AUDI A8 2003 – Convenience systems . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - electric window thermo-fuse - card system for Italy (telepass)

J386	Door control unit, driver's side
R11	Aerial
S43	Electric window thermo-fuse
S133	Fuse 3, 150 A, in luggage compartment, rear right
SB23	Fuse -23- on fuse box
SB38	Fuse -38- on fuse box
SB39	Fuse -39- on fuse box
SB41	Fuse -41- on fuse box
T1m	Single connector, for telepass aerial, in driver's door
T2u	2-pin connector, for telepass supply, in driver's door
T20a	20-pin connector, black, A pillar, left
369	Earth connection -4-, in main wiring harness
B298	Positive (+) connection -2- (30), in main wiring harness
B302	Positive (+) connection -6- (30), in main wiring harness
B303	Positive (+) connection -7- (30), in main wiring harness
*	Only models for Italy
**	In exterior mirror, driver's side

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - exterior door handle touch sensor - driver's side - driver's side aerial for entry and start authorisation - entry and start authorisation control unit

G415	Exterior door handle touch sensor, driver's side
J136	Seat adjustment with memory control unit
J386	Door control unit, driver's side
J518	Entry and start authorisation control unit
R134	Driver's side aerial for entry and start authorisation
T17s	17-pin connector, brown, under driver's seat
T20a	20-pin connector, black, A pillar, left
T46a	46-pin connector, black, CAN separating connector, left
267	Earth connection -2-, in door wiring harness - driver's side
B371	Connection -1- (aerial), in main wiring harness
B372	Connection -2- (aerial), in main wiring harness
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - exterior door handle central locking button - driver's side - front left exterior door handle illumination - central locking lock unit - driver's side

E369	Exterior door handle central locking button, driver's side
F2	Door contact switch, driver's side
F131	Central locking actuator, front left
F220	Central locking lock unit, driver's side
F241	Contact switch in lock cylinder, driver's side
F243	Central locking actuator (Safe), driver's door
J386	Door control unit, driver's side
L162	Front left exterior door handle illumination
V56	Central locking motor, driver's door
V161	Central locking motor (Safe), driver's door
267	Earth connection -2-, in door wiring harness - driver's side

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - electric window switches - electric window motor - driver's side

E40	Front left electric window switch
E53	Rear left electric window switch, driver's door
E55	Rear right electric window switch, driver's door
E81	Front right electric window switch, driver's door
J386	Door control unit, driver's side
T17r	17-pin connector, in driver's door
V147	Electric window motor, driver's side

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - mirror adjustment switch - mirror adjustment change-over switch - mirror with folding function - adjustment switch - interior monitor switch - alarm system off switch - interior monitor sender/receiver module 1

E43	Mirror adjustment switch
E48	Mirror adjustment change-over switch
E168	Mirror with folding function, adjustment switch
E183	Interior monitor switch
E217	Alarm system off switch
G303	Interior monitor sender/receiver module 1
J386	Door control unit, driver's side
J528	Roof electronics control unit
T8f	8-pin connector, black, near interior light, front
T17r	17-pin connector, in driver's door
T46b	46-pin connector, black, CAN separating connector, right
304	Earth connection -3-, in door wiring harness - driver's side
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - mirror adjustment motors - heated exterior mirror - driver's side - automatic anti-dazzle exterior mirror - driver's side - entry light in exterior mirror

J386	Door control unit, driver's side
V17	Mirror adjustment motor, driver's side
V121	Folding mirror motor, driver's side
V149	Mirror adjustment motor, driver's side
Y20	Automatic anti-dazzle exterior mirror, driver's side
W52	Entry light in exterior mirror, driver's side
Z4	Heated exterior mirror, driver's side
304	Earth connection -3-, in door wiring harness - driver's side
*	Mirror with retraction function
**	With automatic anti-dazzle exterior mirror
***	With entry light in exterior mirror

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - central locking warning lamp -SAFE- - interior locking switch - driver's side - door warning lamp - driver's side - front left entry light

E150	Interior locking switch, driver's side
J386	Door control unit, driver's side
K133	Central locking warning lamp -SAFE-
L108	Door opening illumination, driver's side
T2i	2-pin connector, in driver's door
T20a	20-pin connector, black, A pillar, left
W30	Door warning lamp, driver's side
W31	Front left entry light
304	Earth connection -3-, in door wiring harness - driver's side
R52	Connection (58s), in door wiring harness - driver's side
R66	Positive (+) connection (central locking), in door wiring harness - driver's side
*	Switch earth output

Wiring Diagram AUDI A8 2003 - Door control unit - driver's side - fuel tank flap release button - rear lid remote release button - illumination of driver's door storage compartment

A20	Ambient lighting voltage converter, driver's door
E233	Rear lid remote release button
E319	Fuel tank flap release button
J386	Door control unit, driver's side
L160	Illumination of driver's door storage compartment
L164	Driver's door ambient lighting
T2ae	2-pin connector, on ambient lighting voltage converter
T2af	2-pin connector, on ambient lighting voltage converter
T17p	17-pin connector, in driver's door
304	Earth connection -3-, in door wiring harness - driver's side
R52	Connection (58s), in door wiring harness - driver's side

Wiring Diagram AUDI A8 2003 - Door control unit - front passenger's side - electric window fuse - front passenger's side

J387	Door control unit, front passenger's side
S170	Electric window fuse, front passenger's side
SC38	Fuse -38- on fuse box
SC39	Fuse -39- on fuse box
SC41	Fuse -41- on fuse box
T20b	20-pin connector, black, A pillar, right
370	Earth connection -5-, in main wiring harness
B272	Positive (+) connection (30), in main wiring harness

Wiring Diagram AUDI A8 2003 - Door control unit - front passenger's side - entry and start authorisation control unit - exterior door handle touch sensor - front passenger's side - front passenger's side aerial for entry and start authorisation

G416	Exterior door handle touch sensor, front passenger's side
J387	Door control unit, front passenger's side
J518	Entry and start authorisation control unit
J521	Seat adjustment with memory control unit, front passenger
R135	Front passenger's side aerial for entry and start authorisation
T17t	17-pin connector, brown, under front passenger's seat
T20b	20-pin connector, black, A pillar, right
T46b	46-pin connector, black, CAN separating connector, right
268	Earth connection -2-, in door wiring harness - front passenger's side
B373	Connection -3- (aerial), in main wiring harness
B374	Connection -4- (aerial), in main wiring harness
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2003 - Door control unit - front passenger's side - central locking button - front right exterior door handle illumination - central locking lock unit - front passenger's side

E370	Exterior door handle central locking button, front passenger's side
F3	Door contact switch, front passenger's side
F133	Central locking actuator, front right
F221	Central locking lock unit, front passenger's side
F244	Central locking actuator (Safe), front passenger's door
J387	Door control unit, front passenger's side
L163	Front right exterior door handle illumination
V57	Central locking motor, front passenger's door
V162	Central locking motor (Safe), front passenger's door
268	Earth connection -2-, in door wiring harness - front passenger's side

Wiring Diagram AUDI A8 2003 - Door control unit - front passenger's side - electric window switch in front passenger's door - interior locking switch - front passenger's side

