AUDI A8 2013 – Fuse assignment for RHD vehicles . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A8 2013 - Battery - Battery monitor control unit - Battery isolation igniter

A	Battery
C24	Suppression filter
J234	Airbag control unit
J367	Battery monitor control unit
J492	All-wheel drive control unit
J500	Power steering control unit
J505	Heated windscreen control unit
N253	Battery isolation igniter, near battery
SD1	Fuse 1 on fuse holder D
SD2	Fuse 2 on fuse holder D
SD3	Fuse 3 on fuse holder D
S125	Glow plug fuse
S189	Glow plug fuse 2
T2b	2-pin connector
T2s	2-pin connector
TV22	Terminal 30 wiring junction 2
T100	100-pin connector
U6	Jump start socket
519	Threaded connection (30), on flat conductor
D50	Positive connection (30), in engine compartment wiring harness
P2	Positive connection (30), in battery wiring harness
*	see applicable current flow diagram for basic equipment
*2	From September 2013
*3	Flat conductor

Wiring Diagram AUDI A8 2013 - Starter - Alternator - Fuse 2

B	Starter
C	Alternator
C1	Voltage regulator
J293	Radiator fan control unit
J671	Radiator fan control unit 2
S42	Radiator fan single fuse, front right in engine compartment
S104	Radiator fan fuse for 2nd speed
S131	Fuse 1
S132	Fuse 2, on right in luggage compartment
T1c	Single connector
T2	2-pin connector
T2hn	2-pin connector, on right in engine compartment, black
T17f	17-pin connector, Coupling station, E-box on right in plenum chamber, black
P2	Positive connection (30), in battery wiring harness
*	see applicable current flow diagram for engine
*2	According to equipment

Wiring Diagram AUDI A8 2013 - Voltage stabiliser - Start/Stop operation fuse

J532	Voltage stabiliser
J623	Engine control unit
R	Radio
S349	Start/Stop operation fuse
T12y	12-pin connector
B299	Positive connection 3 (30), in main wiring harness
B481	Connection 17, in main wiring harness
B660	Connection (diagnosis terminal 50), in main wiring harness
*	Only models with start/stop system
*2	see applicable current flow diagram for engine
*3	According to equipment
*4	Only models with stop/start system
*5	Only models with BOSE sound system
*6	Only models with Bang & Olufsen sound system
*7	Only models with Audi sound system

Wiring Diagram AUDI A8 2013 - Starter motor relay - Terminal 15 voltage supply relay - Terminal 15 voltage supply relay 2 - Starter motor relay 2

J53	Starter motor relay
J329	Terminal 15 voltage supply relay
J393	Convenience system central control unit
J623	Engine control unit
J681	Terminal 15 voltage supply relay 2
J695	Starter motor relay 2
T17g	17-pin connector, Coupling station, E-box on right in plenum chamber, brown
385	Earth connection 20, in main wiring harness
390	Earth connection 25, in main wiring harness
391	Earth connection 26, in main wiring harness
B273	Positive connection (15), in main wiring harness
B276	Positive connection (50), in main wiring harness
B277	Positive connection 1 (15a) in main wiring harness
D97	Connection (50), in engine compartment right wiring harness
*	According to equipment
*2	see applicable current flow diagram for engine
*3	see applicable current flow diagram for convenience system
*4	Only models with start/stop system
*5	From November 2013

Wiring Diagram AUDI A8 2013 - Heated rear window relay - Fuel pump relay - Adaptive suspension compressor relay - Relay for power sockets

J9	Heated rear window relay
J17	Fuel pump relay
J197	Adaptive suspension control unit
J293	Radiator fan control unit
J393	Convenience system central control unit
J403	Adaptive suspension compressor relay
J538	Fuel pump control unit
J671	Radiator fan control unit 2
J807	Relay for power sockets
S41	Heated rear window single fuse
S110	Levelling system fuse
V66	Adaptive suspension compressor motor
Z1	Heated rear window
385	Earth connection 20, in main wiring harness
390	Earth connection 25, in main wiring harness
B275	Positive connection (87), in main wiring harness
*	see applicable current flow diagram for convenience system
*2	see applicable current flow diagram for engine
*3	From November 2013

Wiring Diagram AUDI A8 2013 - Secondary air pump relay - Horn relay - Brake servo relay - Relay for automatic anti-dazzle interior mirror - Secondary air pump fuse

H2	Treble horn
H7	Bass horn
J299	Secondary air pump relay
J413	Horn relay
J519	Onboard supply control unit
J569	Brake servo relay
J623	Engine control unit
J910	Relay for automatic anti-dazzle interior mirror
S130	Secondary air pump fuse
T2gl	2-pin connector
V101	Secondary air pump motor
V192	Vacuum pump for brakes
Y7	Automatic anti-dazzle interior mirror
375	Earth connection 10, in main wiring harness
376	Earth connection 11, in main wiring harness
381	Earth connection 16, in main wiring harness
B490	Connection 26, in main wiring harness
D110	Connection 8 in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Only models with hybrid drive system

Wiring Diagram AUDI A8 2013 - Main relay - Terminal 30 voltage supply relay - Engine component current supply relay

J271	Main relay
J317	Terminal 30 voltage supply relay
J623	Engine control unit
J757	Engine component current supply relay
T17f	17-pin connector, Coupling station, E-box on right in plenum chamber, black
D101	Connection 1 in engine compartment wiring harness
D113	Connection 11 in engine compartment wiring harness
D173	Connection (87), in engine prewiring harness
E89	Positive connection (30a) in engine wiring harness
*	Only models with petrol engine
*2	see applicable current flow diagram for engine
*3	Only models with diesel engine
*4	Only models with 12-cylinder engine

Wiring Diagram AUDI A8 2013 - Fuse holder A

F	Brake light switch
G39	Lambda probe
G130	Lambda probe after catalytic converter
G266	Oil level and oil temperature sender
G285	Lambda probe 3
G287	Lambda probe 3 after catalytic converter
J623	Engine control unit
SA	Fuse holder A
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SA3	Fuse 3 in fuse holder A
SA4	Fuse 4 in fuse holder A
SA5	Fuse 5 in fuse holder A
SA6	Fuse 6 in fuse holder A
SA7	Fuse 7 in fuse holder A
SA8	Fuse 8 in fuse holder A
SA9	Fuse 9 in fuse holder A
SA10	Fuse 10 in fuse holder A
SA11	Fuse 11 in fuse holder A
SA12	Fuse 12 in fuse holder A
T17f	17-pin connector, Coupling station, E-box on right in plenum chamber, black
*	Only models with petrol engine
*2	Only models with 12-cylinder engine
*3	see applicable current flow diagram for engine
*4	Wiring colour depends on equipment

Wiring Diagram AUDI A8 2013 - Fuse holder A

F	Brake light switch
G39	Lambda probe
G70	Air mass meter
G108	Lambda probe 2
G266	Oil level and oil temperature sender
J179	Automatic glow period control unit
J623	Engine control unit
J703	Glow period control unit 2
J881	Control unit for NOx sender 2
SA	Fuse holder A
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SA3	Fuse 3 in fuse holder A
SA4	Fuse 4 in fuse holder A
SA5	Fuse 5 in fuse holder A
SA6	Fuse 6 in fuse holder A
SA7	Fuse 7 in fuse holder A
SA8	Fuse 8 in fuse holder A
SA9	Fuse 9 in fuse holder A
SA10	Fuse 10 in fuse holder A
SA11	Fuse 11 in fuse holder A
SA12	Fuse 12 in fuse holder A
T17f	17-pin connector, Coupling station, E-box on right in plenum chamber, black
D101	Connection 1 in engine compartment wiring harness
*	Only models with diesel engine
*2	Only models with 8-cylinder engine
*3	According to equipment
*4	Wiring colour depends on equipment
*5	see applicable current flow diagram for engine

Wiring Diagram AUDI A8 2013 - Fuse holder B - Fuse carrier 2

G578	Anti-theft alarm sensor
H12	Alarm horn
J126	Fresh air blower control unit
J245	Sliding sunroof adjustment control unit
J392	Rear sliding sunroof control unit
J394	Sunroof roller blind control unit
J528	Roof electronics control unit
SB	Fuse holder B
SB1	Fuse 1 on fuse holder B
ST2	Fuse carrier 2
SB2	Fuse 2 on fuse holder B
SB3	Fuse 3 on fuse holder B
SB4	Fuse 4 on fuse holder B
SB5	Fuse 5 on fuse holder B
SB6	Fuse 6 on fuse holder B
T6as	6-pin connector, in right A-pillar, black
T6au	6-pin connector, under roof trim, black
T8ah	8-pin connector
B272	Positive connection (30), in main wiring harness
B519	Connection (30a, CL/ATA/IR), in main wiring harness
*	Only models with panoramic sliding sunroof
*2	see applicable current flow diagram for basic equipment

Wiring Diagram AUDI A8 2013 - Fuse holder B

J104	ABS control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J872	Control unit for front passenger multicontour seat
SB	Fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
SB10	Fuse 10 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
S123	ABS control unit fuse 1
T17r	17-pin connector, in coupling point for front seat, left
T20c	20-pin connector
T20d	20-pin connector
T23b	23-pin connector, on left A-pillar, black
T27d	27-pin connector, on left B-pillar, black
T47	47-pin connector
B272	Positive connection (30), in main wiring harness
R16	Positive connection 1 (30), in front passenger door wiring harness

Wiring Diagram AUDI A8 2013 - Fuse holder C - Fuse carrier 2

E1	Light switch
E415	Entry and start authorisation switch
JX1	Power and control electronics for electric drive
J389	Rear right door control unit
J527	Steering column electronics control unit
J623	Engine control unit
J764	Control unit for electronic steering column lock
J898	Control unit for Head-up Display
SC	Fuse holder C
SC1	Fuse 1 on fuse holder C
ST2	Fuse carrier 2
SC2	Fuse 2 on fuse holder C
SC3	Fuse 3 on fuse holder C
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC6	Fuse 6 on fuse holder C
SC7	Fuse 7 on fuse holder C
SC8	Fuse 8 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC10	Fuse 10 on fuse holder C
T16d	16-pin connector
T17g	17-pin connector, Coupling station, E-box on right in plenum chamber, brown
T17l	17-pin connector, in 7 slot relay carrier, black
T20e	20-pin connector
T27c	27-pin connector, on right B-pillar, black
B298	Positive connection 2 (30), in main wiring harness
*	see applicable current flow diagram for engine
*2	see applicable current flow diagram for basic equipment
*3	Only models with hybrid drive system
*4	From September 2013
*5	Only models with heated steering wheel
*6	Up to August 2013

Wiring Diagram AUDI A8 2013 - Fuse holder C - Driver seat adjustment thermal fuse 1

G397	Rain and light sensor
J136	Seat and steering column adjustment control unit with memory
J519	Onboard supply control unit
J866	Control unit for electrically adjustable steering column
SC	Fuse holder C
SC11	Fuse 11 on fuse holder C
SC12	Fuse 12 on fuse holder C
SC13	Fuse 13 on fuse holder C
SC14	Fuse 14 on fuse holder C
SC15	Fuse 15 on fuse holder C
SC16	Fuse 16 on fuse holder C
S44	Driver seat adjustment thermal fuse 1
T6n	6-pin connector, behind steering column trim
T16	16-pin connector
T18a	18-pin connector
B298	Positive connection 2 (30), in main wiring harness
B315	Positive connection 1 (30a) in main wiring harness
*	see applicable current flow diagram for basic equipment
*2	Diagnostic connection

Wiring Diagram AUDI A8 2013 - Fuse holder C - Fuse carrier 3

J386	Driver door control unit
J400	Wiper motor control unit
J519	Onboard supply control unit
J873	Control unit for driver multicontour seat
SC	Fuse holder C
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
ST3	Fuse carrier 3
SC3	Fuse 3 on fuse holder C
SC4	Fuse 4 on fuse holder C
SC5	Fuse 5 on fuse holder C
SC6	Fuse 6 on fuse holder C
T17q	17-pin connector, in coupling point for front seat, right
T20b	20-pin connector
T23a	23-pin connector, on right A-pillar, black
B298	Positive connection 2 (30), in main wiring harness
R60	Positive connection (30a), in driver door wiring harness
*	see applicable current flow diagram for basic equipment

