AUTOMOTIVE ELECTRICIANS
WIRING-DIAGRAMS

AUDI A4 2005 – Preparation for radio . Wiring diagrams, Pin Connector, Location

    HomeAUDIAUDI A4AUDI A4 2005AUDI A4 2005 ALL WIRING DIAGRAMS - ENGLISH

Wiring Diagram AUDI A4 2005 - Fuse - internal loudspeaker



Wiring Diagram AUDI A4 2005 - Fuse - internal loudspeaker
J285Control unit with display in dash panel insert
RRadio
R70Internal loudspeaker
S239Fuse in fuse holder
T88-connector, black, radio connector III
T32a32-pin connector, green, on dash panel insert
   346 Earth connection (audio), in dash panel wiring harness
   501 Screw connection 2 (30), on relay plate
   A46 Positive connection (30 - from radio), in dash panel wiring harness
   A57 Positive connection 3 (30), in dash panel wiring harness
   A129 Connection (muting), in dash panel wiring harness
   A175 Connection (58s), in dash panel wiring harness
   V49 Connection (NF +), in communication wiring harness
   V50 Connection (NF -), in communication wiring harness
*for models with telephone / telematics only
**⇒ applicable Current Flow Diagram: telephone / telematics
***⇒ applicable Current Flow Diagram: telephone / telematics, is dropped, from model year 2006

Wiring Diagram AUDI A4 2005 - Front loudspeaker



Wiring Diagram AUDI A4 2005 - Front loudspeakerUnlock Lifetime Access for This Car.
RRadio
R21Front left bass loudspeaker
R23Front right bass loudspeaker
R26Front left mid-range and treble loudspeaker
R27Front right mid-range and treble loudspeaker
T8a8-connector, brown, radio connector II
T2020-pin connector, black, door A-pillar left
T20a20-pin connector, black, door A-pillar right

Wiring Diagram AUDI A4 2005 - Rear loudspeaker - aerial



Wiring Diagram AUDI A4 2005 - Rear loudspeaker - aerialUnlock Lifetime Access for This Car.
J393Convenience system central control unit
RRadio
R1Aerial connection
R11Aerial
R15Rear left bass loudspeaker
R17Rear right bass loudspeaker
R34Rear left mid-range and treble loudspeaker
R35Rear right mid-range and treble loudspeaker
R64Remote control receiver for auxiliary heating
R108Left aerial module
T8a8-connector, brown, radio connector II
T16i16-pin connector, brown, on convenience system central control unit (used to be connector 5)
T20b20-pin connector, black, door B-pillar left
T20c20-pin connector, black, door B-pillar right
*Aerial for saloon models
**Aerial for Avant models
***for models with auxiliary heating only


AUDI A4 2005 Control units overview

Control units overview
   
AUDI A4 2005 Control units overviewUnlock Lifetime Access for This Car.
5 - 
5 - 

   
5 - 
q   Location for navigation system RNS-E
6 - 

   
Diesel direct injection system control unit -J248-
14 - 
17 -  Automatic gearbox control unit -J217-
q   for models with multitronic® only
q   Location

   

AUDI A4 2005 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-  
AUDI A4 2005 Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361-Unlock Lifetime Access for This Car.
Location:
On electronics box in plenum chamber
 
AUDI A4 2005 Motronic control unit -J220-, diesel direct injection system control unit -J248-, Simos control unit -J361-Unlock Lifetime Access for This Car.

AUDI A4 2005 Automatic gearbox control unit -J217-

In electronics box in plenum chamber
for models with multitronic® only

AUDI A4 2005 ABS control unit -J104-

AUDI A4 2005 Radiator fan control unit -J293-

Radiator fan control unit -J293-
 
AUDI A4 2005 Radiator fan control unit -J293-Unlock Lifetime Access for This Car.
Location:
on radiator fan
 
AUDI A4 2005 Radiator fan control unit -J293-Unlock Lifetime Access for This Car.

AUDI A4 2005 Fresh air blower control unit -J126-

AUDI A4 2005 Headlight range control, control unit -J431-

Headlight range control, control unit -J431-  
AUDI A4 2005 Headlight range control, control unit -J431-Unlock Lifetime Access for This Car.
Location:
Behind the glove box
 
AUDI A4 2005 Headlight range control, control unit -J431-Unlock Lifetime Access for This Car.