E107	Electric window switch, in front passenger's door
E198	Interior locking switch, front passenger's side
J387	Door control unit, front passenger's side
T4e	4-pin connector, in front passenger's door
V148	Electric window motor, front passenger's side
303	Earth connection -3-, in door wiring harness - front passenger's side
R53	Connection (58s), in door wiring harness - front passenger's side
*	Switch earth output

Wiring Diagram AUDI A8 2003 - Door control unit - front passenger's side - central locking warning lamp -SAFE- (front passenger) - front right entry light - door warning lamp - front passenger's side - illumination of front passenger's door storage compartment

A21	Ambient lighting voltage converter, front passenger's door
J387	Door control unit, front passenger's side
K204	Central locking warning lamp -SAFE-, front passenger
L109	Door opening illumination, front passenger's side
L161	Illumination of front passenger's door storage compartment
L165	Ambient lighting for front passenger's door
T2k	2-pin connector, in front passenger's door
T2ae	2-pin connector, on ambient lighting voltage converter
T2af	2-pin connector, on ambient lighting voltage converter
T17q	17-pin connector, in front passenger's door
T20b	20-pin connector, black, A pillar, right
W32	Front right entry light
W36	Door warning lamp, front passenger's side
303	Earth connection -3-, in door wiring harness - front passenger's side
R53	Connection (58s), in door wiring harness - front passenger's side

Wiring Diagram AUDI A8 2003 - Door control unit - front passenger's side - mirror adjustment motors - heated exterior mirror - front passenger's side - entry light in exterior mirror - front passenger's side

J387	Door control unit, front passenger's side
V25	Mirror adjustment motor, front passenger's side
V122	Folding mirror motor, front passenger's side
V150	Mirror adjustment motor, front passenger's side
Y21	Automatic anti-dazzle exterior mirror, front passenger's side
W53	Entry light in exterior mirror, front passenger's side
Z5	Heated exterior mirror, front passenger's side
*	Mirror with retraction function
**	With automatic anti-dazzle exterior mirror
***	With entry light in exterior mirror

Wiring Diagram AUDI A8 2003 - Rear left door control unit - rear left exterior door handle touch sensor - entry and start authorisation - driver's side rear aerial

G417	Exterior door handle touch sensor, rear left
J388	Door control unit, rear left
R155	Entry and start authorisation, driver's side rear aerial
T20c	20-pin connector, black, B pillar, left
T46a	46-pin connector, black, CAN separating connector, left
367	Earth connection -2-, in main wiring harness
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2003 - Rear left door control unit - rear left exterior door handle illumination - rear left exterior door handle central locking button - rear left central locking lock unit

E371	Exterior door handle central locking button, rear left
F10	Rear left door contact switch
F132	Central locking actuator, rear left
F222	Central locking lock unit, rear left
F245	Central locking actuator (Safe), rear left door
J388	Door control unit, rear left
L168	Rear left exterior door handle illumination
V115	Central locking motor, rear left door
V163	Central locking motor (Safe), rear left door
350	Earth connection -2-, in rear left door wiring harness
*	Switch earth output
**	Models without entry and start authorisation
***	Models with entry and start authorisation

Wiring Diagram AUDI A8 2003 - Rear left door control unit - rear left entry light - rear left door warning lamp - rear left interior locking switch

A22	Ambient lighting voltage converter, rear left door
E273	Rear left interior locking switch
J388	Door control unit, rear left
L110	Door opening illumination, rear left
L166	Ambient lighting for rear left door
T2ae	2-pin connector, on ambient lighting voltage converter
T2af	2-pin connector, on ambient lighting voltage converter
W33	Rear left entry light
W37	Door warning lamp, rear left
408	Earth connection -3-, in rear left door wiring harness
R54	Connection (58s), in rear left door wiring harness
*	Switch earth output

Wiring Diagram AUDI A8 2003 - Rear left door control unit - rear left electric window switch (in door) - rear left ashtray light bulb - rear left electric window motor - illumination of rear left door storage compartment

E52	Rear left electric window switch, in door
J388	Door control unit, rear left
L48	Rear ashtray light bulb, left
L170	Illumination of rear left door storage compartment
T4f	4-pin connector, in rear left door
T4h	4-pin connector, in rear left door
V26	Electric window motor, rear left
408	Earth connection -3-, in rear left door wiring harness
R54	Connection (58s), in rear left door wiring harness

Wiring Diagram AUDI A8 2003 - Rear right door control unit - rear right exterior door handle touch sensor - entry and start authorisation - front passenger's side rear aerial

G418	Exterior door handle touch sensor, rear right
J389	Door control unit, rear right
R156	Entry and start authorisation, front passenger's side rear aerial
T20d	20-pin connector, black, B pillar, right
T46b	46-pin connector, black, CAN separating connector, right
368	Earth connection -3-, in main wiring harness
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2003 - Rear right door control unit - rear right exterior door handle central locking button - rear right central locking lock unit

E372	Exterior door handle central locking button, rear right
F11	Rear right door contact switch
F134	Central locking actuator, rear right
F223	Central locking lock unit, rear right
F246	Central locking actuator (Safe), rear right door
J389	Door control unit, rear right
L169	Rear right exterior door handle illumination
V97	Central locking motor, rear right door
V164	Central locking motor (Safe), rear right door
351	Earth connection -2-, in rear right door wiring harness
*	Switch earth output
**	Models without entry and start authorisation
***	Models with entry and start authorisation

Wiring Diagram AUDI A8 2003 - Rear right door control unit - rear right entry light - rear right door warning lamp - rear right interior locking switch - rear right door opening illumination - ambient lighting for rear right door

A23	Ambient lighting voltage converter, rear right door
E274	Rear right interior locking switch
J389	Door control unit, rear right
L111	Door opening illumination, rear right
L167	Ambient lighting for rear right door
T2ae	2-pin connector, on ambient lighting voltage converter
T2af	2-pin connector, on ambient lighting voltage converter
W34	Rear right entry light
W38	Door warning lamp, rear right
409	Earth connection -3-, in rear right door wiring harness
R55	Connection (58s), in rear right door wiring harness
*	Switch earth output

Wiring Diagram AUDI A8 2003 - Rear right door control unit - rear right electric window motor - rear right electric window switch (in door) - rear right ashtray light bulb - illumination of rear right door storage compartment

E54	Rear right electric window switch, in door
E157	Adjustable front passenger's seat switch
J389	Door control unit, rear right
L49	Rear ashtray light bulb, right
L171	Illumination of rear right door storage compartment
T4g	4-pin connector, in rear right door
T4i	4-pin connector, in rear right door
V27	Electric window motor, rear right
409	Earth connection -3-, in rear right door wiring harness
R55	Connection (58s), in rear right door wiring harness

Wiring Diagram AUDI A8 2003 - Convenience system central control unit - fuses

J329	Terminal 15 voltage supply relay
J393	Convenience system central control unit
S132	Fuse 2, 60 A, in luggage compartment, rear right
SF1	Fuse -1- on fuse box
SF2	Fuse -2- on fuse box
SF3	Fuse -3- on fuse box
T46b	46-pin connector, black, CAN separating connector, right
378	Earth connection -13-, in main wiring harness
B165	Positive (+) connection -2- (15), in interior wiring harness
B273	Positive (+) connection (15), in main wiring harness
B299	Positive (+) connection -3- (30), in main wiring harness
B316	Positive (+) connection -2- (30a), in main wiring harness
•	CAN bus (data wire)