Wiring Diagram AUDI A8 2013 - Fuse holder C

J217	Automatic gearbox control unit
J389	Rear right door control unit
J519	Onboard supply control unit
J792	Active steering control unit
SC	Fuse holder C
SC7	Fuse 7 on fuse holder C
SC8	Fuse 8 on fuse holder C
SC9	Fuse 9 on fuse holder C
SC10	Fuse 10 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC12	Fuse 12 on fuse holder C
T5f	5-pin connector
T17f	17-pin connector, Coupling station, E-box on right in plenum chamber, black
T17p	17-pin connector, in 7 slot relay carrier, white
T20e	20-pin connector
T27c	27-pin connector, on right B-pillar, black
B298	Positive connection 2 (30), in main wiring harness
*	see applicable current flow diagram for automatic gearbox
*2	see applicable current flow diagram for basic equipment

Wiring Diagram AUDI A8 2013 - Fuse holder F - Fuse carrier 1

E256	Button for TCS and electronic stabilisation program
J197	Adaptive suspension control unit
J431	Headlight range control unit
J446	Parking aid control unit
J519	Onboard supply control unit
J527	Steering column electronics control unit
J533	Data bus diagnostic interface
J745	Control unit for cornering light and headlight range control
J791	Park assist steering control unit
J849	Control unit for sensor electronics
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF1	Fuse 1 in fuse holder F
ST1	Fuse carrier 1
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T9a	9-pin connector
T16	16-pin connector
T16d	16-pin connector
T32f	32-pin connector
B279	Positive connection 3 (15a) in main wiring harness
*	According to equipment
*2	see applicable current flow diagram for basic equipment
*3	see applicable current flow diagram for ABS
*4	Diagnostic connection
*5	From September 2013

Wiring Diagram AUDI A8 2013 - Fuse holder F

E284	Garage door operating unit
J234	Airbag control unit
J492	All-wheel drive control unit
J530	Garage door operation control unit
J540	Control unit for electromechanical parking brake
J853	Control unit for night vision system
J897	Control unit for air ionisation system
K145	Front passenger side airbag deactivated warning lamp
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
Z20	Left washer jet heater element
Z21	Right washer jet heater element
B278	Positive connection 2 (15a) in main wiring harness
B282	Positive connection 6 (15a) in main wiring harness
*	see applicable current flow diagram for airbag
*2	Up to August 2013
*3	From November 2014

Wiring Diagram AUDI A8 2013 - Fuse holder F

E540	Auto-hold button
J7	Battery isolation relay
J345	Trailer detector control unit
J393	Convenience system central control unit
J500	Power steering control unit
J587	Selector lever sensors control unit
J698	Refrigerator box
J792	Active steering control unit
J882	Seat heating control unit
J910	Relay for automatic anti-dazzle interior mirror
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T8d	8-pin connector
T10f	10-pin connector
T17p	17-pin connector, in 7 slot relay carrier, white
Y7	Automatic anti-dazzle interior mirror
B281	Positive connection 5 (15a) in main wiring harness
B486	Connection 22, in main wiring harness
*	Only models with heated rear seats
*2	Only models with hybrid drive system
*3	According to equipment
*4	Gradually discontinued
*5	gradual introduction
*6	From September 2013

Wiring Diagram AUDI A8 2013 - Fuse holder F

A31	Output module 1 for left LED headlight
A44	Output module for left matrix headlight
J217	Automatic gearbox control unit
J431	Headlight range control unit
J623	Engine control unit
J667	Output module for left headlight
J769	Lane change assist control unit
J770	Lane change assist control unit 2
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF13	Fuse 13 in fuse holder F
SF14	Fuse 14 in fuse holder F
SF15	Fuse 15 in fuse holder F
SF16	Fuse 16 in fuse holder F
T10e	10-pin connector, behind rear bumper on right
T12m	12-pin connector
T12n	12-pin connector
T17g	17-pin connector, Coupling station, E-box on right in plenum chamber, brown
T26	26-pin connector
X171	Connection (15), rear bumper wiring harness
*	see applicable current flow diagram for engine
*2	According to equipment
*3	Only models with hybrid drive system

Wiring Diagram AUDI A8 2013 - Fuse holder F - Fuse carrier 2

J104	ABS control unit
J623	Engine control unit
J851	Image processing control unit
J852	Camera control unit
J854	Control unit for front left belt tensioner
J855	Control unit for front right belt tensioner
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
ST2	Fuse carrier 2
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
T4au	4-pin connector
T4b	4-pin connector
T12o	12-pin connector
T12p	12-pin connector
T47	47-pin connector
B163	Positive connection 1 (15), in interior wiring harness
B474	Connection 10, in main wiring harness
B555	Positive connection 2 (50), in main wiring harness
B626	Positive connection 2 (15), in main wiring harness
*	see applicable current flow diagram for airbag
*2	Only models with adaptive cruise control (ACC)
*3	see applicable current flow diagram for engine
*4	Only models with hybrid drive system
*5	According to equipment
*6	Only models with start/stop system

Wiring Diagram AUDI A8 2013 - Fuse holder F

A27	Output module 1 for right LED headlight
A45	Output module for right matrix headlight
J104	ABS control unit
J668	Output module for right headlight
J869	Control unit for structure-borne sound
J931	Power unit mounting control unit
N79	Heater element for crankcase breather
N483	Heater element 2 for crankcase breather
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF6	Fuse 6 in fuse holder F
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
T17h	17-pin connector, Coupling station, E-box on right in plenum chamber, red
T47	47-pin connector
V470	Electrical air conditioner compressor
*	According to equipment
*2	Only models with diesel engine
*3	see applicable current flow diagram for engine
*4	Only models with hybrid drive system

Wiring Diagram AUDI A8 2013 - Fuse holder F

AX1	Hybrid battery unit
G238	Air quality sensor
G395	Refrigerant pressure and temperature sender
G657	Humidity sender in fresh air intake duct
JX1	Power and control electronics for electric drive
J217	Automatic gearbox control unit
J428	Adaptive cruise control unit
J850	Control unit 2 for adaptive cruise control
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T3bd	3-pin connector
T3be	3-pin connector
T4h	4-pin connector, in front bumper on left
T8a	8-pin connector
T8b	8-pin connector
T17g	17-pin connector, Coupling station, E-box on right in plenum chamber, brown
B280	Positive connection 4 (15a) in main wiring harness
C45	Positive connection 1 (15), in front wiring harness
*	see applicable current flow diagram for automatic gearbox
*2	Only models with hybrid drive system

Wiring Diagram AUDI A8 2013 - Fuse holder F - Fuse carrier 3

E265	Operating and display unit for rear air conditioning system
E538	Electromechanical parking brake button
J255	Climatronic control unit
J388	Rear left door control unit
J849	Control unit for sensor electronics
J909	Control unit for fuel tank leak detection
R126	Telephone bracket
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
ST3	Fuse carrier 3
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T4cl	4-pin connector, in centre console
T5c	5-pin connector
T5p	5-pin connector
T12q	12-pin connector
T17w	17-pin connector, in coupling point for rear centre armrest, black
T27d	27-pin connector, on left B-pillar, black
T50	50-pin connector
*	Only for American markets
*2	see applicable current flow diagram for air conditioning
*3	Up to August 2013
*4	According to equipment

Wiring Diagram AUDI A8 2013 - Fuse holder F

J533	Data bus diagnostic interface
J676	Chip card reader control unit
J698	Refrigerator box
R86	Aerial amplifier for mobile telephone
R126	Telephone bracket
R151	Rear charger unit for telephone
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
T4cm	4-pin connector
T8h	8-pin connector
T12f	12-pin connector, on left in luggage compartment
T32f	32-pin connector
T32p	32-pin connector
B316	Positive connection 2 (30a) in main wiring harness
*	Only models with interface for special functions
*2	Only models with Bluetooth
*3	Only models with equipment for Japan
*4	Not for American markets
*5	Only models with preparation for mobile telephone
*6	From September 2013

Wiring Diagram AUDI A8 2013 - Fuse holder F

J393	Convenience system central control unit
J540	Control unit for electromechanical parking brake
J587	Selector lever sensors control unit
J773	Convenience system central control unit 2
J931	Power unit mounting control unit
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
SF13	Fuse 13 in fuse holder F
SF14	Fuse 14 in fuse holder F
SF15	Fuse 15 in fuse holder F
SF16	Fuse 16 in fuse holder F
T10f	10-pin connector
T12ag	12-pin connector
T17e	17-pin connector
T30a	30-pin connector
*	see applicable current flow diagram for engine

Wiring Diagram AUDI A8 2013 - Fuse holder F - Fuse carrier 4

J197	Adaptive suspension control unit
J938	Rear lid power opening control unit
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
ST4	Fuse carrier 4
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T3bo	3-pin connector
T3br	3-pin connector
T9a	9-pin connector
U1	Cigarette lighter
U5	12 V socket
U9	Rear cigarette lighter
U13	DC/AC converter with socket, 12 V - 230 V
U18	12 V socket 2
U19	12 V socket 3
B300	Positive connection 4 (30), in main wiring harness
B318	Positive connection 4 (30a) in main wiring harness
B319	Positive connection 5 (30a) in main wiring harness
*	see applicable current flow diagram for basic equipment
*2	see applicable current flow diagram for convenience system
*3	Only models with hybrid drive system
*4	According to equipment

Wiring Diagram AUDI A8 2013 - Fuse holder F

E265	Operating and display unit for rear air conditioning system
J391	Rear fresh air blower control unit
J393	Convenience system central control unit
J540	Control unit for electromechanical parking brake
J605	Rear lid control unit
J882	Seat heating control unit
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T4do	4-pin connector
T17d	17-pin connector
T17v	17-pin connector, in coupling point for rear centre armrest, red
T30a	30-pin connector
B322	Positive connection 8 (30a) in main wiring harness
*	Only models with heated rear seats
*2	see applicable current flow diagram for air conditioning
*3	According to equipment

Wiring Diagram AUDI A8 2013 - Fuse holder F - Fuse carrier 5

E660	Switch for rear multicontour seat, driver side
E661	Switch for rear multicontour seat, front passenger side
E662	Remote control for rear legroom function
J345	Trailer detector control unit
J875	Control unit for rear multicontour seat, driver side
J876	Control unit for rear seat adjustment, driver side
J937	Fan enabling relay
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
ST5	Fuse carrier 5
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T17s	17-pin connector, in coupling point for rear seat, left, red
T17w	17-pin connector, in coupling point for rear centre armrest, black
B321	Positive connection 7 (30a) in main wiring harness
*	According to equipment
*2	Only models with trailer socket
*3	Only models with hybrid drive system
*4	From September 2013

Wiring Diagram AUDI A8 2013 - Fuse holder F

AX1	Hybrid battery unit
J345	Trailer detector control unit
J874	Control unit for rear multicontour seat, front passenger side
J877	Control unit for rear seat adjustment, passenger side
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T17t	17-pin connector, in coupling point for rear seat, right, red
*	Only models with trailer socket
*2	Only models with hybrid drive system

Wiring Diagram AUDI A8 2013 - Fuse holder F - Fuse carrier 6

E499	Multimedia system operating unit 2
J525	Digital sound package control unit
J787	Digital sound package control unit 2
J829	Control unit 2 for information electronics
R	Radio
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
ST6	Fuse carrier 6
T10h	10-pin connector
T32g	32-pin connector
T38	38-pin connector
Y22	Multimedia system display unit 1
Y23	Multimedia system display unit 2
B301	Positive connection 5 (30), in main wiring harness
B317	Positive connection 3 (30a) in main wiring harness
*	Only models with Bang & Olufsen sound system
*2	Only models with BOSE sound system
*3	Only models with Audi sound system

Wiring Diagram AUDI A8 2013 - Fuse holder F

J502	Tyre Pressure Monitoring System control unit
R161	DVD changer
S134	Fuse 4
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
T8e	8-pin connector
T12aw	12-pin connector
B301	Positive connection 5 (30), in main wiring harness
B302	Positive connection 6 (30), in main wiring harness
*	Only models with hybrid drive system
*2	From September 2013
*3	Only models with rear final drive - sport differential
*4	According to equipment

Wiring Diagram AUDI A8 2013 - Fuse holder F

J285	Control unit in dash panel insert
J794	Control unit 1 for information electronics
J929	Touchpad control unit
R78	TV tuner
R171	Digital TV tuner
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF9	Fuse 9 in fuse holder F
T17n	17-pin connector, in coupling point in interior, left, grey
Y	Analogue clock
A1	Positive connection (30a), in dash panel wiring harness
A164	Positive connection 2 (30a) in dash panel wiring harness
B301	Positive connection 5 (30), in main wiring harness
*	see applicable current flow diagram for basic equipment
*2	see applicable current flow diagram for MMI (information electronics)
*3	According to equipment
*4	Only models with stop/start system

