Fuel system pressurisation pump	87

Audi A4	Fitting Locations	No. 802 / 29

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
29	-	S229 - Fuse on fuse holder	20 A	-	N70 - Ignition coil 1 with output stage N127 - Ignition coil 2 with output stage N291 - Ignition coil 3 with output stage N292 - Ignition coil 4 with output stage N323 - Ignition coil 5 with output stage N324 - Ignition coil 6 with output stage N325 - Ignition coil 7 with output stage N326 - Ignition coil 8 with output stage	87
30	-	S230 - Fuse on fuse holder	20 A	-	J245 - Sliding sunroof adjustment control unit	30
31	-	S231 - Fuse on fuse holder	15 A	-	F125 - Multifunction switch F4 - Reversing light switch G70 - Air mass meter G399 - Light detector sensor J217 - Automatic gearbox control unit J226-Starter inhibitor and reversing light relay N110 - Selector lever lock solenoid T16 - 16-pin connector, black, diagnostic connector Y7 - Automatic anti-dazzle interior mirror	15
32	-	S232 - Fuse on fuse holder	20 A	-	J583 - NOx sensor control unit N30 - Injector, cylinder 1 N31 - Injector, cylinder 2 N32 - Injector, cylinder 3 N33 - Injector, cylinder 4 N83 - Injector, cylinder 5 N84 - Injector, cylinder 6	87
33	-	S233 - Fuse on fuse holder	15 A	-	U1 - Cigarette lighter	30

Audi A4	Fitting Locations	No. 802 / 30

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
34	-	S234 - Fuse on fuse holder	20 A	-	G70 - Air mass meter J299 - Secondary air pump relay N80 - Activated charcoal filter system solenoid valve 1 N112 - Secondary air inlet valve N144 - Left electrohydraulic engine mounting solenoid valve N145 - Right electrohydraulic engine mounting solenoid valve N156 - Variable intake manifold change-over valve N220 - Exhaust flap valve N276 - Fuel pressure regulating valve Z19 - Lambda probe heater Z28 - Lambda probe 2 heater Z29 - Lambda probe 1 heater after catalytic converter Z30 - Lambda probe 2 heater after catalytic converter V144 - Fuel system diagnostic pump	87
35	-	S235 - Fuse on fuse holder	30 A	-	U - socket	30
36	-	S236 - Fuse on fuse holder	30 A	-	J519 - Onboard power supply control unit V12 -Rear window wiper motor	75x
37	-	S237 - Fuse on fuse holder	30 A	-	J519 - Onboard power supply control unit V11 - Headlight washer system pump	75x
38	-	S238 - Fuse on fuse holder	15 A	-	G303 - Interior monitor send and receive module 1 H12 - Alarm horn J393 - Convenience system central control unit	30
39	-	S239 - Fuse on fuse holder	20 A	-	J402 - Navigation operating electronics control unit R - Radio R12 - Amplifier T8 - 8-connector, black, radio connector III	30

Audi A4	Fitting Locations	No. 802 / 31

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
40	-	S240 - Fuse on fuse holder	25 A	-	H2 - Treble tone horn H7 - Bass tone horn J4 - Dual tone horn relay	30
41	-	S241 - Fuse on fuse holder	30 A	-	J364 - Auxiliary heater control unit R64 - Remote control receiver for auxiliary heating	30
42	-	S242 - Fuse on fuse holder	25 A	-	J104 - ABS control unit	30
43	-	S243 - Fuse on fuse holder	15 A	-	J220 - Motronic control unit J363 - Current supply relay for Simos control unit J623 - Engine control unit N18 - Exhaust gas recirculation valve	15
44	-	S244 - Fuse on fuse holder	30 A	-	E87 - Operating and display unit for air conditioning system/Climatronic J215 - Heated rear left seat control unit J255 - Climatronic control unit	30

Audi A4	Fitting Locations	No. 802 / 32

AUDI A4 2006 Position of fuses, fuse holder, from August 2004

Position of fuses, fuse holder, from August 2004

Location:

Driver side dash panel

Fuse colours

35 A -

green-blue

30 A -

green

25 A -

white

20 A -

yellow

15 A -

blue

10 A -

red

7,5 A -

brown

5 A -

beige

Note:

From fuse number 23 upwards the fuses in the fuse holder are designated as 223 in the Current Flow Diagram

AUDI A4 2006 Position of fuses, fuse holder, from August 2004

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Audi A4	Fitting Locations	No. 802 / 33

Fuse location from August 2004:

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	S1 - Fuse in relay plate fuse holder	10 A	-	J255 - Climatronic control unit	30
2	-	S2 - Fuse in relay plate fuse holder	5 A	-	W9 - Left footwell light W10 - Right footwell light W45 - Rear left footwell light W46 - Rear right footwell light	30
3	-	S3 - Fuse in relay plate fuse holder	5 A	-	Z20 - Left washer jet heater element Z21 - Right washer jet heater element	75x
4	-	S4 - Fuse in relay plate fuse holder	5 A	-	J293 - Radiator fan control unit J671 - Radiator fan control unit 2	87
5	-	S5 - Fuse in relay plate fuse holder	10 A	-	E149 - Rear roller blind switch E272 - Function selection switch 2 F189 - Tiptronic switch G226 - Oil level and oil temperature sender J262 - Rear roller blind control unit J401 - Navigation system with CD drive control unit J446 - Parking aid control unit	15
6	-	S6 - Fuse in relay plate fuse holder	5 A	-	G65 - High-pressure sender G238 - Air quality sensor	15
7	-	S7 - Fuse in relay plate fuse holder	10 A	-	E132 - Traction control system switch F36 - Clutch pedal switch F47 - Brake pedal switch J104 - ABS control unit	15
8	-	S8 - Fuse in relay plate fuse holder	5 A	-	R36 - Telephone transmitter and receiver unit R86 - Aerial amplifier for mobile telephone	30
9	-	S9 - Fuse in relay plate fuse holder	15 A	-	J569 - Brake servo relay	30

Audi A4	Fitting Locations	No. 802 / 34

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
10	-	S10 - Fuse in relay plate fuse holder	5 A	-	E102 - Headlight range control regulator J431 - Headlight range control, control unit J668 - Power output module for right headlight V48 - Left headlight range control motor V49 - Right headlight range control motor	15
11	-	S11 - Fuse in relay plate fuse holder	10 A	-	J234 - Airbag control unit J706 - Seat occupied recognition control unit K145 - Front passenger side airbag deactivated warning lamp	15
12	-	S12 - Fuse in relay plate fuse holder	10 A	-	T16 - 16-pin connector, black, diagnostic connector	30
13	-	S13 - Fuse in relay plate fuse holder	10 A	-	J527 - Steering column electronics control unit	30
14	-	S14 - Fuse in relay plate fuse holder	10 A	-	F - Brake light switch	30
15	-	S15 - Fuse in relay plate fuse holder	10 A	-	J285 - Control unit in dash panel insert J401 - Navigation system with CD drive control unit	30
16	-	S16 - Fuse in relay plate fuse holder	5 A	-	E284 - Garage door operating unit J530 - Garage door operation control unit	15
17	-	S17 - Fuse in relay plate fuse holder	10 A	-	G397 - Rain and light detector sensor J446 - Parking aid control unit J502 - Tyre pressure monitor control unit	30
18	-	S18 - Fuse in relay plate fuse holder	5 A	-	V318 - Left dynamic cornering light control motor	15

Audi A4	Fitting Locations	No. 802 / 35

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
19	-	S19 - Fuse in relay plate fuse holder	15 A	-	L22 - Left fog light bulb L23 - Right fog light bulb	55
20	-	S20 - Fuse in relay plate fuse holder		-	Vacant
21	-	S21 - Fuse in relay plate fuse holder		-	Vacant
22	-	S22 - Fuse in relay plate fuse holder	15 A	-	J386 - Driver door control unit J387 - Front passenger side door control unit	30
23	-	S223 - Fuse on fuse holder	15 A	-	J388 - Rear left door control unit J389 - Rear right door control unit	30
24	-	S224 - Fuse on fuse holder	20 A	-	J393 - Convenience system central control unit	30
25	-	S225 - Fuse on fuse holder	30 A	-	J126 - Fresh air blower control unit	30
26	-	S226 - Fuse on fuse holder	30 A	-	J9 - Heated rear window relay	30
27	-	S227 - Fuse on fuse holder	30 A	-	J345 - Trailer detector control unit	30
28	-	S228 - Fuse on fuse holder	20 A 30 A	-	G6 - Fuel system pressurisation pump J538 - Fuel pump control unit G6 - Fuel system pressurisation pump ¹) J538 - Fuel pump control unit ¹)	87

Note:

¹) for models with engine code BNS only

Audi A4	Fitting Locations	No. 802 / 36

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
29	-	S229 - Fuse on fuse holder		-	Vacant
30	-	S230 - Fuse on fuse holder	20 A	-	J245 - Sliding sunroof adjustment control unit	30
31	-	S231 - Fuse on fuse holder	15 A	-	F4 - Reversing light switch G70 - Air mass meter G399 - Light detector sensor J217 - Automatic gearbox control unit N110 - Selector lever lock solenoid T16 - 16-pin connector, black, diagnostic connector Y7 - Automatic anti-dazzle interior mirror	15
32	-	S232 - Fuse on fuse holder	15 A	-	U10-Trailer socket ²)	75x
33	-	S233 - Fuse on fuse holder	15 A 20 A	-	U1 - Cigarette lighter U1 - Cigarette lighter ¹)	30
34	-	S234 - Fuse on fuse holder	30 A 20 A	-	U5 - 12 V socket U5 - 12 V socket ¹)	30
35	-	S235 - Fuse on fuse holder	30 A 20 A	-	U - socket U-Socket ¹)	30
36	-	S236 - Fuse on fuse holder	30 A	-	J519 - Onboard power supply control unit V12 -Rear window wiper motor	75x
37	-	S237 - Fuse on fuse holder	30 A	-	J519 - Onboard power supply control unit V11 - Headlight washer system pump	75x