Wiring Diagram AUDI A8 2003 - Convenience system central control unit - rear lid - tank filler flap locking motor - switch in lock cylinder for rear lid anti-theft alarm system/central locking system - release button for rear lid lock cylinder - central locking motor - rear lid - alarm horn

F123	Rear lid contact switch for anti-theft alarm
F124	Switch in lock cylinder for rear lid anti-theft alarm system/central locking system
F248	Release button for rear lid lock cylinder
H12	Alarm horn
J393	Convenience system central control unit
S133	Fuse 3, 150 A, in luggage compartment, rear right
V53	Central locking motor, rear lid
V155	Tank filler flap locking motor
366	Earth connection -1-, in main wiring harness
376	Earth connection -11-, in main wiring harness
378	Earth connection -13-, in main wiring harness
B272	Positive (+) connection (30), in main wiring harness
B300	Positive (+) connection -4- (30), in main wiring harness
B303	Positive (+) connection -7- (30), in main wiring harness

Wiring Diagram AUDI A8 2003 - Convenience system central control unit - rear lid electric release motor - rear lid control unit - power latching system limit switch - luggage compartment - anti-theft/tilt system control unit - power latching control unit

E406	Rear lid close button, in luggage compartment
F332	Power latching system limit switch, luggage compartment unlocked
F333	Power latching system limit switch, luggage compartment locked
J393	Convenience system central control unit
J529	Anti-theft/tilt system control unit
J605	Rear lid control unit
J657	Power latching control unit
T5c	5-pin connector, in luggage compartment, for rear lid power latching system
V120	Rear lid lock motor
V254	Rear lid electric release motor
376	Earth connection -11-, in main wiring harness
378	Earth connection -13-, in main wiring harness
383	Earth connection -18-, in main wiring harness
B476	Connection -12-, in main wiring harness
B487	Connection -23-, in main wiring harness

Wiring Diagram AUDI A8 2003 - Convenience system central control unit - luggage compartment light - boot lid light - rear left and rear right footwell illumination

J393	Convenience system central control unit
L106	Footwell illumination, rear left
L107	Footwell illumination, rear right
T17h	17-pin connector, grey, under driver's seat
T17i	17-pin connector, grey, under front passenger's seat
W18	Luggage compartment light, left
W35	Luggage compartment light, right
W51	Boot lid light
367	Earth connection -2-, in main wiring harness
368	Earth connection -3-, in main wiring harness
371	Earth connection -6-, in main wiring harness
377	Earth connection -12-, in main wiring harness
378	Earth connection -13-, in main wiring harness
B476	Connection -12-, in main wiring harness
M43	Connection -3-, in driver's seat wiring harness
M53	Connection -3-, in front passenger's seat wiring harness

Wiring Diagram AUDI A8 2003 - Onboard power supply control unit - bonnet contact switch - left footwell light - centre console illumination - right footwell light

F266	Bonnet contact switch
F329	Bonnet contact switch -2-
J519	Onboard power supply control unit
L150	Centre console illumination
SC18	Fuse -18- on fuse box
T8b	8-pin connector, black, behind dash panel, right
W9	Left footwell light
W10	Right footwell light
81	Earth connection -1-, in dash panel wiring harness (glove box)
369	Earth connection -4-, in main wiring harness
372	Earth connection -7-, in main wiring harness
375	Earth connection -10-, in main wiring harness
B465	Connection -1-, in main wiring harness
*	Models without additional lighting equipment
**	Models with additional lighting equipment

AUDI A8 2003 Control units overview

Control units overview    

q	Connector assignment

4 -

q	Connector assignment

Roof electronics control unit -J528-

q	In front roof module

q

Location

Audi A8	Fitting Locations	No.  804 / 2

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

10 -

q	Connector assignment

q	Connector assignment

Audi A8	Fitting Locations	No.  804 / 3

q	Connector assignment, 20-pin connector -T20e-

17 -

q	Connector assignment

q	Connector assignment

-

Front information display and operating unit control unit -J523-    

Display unit for front information display and operating unit control unit -J685-

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Location: In centre dash panel -Item 1-

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Steering column electronics control unit -J527-    

Location: Near steering column, behind steering wheel Driver side door control unit -J386-, front passenger door control unit -J387-

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Location -J386-: In driver door -arrow- Location -J387-: In front passenger door -arrow-

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Connector assignment:    

Pin connector front door:

A -	32-pin connector (connector A), white

B -	16-pin connector (connector B), brown

C -	12-pin connector (connector C), black

D -	10-pin connector, black (connector D), black

Pin connector rear door:

A -

Vacant

B -	16-pin connector (connector A), brown

C -	12-pin connector (connector B), black

D -	10-pin connector (connector C), black

Power latching control unit for driver door -J760-, power latching control unit for front passenger door -J761-

6-pin connector, black

AUDI A8 2003 Onboard supply control unit 2 -J520-

Location:

Under carpet of the front passenger seat -arrow-

  Connector assignment:

A -	40-pin connector, on control unit

B -	40-pin connector, black, on wiring harness

Roof electronics control unit -J528-    

Location: The roof electronics control unit -J528- in front roof module contains: 1 -  Interior monitor send and receive module 1 -G303- 2 -  Garage door operating unit -E284- 3 -  Telematics operating unit -E264- 1, 4, 5 -  Microphone unit in front roof module -R164- 4 -  Interior monitor send and receive module 2 -G305-

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Airbag control unit -J234-    

Location: On the front centre tunnel -Item 1-

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Connector assignment:

-	Airbag control unit -J234-

Connector:

A -	84-pin connector, yellow

q	up to model year 2004

-	75-pin connector, yellow

q	up to model year 2005

Seat and steering column adjustment control unit with memory -J136-    

Location: In lower driver seat -Item 2-, coupling station driver seat -Item 1-

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Connector assignment:

A -	12-pin connector -connector ST5-, black

B -	12-pin connector -connector ST4-, black

C -	32-pin connector -connector ST6-, blue

D -	32-pin connector -connector ST7-, green

Entry and start authorisation control unit -J518-    

Location left-hand drive: Under carpet of the driver seat -arrow- Location right-hand drive: Under carpet of the front passenger seat -arrow-.