Wiring Diagram AUDI A8 2013 - Fuse holder F

J685	Display unit for front information display and operating unit control unit
J772	Reversing camera system control unit
J928	Control unit for overhead view camera
R	Radio
SF	Fuse holder F, on relay and fuse carrier, on right in luggage compartment
SF10	Fuse 10 in fuse holder F
SF11	Fuse 11 in fuse holder F
SF12	Fuse 12 in fuse holder F
T8s	8-pin connector
T10h	10-pin connector
T17n	17-pin connector, in coupling point in interior, left, grey
*	Only models with Bang & Olufsen sound system
*2	According to equipment
*3	gradual introduction

AUDI A8 2013 Overview of control units

Overview of control units

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Fitting location and connectors, right-hand drive

Roof electronics control unit -J528-

q	Components: -T8ah- , -E326- , -E633- , -E634- , -W65- , -W66- , -E635- , -E636- , -E8- , -G273- , -G384- , -E325- , -E584- , -E585- , -R164-

q	Fitting location and connectors

Sliding sunroof adjustment control unit -J245- /sliding sunroof motor -V1-

q	Fitting location and connectors

Control unit for front left belt tensioner -J854- /control unit for front right belt tensioner -J855-

q	Fitting location and connectors

q	Connector assignment

q	Fitting location and connectors, right-hand drive

q	Fitting location and connectors, right-hand drive

q	Assignment from model year 2014

q	Connector assignment

Control unit in dash panel insert -J285-

q	Components: -K1- , -K47- , -K261- , -Y24- , -K75- , -K104- , -K149- , -G1- , -K262-

q	Fitting location and connectors

Power steering control unit -J500-

q	Components: -V187- , -G269-

q	Fitting location and connectors

Left gas discharge bulb control unit -J343-

q	Components: -J667- , -V294- , -V295- , -A31- , -A32- , -A33- , -A34- , -A35- , -J860- , -L176- , -L148- , -M5- , -M33- , -G695- , -V48- , -V318- , -L13- , -A44- , -A45- , -M30- , -G832- , -G702- , -G703- , -V407- , -J892- , -M51- , -M92- , -L207- , -M29-

q	Fitting location and connectors, GDL headlight

q	Fitting location and connectors, LED headlight/LED headlight with matrix beam

Radiator fan control unit -J293-Radiator fan control unit 2 -J671-

q	Components: -V7- , -V177-

q	Fitting location and connectors

Right gas discharge bulb control unit -J344-

q	Components: -J668- , -A27- , -A28- , -A29- , -A30- , -A36- , -L14- , -L177- , -M7- , -M34- , -J861- , -L149- , -V49- , -V319- , -G696- , -M32- , -G833- , -G704- , -G705- , -V408- , -J893- , -M52- , -M93- , -L208- , -M31-

q	Fitting location and connectors, GDL headlight

q	Fitting location and connectors, LED headlight/LED headlight with matrix beam

33 -	Control unit for NOx sender -J583- , V8 TDI

q	Fitting location and connectors

AUDI A8 2013 Fitting location, onboard supply control unit J519 Fitting location, onboard supply control unit -J519- Fitting location, left-hand drive

Behind dash panel on driver side -1- . Connectors

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2 -	6-pin connector -T6a- , black, connector G

4 -	17-pin connector -T17a- , brown, connector E

6 -	16-pin connector -T16c- , brown, connector C

.

Fitting location, right-hand drive

   

Behind dash panel on driver side -1- . Connectors

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1 -	32-pin connector -T32a- , grey, connector A

2 -	6-pin connector -T6a- , black, connector G

3 -	17-pin connector -T17b- , black, connector D

4 -	17-pin connector -T17a- , brown, connector E

5 -	17-pin connector -T17c- , red, connector F

6 -	16-pin connector -T16c- , brown, connector C

7 -	32-pin connector -T32b- , black, connector B

. AUDI A8 2013 Fitting location, garage door operation control unit J530 Fitting location, garage door operation control unit -J530- Fitting location

Behind front bumper cover on left -1- . Connector

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.

AUDI A8 2013 Fitting location, engine control unit 2 J624

Fitting location, engine control unit 2 -J624-

Fitting location

   

On left in plenum chamber -2- . Connectors Engine control unit 2 -J624- with 154-pin connector

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A -	Engine control unit 2 -J624-

2 -	94-pin connector -T94a- , black

Engine control unit 2 -J624- with 196-pin connector

1 -	Engine control unit 2 -J624-

B -	91-pin connector -T91- , black

Back to overview . AUDI A8 2013 Fitting location, engine control unit J623 Fitting location, engine control unit -J623- Fitting location

At centre in plenum chamber -1- . Engine control unit -J623- with 154-pin connector

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A -	Engine control unit -J623-

2 -	94-pin connector -T94- , black

Engine control unit -J623- with 196-pin connector

A -	Engine control unit -J623-

1 -	105-pin connector -T105- , black

2 -	91-pin connector -T91- , black

Back to overview . AUDI A8 2013 Fitting location, active steering control unit J792 Fitting location, active steering control unit -J792- Fitting location, left-hand drive

In driver footwell, in front of seat -1- . Connectors

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A -	Active steering control unit -J792-

2 -	8-pin connector -T8d- , black

3 -	5-pin connector -T5f- , black, Active steering motor -V477-

Back to overview . Fitting location, right-hand drive

In driver footwell, in front of seat -1- . Connectors

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A -	Active steering control unit -J792-

1 -	10-pin connector -T10i- , black

2 -	8-pin connector -T8d- , black

3 -	5-pin connector -T5f- , black, Active steering motor -V477-

Back to overview . AUDI A8 2013 Fitting location, control unit for night vision system J853 Fitting location, control unit for night vision system -J853- Fitting location

In footwell, in front of left seat -2- . Connectors

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A -	Control unit for night vision system -J853-

2 -	12-pin connector -T12l- , black

Back to overview . AUDI A8 2013 Fitting location, image processing control unit J851 Fitting location, image processing control unit -J851- Fitting location, left-hand drive

In front passenger footwell, in front of seat -1- Connectors

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A -	Image processing control unit -J851-

2 -	5-pin connector -T5n- , black, camera control unit -J852-

Fitting location, right-hand drive

In front passenger footwell, in front of seat -1- . Connectors

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A -	Image processing control unit -J851-

1 -	12-pin connector -T12p- , black

2 -	5-pin connector -T5n- , black, camera control unit -J852-

Back to overview . AUDI A8 2013 Fitting location, control unit for sensor electronics J849 Fitting location, control unit for sensor electronics -J849- Fitting location

Under centre console at front -1- . Connector

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A -	50-pin connector -T50- , ivory

Back to overview . AUDI A8 2013 Fitting location, ABS control unit J104 Fitting location, ABS control unit -J104- Fitting location

On right in plenum chamber -1- . Connector

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A -	ABS control unit -J104-

1 -	47-pin connector -T47- , black

Back to overview . AUDI A8 2013 Fitting location, front passenger door control unit J387 Fitting location, front passenger door control unit -J387- Fitting location

In front passenger door -1- .   Note: Illustration shows right-hand drive model. Connectors

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A -	Front passenger door control unit -J387-

2 -	20-pin connector -T20c- , black

4 -	32-pin connector -T32m- , blue

Back to overview . AUDI A8 2013 Fitting location, airbag control unit J234 Fitting location, airbag control unit -J234- Fitting location

Under centre console at rear -1- . Connector

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A -	100-pin connector -T100- , yellow

Back to overview . AUDI A8 2013 Fitting location, driver door control unit J386 Fitting location, driver door control unit -J386- Fitting location

In driver door -1- .   Note: Illustration shows left-hand drive model. Connectors

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A -	Driver door control unit -J386-

2 -	20-pin connector -T20b- , black

4 -	32-pin connector -T32k- , blue

Back to overview . AUDI A8 2013 Fitting location, control unit for electrically adjustable steering column J866 Fitting location, control unit for electrically adjustable steering column -J866- Fitting location

On steering column -1- . Connector

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A -	Control unit for electrically adjustable steering column -J866-

1 -	18-pin connector -T18a- , black

Back to overview . AUDI A8 2013 Fitting location, control unit for electronic steering column lock J764 Fitting location, control unit for electronic steering column lock -J764- Fitting location

On steering column -2- . Connector

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A -	Control unit for electronic steering column lock -J764-

1 -	6-pin connector -T6z- , black

Back to overview . AUDI A8 2013 Fitting location, adaptive cruise control unit J428 Fitting location, adaptive cruise control unit -J428- Fitting location

Under right headlight -1- . Connector

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A -	Adaptive cruise control unit -J428-

1 -	8-pin connector -T8a- , black

Back to overview . AUDI A8 2013 Fitting location, control unit 2 for adaptive cruise control J850 Fitting location, control unit 2 for adaptive cruise control -J850- Fitting location

Under left headlight -1- . Connector

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A -	Control unit 2 for adaptive cruise control -J850-

1 -	8-pin connector -T8b- , black

Back to overview . AUDI A8 2013 Fitting location, Tyre Pressure Monitoring System control unit J502 Fitting location, Tyre Pressure Monitoring System control unit -J502- Fitting location

Under front right (seat) floor -2- . Item -1-Image processing control unit -J851- . Connector

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A -	Tyre Pressure Monitoring System control unit -J502-

1 -	12-pin connector -T12aw- , black

Back to overview . AUDI A8 2013 Fitting location, roof electronics control unit J528 Fitting location, roof electronics control unit -J528- Fitting location

In front interior light -W1--1- . Connectors up to model year 2013

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B -	Anti-theft alarm sensor -G578-

D -	4-pin connector -T4dq- , black

Connectors from model year 2014

1 -	Front interior light -W1-

q	with: microphone unit in front roof module -R164- , anti-theft alarm sensor -G578- , sunroof switch -E8- , interior monitoring sensor -G273- , vehicle inclination sender -G384- , sunroof button -E325- , button 1 for roof roller blind -E584- , button 2 for roof roller blind -E585-

A -	6-pin connector -T6k- , blue, microphone unit in front roof module -R164-

B -	4-pin connector -T4dq- , black, anti-theft alarm sensor -G578-

C -	6-pin connector -T6au- , brown

Back to overview . AUDI A8 2013 Fitting location, power steering control unit J500 Fitting location, power steering control unit -J500- Fitting location

On steering box -1- . Connectors

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A -	Power steering control unit -J500-

q	with: electromechanical power steering motor -V187- , steering moment sender -G269-

2 -	6-pin connector -T6bv- , black

3 -	Connection for steering moment sender -G269-

Back to overview . AUDI A8 2013 Fitting location, steering column electronics control unit J527 Fitting location, steering column electronics control unit -J527- Fitting location On steering column, at steering column switch. Front

B -	2-pin connector -T2dm- , black

D -	13-pin connector -T13b- , black

E -	Steering column electronics control unit -J527-

q

with light switch -E2- , headlight flasher switch -E5- , cruise control system switch -E45- , intermittent wiper switch -E22- , steering angle sender -G85- , coil connector -F350- , steering wheel heater button -E522- , steering column adjustment switch -E167- , lane departure warning button -E517- , airbag coil connector and return ring with slip ring -F138-

Back

A -	Steering column electronics control unit -J527-

F -	16-pin connector -T16d- , black

E -	4-pin connector -T4ap- , black

Back to overview . AUDI A8 2013 Fitting location, power unit mounting control unit J931 Fitting location, power unit mounting control unit -J931- Fitting location Behind left wheel housing liner.

A -	Power unit mounting control unit -J931-

B -	28-pin connector -T28- , black

Back to overview . Fitting location, control unit for structure-borne sound -J869- Fitting location Under left front seat.

A -	Control unit for structure-borne sound -J869-

B -	6-pin connector -T6bp- , black

Back to overview . AUDI A8 2013 Fitting location, control unit for wiper motor J400 Fitting location, control unit for wiper motor -J400- Fitting location In driver side plenum chamber.

A -	Wiper motor control unit -J400-

q	with windscreen wiper motor -V-

B -	4-pin connector -T4ek- , black

Back to overview . AUDI A8 2013 Fitting location, auxiliary heater control unit J364 Fitting location, auxiliary heater control unit -J364- Fitting location At front of right longitudinal member.