AUDI A4 2005 Steering column electronics control unit -J527-

AUDI A4 2005 Display control unit in dash panel insert -J285-

Display control unit in dash panel insert -J285-  
AUDI A4 2005 Display control unit in dash panel insert -J285-Unlock Lifetime Access for This Car.
Location:
In the dash panel behind the display unit
 
AUDI A4 2005 Display control unit in dash panel insert -J285-Unlock Lifetime Access for This Car.

AUDI A4 2005 Airbag control unit -J234-

AUDI A4 2005 Onboard power supply control unit -J519-

Onboard power supply control unit -J519-  
AUDI A4 2005 Onboard power supply control unit -J519-Unlock Lifetime Access for This Car.
Location:
Behind driver's storage compartment
 
AUDI A4 2005 Onboard power supply control unit -J519-Unlock Lifetime Access for This Car.

AUDI A4 2005 Trailer detector control unit -J345-

AUDI A4 2005 Parking aid control unit -J446-

Parking aid control unit -J446-  
AUDI A4 2005 Parking aid control unit -J446-Unlock Lifetime Access for This Car.
Location:
In left luggage compartment, behind side trim, on apron
 
AUDI A4 2005 Parking aid control unit -J446-Unlock Lifetime Access for This Car.

AUDI A4 2005 Navigation operating electronics control unit -J402-



AUDI A4 2005 Radio -R-

AUDI A4 2005 Navigation system with CD drive control unit -J401-
in centre console
For navigation system RNS-E only

AUDI A4 2005 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 2005 CD changer -R41-

CD changer -R41-
 
AUDI A4 2005 CD changer -R41-Unlock Lifetime Access for This Car.
Location:
In glove compartment
 
AUDI A4 2005 CD changer -R41-Unlock Lifetime Access for This Car.

AUDI A4 2005 Telephone and telematics control unit, telematics -J526-



AUDI A4 2005 Language input control unit -J507-

AUDI A4 2005 Convenience system central control unit -J393-

Convenience system central control unit -J393-
   
Location:
on sill, front left
 
AUDI A4 2005 Convenience system central control unit -J393-Unlock Lifetime Access for This Car.

AUDI A4 2005 Driver door control unit -J386-

AUDI A4 2005 Front passenger side door control unit -J387-

Location:
In window regulator motor integrated
 
AUDI A4 2005 Front passenger side door control unit -J387-Unlock Lifetime Access for This Car.


AUDI A4 2005 Overview of fuses

Overview of fuses
   
AUDI A4 2005 Overview of fusesUnlock Lifetime Access for This Car.
Relay carrier (3-pin)
q   Components: -S126-, -S328-
q   Location
Relay carrier (9-pin) with onboard supply control unit
q   Components: -S37-, -S45-, -S87-, -S100-, -S184-, -S280-
q   Location
Relay carrier (4-pin) with screw connection
q   Components: -S42-, -S51-, -S123-, -S214-
q   Location up to July 2004
q   Location from August 2004

   
6 -  Fuse holder
q   Components: -S1- up to -S22- and -S223- up to -S244-
q   Location up to July 2004
q   Location from August 2004
7 -  Fuse holder for special vehicles
q   Components: -S55-, -S57-, -S182-, -S183-, -S184-, -S291-, -S292-, -S293-, S294-, -S295-, -S296-, -S297-, -S298-
q   Location taxi
q   Location police

   
q   Location for diesel engines, up to July 2004
q   Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD
q   Location for engine codes BSG, BPP, BTP, BKN, ASB
q   Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK
q   Location for engine code ALZ
q   Location for engine code ALT
q   Location for engine code BDG
q   Location for engine codes BFB, BBK, BHF
q   Location for engine code AWA

   
t  Location for engine codes AUK, BKH
t  Location for engine code BNS
t  Location for engine code BBJ, with manual gearbox or multitronic
t  Location for engine code BBJ with AG5

   

AUDI A4 2005 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 2005 Position of fuses, coupling station of A-pillarUnlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (3-pin)Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (9-pin) with onboard supply control unitUnlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin) with screw connection, up to July 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin) with screw connection, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), petrol engines, up to July 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), diesel engines, up to July 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes BSG, BPP, BTP, BKN, ASB, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine code ALZ, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine code ALT, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine code BDG, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes BFB, BBK, BHF, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine code AWA, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes AUK, BKH, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine code BNS, from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes BBJ (with manual gearbox or multitronicВ®), from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, relay carrier (4-pin), engine codes BBJ (with AG5), from August 2004Unlock Lifetime Access for This Car.