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Connector assignment:

A -	81-pin connector -connector A-, black

B -	6-pin connector -connector B-, black

Onboard power supply control unit -J519-    

Location: Behind the shelf on the driver's side, on relay and fuse holder behind the dash panel, left -arrow-

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Connector assignment:

A -	32-pin connector, -T32a- (connector C), grey

B -	23-pin connector -T23- (connector B), black

C -	10-pin connector, -T10p- (connector A), black

Headlight range control, control unit -J431-    

Location: Behind dash panel insert

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Connector assignment:

A -	26-pin connector, yellow

ABS control unit -J104-

Connector assignment:

A -	42-pin connector, black

Control unit in dash panel insert -J285-

Connector assignment:

A -	32 pin connector -T32-, blue

Wiper motor control unit -J400-    

Location: In plenum chamber on windscreen wiper motor -arrow-

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Automatic gearbox control unit -J217-, gearbox 09E/09L

Connector assignment:

A -	16-pin connector -T16c-, black

Automatic gearbox control unit -J217-, gearbox 01J/01T

Connector assignment:

A -	20-pin connector -T20e-, black

Data bus diagnostic interface -J533-    

Adaptive suspension control unit -J197-

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Location: Behind the glove box -Item 3- 1 -  Front information display and operating unit control unit -J523- 2 -  Data bus diagnostic interface -J533- 3 -  Adaptive suspension control unit -J197-

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Connector assignment:

A -	81-pin connector (connector A), black

B -	40-pin connector (connector B), black

AUDI A8 2003 Engine control unit -J623-, engine control unit 2 -J624-

Location:

Engine control unit -1- with electronics box -2- in plenum chamber

Engine control unit2 -J624-, installed under or next to engine control unit -J623-, depending on equipment

Adaptive cruise control unit -J428-

 

Location: Behind the front bumper, lower

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Connector assignment:

A -	12-pin connector, black

Garage door operation control unit -J530-

Location:

Behind the front bumper, left

   

1 -	4-pin connector, black -T4bi-

2 -	Garage door operation control unit -J530-

3 -

Screw

AUDI A8 2003 Overview of fuses

Overview of fuses    

q	Position of fuses, left-hand drive

q	Position of fuses, right-hand drive

q	Position of fuses, right-hand drive

q	Position of fuses, right-hand drive

q	Position of fuses, left-hand drive

q	Position of fuses, right-hand drive

Audi A8	Fitting Locations	No.  802 / 2

Fuses (S) on main fuse carrier, right A-pillar

q	Position of fuses

Relay and fuse holder (S) in front right footwell

q	Position of fuses, left-hand drive

q	Position of fuses, right-hand drive

q	Position of fuses, from model year 2004

q	Position of fuses, right-hand drive

q	Position of fuses, from model year 2004

q	Position of fuses, right-hand drive

Location of fuses (SB)

Fuse colours

40A orange

30A green

25A white

20A yellow

15A blue

10A red

7.5A brown

5A beige

3A purple

1A black

Fuses in fuse holder, left dash panel

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	SB1 - Fuse 1 on fuse holder B	5 A	-	J530 - Garage door operation control unit	15
2	-	SB2 - Fuse 2 on fuse holder B	10 A 5 A¹)	-	J446 - Parking aid control unit	30
3	-	SB3 - Fuse 3 on fuse holder B	5 A	-	J446 - Parking aid control unit	15
4	-	SB4 - Fuse 4 on fuse holder B	10 A	-	J431 - Headlight range control regulator V48 - Left headlight range control motor V49 - Right headlight range control motor	15
5	-	SB5 - Fuse 5 on fuse holder B	10 A 5 A¹)	-	J285 - Control unit with display in dash panel insert J533-Data bus diagnostic interface²)	30
6	-	SB6 - Fuse 6 on fuse holder B	10 A	-	J527 - Steering column electronics control unit	30
7	-	SB7 - Fuse 7 on fuse holder B	5 A	-	T16 - 16-pin connector, diagnostic connector	30
8	-	SB8 - Fuse 8 on fuse holder B	5 A	-	G266 - Oil level and oil temperature sender¹) T16 - Connector, 16-pin diagnostic connector	15
9	-	SB9 - Fuse 9 on fuse holder B	10 A 5 A¹)	-	J104 - ABS control unit J527 - Steering column electronics control unit	15
10	-	SB10 - Fuse 10 on fuse holder B	5 A	-	G266 - oil level and oil temperature sender²) J533 - Data bus diagnostic interface¹)	15
11	-	SB11 - Fuse 11 on fuse holder B	10 A		J759 - Lane departure warning control unit³)	15
12	-	SB12 - Fuse 12 on fuse holder B	5 A	-	F - Brake light switch	30

¹) from model year 2004 ²) up to model year 2003 ³) from September 2007

Audi A8	Fitting Locations	No.  802 / 6

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
25	-	SB25 - Fuse 25 on fuse holder B	40 A	-	J400 - Wiper motor control unit	30
26	-	SB26 - Fuse 26 on fuse holder B	15 A³) 30 A²)	-	J608 - Special vehicle control unit³) U18 - 12 V socket 2²) U19 - 12 V socket 3²)	30
27	-	SB27 - Fuse 27 on fuse holder B	25 A	-	J104 - ABS control unit	30
28	-	Vacant
29	-	SB29 - Fuse 29 on fuse holder B	1 A	-	- Switch illumination	58s
30	-	Vacant
31	-	SB31 - Fuse 31 on fuse holder B	30 A	-	J519 - Onboard power supply control unit	30
32	-	SB32 - Fuse 32 on fuse holder B	5 A⁵)	-	J685 - Display unit for front information display and operating unit control unit ⁵)	30
33	-	SB33 - Fuse 33 on fuse holder B	25 A	-	Z42-Rear left footwell heater element	75
34	-	Vacant
35	-	Vacant
36	-	SB36 - Fuse 36 on fuse holder B	5 A		J769 - Lane change assist control unit⁴)	15
37	-	SB37 - Fuse 37 on fuse holder B	15 A	-	J698 - Refrigerator box³)	15
38	-	SB38 - Fuse 38 on fuse holder B	30 A	-	J519 - Onboard power supply control unit	30
39	-	SB39 - Fuse 39 on fuse holder B	15 A 7.5 A¹)	-	J386 - Driver door control unit	30

¹) from model year 2004 ²) up to model year 2004 ³) from model year 2006 ⁴) from September 2007 ⁵) from September 2008