B -	2-pin connector -T2ia- , brown

C -	Auxiliary heater control unit -J364-

q	with: temperature sensor 2 for supplementary and auxiliary heating -G587- , flame monitor -G64- , temperature sensor -G18- , glow plug heater -Q9- , -V6- , fuel pre-heating heater element -Z66-

Back to overview . AUDI A8 2013 Fitting location, radiator fan control unit -J293- /radiator fan control unit 2 -J671- Fitting location At front of radiator.

1 -	Radiator fan control unit 2 -J671-

q	Radiator fan 2 -V177-

2 -	Radiator fan control unit -J293-

q	Radiator fan -V7-

4 -	4-pin connector -T4e- , black

Back to overview . AUDI A8 2013 Fitting location, control unit in dash panel insert J285 Fitting location, control unit in dash panel insert -J285- Fitting location In driver side dash panel.

B -	2-pin connector -T2gd- , MOST bus, black

C -	Control unit in dash panel insert -J285-

q

with: main beam warning lamp -K1- , ABS warning lamp -K47- , warning lamp for left turn signal -K261- , display in dash panel insert -Y24- , airbag warning lamp -K75- , diesel electronics warning lamp -K104- , engine electronics warning lamp -K149- , fuel gauge -G1- , warning lamp for right turn signal -K262-

Back to overview . AUDI A8 2013 Fitting location of control units on interior mirror Fitting location of control units on interior mirror Fitting location At front of roof side member.

1 -	Camera control unit -J852-

q	Fitting location and connectors

2 -	Automatic anti-dazzle interior mirror -Y7-

q	with rain and light sensor -G397- , light sensor -G399-

3 -	Humidity sender -G355-

4 -	Main beam assist control unit -J844-

Back to overview . Fitting location, camera control unit -J852- Fitting location

At top centre of windscreen -1- . Connectors

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A -	Camera control unit -J852-

2 -	12-pin connector -T12o- , black

Back to overview . AUDI A8 2013 Fitting location, left gas discharge bulb control unit -J343- /right gas discharge bulb control unit -J344- Fitting location At headlight.

1 -	Output module for left headlight -J667- /output module for right headlight -J668-

2 -	Left gas discharge bulb control unit -J343- /right gas discharge bulb control unit -J344-

14-pin connector -T14f- /14-pin connector -T14e-

q

in headlight: left LED module for daytime running light and side light -L176- , left cornering light bulb -L148- , control unit for left daytime running light and side light -J860- , left gas discharge bulb control unit -L13- , front left turn signal bulb -M5- , front left side marker bulb -M33- , control motor sender for left VARILIS headlight -G695- , output module 2 for left headlight -J892- , left headlight range control motor -V48- , left dynamic cornering light control motor -V318- , control unit for right daytime running light and side light -J861- , right gas discharge bulb -L14- , right cornering light bulb -L149- , right LED module for daytime running light and side light -L177- , front right turn signal bulb -M7- , front right side marker bulb -M34- , control motor sender for right VARILIS headlight -G696- , output module 2 for right headlight -J893- , right headlight range control motor -V49- , right dynamic cornering light control motor -V319-

Back to overview . AUDI A8 2013 Fitting location, output module 1 for left LED headlight -A31- /output module 1 for right LED headlight -A27- Fitting location At headlight.

1 -	Output module 1 for left LED headlight -A31- /output module 1 for right LED headlight -A27- /output module for left matrix headlight -A44- /output module for right matrix headlight -A45-

2 -	Output module 2 for left LED headlight -A32- /output module 2 for right LED headlight -A28- /output module 4 for left LED headlight -A34- /output module 4 for right LED headlight -A30- /output module 5 for left LED headlight -A35- /output module 5 for right LED headlight -A36-

3 -	Output module 3 for left LED headlight -A33- /output module 3 for right LED headlight -A29-

4 -	14-pin connector -T14f- /14-pin connector -T14e-

q

in headlight with matrix beam: left LED module for daytime running light and side light -L176- , left headlight main beam bulb -M30- , temperature sender 3 for left headlight -G832- , temperature sender 1 for left headlight -G702- , temperature sender 2 for left headlight -G703- , left headlight fan -V407- , right LED module for daytime running light and side light -L177- , right headlight main beam bulb -M32- , temperature sender 3 for right headlight -G833- , temperature sender 1 for right headlight -G704- , temperature sender 2 for right headlight -G705- , right headlight fan -V408-

Back to overview . AUDI A8 2013 Fitting location, control unit for front left belt tensioner -J854- /control unit for front right belt tensioner -J855- Fitting location In lower part of B-pillars -1- .

1 -	Control unit for front left belt tensioner -J854- /control unit for front right belt tensioner -J855-

4-pin connector -T4b- /4-pin connector -T4au-

5-pin connector -T5g- /5-pin connector -T5h-

Connector assignment, control unit for front left belt tensioner -J854-

-T4b- (A)	Designation		-T5g- (B)	Designation
1	CAN bus extended, high B668 connection 2 (CAN bus extended, high) in main wiring harness B670 connection 3 (CAN bus extended, high) in main wiring harness Wiring junction for CAN bus extended, high -TV41-		1	Airbag control unit -J234-
2	CAN bus extended, low B669 connection 2 (CAN bus extended, low) in main wiring harness B671 connection 3 (CAN bus extended, low) in main wiring harness Wiring junction for CAN bus extended, low -TV42-		2	Airbag control unit -J234-
3	Terminal 31, to 369 earth connection 4 in main wiring harness 34 earth point under driver seat		3
4	Terminal 15, from fuse holder F -SF-		4	Airbag control unit -J234-
			5	Airbag control unit -J234-

Connector assignment, control unit for front right belt tensioner -J855-

-T4au- (A)	Designation		-T5h- (B)	Designation
1	CAN bus extended, high B108 connection 1 (CAN bus extended, high) in main wiring harness Wiring junction for CAN bus extended, high -TV41-		1	Airbag control unit -J234-
2	CAN bus extended, low B109 connection 1 (CAN bus extended, low) in main wiring harness Wiring junction for CAN bus extended, low -TV42-		2	Airbag control unit -J234-
3	Terminal 31, to 396 earth connection 31 in main wiring harness 35 earth point under front passenger seat		3
4	Terminal 15, from fuse holder F -SF-		4	Airbag control unit -J234-
			5	Airbag control unit -J234-

Back to overview . AUDI A8 2013 Fitting location, sliding sunroof adjustment control unit -J245- /sliding sunroof motor -V1- Fitting location Behind front interior light -W1--1- .

1 -	Sliding sunroof adjustment control unit -J245- /sliding sunroof motor -V1-

A -	10-pin connector -T10am-

Connector assignment, sliding sunroof adjustment control unit -J245-

-T10am- (A)	Designation		-T10am- (A)	Designation
1	LIN bus, B577 connection (LIN bus) in roof wiring harness B528 connection 1 (LIN bus) in main wiring harness B698 connection 3 (LIN bus) in main wiring harness Convenience system central control unit -J393-		6	Sunroof switch -E8-
2			7	Sunroof switch -E8-
3			8
4	Sunroof switch -E8-		9	Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof
5	Terminal 30, from fuse holder C -SC-		10	Terminal 30, from B591 positive connection 1 (30a) in main wiring harness Fuse holder F -SC-

Back to overview . AUDI A8 2013 Fitting location, control unit for NOx sender -J583- , V6 TDI Fitting location In front right underbody -1- .

1 -	Control unit for NOx sender -J583-

A -	5-pin connector -T5aw- , black

Connector assignment, control unit for NOx sender -J583-

-T5aw- (A)	Designation
1	Terminal 87, from B326 positive connection 12 (30a) in main wiring harness Fuse holder A -SA-
2	Terminal 31, to 370 earth connection 5 in main wiring harness 396 earth connection 31 in main wiring harness 35 earth point under front passenger seat
3	CAN bus, low B394 connection 5 (powertrain CAN bus, low) in main wiring harness D179 connection 2 (low bus) in engine compartment wiring harness Engine control unit -J623-
4	CAN bus, high B387 connection 5 (powertrain CAN bus, high) in main wiring harness D178 connection 2 (high bus) in engine compartment wiring harness Engine control unit -J623-
5	Terminal 31, to 370 earth connection 5 in main wiring harness 396 earth connection 31 in main wiring harness 35 earth point under front passenger seat

Back to overview . AUDI A8 2013 Fitting location, control unit for NOx sender -J583- , V8 TDI Fitting location In rear centre of engine compartment. On gearbox crossmember -1- .

1 -	Control unit for NOx sender -J583-

A -	5-pin connector -T5av- , black

Connector assignment, control unit for NOx sender -J583-

-T5av- (A)	Designation
1	Terminal 87, from D189 connection (87a) in engine prewiring harness Fuse holder A -SA-
2	Terminal 31, to 85 earth connection 1 in engine compartment wiring harness 380 earth connection 15 in main wiring harness 43 earth point at bottom of right A-pillar
3	CAN bus, low D179 connection 2 (low bus) in engine compartment wiring harness Engine control unit -J623-
4	CAN bus, high D178 connection 2 (high bus) in engine compartment wiring harness Engine control unit -J623-
5

Back to overview . AUDI A8 2013 Fitting location, control unit for heads-up display J898 Fitting location, control unit for heads-up display -J898- Fitting location In front of dash panel on driver side -1- .

1 -	Control unit for heads-up display -J898-

Connector assignment for control unit for heads-up display -J898-

   

-T10bh- (A)	Designation		-T10bh- (A)	Designation
1	Dash panel insert CAN bus, high B674 connection 3 (running gear/dash panel insert CAN bus, high) in main wiring harness A204 connection (dash panel insert CAN bus, high) in dash panel wiring harness Data bus diagnostic interface -J533-		6
2	Dash panel insert CAN bus, low B678 connection 3 (running gear/dash panel insert CAN bus, low) in main wiring harness A205 connection (dash panel insert CAN bus, low) in dash panel wiring harness Data bus diagnostic interface -J533-		7
3			8
4	Terminal 30, B330 positive connection 16 (30a) in main wiring harness Fuse holder C -SC-		9	Terminal 31, 375 earth connection 10 in main wiring harness 376 earth connection 11 in main wiring harness 639 earth point on left A-pillar
5	Terminal 30, B330 positive connection 16 (30a) in main wiring harness Fuse holder C -SC-		10	Terminal 31, 375 earth connection 10 in main wiring harness 376 earth connection 11 in main wiring harness 639 earth point on left A-pillar

Back to overview . AUDI A8 2013 Fitting location, control unit 1 for information electronics J794 Fitting location, control unit 1 for information electronics -J794- Fitting location At centre of dash panel -1- .

1 -	Control unit 1 for information electronics -J794-

D -	8-pin connector -T8p- , black

E -	not assigned

G -	12-pin connector -T12e- , blue

J -	2-pin connector -T2ak- , MOST bus, black

L -	4-pin connector -T4cn- , brown, connection for external audio sources -R199-

M -	not assigned

N -	not assigned

O -	not assigned

Connector assignment, control unit 1 for information electronics -J794-

   

-T8p- (D)	Designation		-T8q- (H)	Designation
9	Telephone bracket -R126-		1
10	Multimedia system operating unit -E380-		2
11	Multimedia system operating unit -E380-		3	Multimedia system operating unit -E380-
12	Terminal 31, to 332 earth connection 4 in dash panel wiring harness 135 earth connection 2 in dash panel wiring harness 602 earth point in front left footwell		4
13	Telephone bracket -R126-		5	Aerial amplifier for mobile telephone -R86- Chip card reader control unit -J676-
14	Multimedia system operating unit -E380-		6	Multimedia system operating unit -E380-
15	Terminal 30, from fuse holder F -SF-		7	B159 connection (diagnosis) in interior wiring harness B444 connection 1 (diagnosis) in main wiring harness Data bus diagnostic interface -J533-
16			8

-T12d- (F)	Designation		-T12e- (G)	Designation
1	Connection for external audio sources -R199-		1
2	Connection for external audio sources -R199-		2	Microphone unit in front roof module -R164- Front right microphone -R141-
3	Connection for external audio sources -R199-		3	Microphone unit in front roof module -R164- Front right microphone -R141-
4	Connection for external audio sources -R199-		4	Chip card reader control unit -J676-
5	Connection for external audio sources -R199-		5	Reversing camera system control unit -J772- Control unit for overhead view camera -J928-
6	Connection for external audio sources -R199-		6	Chip card reader control unit -J676-
7	Connection for external audio sources -R199-		7
8	Connection for external audio sources -R199-		8	Microphone unit in front roof module -R164- Front left microphone -R140-
9	Connection for external audio sources -R199-		9	Microphone unit in front roof module -R164- Front left microphone -R140-
10	Connection for external audio sources -R199-		10	Chip card reader control unit -J676-
11	Connection for external audio sources -R199-		11	Reversing camera system control unit -J772- Control unit for overhead view camera -J928-
12	Connection for external audio sources -R199-		12

Back to overview . AUDI A8 2013 Fitting location, DVD changer R161 Fitting location, DVD changer -R161- Fitting location In glove compartment -1- .