AUDI A4 2005 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 2005 Position of fuses, fuse holder, up to July 2004Unlock Lifetime Access for This Car.

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 / 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 / 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 2005 Position of fuses, fuse holder, from August 2004

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 / 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 / 38


AUDI A4 2005 Position of fuses, fuse holder for special vehicle - taxi

AUDI A4 2005 Position of fuses, fuse holder for special vehicle - police

Position of fuses, fuse holder for special vehicle - police
   

AUDI A4 2005 Overview of earth points in engine compartment

Location:
Driver side dash panel


AUDI A4 2005

Overview of earth points in engine compartment
q   only for 2.0 l FSI motor, location
q   only for 2,5 l engine TDI, location
q   only for 2.0 l FSI motor, location
q   only for 3.0 l engine, location

   
Overview of earth points in vehicle interior
AUDI A4 2005 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.

   

   
Overview of earth points in luggage compartment - saloon models
  Note:
♦ Overview of luggage compartment - Avant models
   
AUDI A4 2005 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.

   
Overview of earth points in luggage compartment - Avant models
AUDI A4 2005 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.
1 -  Earth point, right D-pillar -654-
q   Location
3 -  Earth point, left D-pillar -653-
q   Location
5 -  Earth point, on left in luggage compartment -50-
q   Location

   

AUDI A4 2005 Earth point, in engine compartment

Earth point, in engine compartment
Torque: 20 Nm
   12 Earth point, in engine compartment, left -arrow-
on bulkhead
Torque: 9 Nm
not for 2,0 l engine FSI
not for 2,5 l engine TDI
 
AUDI A4 2005 Earth point, in engine compartmentUnlock Lifetime Access for This Car.
only for 2,0 l engine FSI
   12 Earth point, in engine compartment, left -arrow-
on bulkhead
Torque: 9 Nm
only for 2,5 l engine TDI
 
AUDI A4 2005 Earth point, in engine compartmentUnlock Lifetime Access for This Car.
only for 1.8 l engine
   18 Earth point on engine block -arrow-
Torque: 8 Nm
only for 2.0 l engine
 
AUDI A4 2005 Earth point, in engine compartmentUnlock Lifetime Access for This Car.
only for 2,0 l engine FSI
   18 Earth point on engine block -arrow-
Torque: 8 Nm
only for 3.0 l engine
 
AUDI A4 2005 Earth point, in engine compartmentUnlock Lifetime Access for This Car.
only for 4.2 l engine
   26 Earth point, on front apron -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth point, in engine compartmentUnlock Lifetime Access for This Car.

AUDI A4 2005 Earth points, in interior

Earth points, in interior
Torque: 9 Nm
   33 Earth point behind dash panel on right -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth points, in interiorUnlock Lifetime Access for This Car.
Torque: 9 Nm
   44 Earth point, lower part of left A-pillar -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth points, in interiorUnlock Lifetime Access for This Car.
Torque: 9 Nm
   77 Earth point, lower part of left B-pillar -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth points, in interiorUnlock Lifetime Access for This Car.
Torque: 9 Nm
   610 Earth point (audio), under centre console, front -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth points, in interiorUnlock Lifetime Access for This Car.

AUDI A4 2005 Earth point, in luggage compartment - saloon models

Earth point, in luggage compartment - saloon models
   50 Earth point, on left in luggage compartment -arrow-
 
AUDI A4 2005 Earth point, in luggage compartment - saloon modelsUnlock Lifetime Access for This Car.
Torque: 9 Nm
   653 Earth point, left D-pillar -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth point, in luggage compartment - saloon modelsUnlock Lifetime Access for This Car.
Torque: 9 Nm
   701 Earth point, in luggage compartment -arrow-
Torque: 20 Nm
 
AUDI A4 2005 Earth point, in luggage compartment - saloon modelsUnlock Lifetime Access for This Car.
Earth point, in luggage compartment - Avant models
   50 Earth point, on left in luggage compartment -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth point, in luggage compartment - saloon modelsUnlock Lifetime Access for This Car.
Torque: 9 Nm
   53 Earth point, on right in rear lid -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth point, in luggage compartment - saloon modelsUnlock Lifetime Access for This Car.
Torque: 9 Nm
   654 Earth point, right D-pillar -arrow-
Torque: 9 Nm
 
AUDI A4 2005 Earth point, in luggage compartment - saloon modelsUnlock Lifetime Access for This Car.
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