Notes:

t	¹) applicable from February 2005

t	²) applicable from model year 2006

Audi A4	Fitting Locations	No. 802 / 37

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
38	-	S238 - Fuse on fuse holder	15 A	-	G303 - Interior monitor send and receive module 1 H12 - Alarm horn J393 - Convenience system central control unit	30
39	-	S239 - Fuse on fuse holder	20 A	-	J401 - Navigation system with CD drive control unit J503 - Control unit with display for radio and navigation system T8 - 8-connector, black, radio connector III R - Radio R12 - Amplifier R146 - Satellite radio	30
40	-	S240 - Fuse on fuse holder	25 A	-	H2 - Treble tone horn H7 - Bass tone horn J4 - Dual tone horn relay	30
41	-	S241 - Fuse on fuse holder	30 A	-	J364 - Auxiliary heater control unit R64 - Remote control receiver for auxiliary heating	30
42	-	S242 - Fuse on fuse holder	25 A	-	J104 - ABS control unit	30
43	-	S243 - Fuse on fuse holder	15 A	-	G70 - Air mass meter G212 - Exhaust gas recirculation potentiometer J363 - Current supply relay for Simos control unit J623 - Engine control unit J757 - Engine component current supply relay N18 - Exhaust gas recirculation valve	15
44	-	S244 - Fuse on fuse holder	30 A 35 A	-	J255 - Climatronic control unit ¹) J255 - Climatronic control unit ²)	30

Notes:

t	¹) applicable up to model year 2005

t	²) applicable from model year 2006

Audi A4	Fitting Locations	No. 802 / 38

AUDI A4 2006 Position of fuses, fuse holder for special vehicle - taxi

Position of fuses, fuse holder for special vehicle - taxi

Location:

Driver side dash panel

Fuse location taxi

1 -	Taxi meter and alarm system fuse -S183-

2 -	Alarm system fuse -S57-

3 -	Taxi meter fuse -S182-

9 -	Two-way radio fuse -S55-

10 -	Socket 1 fuse -S184-

¹) applicable from model year 2006

AUDI A4 2006 Position of fuses, fuse holder for special vehicle - taxi

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Audi A4	Fitting Locations	No. 802 / 39

AUDI A4 2006 Position of fuses, fuse holder for special vehicle - police

Position of fuses, fuse holder for special vehicle - police

Location:

Driver side dash panel

Fuse location police

1 -	Special vehicle fuse 1 -S291-

2 -	Special vehicle fuse 2 -S292-

3 -	Special vehicle fuse 3 -S293-

4 -	Special vehicle fuse 4 -S294-

5 -	Special vehicle fuse 5 -S295-

6 -	Special vehicle fuse 6 -S296-

7 -	Special vehicle fuse 7 -S297-

8 -	Special vehicle fuse 8 -S298-

¹) applicable from February 2005

²) applicable from model year 2006

AUDI A4 2006 Position of fuses, fuse holder for special vehicle - police

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AUDI A4 2006 — Diagnostic connector . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2006 - Diagnostic connector

AUDI A4 2006 Control units overview

AUDI A4 2006 Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361-

AUDI A4 2006 Automatic gearbox control unit -J217-

AUDI A4 2006 ABS control unit -J104-

AUDI A4 2006 Radiator fan control unit -J293-

AUDI A4 2006 Fresh air blower control unit -J126-

AUDI A4 2006 Headlight range control, control unit -J431-

AUDI A4 2006 Steering column electronics control unit -J527-

AUDI A4 2006 Display control unit in dash panel insert -J285-

AUDI A4 2006 Airbag control unit -J234-

AUDI A4 2006 Onboard power supply control unit -J519-

AUDI A4 2006 Trailer detector control unit -J345-

AUDI A4 2006 Parking aid control unit -J446-

AUDI A4 2006 Navigation operating electronics control unit -J402-

AUDI A4 2006 Radio -R-

AUDI A4 2006 Navigation system with CD drive control unit -J401-

AUDI A4 2006 Control unit with display for radio and navigation system -J503-

AUDI A4 2006 CD changer -R41-

AUDI A4 2006 Telephone and telematics control unit, telematics -J526-

AUDI A4 2006 Language input control unit -J507-

AUDI A4 2006 Convenience system central control unit -J393-

AUDI A4 2006 Driver door control unit -J386-

AUDI A4 2006 Front passenger side door control unit -J387-

AUDI A4 2006 Overview of fuses

AUDI A4 2006 Position of fuses, coupling station of A-pillar

AUDI A4 2006 Position of fuses, relay carrier (3-pin)

AUDI A4 2006 Position of fuses, relay carrier (9-pin) with onboard supply control unit

AUDI A4 2006 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronicВ®), from August 2004

AUDI A4 2006 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004

AUDI A4 2006 Position of fuses, fuse holder, up to July 2004

AUDI A4 2006 Position of fuses, fuse holder, from August 2004

AUDI A4 2006 Position of fuses, fuse holder for special vehicle - taxi

AUDI A4 2006 Position of fuses, fuse holder for special vehicle - police

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