Audi A8	Fitting Locations	No.  802 / 8

Audi A8 Fitting Locations No.  802 / 9 No.   Current Flow Diagram designation Nominal value   Function/component Terminal 8 - SB8 - Fuse 8 on fuse holder B 10 A - J544 - Throttle valve module 2 J725 - Turbocharger 2 control unit N144 - Left electrohydraulic engine mounting solenoid valve N205 - Inlet camshaft control valve 1 N208 - Inlet camshaft control valve N213 - Exhaust gas recirculation valve 2 N321 - Exhaust flap 1 valve N382 - Torque rod valve V51 - Continued coolant circulation pump V275 - Intake manifold flap 2 motor 87 9 - SB9 - Fuse 9 on fuse holder B 5 A - J104 - ABS control unit J527 - Steering column electronics control unit 15 10 - SB10 - Fuse 10 on fuse holder B 10 A - J197 - Adaptive suspension control unit 15 11 - SB11 - Fuse 11 on fuse holder B 10 A - J759 - Lane departure warning control unit 15 12 - SB12 - Fuse 12 on fuse holder B 5 A 7.5 A¹) - J523 - Front information display and operating unit control unit J794 - Control unit for information electronics 1¹) 30 13 - SB13 - Fuse 13 on fuse holder B 10 A - J412 - Telephone operating electronics control unit J526 - Mobile telephone operating electronics control unit R36 - Telephone transmitter and receiver unit R115 - Chip card reader for telephone - Preparation for mobile telephone 30       5 A¹) - R86 - Aerial amplifier for mobile telephone¹) R126 - Telephone bracket¹) 30 ¹) from September 2008     Audi A8 Fitting Locations No.  802 / 11 No.   Current Flow Diagram designation Nominal value   Function/component Terminal 28 - SB28 - Fuse 28 on fuse holder B 5 A - J17 - Fuel pump relay J49 - Electric fuel pump 2 relay J248 - Diesel direct injection system control unit J569 - Brake servo relay J623 - Engine control unit 15 29 - SB29 - Fuse 29 on fuse holder B 15 A - N30.. - Injector 87 30 - SB30 - Fuse 30 on fuse holder B 30 A - N...- Ignition coils with output stage J623 - Engine control unit 87 31 - SB31 - Fuse 31 on fuse holder B 20 A 40 A - G23 - Right fuel pump N115 - Active charcoal filter system solenoid valve 2 (USA) V144 - Fuel system diagnostic pump (USA) J538 - Fuel pump control unit 87 32 - SB32 - Fuse 32 on fuse holder B 10 A 5 A - J217 - Automatic gearbox control unit 01J, 01T J217 - Automatic gearbox control unit 09E, 09L 15 33 - SB33 - Fuse 33 on fuse holder B 25 A - Z42-Rear left footwell heater element 75 34 - Vacant         35 - Vacant         36 - SB36 - Fuse 36 on fuse holder B 5 A - J769 - Lane change assist control unit 15 37 - SB37 - Fuse 37 on fuse holder B 15 A - J698-Refrigerator box 15 38 - SB38 - Fuse 38 on fuse holder B 20 A - V284 - Radiator fan 3 30 39 - SB39 - Fuse 39 on fuse holder B 7.5 A - J386 - Driver door control unit 30 Audi A8 Fitting Locations No.  802 / 13 AUDI A8 2003 Location of fuses (SC) Location of fuses (SC) https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car Fuse colours 40A orange 30A green 25A white 20A yellow 15A blue 10A red 7.5A brown 5A beige 3A purple 1A black Fuses in fuse holder, right dash panel

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	SC1 - Fuse 1 on fuse holder C	5 A	-	J540 - Electric park and handbrake control unit	15
2	-	SC2 - Fuse 2 on fuse holder C	10 A	-	J255 - Climatronic control unit	30
3	-	SC3 - Fuse 3 on fuse holder C	5 A	-	F189 - Tiptronic switch F305 - Gear selector position P switch N110 - Selector lever lock solenoid	15
4	-	SC4 - Fuse 4 on fuse holder C	15 A	-	J217 - Automatic gearbox control unit 01J/01T	87
5	-	SC5-Fuse 5 on fuse holder C	15 A	-	G70 - Air mass meter J299 - Secondary air pump relay J338 - Throttle valve module J724 - Turbocharger 1 control unit N18 - Exhaust gas recirculation valve N112 - Secondary air inlet valve N145 - Right electrohydraulic engine mounting solenoid valve N382 - Torque rod valve V157 - Intake manifold flap motor	87
6	-	SC6 - Fuse 6 on fuse holder C	15 A	-	G39 - Lambda probe G108 - Lambda probe 2	87
7	-	SC7 - Fuse 7 on fuse holder C	15 A 10 A	-	G130 - Lambda probe after catalytic converter G131 - Lambda probe 2 after catalytic converter N276 - Fuel pressure regulating valve N290 - Fuel metering valve	87

Audi A8	Fitting Locations	No.  802 / 16

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
14	-	SC14 - Fuse 14 on fuse holder C	5 A	-	R41 - CD changer R92 - CD ROM drive R129 - Video recorder / DVD player	30
15	-	SC15 - Fuse 15 on fuse holder C	5 A	-	J644 - Energy management control unit	30
16	-	SC16 - Fuse 16 on fuse holder C	5 A 7.5 A³)	-	N79 - Heater element for crankcase breather	87
17	-	SC17 - Fuse 17 on fuse holder C	5 A¹)	-	- Vacant V7 - Radiator fan V177 - Radiator fan 2	87
18	-	SC18 - Fuse 18 on fuse holder C	5 A	-	- Vacant (from January 2003) J234 - Airbag control unit²) J706 - Seat occupied recognition control unit (only USA)²) L34 - Map reading light bulb (up to December 2002)	15
19	-	SC19 - Fuse 19 on fuse holder C	5 A	-	G70 - Air mass meter	15
20	-	SC20 - Fuse 20 on fuse holder C	5 A	-	J526 - Telephone and telematics control unit (USA) J672 - Driver seat ventilation control unit J673 - Front passenger seat ventilation control unit	75
21	-	SC21 - Fuse 21 on fuse holder C	15 A 5 A	-	J248 - Diesel direct injection system control unit J271 - Motronic current supply relay J623 - Engine control unit	30
22	-	SC22 - Fuse 22 on fuse holder C	10 A	-	J445 - Fuel cooling pump relay V166 - Fuel cooling pump	30

¹) from model year 2004 ²) from model year 2005 ³) from model year 2006

Audi A8	Fitting Locations	No.  802 / 18

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
33	-	SC33-Fuse 33 on fuse holder C	25 A	-	Z43-Rear right footwell heater element	75
34	-	SC34 - Fuse 34 on fuse holder C	20 A	-	- Seat heating/rear seat ventilation E265 - Rear Climatronic operating and display unit	30
35	-	SC35 - Fuse 35 on fuse holder C	20 A	-	J255 - Climatronic control unit J672 - Driver seat ventilation control unit J673 - Front passenger seat ventilation control unit	30
36	-	SC36 - Fuse 36 on fuse holder C	20 A	-	U1 - Cigarette lighter	30
37	-	SC37 - Fuse 37 on fuse holder C	20 A 30 A 25 A³)	-	U9 - Rear cigarette lighter U18 - 12 V Socket 2²) U19 - 12 V Socket 3²)	30
38	-	SC38 - Fuse 38 on fuse holder C	20 A¹)	-	-Vacant V284 - Radiator fan 3¹)	30
39	-	SC39 - Fuse 39 on fuse holder C	15 A 7.5 A¹)	-	J387 - Front passenger side door control unit	30
40	-	SC40 - Fuse 40 on fuse holder C	15 A	-	J569-Brake servo relay V192-Vacuum pump for brakes	30
41	-	SC41 - Fuse 41 on fuse holder C	15 A 7.5 A¹)	-	J389 - Rear right door control unit	30