1 -	DVD changer -R161-

B -	2-pin connector -T2dn- , MOST bus, black

AUDI A8 2013 Fitting location, seat and steering column adjustment control unit with memory J136 Fitting location, seat and steering column adjustment control unit with memory -J136- Fitting location In bottom of seat -1- .

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

B -	10-pin connector -T10m- , black

Connector assignment, seat and steering column adjustment control unit with memory -J136-

   

-T12aa- (A)	Designation		-T12aa- (A)	Designation
1	Driver seat backrest adjustment motor -V45-		7	Driver seat rake adjustment motor -V243-
2	Driver seat head restraint adjustment motor -V103-		8	Driver seat height adjustment motor -V245-
3	Driver seat height adjustment motor -V245-		9	Driver seat longitudinal adjustment motor -V28-
4	Driver seat head restraint adjustment motor -V103-		10	Driver seat rake adjustment motor -V243-
5	Driver seat longitudinal adjustment motor -V28-		11	Terminal 30, from driver seat adjustment thermal fuse 1 -S44-
6	Driver seat backrest adjustment motor -V45-		12	Terminal 31, to 95 earth connection 1 in seat adjustment wiring harness 369 earth connection 4 in main wiring harness 34 earth point under driver seat

-T10m- (B)	Designation		-T10m- (B)	Designation
1	Driver seat depth adjustment motor -V256-		6	Potentiometer for seat belt height adjustment -G372-
2	Seat belt height adjustment motor -V233-		7
3	Seat belt height adjustment motor -V233-		8	Driver upper backrest adjustment motor -V258-
4	Driver upper backrest adjustment motor -V258-		9	Potentiometer for seat belt height adjustment -G372-
5	Driver seat depth adjustment motor -V256-		10

-T32i- (C)	Designation		-T32i- (C)	Designation
1			17
2			18
3	Driver door control unit -J386-		19
4			20	Head restraint adjustment switch -E155- Switch module for driver seat -E663-
5	Driver seat massage function button -E670-		21
6	Seat longitudinal adjustment button -E418- Switch module 2 for driver seat -E667-		22	Driver seat backrest adjustment switch -E96- Switch module for driver seat -E663-
7	Seat height adjustment button -E424- Switch module 2 for driver seat -E667-		23	Driver seat height adjustment switch -E364- Switch module for driver seat -E663-
8			24	Driver seat rake adjustment switch -E222- Switch module for driver seat -E663-
9			25	Driver seat longitudinal adjustment switch -E363- Switch module for driver seat -E663-
10			26
11			27
12			28	Backrest adjustment button -E425- Switch module 2 for driver seat -E667-
13			29
14			30
15	Convenience CAN bus, low M28 connection (convenience CAN bus, low) in driver seat adjustment wiring harness		31
16	Convenience CAN bus, high M27 connection (convenience CAN bus, high) in driver seat adjustment wiring harness		32

Back to overview . AUDI A8 2013 Fitting location, catalytic converter heater control unit 1 J1021 Fitting location, catalytic converter heater control unit 1 -J1021- Fitting location Behind front axle on right, near gearbox -1- .

1 -	Catalytic converter heater control unit 1 -J1021-

B -	4-pin connector -T4gk- , black

Connector assignment, catalytic converter heater control unit 1 -J1021-

   

-T4gk- (B)	Designation		-T4gk- (B)	Designation
1	Powertrain CAN bus, high E123 connection 1 (powertrain CAN bus, high) in engine wiring harness		3	Powertrain CAN bus, low E124 connection 1 (powertrain CAN bus, low) in engine wiring harness
2	Terminal 31, to 618 earth point on left on engine		4	Terminal 87, from D181 connection 2 (87a) in engine compartment wiring harness

-T2qc- (A)	Designation		-T2qb- (C)	Designation
1	Catalytic converter heater 1 -Z119-		1	Terminal 30 wiring junction -TV2- Catalytic converter heater fuse 2 -S354-
2	Catalytic converter heater 2 -Z120-		2	Terminal 30 wiring junction -TV2- Catalytic converter heater fuse -S351-

Back to overview .

AUDI A8 2013 Overview of control units

Overview of control units

2 -	Convenience system central control unit 2 -J773-, from model year 2014

q	Fitting location and connectors

3 -	Control units on right in luggage compartment, up to model year 2013

q	Fitting location and connectors

4 -	Convenience system central control unit -J393-, from model year 2014

q	Fitting location and connectors

5 -	Remote control receiver for auxiliary heater -R64-, from model year 2014

q	Fitting location and connectors

6 -	Data bus diagnostic interface -J533-, from model year 2014

q	Fitting location and connectors

7 -	Park assist steering control unit -J791-, from model year 2014

q	Fitting location and connectors

10 -	Control units on left in luggage compartment, up to model year 2013

q	Fitting location and connectors

Power latching control unit -J657-

q	Components: -F333-, -F332-, -V382-

q	Fitting location and connectors

16 -	Digital sound package control unit -J525-, Bang & Olufsen, from model year 2014

q	Fitting location and connectors

17 -	Adaptive suspension control unit -J197-, from model year 2014

q	Fitting location and connectors

26 -	Headlight range control unit -J431-/control unit for cornering light and headlight range control -J745-, models with cornering light, from model year 2014

q	Fitting location and connectors

27 -	Aerial amplifier for mobile telephone -R86-, from model year 2014

q	Fitting location and connectors

Rear sliding sunroof control unit -J392-/rear sliding sunroof motor -V146-, panoramic sunroof

q	Fitting location and connectors

35 -	Control unit for vehicle location system -J895-, from model year 2014

q	Fitting location and connectors

36 -	Trailer detector control unit -J345-, from model year 2014

q	Fitting location and connectors

37 -	Reversing camera system control unit -J772-, from model year 2014

q	Fitting location and connectors

AUDI A8 2013 Control units on right in luggage compartment, up to model year 2013 Control units on right in luggage compartment, up to model year 2013 On right in luggage compartment, on rear panel.

Headlight range control unit -J431-

q	Components: -J431-, -J745- (for models with cornering light only)

q	Fitting location and connectors

q	Fitting location and connectors from MY 2014

2 -	46-pin connector -T46-, black, CAN disconnector

Parking aid control unit -J446-/park assist steering control unit -J791-

q	Fitting location and connectors

From model year 2014, the parking aid control unit -J446- is being discontinued. The functions will be provided by the onboard supply control unit -J519- instead.

Park assist steering control unit -J791-

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

6 -	Relay and fuse carrier on right in luggage compartment

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

AUDI A8 2013 Fitting location, headlight range control unit J431 / control unit for cornering light and headlight range control J745 , models with cornering light, up to model year 2013 Fitting location, headlight range control unit -J431-/control unit for cornering light and headlight range control -J745-, models with cornering light, up to model year 2013 Fitting location

On right in luggage compartment, on rear panel -1-. Connector

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.

AUDI A8 2013 Fitting location, headlight range control unit J431 / control unit for cornering light and headlight range control J745 , models with cornering light, from model year 2014

Fitting location, headlight range control unit -J431-/control unit for cornering light and headlight range control -J745-, models with cornering light, from model year 2014

Fitting location

On left in luggage compartment, on rear panel -1-.

   

1 -	Headlight range control unit -J431-/control unit for cornering light and headlight range -J745-

A -	26-pin connector -T26-

Connector assignment, headlight range control unit -J431-/control unit for cornering light and headlight range -J745-

-T26- (A)	Designation		-T26- (A)	Designation
1			14
2	CAN bus extended, high		15	Right headlight range control motor -V49-
3	CAN bus extended, low		16	Left headlight range control motor -V48-
4	CAN bus, high		17	Left headlight range control motor -V48-
5	CAN bus, low screen earth, USA only		18	Left headlight range control motor -V48-
6			19	Left headlight range control motor -V48-
7			20	Right headlight range control motor -V49-
8			21	Right headlight range control motor -V49-
9	Screen earth, USA only		22	Right headlight range control motor -V49-
10			23	Terminal 15, from fuse holder F -SF-
11			24	Terminal 31, to 675 earth point 2 on right in luggage compartment
12			25
13			26

Back to overview . AUDI A8 2013 Fitting location, parking aid control unit J446 / park assist steering control unit J791 , up to model year 2013 Fitting location, parking aid control unit -J446-/park assist steering control unit -J791-, up to model year 2013 Fitting location

On right in luggage compartment, on rear panel -1-. Connectors

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B -	12-pin connector -T12i-, brown

C -	12-pin connector -T12h-, black

Back to overview . AUDI A8 2013 Fitting location, park assist steering control unit J791 , from model year 2014 Fitting location, park assist steering control unit -J791-, from model year 2014 Fitting location In luggage compartment in right luggage compartment recess -1-.

1 -	Park assist steering control unit -J791-

A -	16-pin connector -T16h-, brown

B -	12-pin connector -T12i-, brown

C -	12-pin connector -T12h-, black

Connector assignment of park assist steering control unit -J791-

-T16h- (A)	Designation		-T12i- (B)	Designation		-T12h- (C)	Designation
1	Terminal 15, from fuse holder F -SF-		1	Front sender voltage supply		1
2	Rear parking aid warning buzzer -H15-		2	Front sender earth		2	Rear centre right parking aid sender -G205-
3			3	Front parking aid warning buzzer -H22-		3	Rear centre left parking aid sender -G204-
4	Parking aid button -E266-		4	Front parking aid warning buzzer -H22-		4	Rear right parking aid sender -G206-
5			5	Front left parking aid sender -G255-		5	Rear left parking aid sender -G203-
6	CAN bus, high		6	Front centre left parking aid sender -G254-		6	Rear right park assist steering sender -G717-
7			7	Front centre right parking aid sender -G253-		7
8	Terminal 31, to 51 earth point on right in luggage compartment		8	Front right parking aid sender -G252-		8	Rear sender earth
9	Warning light for park assist steering -K241-		9	Front left sender for park assist steering on left side of vehicle -G568-		9
10	Rear parking aid warning buzzer -H15-		10	Front right sender for park assist steering on right side of vehicle -G569-		10	Rear left park assist steering sender -G716-
11			11			11	Rear sender voltage supply
12			12			12
13	Parking aid warning lamp -K136-
14
15	CAN bus, low
16	Park assist steering button -E581-

Back to overview . AUDI A8 2013 Fitting location, adaptive suspension control unit J197 , up to model year 2013 Fitting location, adaptive suspension control unit -J197-, up to model year 2013 Fitting location

On right in luggage compartment, on rear panel -1-. Connectors

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A -	Adaptive suspension control unit -J197-

2 -	18-pin connector -T18b-, grey

4 -	12-pin connector -T12a-, green

5 -	6-pin connector -T6b-, blue

Back to overview . AUDI A8 2013 Fitting location, adaptive suspension control unit J197 , from model year 2014 Fitting location, adaptive suspension control unit -J197-, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

1 -	Adaptive suspension control unit -J197-

A -	9-pin connector -T9a-, grey

B -	18-pin connector -T18b-, grey

C -	15-pin connector -T15a-, purple

D -	12-pin connector -T12a-, green

E -	6-pin connector -T6b-, blue

Connector assignment, adaptive suspension control unit -J197-

-T9a- (A)	Designation		-T18b- (B)	Designation		-T15a- (C)	Designation
1	Terminal 30, from fuse holder F -SF-		1	Valve voltage supply		1	Front left vehicle level sender -G78-
2			2	Front left suspension strut valve -N148-		2	Front left vehicle level sender -G78-
3	Terminal 31, to 391 earth connection 26 in main wiring harness 675 earth point 2 on right in luggage compartment		3	Front right suspension strut valve -N149-		3	Front left vehicle level sender -G78-
4			4	Valve block		4	Front right vehicle level sender -G289-
5			5	Rear left suspension strut valve -N150-		5	Front right vehicle level sender -G289-
6	Terminal 15, from fuse holder F -SF-		6	Rear right suspension strut valve -N151-		6	Front right vehicle level sender -G289-
7			7	Valve block		7	Rear left vehicle level sender -G76-
8			8	Adaptive suspension pressure accumulator valve -N311-		8	Rear left vehicle level sender -G76-
9			9	Adaptive suspension compressor relay -J403-		9	Rear left vehicle level sender -G76-
			10			10	Rear right vehicle level sender -G77-
			11			11	Rear right vehicle level sender -G77-
			12			12	Rear right vehicle level sender -G77-
			13			13	Pressure sender for adaptive suspension -G291-
			14			14	Pressure sender for adaptive suspension -G291-
			15			15	Pressure sender for adaptive suspension -G291-
			16
			17
			18

-T12a- (D)	Designation		-T6b- (E)	Designation
1	Front left shock absorber damping adjustment valve -N336-		1	FlexRay bus
2	Rear left shock absorber damping adjustment valve -N338-		2	FlexRay bus
3			3
4	Front left shock absorber damping adjustment valve -N336-		4	Control unit for sensor electronics -J849-, high-voltage models only
5	Front right shock absorber damping adjustment valve -N337-		5	Control unit for sensor electronics -J849-, high-voltage models only
6			6
7	Rear left shock absorber damping adjustment valve -N338-
8	Rear right shock absorber damping adjustment valve -N339-
9	Compressor temperature sender for adaptive suspension -G290-
10	Front right shock absorber damping adjustment valve -N337-
11	Rear right shock absorber damping adjustment valve -N339-
12	Compressor temperature sender for adaptive suspension -G290-

Back to overview . AUDI A8 2013 Fitting location, data bus diagnostic interface J533 , up to model year 2013 Fitting location, data bus diagnostic interface -J533-, up to model year 2013 Fitting location

On right in luggage compartment, on rear panel -1-.