¹) from model year 2004 ²) from model year 2005 ³) from model year 2006

Audi A8	Fitting Locations	No.  802 / 20

Audi A8 Fitting Locations No.  802 / 21 No.   Current Flow Diagram designation Nominal value   Function/component Terminal 10 - SC10 - Fuse 10 on fuse holder C 5 A - J533 - Data bus diagnostic interface 15 11 - SC11 - Fuse 11 on fuse holder C 5 A - G397 - Rain and light detector sensor 30 12 - SC12 - Fuse 12 on fuse holder C 5 A - F - Brake light switch 30 13 - SC13 - Fuse 13 on fuse holder C 10 A - J528-Roof electronics control unit 30 14 - SC14 - Fuse 14 on fuse holder C 5 A¹) - J685 - Display unit for front information display and operating unit control unit ¹) 30 15 - SC15 - Fuse 15 on fuse holder C 5 A - J644 - Energy management control unit 30 16 - SC16 - Fuse 16 on fuse holder C 10 A - - Rear-Seat-Entertainment 15 17 - SC17 - Fuse 17 on fuse holder C 5 A - V7-Radiator fan V177-Radiator fan 2 87 18 - SC18 - Fuse 18 on fuse holder C 5 A - J234 - Airbag control unit J706 - Seat occupied recognition control unit (USA only) 15 19 - Vacant         20 - SC20 - Fuse 20 on fuse holder C 5 A - J672 - Driver seat ventilation control unit J673 - Front passenger seat ventilation control unit 75 21 - Vacant         22 - SC22 - Fuse 22 on fuse holder C 5 A - F47 - Brake pedal switch 87 23 - SC23 - Fuse 23 on fuse holder C 5 A - F234 - Parking brake pressure switch 30 24 - SC24 - Fuse 24 on fuse holder C 10 A - J520 - Onboard supply control unit 2 30 25 - SC25 - Fuse 25 on fuse holder C 40 A - J400 - Wiper motor control unit 30 ¹) from September 2008     Audi A8 Fitting Locations No.  802 / 23 No.   Current Flow Diagram designation Nominal value   Function/component Terminal 39 - SC39 - Fuse 39 on fuse holder C 7.5 A - J387 - Front passenger side door control unit 30 40 - SC40 - Fuse 40 on fuse holder C 25 A - J519 - Onboard supply control unit V123 - steering column vertical adjustment motor V124 - Steering column axial adjustment motor 30 41 - SC41 - Fuse 41 on fuse holder C 7.5 A - J389 - Rear right door control unit 30 42 - SC42 - Fuse 42 on fuse holder C 20 A - J364 - Engine residual heat accumulator control unit 30 43 - SC43 - Fuse 43 on fuse holder C 30 A   J39 - Headlight washer system relay 30 44 - SC44 - Fuse 44 on fuse holder C 30 A - V2 - Fresh air blower (air conditioning) 30 AUDI A8 2003 Fuse locations on fuse holder, in electronics box

Fuse locations on fuse holder, in electronics box

A -

Vacant

B -	Glow plug strip fuse -S39-, 60A

q	Engine code ASE only

q	from model year 2004

B -	Glow plug fuse -S125-, 80A

q	Engine codes ASB, BNG, ASE, BVN only

q	from model year 2004

B -	Secondary air pump fuse -S130-, 50A

C -	Glow plug fuse -S125-, 60A

q	Engine code ASE only

q	from model year 2004, 80A

C -	Glow plug fuse 2 -S189-, 80A

q	Engine codes ASE, BVN only

q	from model year 2004

C -	Secondary air pump fuse 2 -S284-, 50A

q	Engine code BHT only

D -

Vacant

F -

Vacant

G -

Vacant

H -

Vacant

AUDI A8 2003 Fuse locations on fuse holder, in electronics box, right-hand drive

Fuse locations on fuse holder, in electronics box, right-hand drive

A -

Vacant

B -

Vacant

C -

Vacant

D -

Vacant

E -	Engine glow plug strip fuse -S39-, 80 A

q	Engine code ASE only

-	Glow plug fuse -S125-, 80 A

q	Engine codes ASE, BVN, ASB, BNG only

-	Secondary air pump fuse -S130-, 50 A

F -

Vacant

G -	Glow plug fuse 2 -S189-, 80 A

q	Engine codes ASE, BVN only

-	Secondary air pump fuse 2 -S284-, 50 A

q	Engine code BHT only

AUDI A8 2003 Position of fuses on fuse holder, on left behind dash panel

Position of fuses on fuse holder, on left behind dash panel

A -	ABS control unit fuse 1 -S123-, 60A

B -	Levelling system fuse -S110- 40A

C -	Window regulator thermal fuse -S43- 40A

q	from model year 2004, 30A

D -	Seat adjustment thermal fuse 1 -S44-, 30A

E -	Seat adjustment thermal fuse 2 -S45- 30A

F -

Vacant

G -

Vacant

H -

Vacant

AUDI A8 2003 Position of fuses on fuse holder, on right behind dash panel, right-hand drive

Position of fuses on fuse holder, on right behind dash panel, right-hand drive

A -	Driver seat adjustment thermal fuse 1 -S44-, 30 A

B -	Window regulator thermal fuse -S43-, 30 A

C -

Vacant

F -

Vacant

G -	Driver seat adjustment thermal fuse 2 -S45-, 30 A

H -

Vacant

AUDI A8 2003 Fuses on fuse holder, in front right footwell

Fuses on fuse holder, in front right footwell

A -	Front passenger side window regulator fuse -S170-, 30 A

q	up to July 2006

B -	Front passenger seat adjustment thermal fuse 1 -S46- 30 A

C -	Hot air blower single fuse -S25-, 30 A

q	up to model year 2003

C -

Vacant

q	from model year 2004

C -	Front passenger side window regulator fuse -S170-, 30 A

q	from August 2006

D -	Front passenger seat adjustment thermal fuse 2 -S80-, 30 A

E -

Vacant

F -

Vacant

AUDI A8 2003 Fuses on fuse holder, in front right footwell, right-hand drive

Fuses on fuse holder, in front right footwell, right-hand drive

A -	Window regulator thermal fuse -S43-, 30 A

q	up to October 2006

B -	Driver seat adjustment thermal fuse 1 -S44-, 30 A

C -

Vacant

q	up to October 2006

-	Window regulator thermal fuse -S43-, 30 A

q	from November 2006

D -	ABS control unit fuse 1 -S123-, 60 A

E -	Driver seat adjustment thermal fuse 2 -S45-, 30 A

F -	Levelling system fuse -S110-, 40 A

AUDI A8 2003 Position of fuses on main fuse carrier, right A-pillar

Position of fuses on main fuse carrier, right A-pillar

1 -	Radiator fan single fuse -S42-, 60A

1A -	Screw point radiator fan

2 -	Radiator fan fuse for 2nd speed -S104-, 60A

2A -	Screw point radiator fan fuse for 2nd speed

3 -	Terminal 30 screw point (battery)

4 -	Terminal 30 screw point (starter)

AUDI A8 2003 Position of fuses on fuse holder, in right luggage compartment

Position of fuses on fuse holder, in right luggage compartment

A -	Heated rear window single fuse -S41- 40A

B -	Rear seat adjustment thermal fuse 1 -S335- 30A

q	up to model year 2005

B -	Fuel pump fuse -S81- 40A

q	from model year 2006

C -	Rear seat adjustment thermal fuse 2 -S336- 30A

D -

Vacant

D -	Communications fuse -S254-, 15A

q	up to model year 2005

AUDI A8 2003 Fuses on fuse holder, on right in luggage compartment

Fuses on fuse holder, on right in luggage compartment

1 -	Terminal 30, fuse 1 -S131- 110A, for heated windscreen - Z2

1A -	Terminal 30a screw point heated windscreen -Z2-

2 -	Terminal 30, fuse 2 -S132-, 60A for radio, navigation, TV tuner

2A -	Terminal 30a screw point

3 -	Terminal 30, fuse 3 -S133- 150A, for onboard supply

3A -	Terminal 30a screw point (onboard supply)

4 -	Terminal 30 screw point (fuse holder)

5 -	Terminal 30 screw point (battery)