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Connectors 1 -  32-pin connector -T32f-, black 2 -  2-pin connector -T2gb-, MOST bus, black Back to overview . AUDI A8 2013 Fitting location, data bus diagnostic interface J533 , from model year 2014 Fitting location, data bus diagnostic interface -J533-, from model year 2014 Fitting location On right in luggage compartment, on rear panel -1-.

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1 -	Data bus diagnostic interface -J533-

A -	32-pin connector -T32f-, black

B -	2-pin connector -T2gb-, MOST bus, black

Connector assignment, data bus diagnostic interface -J533-

-T32f- (A)	Designation		-T32f- (A)	Designation
1			17	LIN bus, B481 connection 17 in main wiring harness
2	CAN bus extended, low		18	CAN bus extended, high
3	16-pin connector -T16-, diagnostic connection		19	16-pin connector -T16-, diagnostic connection
4	Convenience CAN bus, low		20	Convenience CAN bus, high
5	Powertrain CAN bus, low		21	Powertrain CAN bus, high
6	Dash panel insert CAN bus, low		22	Dash panel insert CAN bus, high
7	FlexRay bus, ABS control unit -J104-		23	FlexRay bus, ABS control unit -J104-
8	FlexRay bus, adaptive suspension control unit -J197- All-wheel drive control unit -J492-		24	FlexRay bus, adaptive suspension control unit -J197- All-wheel drive control unit -J492-
9	FlexRay bus, control unit for sensor electronics -J849-		25	FlexRay bus, control unit for sensor electronics -J849-
10	FlexRay bus, control unit 2 for adaptive cruise control -J850-		26	FlexRay bus, control unit 2 for adaptive cruise control -J850-
11			27
12			28
13	Terminal 31, to 675 earth point 2 on right in luggage compartment		29	Terminal 31, to 675 earth point 2 on right in luggage compartment
14	Terminal 15, from fuse holder F -SF-		30
15			31
16	Terminal 30, from fuse holder F -SF-		32	Ring break diagnostic cable B444 connection 1 (diagnosis) in main wiring harness

Back to overview . AUDI A8 2013 Fitting location, convenience system central control unit 2 J773 , up to model year 2013 Fitting location, convenience system central control unit 2 -J773-, up to model year 2013 Fitting location

On right in luggage compartment, on rear panel -1-. Connectors

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A -	Convenience system central control unit 2 -J773-

2 -	12-pin connector -T12ag-, brown

3 -	12-pin connector -T12ah-, black

Back to overview . AUDI A8 2013 Fitting location, convenience system central control unit 2 J773 , from model year 2014 Fitting location, convenience system central control unit 2 -J773-, from model year 2014 Fitting location On right in luggage compartment, on rear panel -1-.

1 -	Convenience system central control unit 2 -J773-

A -	16-pin connector -T16o-, brown

B -	12-pin connector -T12ag-, brown

C -	12-pin connector -T12ah-, black

Connector assignment, convenience system central control unit 2 -J773-

-T16o- (A)	Designation		-T12ag- (B)	Designation		-T12ah- (C)	Designation
1	Front left footwell illumination bulb -L151-		1	Terminal 31, to 390 earth connection 25 in main wiring harness 391 earth connection 26 in main wiring harness 675 earth point 2 on right in luggage compartment		1	Rear right door ambient lighting bulb -L167-
2	Front left door ambient lighting bulb -L158-		2	Light conductor for rear centre console ambient lighting -W75-		2
3	Front left door ambient lighting bulb -L158-		3	Terminal 30, from fuse holder F -SF-		3	Rear right footwell illumination bulb -L107-
4	Rear left footwell illumination bulb -L106-		4	Terminal 30, from fuse holder F -SF-		4	Front right door ambient lighting bulb -L179-
5	Light conductor for front centre console ambient lighting -W74-		5	Rear right door ambient lighting bulb -L167-		5	Front right door ambient lighting bulb -L179-
6	Rear left door ambient lighting bulb -L166-		6	CAN bus, low Wiring junction for convenience CAN bus, low -TV38-		6	Front right footwell illumination bulb -L152-
7	Rear left door ambient lighting bulb -L166-		7			7	Rear right door ambient lighting bulb -L167-
8	Light conductor for front centre console ambient lighting -W74-		8	Light conductor for rear centre console ambient lighting -W75-		8	Light conductor for front centre console ambient lighting -W74-
9	Front left footwell illumination bulb -L151-		9			9	Rear right footwell illumination bulb -L107-
10	Front left door ambient lighting bulb -L158-		10	Light conductor for rear centre console ambient lighting -W75-		10	Light conductor for front right sill panel moulding ambient lighting -W68-
11	Light conductor for front left sill panel moulding ambient lighting -W67-		11	Light conductor for rear right sill panel moulding ambient lighting -W70-		11	Front right door ambient lighting bulb -L179-
12	Rear left footwell illumination bulb -L106-		12	CAN bus, high Wiring junction for convenience CAN bus, high -TV34-		12	Front right footwell illumination bulb -L152-
13
14	Rear left door ambient lighting bulb -L166-
15	Light conductor for rear left sill panel moulding ambient lighting -W69-
16

Back to overview . AUDI A8 2013 Fitting location, convenience system central control unit J393 , up to model year 2013 Fitting location, convenience system central control unit -J393-, up to model year 2013 Fitting location

On right in luggage compartment, on rear panel -1-. Connectors

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A -	Convenience system central control unit -J393-

3 -	32-pin connector -T32c-, grey

5 -	17-pin connector -T17d-, black

7 -	17-pin connector -T17e-, brown

Back to overview . AUDI A8 2013 Fitting location, convenience system central control unit J393 , from model year 2014 Fitting location, convenience system central control unit -J393-, from model year 2014 Fitting location On right in luggage compartment, on rear panel -1-.

1 -	Convenience system central control unit -J393-

A -	17-pin connector -T17d-, black

B -	32-pin connector -T32d-, black

C -	17-pin connector -T17e-, brown

D -	32-pin connector -T32e-, blue

E -	32-pin connector -T32c-, grey

F -	2-pin connector -T2a-, blue-grey, central locking and anti-theft alarm system aerial -R47-

Connector assignment, convenience system central control unit -J393-

-T32c- (E)	Designation		-T32c- (E)	Designation
1			17
2	B335 connection 1 (54) in main wiring harness		18	Additional brake light bulb -M25-
3	Entry and start authorisation switch -E415-, up to June 2010 Release button for rear lid lock cylinder -F248-		19
4	Contact switch in lock cylinder for rear lid, anti-theft alarm system and central locking system -F124-		20	Entry and start authorisation switch -E415-, up to June 2010 Entry and start authorisation button -E408-, from July 2010
5	Engine control unit -J623-		21
6			22
7			23
8			24
9			25
10			26	Driver door control unit -J386-, high-voltage vehicles only
11	Entry and start authorisation switch -E415-, up to June 2010		27
12	Entry and start authorisation switch -E415-, up to June 2010 Entry and start authorisation button -E408-, from July 2010		28	E26 connection (selector position P/N) in Motronic wiring harness
13	Entry and start authorisation switch -E415-, up to June 2010 Entry and start authorisation button -E408-, from July 2010		29
14			30
15	Control unit for electronic steering column lock -J764-		31
16	Terminal 15 voltage supply relay -J329-		32

-T32d- (B)	Designation		-T32d- (B)	Designation		-T17d- (A)	Designation
1			17	LIN bus		1	Right reversing light bulb -M17- Right reversing light bulb -M17-, USA only
2			18	LIN bus, rear lid power opening control unit -J938-		2	Power latching motor for rear lid -V382-
3	Entry​and​start​authorisation​switch -E415-		19	Convenience CAN bus, high Wiring junction for convenience CAN bus, high -TV34-		3
4	Heated rear window relay -J9-		20	Convenience CAN bus, low Wiring junction for convenience CAN bus, low -TV38-		4	Power latching motor for rear lid -V382-
5			21			5	Rear lid central locking motor -V53-
6			22			6	Tank filler flap locking motor -V155-
7			23			7	Tank filler flap locking motor -V155-
8			24			8	Right tail light bulb 2 -M50- Bulb 2 for right brake, turn signal and tail light -M73-
9			25			9	Left tail light bulb -M4- Left brake, turn signal and tail light bulb -M69-, USA only
10			26			10	Right brake light bulb 2 -M87- Right brake, turn signal and tail light bulb -M85-, USA only
11			27			11	Rear right fog light bulb -L47- Rear right fog light bulb -L47-
12			28			12	Bulb 2 for rear left turn signal -M80-
13			29			13
14	Number plate light -X-		30	Rear right turn signal bulb -M8- Rear right side marker bulb -M38-, USA only		14
15	Relay for power sockets -J807-		31	Rear left turn signal bulb -M6- Rear left side marker bulb -M37-, USA only		15	Terminal 30, from fuse holder F -SF-
16	Alarm horn -H12-		32	LIN bus, heated windscreen control unit -J505-, roof electronics control unit -J528-, anti-theft alarm sensor -G578-		16	Terminal 30, from fuse holder F -SF-
						17	Terminal 31, to 391 earth connection 26 in main wiring harness 675 earth point 2 on right in luggage compartment

-T32e- (B)	Designation		-T32e- (B)	Designation		-T17e- (A)	Designation
1	Entry and start authorisation button -E408-, up to June 2010		17			1	Rear roller blind motor -V91-
2			18			2	Rear roller blind motor -V91-
3	Entry and start authorisation button -E408-, up to June 2010		19			3
4			20	Power latching system limit switch, luggage compartment unlocked -F332-		4
5	Power latching system limit switch, luggage compartment locked -F333-		21			5	Rear left fog light bulb -L46- Rear left fog light bulb -L46-, USA only
6			22			6	Left tail light bulb -M9- Left brake and turn signal bulb -M56-, USA only
7	Luggage compartment aerial for entry and start system -R137-		23			7
8	Luggage compartment aerial for entry and start system -R137-		24			8	B447 connection (luggage compartment light) in main wiring harness
9	Right aerial for entry and start authorisation -R201-		25			9	Left tail light bulb 2 -M49- Bulb 2 for left brake, turn signal and tail light -M72-, USA only
10	Right aerial for entry and start authorisation -R201-		26			10	Right tail light bulb -M2- Right brake, turn signal and tail light bulb -M70-, USA only
11	Left aerial for entry and start authorisation -R200-		27			11	Left tail light bulb 2 -M86- Left brake and turn signal bulb 2 -M84-, USA only
12	Left aerial for entry and start authorisation -R200-		28			12	Right brake light bulb -M10- Right brake and turn signal bulb -M57-, USA only
13	Interior aerial 2 for entry and start system -R139-		29	Contact sensor for rear right exterior door handle -G418-		13	Bulb 2 for rear right turn signal -M81-
14	Interior aerial 2 for entry and start system -R139-		30	Contact sensor for front right exterior door handle -G606-		14	B479 connection 15 in main wiring harness
15	Interior aerial 1 for entry and start system -R138-		31	Contact sensor for rear left exterior door handle -G417-		15	Control unit for electronic steering column lock -J764-
16	Interior aerial 1 for entry and start system -R138-		32	Contact sensor for front left exterior door handle -G605-		16	Terminal 30, from fuse holder F -SF-
						17	Terminal 31, to 391 earth connection 26 in main wiring harness 675 earth point 2 on right in luggage compartment

Back to overview . AUDI A8 2013 Fitting location, voltage stabilizer J532 Fitting location, voltage stabilizer -J532- Fitting location

In luggage compartment on left, behind side trim -2-. Connector

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A -	Voltage stabilizer -J532-

1 -	12-pin connector -T12y-, black

Back to overview . AUDI A8 2013 Fitting location, control unit for electromechanical parking brake J540 Fitting location, control unit for electromechanical parking brake -J540- Fitting location

In luggage compartment on left, behind side trim -1-. Connector

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A -	Control unit for electromechanical parking brake -J540-

1 -	30-pin connector -T30a-, black

Back to overview . AUDI A8 2013 Fitting location, all-wheel drive control unit J492 Fitting location, all-wheel drive control unit -J492- Fitting location

In luggage compartment on left, in spare wheel recess -1-. Connector

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A -	All-wheel drive control unit -J492-

1 -	47-pin connector -T47a-, black

Back to overview . AUDI A8 2013 Fitting location, heated windscreen control unit J505 Fitting location, heated windscreen control unit -J505- Fitting location

In luggage compartment on left, in spare wheel recess -2-. Connectors

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A -	Heated windscreen control unit -J505-

1 -	4-pin connector -T4em-, black

2 -	B1, terminal 30

3 -	C1, terminal 31

Back to overview . AUDI A8 2013 Fitting location, rear left door control unit J388 Fitting location, rear left door control unit -J388- Fitting location

In rear left door -1-. Connectors

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A -	Rear left door control unit -J388-

2 -	20-pin connector -T20d-

3 -	16-pin connector -T16m-

4 -	Not assigned

Back to overview . AUDI A8 2013 Fitting location, rear right door control unit J389 Fitting location, rear right door control unit -J389- Fitting location

In rear right door -1-. Connectors

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A -	Rear right door control unit -J389-

2 -	20-pin connector -T20e-

3 -	16-pin connector -T16n-

4 -	Not assigned

Back to overview . AUDI A8 2013 Fitting location, rear lid control unit J605 Fitting location, rear lid control unit -J605- Fitting location

In luggage compartment on left, behind side trim -1-. Connectors

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A -	Rear lid control unit -J605-

2 -	4-pin connector -T4do-, black

3 -	5-pin connector -T5x-, black, motor 1 for rear lid -V444-

Back to overview . AUDI A8 2013 Fitting location, rear lid power opening control unit J938 Fitting location, rear lid power opening control unit -J938- Fitting location Behind the rear bumper cover -1-.

1 -	Rear lid power opening control unit -J938-

B -	5-pin connector -T5am-

Connector assignment, rear lid power opening control unit -J938-

-T4hu- (A)	Designation		-T5am- (B)	Designation
1	Terminal 30, from fuse holder F -SF-		1	Rear lid power opening sender -G750-
2	Terminal 31, to 394 earth connection 29 in main wiring harness 238 earth connection 1 in interior wiring harness 51 earth point on right in luggage compartment		2	Rear lid power opening sender -G750-
3	LIN bus, from convenience system central control unit -J393-		3
4			4	Rear lid power opening sender 2 -G760-
			5	Rear lid power opening sender 2 -G760-

Back to overview . AUDI A8 2013 Fitting location of control units on left in luggage compartment, up to model year 2013 Fitting location of control units on left in luggage compartment, up to model year 2013 On left in luggage compartment, on rear panel.

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

q	Fitting location and connectors from MY 2014

AUDI A8 2013 Fitting location, remote control receiver for auxiliary heater R64 , up to model year 2013 Fitting location, remote control receiver for auxiliary heater -R64-, up to model year 2013 Fitting location

On left in luggage compartment, on rear panel -1-. Connectors

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A -	Remote control receiver for auxiliary heater -R64-

2 -	2-pin connector -T2id-, beige, aerial connection

Back to overview . AUDI A8 2013 Fitting location, remote control receiver for auxiliary heater R64 , from model year 2014 Fitting location, remote control receiver for auxiliary heater -R64-, from model year 2014 Fitting location On right in luggage compartment, on rear panel -1-.

1 -	Remote control receiver for auxiliary heater -R64-

A -	2-pin connector -T2id-, beige, aerial connection

B -	6-pin connector -T6aq-, blue

Connector assignment, remote control receiver for auxiliary heater -R64-

-T6aq- (B)	Designation
1	Terminal 31, to 386 earth connection 21 in main wiring harness 688 earth point 2 on centre tunnel
2	Terminal 30, from fuse holder C -SC-
3
4
5	Auxiliary heater control unit -J364-
6

Back to overview . AUDI A8 2013 Fitting location, aerial amplifier for mobile telephone R86 , up to model year 2013 Fitting location, aerial amplifier for mobile telephone -R86-, up to model year 2013 Fitting location

On left in luggage compartment, on rear panel -1-.

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Connectors A -  2-pin connector -T2fv-, purple, from roof aerial -R216- B -  2-pin connector -T2fw-, black, to telephone bracket -R126- C -  4-pin connector -T4cm-, black Back to overview . AUDI A8 2013 Fitting location, aerial amplifier for mobile telephone R86 , from model year 2014 Fitting location, aerial amplifier for mobile telephone -R86-, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

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1 -	Aerial amplifier for mobile telephone -R86-

A -	2-pin connector -T2fv-, purple, from roof aerial -R216-

B -	4-pin connector -T4cm-, black

C -	2-pin connector -T2fw-, black, to telephone bracket -R126-

Connector assignment, aerial amplifier for mobile telephone -R86-

-T4cm- (B)	Designation
1	Terminal 30, from fuse holder F -SF-
2	Terminal 31, to 397 earth connection 32 in main wiring harness 733 earth point 3 on left in luggage compartment
3	Switch-on signal, B484 connection 20 in main wiring harness Control unit 1 for information electronics -J794- Telephone bracket -R126-
4

Back to overview . AUDI A8 2013 Fitting location, control unit for vehicle location system J895 , up to model year 2013 Fitting location, control unit for vehicle location system -J895-, up to model year 2013 Fitting location

On left in luggage compartment, on rear panel -1-. Connectors

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A -	Control unit for vehicle location system -J895-

2 -	12-pin connector -T12f-, brown

3 -	Not assigned

Back to overview . AUDI A8 2013 Fitting location, control unit for vehicle location system J895 , from model year 2014 Fitting location, control unit for vehicle location system -J895-, from model year 2014 Fitting location On right in luggage compartment, on rear panel -1-.

1 -	Control unit for vehicle location system -J895-

A -	12-pin connector -T12f-, brown

AUDI A8 2013 Fitting location, trailer detector control unit J345 , up to model year 2013 Fitting location, trailer detector control unit -J345-, up to model year 2013 Fitting location

On left in luggage compartment, on rear panel -1-. Connectors

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A -	Trailer detector control unit -J345-

2 -	12-pin connector -T12b-, red

3 -	12-pin connector -T12c-, blue

Back to overview . AUDI A8 2013 Fitting location, trailer detector control unit J345 , from model year 2014 Fitting location, trailer detector control unit -J345-, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

1 -	Trailer detector control unit -J345-

B -	6-pin connector -T6bz-, black

D -	10-pin connector -T10bf-, red

Connector assignment, trailer detector control unit -J345-

-T24a- (A)	Designation		-T24a- (A)	Designation
1	Trailer socket -U10-		13	Hinged tow attachment ball head motor -V317-
2	Trailer socket -U10-		14	Hinged tow attachment ball head motor -V317-
3	Trailer socket -U10-		15	Trailer socket -U10-
4			16
5			17
6	Hinged tow attachment ball head motor -V317-		18	Trailer socket -U10-
7	Hinged tow attachment ball head motor -V317-		19	Trailer socket -U10-
8			20
9	Hinged tow attachment ball head motor -V317-		21
10			22
11			23	Trailer socket -U10-
12	Trailer socket -U10-		24	Trailer socket -U10-

-T6bz- (B)	Designation		-T10bg- (C)	Designation		-T10bf- (D)	Designation
1	Terminal 30, from fuse holder F -SF-		1	Terminal 15, from B281 positive connection 5 (15a) in main wiring harness Fuse holder F -SF-		1	Electric hinged tow coupling attachment button -E474-
2	Terminal 31, to 733 earth point 3 on left in luggage compartment		2	Terminal 54		2	Electric hinged tow coupling attachment button -E474-
3	Terminal 30, from fuse holder F -SF-		3	Convenience CAN bus, high B397 connection 1 (convenience CAN bus, high) in main wiring harness Wiring junction for convenience CAN bus, high -TV34-		3	Electric hinged tow coupling attachment button -E474-
4	Terminal 30, from fuse holder F -SF-		4	Convenience CAN bus, low B406 connection 1 (convenience CAN bus, low) in main wiring harness Wiring junction for convenience CAN bus, low -TV38-		4	Electric hinged tow coupling attachment button -E474-
5	Terminal 30, from fuse holder F -SF-		5			5
6	Terminal 30, from fuse holder F -SF-		6			6
			7			7	Retracting tow ball coupling warning lamp -K212-
			8			8	Extending tow ball coupling warning lamp -K211-
			9			9
			10			10

Back to overview . AUDI A8 2013 Fitting location, reversing camera system control unit J772 , up to model year 2013 Fitting location, reversing camera system control unit -J772-, up to model year 2013 Fitting location

On left in luggage compartment, on rear panel -1-.

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Connectors 1 -  54-pin connector -T54a-, black 2 -  2-pin connector -T2ae-, green, control unit 1 for information electronics -J794- 3 -  2-pin connector -T2af-, blue, reversing camera -R189- Back to overview . AUDI A8 2013 Fitting location, reversing camera system control unit J772 , from model year 2014 Fitting location, reversing camera system control unit -J772-, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

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1 -	Reversing camera system control unit -J772-

A -	20-pin connector -T20k-, red

B -	2-pin connector -T2af-, grey, reversing camera -R189-

C -	2-pin connector -T2ae-, green, control unit 1 for information electronics -J794-

Connector assignment, reversing camera system control unit -J772-

-T20k- (A)	Designation		-T20k- (A)	Designation
1			11	Dash panel insert CAN bus, low Wiring junction for dash panel insert CAN bus, low -TV40-
2			12	Dash panel insert CAN bus, high Wiring junction for dash panel insert CAN bus, high -TV36-
3			13
4			14
5			15
6			16
7			17
8			18
9	Reversing camera -R189-		19	Reversing camera -R189-
10	Terminal 30, from fuse holder F -SF-		20	Terminal 31, to 733 earth point 3 on left in luggage compartment

Back to overview . AUDI A8 2013 Fitting location, control unit for overhead view camera J928 , from model year 2014 Fitting location, control unit for overhead view camera -J928-, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

1 -	Control unit for overhead view camera -J928-

B -	5-pin connector -T5bc-, from front overhead view camera -R243-

D -	5-pin connector -T5ba-, from left overhead view camera -R244-

F -	18-pin connector -T18c-

Connector assignment, control unit for overhead view camera -J928-

-T18c- (F)	Designation		-T18c- (F)	Designation
1	Terminal 30, from fuse holder F -SF-		10	Convenience CAN bus, low Wiring junction for convenience CAN bus, low -TV40-
2	Convenience CAN bus, high Wiring junction for convenience CAN bus, high -TV36-		11
3			12	Terminal 31, to 733 earth point 3 on left in luggage compartment
4			13
5			14
6			15
7			16
8			17
9			18

Back to overview . AUDI A8 2013 Fitting location, digital sound package control unit J525 , BOSE, from model year 2014 Fitting location, digital sound package control unit -J525-, BOSE, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