AUDI A8 2003 Position of fuses (SF) on fuse holder, on right in luggage compartment, up to model year 2003

Position of fuses (SF) on fuse holder, on right in luggage compartment, up to model year 2003

-	SF1 - Convenience system central control unit -J393-, left light, 20A

SF2 -

Convenience system central control unit -J393-, right light, 10A

-	SF3 - Convenience system central control unit -J393-, power latching system, 20A

-	SF4 - Electric park and handbrake control unit -J540-, left parking brake motor -V282-, 30A

-	SF5 - Electric park and handbrake control unit -J540-, right parking brake motor -V283-, 30A

-	SF6 - Trailer detector control unit -J345-, left light, 15A

-	SF7 - Trailer detector control unit -J345-, right light, 15A

-	SF8 - Trailer detector control unit -J345-, 10A

-	SF9 - Fuel pump -G23-, 20A

-	SF10 - Fuel system pressurisation pump -G6-, 20A

AUDI A8 2003 Position of fuses (SF) on fuse holder, on right in luggage compartment, from model year 2004

Position of fuses (SF) on fuse holder, on right in luggage compartment, from model year 2004

-	SF1 - Fuel pump -G23-, 20A

-	SF2 - Fuel system pressurisation pump -G6-, 20A

-	SF3 - Trailer socket - U10, terminal 15, 15A

q	vacant, from model year 2006

-	SF4 - Interface control unit for vehicle location system -J843-, 5A

q	from June 2008

-	SF5 - Convenience system central control unit -J393-, rear left light, 20A

-	SF6 - Convenience system central control unit -J393-, rear right light, 10A

-	SF7 - Convenience system central control unit -J393-, power latching system, 20A

-	SF8 - Control unit for electromechanical parking brake -J540-, left parking brake motor -V282-, 30A

Audi A8	Fitting Locations	No.  802 / 35

-	SF9 - Electric park and handbrake control unit -J540-, right parking brake motor -V283-, 30A

-	SF10 - Trailer detector control unit -J345-, left light, 15A/ 20A

q	15A up to August 2007

q	20A from November 2007

-	SF11 - Trailer detector control unit -J345-, right light, 15A/ 20A

q	15A up to August 2007

q	20A from November 2007

-	SF12 - Trailer detector control unit -J345-, 15A

AUDI A8 2003 Position of fuses (SF) on fuse holder, in right luggage compartment, right-hand drive

Position of fuses (SF) on fuse holder, in right luggage compartment, right-hand drive

1 -	Fuel pump -G23-, 20 A

2 -	Fuel system pressurisation pump -G6-, 20 A

3 -

Vacant

4 -

Vacant

5 -	Convenience system central control unit -J393-, 20 A (rear left light)

6 -	Convenience system central control unit -J393-, 10 A (rear right light)

7 -	Convenience system central control unit -J393-, 20 A (power latching system)

8 -	Control unit for electromechanical parking brake -J540-, left parking brake motor -V282-, 30 A

9 -	Control unit for electromechanical parking brake -J540-, right parking brake motor -V283-, 30 A

Audi A8	Fitting Locations	No.  802 / 37

10 -	Trailer detector control unit -J345-, 20A (left light)

11 -	Trailer detector control unit -J345-, 20A (right light)

12 -	Trailer detector control unit -J345-, 15 A

AUDI A8 2003 Position of fuses (SD) on fuse holder, on left in luggage compartment, up to model year 2003

Position of fuses (SD) on fuse holder, on left in luggage compartment, up to model year 2003

-	SD1 - Digital sound package control unit -J525-, 30A

-	SD2 - Navigation system with CD drive control unit -J401-, 5A

-	SD3 - TV-tuner -R78-, 10A

-	SD4 - Vacant

-	SD5 - Radio -R-, 5A

-	SD6 - Middle loudspeaker in rear shelf -R148-, 30A

-	SD7 - 12 V socket -U5-, 20A

-	SD8 - Remote control receiver for auxiliary heating -R64-, 5A

-	SD9 - Vacant

-	SD10 - Vacant

A1 -	Terminal 30 screw point (battery)

B1 -	Terminal 30 screw point

AUDI A8 2003 Position of fuses (SD) on fuse holder, on left in luggage compartment, from model year 2004

Position of fuses (SD) on fuse holder, on left in luggage compartment, from model year 2004

-	SD1 - Vacant

-	SD2 - Vacant

-	SD3 - Vacant

-	SD4 - Vacant

-	SD5 - Digital sound package control unit -J525-, 30A

-	SD6 - Navigation system with CD drive control unit -J401-, 5A

-	SD7 - TV-tuner -R78-, digital TV tuner -R171-, 10A

-	SD8 - Reversing camera system control unit -J772-, 5A

q	vacant, up to model year 2007

-	SD9 - Radio -R-, digital radio -R147-, satellite radio -R146-, 5A

q	-R146- only USA

q	up to August 2008

-	SD9 - Radio -R-, 25A

q	from September 2008

-	SD10 - Middle loudspeaker -R148-, 15A

Audi A8	Fitting Locations	No.  802 / 40

-	SD10 - Digital sound package control unit 2 -J787-, 30A

q	only BANG and OLUFSEN

-	SD11 - 12 V socket -U5-, 20A

-	SD12 - Remote control receiver for auxiliary heating -R64-, 5A

A1 -	Terminal 30 screw point (battery)

B1 -	Terminal 30 screw point (fuse holder)

AUDI A8 2003 Position fuse holder on left in luggage compartment, right-hand drive

Position fuse holder on left in luggage compartment, right-hand drive

-	SD1 - Vacant

-	SD2 - Vacant

-	SD3 - Vacant

-	SD4 - Vacant

-	SD5 - Digital sound package control unit -J525-, 30A

-	SD6 - Navigation system with CD drive control unit -J401-, 5A

-	SD7 - TV-tuner -R78-, 10A

-	SD8 - Reversing camera system control unit -J772-, 5A

-	SD9 - Radio -R-, digital radio -R147-, satellite radio -R146-, 5A

q	-R146- only USA

q	up to August 2008

-	SD9 - Radio -R-, 25A

q	from September 2008

Audi A8	Fitting Locations	No.  802 / 42

-	SD10 - Middle loudspeaker - R148, 15 A

-	Digital sound package control unit 2 -J787-, 30 A

q	only BANG and OLUFSEN

-	SD11 - 12 V socket -U5-, 20 A

-	SD12 - Remote control receiver for auxiliary heating -R64-, 5 A

A1 -	Terminal 30 screw point (battery)

B1 -	Terminal 30 screw point (fuse holder)

AUDI A8 2003 Control units overview

Control units overview    

q	Connector assigment

2 -

Energy management control unit -J644-, convenience system central control unit -J393-

q	on right in luggage compartment

q

Location

q	Connector assigment -J393-

q	Connector assigment -J644-

Audi A8	Fitting Locations	No.  805 / 2

q	Connector assigment -J345-

q	Connector assigment -J505-

q	Connector assigment -J540-

7 -

Audi A8	Fitting Locations	No.  805 / 3

7 -

7 -

q	Connector assigment

7 -	Radio -R- and speech input control unit -J507-

q	on left in luggage compartment

q

Location

7 -	Digital radio -R147-

q	on left in luggage compartment

q

Location

q	Connector assigment

q	Connector assigment

10 -

Anti-theft and tilt system control unit -J529-    

Location: Under rear seat bench, right Rear right door control unit -J389- and rear left door control unit -J388-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Location -J389-: In rear right door -arrow- Location -J388-: In rear left door -arrow-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Connector assigment:    

Connector front door:

A -	32-pin connector (connector A), white

B -	16-pin connector (connector B), brown

C -	12-pin connector (connector C), black

D -	10-pin connector, black (connector D), black

Connector rear door:

A -

Vacant

B -	16-pin connector (connector A), brown

C -	12-pin connector (connector B), black

D -	10-pin connector (connector C), black

Power latching control unit for rear right door -J763- and power latching control unit for rear left door -J762-

Connector assigment:

-	6-pin connector, black

Rear seat adjustment with memory control unit -J522-, heated rear left seat control unit -J215- and heated rear right seat control unit -J216-    

Energy management control unit -J644- and convenience system central control unit -J393-

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Location: on right in luggage compartment 2 -  Energy management control unit -J644- 6 -  Convenience system central control unit -J393-

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Connector assigment of energy management control unit -J644-:

A -	14-pin connector, black

Connector assigment of convenience system central control unit -J393-:

A -	15-pin connector -connector A-, black

B -	10-pin connector -connector C-, black

C -	32-pin connector -connector B-, grey

Heated windscreen control unit -J505-, electric park and handbrake control unit -J540- and trailer detector control unit -J345-    

Location: Under the battery 1 -  Heated windscreen control unit -J505- 2 -  Electric park and handbrake control unit -J540- 3 -  Trailer detector control unit -J345-

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Connector assigment of trailer detector control unit -J345-:

A -	16-pin connector -T16f-, black

B -	12-pin connector -T12m-, red

Connector assigment of heated windscreen control unit -J505-:

A -	4-pin connector, black

Connector assigment of electric park and handbrake control unit -J540-:

A -	30-pin connector, black

AUDI A8 2003 Aerial selection control unit -J515-

Location:

Behind the roof end trim, rear left -Item 3-

Digital sound package control unit -J525-, TV tuner -R78-, navigation system with CD drive control unit -J401-, parking aid control unit -J446-, radio -R-, speech input control unit -J507- and digital radio -R147-

 

Location: In left luggage compartment 1 -  Digital sound package control unit -J525- 2 -  TV tuner -R78- 3 -  Navigation system with CD drive control unit -J401- 4 -  Parking aid control unit -J446- 5 -  Radio -R- and speech input control unit -J507- 6 -  Digital radio -R147-

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Connector assigment:

-	Parking aid control unit -J446-

Pin connector:

A -	16-pin connector, brown

B -	12-pin connector, brown

C -	12-pin connector, black

Radio controlled clock receiver -J489-    

Location: In rear bumper -Item 2- Tyre pressure monitor control unit -J502-

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Location: Under rear seat bench, left

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Connector assigment:

A -	32-pin connector, black

AUDI A8 2003

AUDI A8 2003 Overview of relay carriers

Overview of relay carriers

   

Relay and fuse holder, in electronics box plenum chamber

q	Relay positions

Relay and fuse holder, behind left dash panel

q	Position of relays, left-hand drive only

2 -	Relay and fuse holder behind right dash panel

q	Position of relays, right-hand drive only

Relay and fuse holder in front right footwell

q	Position of relays, left-hand drive

-	Relay and fuse holder in front left footwell

q	Position of relays, right-hand drive

Relay and fuse holder, on right in luggage compartment

q	Relay positions

Relay and fuse holder, in electronics box plenum chamber

1 -	Glow plug relay -J52-

q	Engine code ASE only

1 -	Secondary air pump relay -J299-

2 -	Glow plug relay 2 -J495-

q	Engine code ASE only

2 -	Secondary air pump relay 2 -J545-

q

only VR12

2 -	Motronic current supply relay -J271-

q	From June 2003

2 -	Terminal 30 voltage supply relay -J317-

q	From June 2003

3 -	Terminal 30 voltage supply relay -J317-

q	To May 2003

3 -	Motronic current supply relay -J271-

q	To May 2003

3 -	Glow plug relay 2 -J495-

q	From model year 2004

q	Engine code ASE only

3 -	Secondary air pump relay 2 -J545-

q	From model year 2004

q	Engine code BHT only

3 -	Automatic glow period control unit -J179-

q	From model year 2004

q	Engine code BVN only

4 -	Automatic glow period control unit -J179-

q	Engine codes ASB, BNG only

q	left-hand drive only

4 -	Glow period control unit 2 -J703-

q	Engine code BVN only

q	left-hand drive only

Position, relay and fuse holder behind left dash panel

1 -	Adaptive suspension compressor relay -J403-

2 -	Dual tone horn relay -J4-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Washer fluid heater relay -J711-

q	To model year 2004

5 -	Control unit for taxi alarm remote control -J601-

q	From model year 2006

6 -	Terminal 75 voltage supply relay 1 -J680-

Position, relay and fuse holder behind right dash panel

1 -	Headlight washer system relay -J39-

2 -	Starter motor relay -J53-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Washer fluid heater relay -J711-

q	To model year 2004

5 -	Starter motor relay 2 -J695-

6 -	Terminal 75 voltage supply relay 1 -J680-

Position, relay and fuse holder in front right footwell, left-hand drive

1 -	Radiator fan 3 relay -J752-

q	6.0 l petrol engine

1 -	Fuel​ cooling​ pump​ relay​ -J445-

q

TDI

1 -	Brake servo relay -J569-

q	Petrol engine

1.1 -

Additional​ coolant​ pump​ relay -J496-

1.1 -

Continued coolant circulation relay -J151-

2 -	Starter motor relay -J53-

3 -	Starter motor relay 2 -J695-

4 -	Fuel pump relay -J17-

4 -	Engine components current supply relay -J757-

q	Engine code BSM only

5 -	Headlight washer system relay -J39-

-J752-, -J445-, -J569-, -J496-, -J151- are mini-relays and can be found on a relay connector position

Position, relay and fuse holder in front left footwell, right-hand drive

1.1 -

Radiator fan 3 relay -J752-

q	6.0 l petrol engine

1.1 -

Fuel​ cooling​ pump​ relay​ -J445-

q

TDI

1.1 -

Brake servo relay -J569-

q	Petrol engine

1.2 -

Additional​ coolant​ pump​ relay -J496-

1.2 -

Continued coolant circulation relay -J151-

2 -	Dual tone horn relay -J4-

3 -	Not assigned

4 -	Fuel pump relay -J17-

4 -	Engine components current supply relay -J757-

q	Engine code BSM only

5 -	Adaptive suspension compressor relay -J403-

-J752-, -J445-, -J569-, -J496-, -J151- are mini-relays and can be found on a relay connector position

Position, relay and fuse holder, on right in luggage compartment

1 -	Heated rear window relay -J9-

2 -	Not assigned

2 -	Current supply relay -J16-

q	From model year 2005

3 -	Fuel pump relay -J17-

q	Engine codes BVJ, ASB only

3 -	Electric fuel pump 2 relay -J49-

q	Petrol engines only

3 -	Cold start relay for fuel pump -J748-

q	From model year 2006