1 -	Digital sound package control unit -J525-

B -	18-pin connector -T18d-

C -	38-pin connector -T38-

Connector assignment, digital sound package control unit -J525-

-T18d- (B)	Designation		-T38- (C)	Designation		-T38- (C)	Designation
1			1	Terminal 30, from fuse holder F -SF-		20	Front right mid-range loudspeaker -R104-
2			2	Terminal 31, to 733 earth point 3 on left in luggage compartment		21	Front right treble loudspeaker -R22-
3			3	Rear right mid-range and bass loudspeaker -R160- Rear right treble loudspeaker -R16-		22	Front left treble loudspeaker -R20-
4			4	Front left bass loudspeaker -R21-		23
5			5	Subwoofer -R211-		24
6	Rear left microphone -R144-		6			25	Ring break diagnostic cable B444 connection 1 (diagnosis) in main wiring harness Data bus diagnostic interface -J533-
7	Rear left microphone -R144-		7	Front left mid-range loudspeaker -R103-		26
8	Rear right microphone -R145-		8	Front right mid-range loudspeaker -R104-		27
9	Rear right microphone -R145-		9	Front right treble loudspeaker -R22-		28	Screen earth
10	Engine control unit -J623-		10	Front left treble loudspeaker -R20-		29	Internal microphone -R74-
11	Engine control unit -J623- Power unit mounting control unit -J931-		11	Front right bass loudspeaker -R23-		30	Internal microphone -R74-
12			12	Front right bass loudspeaker -R23-		31	Centre loudspeaker -R208-
13	Centre right microphone -R143-		13	Rear left mid-range and bass loudspeaker -R159- Rear left treble loudspeaker -R14-		32	Centre loudspeaker -R208-
14	Centre right microphone -R143-		14	Rear left mid-range and bass loudspeaker -R159- Rear left treble loudspeaker -R14-		33	Left effect loudspeaker -R209-
15			15	Rear right mid-range and bass loudspeaker -R160- Rear right treble loudspeaker -R16-		34	Left effect loudspeaker -R209-
16	Centre left microphone -R142-		16	Front left bass loudspeaker -R21-		35
17	Centre left microphone -R142-		17	Subwoofer -R211-		36
18			18			37	Right effect loudspeaker -R210-
			19	Front left mid-range loudspeaker -R103-		38	Right effect loudspeaker -R210-

Back to overview . AUDI A8 2013 Fitting location, digital sound package control unit J525 , Bang & Olufsen, from model year 2014 Fitting location, digital sound package control unit -J525-, Bang & Olufsen, from model year 2014 Fitting location On left in luggage compartment, on rear panel -1-.

1 -	Digital sound package control unit -J525-

A -	2-pin connector -T2co-, MOST bus, black

B -	32-pin connector -T32h-

C -	38-pin connector -T38-

Connector assignment, digital sound package control unit -J525-

-T32h- (B)	Designation		-T38- (C)	Designation
1	Digital sound package control unit 2 -J787-		1	Terminal 30, from fuse holder F -SF-
2	Digital sound package control unit 2 -J787-		2	Terminal 31, to 733 earth point 3 on left in luggage compartment
3	Digital sound package control unit 2 -J787-		3	Front left mid-range loudspeaker -R103-
4	Digital sound package control unit 2 -J787-		4	Front right mid-range loudspeaker -R104-
5	Digital sound package control unit 2 -J787-		5	Rear left mid-range loudspeaker -R105-
6	Centre left microphone -R142-		6	Rear right mid-range loudspeaker -R106-
7	Centre right microphone -R143-		7	Centre loudspeaker -R208-
8	Rear left microphone -R144-		8	Centre loudspeaker 2 -R219-
9	Internal microphone -R74-		9	Rear left treble loudspeaker 2 -R217-
10	Rear right microphone -R145-		10	Rear right treble loudspeaker 2 -R218-
11	Screen earth		11
12	Engine control unit -J623- Power unit mounting control unit -J931-		12
13			13
14	Digital sound package control unit 2 -J787-		14
15			15	Front left mid-range loudspeaker -R103-
16	Digital sound package control unit 2 -J787-		16	Front right mid-range loudspeaker -R104-
17	Digital sound package control unit 2 -J787-		17	Rear left mid-range loudspeaker -R105-
18	Digital sound package control unit 2 -J787-		18	Rear right mid-range loudspeaker -R106-
19	Digital sound package control unit 2 -J787-		19	Centre loudspeaker -R208-
20	Digital sound package control unit 2 -J787-		20	Centre loudspeaker 2 -R219-
21	Digital sound package control unit 2 -J787-		21	Rear left treble loudspeaker 2 -R217-
22	Centre left microphone -R142-		22	Rear right treble loudspeaker 2 -R218-
23	Centre right microphone -R143-		23	Front left treble loudspeaker -R20-
24	Rear left microphone -R144-		24	Front right treble loudspeaker -R22-
25	Internal microphone -R74-		25	Rear left treble loudspeaker -R14-
26	Rear right microphone -R145-		26	Rear right treble loudspeaker -R16-
27			27	Left effect loudspeaker -R209-
28	Terminal 31, to 733 earth point 3 on left in luggage compartment		28	Right effect loudspeaker -R210-
29	Ring break diagnostic cable B444 connection 1 (diagnosis) in main wiring harness Data bus diagnostic interface -J533-		29
30	Digital sound package control unit 2 -J787-		30
31			31	Front left treble loudspeaker -R20-
32	Digital sound package control unit 2 -J787-		32	Front right treble loudspeaker -R22-
			33	Rear left treble loudspeaker -R14-
			34	Rear right treble loudspeaker -R16-
			35	Left effect loudspeaker -R209-
			36	Right effect loudspeaker -R210-
			37
			38

Back to overview . AUDI A8 2013 Fitting location, digital sound package control unit 2 J787 , Bang & Olufsen, from model year 2014 Fitting location, digital sound package control unit 2 -J787-, Bang & Olufsen, from model year 2014 Fitting location In luggage compartment in left luggage compartment recess -1-.

1 -	Digital sound package control unit 2 -J787-

A -	32-pin connector -T32g-

Connector assignment, digital sound package control unit 2 -J787-

-T32g- (A)	Designation		-T32g- (A)	Designation
1	Terminal 30, from fuse holder F -SF-		17	Front left bass loudspeaker -R21-
2	Terminal 31, to 733 earth point 3 on left in luggage compartment		18	Control motor for front left treble speaker -V344-
3	Front right bass loudspeaker -R23-		19	Control motor for front right treble speaker -V345-
4	Front right bass loudspeaker -R23-		20	Digital sound package control unit -J525-
5	Front left bass loudspeaker -R21-		21	Control motor for front right treble speaker -V345-
6	Control motor for front left treble speaker -V344-		22	Control motor for front right treble speaker -V345-
7	Control motor for front left treble speaker -V344-		23	Digital sound package control unit -J525-
8	Digital sound package control unit -J525-		24	Digital sound package control unit -J525-
9	Digital sound package control unit -J525-		25	Digital sound package control unit -J525-
10	Digital sound package control unit -J525-		26	Digital sound package control unit -J525-
11	Digital sound package control unit -J525-		27	Digital sound package control unit -J525-
12	Digital sound package control unit -J525-		28	Rear right bass loudspeaker -R17-
13	Digital sound package control unit -J525-		29	Rear right bass loudspeaker -R17-
14	Digital sound package control unit -J525-		30	Digital sound package control unit -J525-
15	Subwoofer -R211-		31	Rear left bass loudspeaker -R15-
16	Subwoofer -R211-		32	Rear left bass loudspeaker -R15-

Back to overview . AUDI A8 2013 Fitting location, TV tuner R78 , from model year 2014 Fitting location, TV tuner -R78-, from model year 2014 Fitting location In luggage compartment in left luggage compartment recess -1-.

1 -	TV tuner -R78-

B -	4-pin connector -T4hw-, aerial amplifier 2 -R111-, aerial amplifier 4 -R113-

D -	2-pin connector -T2cn-, MOST bus, black

E -	12-pin connector -T12av-

Connector assignment, TV tuner -R78-

-T12av- (E)	Designation		-T12av- (E)	Designation
1	Terminal 30, from fuse holder F -SF-		7
2	Terminal 31, to 733 earth point 3 on left in luggage compartment		8
3	Ring break diagnostic cable B444 connection 1 (diagnosis) in main wiring harness Data bus diagnostic interface -J533-		9
4	Control unit 2 for information electronics -J829-		10
5	Control unit 2 for information electronics -J829-		11
6			12

Back to overview . AUDI A8 2013 Fitting location, sunroof roller blind control unit J394 / sunroof roller blind control unit 2 J867 , panoramic sunroof Fitting location, sunroof roller blind control unit -J394-/sunroof roller blind control unit 2 -J867-, panoramic sunroof Fitting location In centre of roof -1 and 2-.

1 -	Sunroof roller blind control unit 2 -J867-

2 -	Sunroof roller blind control unit -J394-

q	with sunroof roller blind motor -V260-

B -	16-pin connector -T16w-

Connector assignment, sunroof roller blind control unit -J394-/sunroof roller blind control unit 2 -J867-

-T16v- (A)	Designation		-T16w- (B)	Designation
1	Terminal 30, from B250 positive connection in roof wiring harness Fuse holder C -SC-		1	Terminal 30, from B250 positive connection in roof wiring harness Fuse holder C -SC-
2	Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof		2	Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof
3	Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof		3	Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof
4			4
5			5
6			6
7			7
8			8
9			9
10	Button 1 for roof roller blind -E584-		10	Button 2 for roof roller blind -E585-
11	Sliding sunroof adjustment control unit -J245-		11	Sliding sunroof adjustment control unit -J245-
12			12
13	LIN bus, B577 connection (LIN bus) in roof wiring harness B528 connection 1 (LIN bus) in main wiring harness B698 connection 3 (LIN bus) in main wiring harness Convenience system central control unit -J393-		13	LIN bus, B577 connection (LIN bus) in roof wiring harness B528 connection 1 (LIN bus) in main wiring harness B698 connection 3 (LIN bus) in main wiring harness Convenience system central control unit -J393-
14	Sliding sunroof adjustment control unit -J245-		14	Sliding sunroof adjustment control unit -J245-
15			15
16			16	Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof

Back to overview . AUDI A8 2013 Fitting location, rear sliding sunroof control unit J392 / rear sliding sunroof motor V146 , panoramic sunroof Fitting location, rear sliding sunroof control unit -J392-/rear sliding sunroof motor -V146-, panoramic sunroof Fitting location In rear of roof -1-.

1 -	Rear sliding sunroof control unit -J392-

q	with rear sliding sunroof motor -V146-

A -	16-pin connector -T16x-

Connector assignment, rear sliding sunroof control unit -J392-

-T16x- (A)	Designation		-T16x- (A)	Designation
1	Terminal 30, from suppression filter -C24- Fuse holder C -SC-		9
2	Terminal 31, to 431 earth connection 2 in roof wiring harness Suppression filter -C24- 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof		10	Sunroof button -E325-
3			11	Sunroof button -E325-
4			12
5			13	LIN bus, B577 connection (LIN bus) in roof wiring harness B528 connection 1 (LIN bus) in main wiring harness B698 connection 3 (LIN bus) in main wiring harness Convenience system central control unit -J393-
6			14	Sunroof button -E325-
7			15
8			16	Terminal 31, to 431 earth connection 2 in roof wiring harness Suppression filter -C24- 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof

Back to overview . AUDI A8 2013 Fitting location, operating and display unit for rear air conditioning system E265 Fitting location, operating and display unit for rear air conditioning system -E265- Fitting location At rear of centre console -1-.

1 -	Operating and display unit for rear air conditioning system -E265-

q	with heated rear left seat switch with regulator -E128-, heated rear right seat switch with regulator -E129-

B -	20-pin connector -T20h-

Connector assignment, operating and display unit for rear air conditioning system -E265-

-T3bb- (A)	Designation		-T20h- (B)	Designation		-T20h- (B)	Designation
1	Heated bench seat cushion for rear left seat -Z10-		1	LIN bus, B711 connection 6 (LIN bus) in main wiring harness Control unit for air ionisation system -J897- Rear right temperature flap control motor -V314-		11	Earth for control motors, 257 earth connection 2 in Climatronic wiring harness
2	Terminal 30, from fuse holder F -SF-		2	Dash panel insert CAN bus, high Wiring junction for dash panel insert CAN bus, high -TV36-		12
3	Heated bench seat cushion for rear right seat -Z12-		3	Dash panel insert CAN bus, low Wiring junction for dash panel insert CAN bus, low -TV40-		13
			4	Rear left chest vent temperature sender -G635-		14	Rear right chest vent temperature sender -G636-
			5			15
			6	Sender earth, 411 earth connection 2 (sender earth) in main wiring harness 433 earth connection 2 (sender earth) in Climatronic wiring harness		16	Rear right seat temperature sensor -G95-
			7			17	Rear left seat temperature sensor -G94-
			8	Vent temperature sender for rear left footwell -G637-		18
			9	Vent temperature sender for rear right footwell -G638-		19	Terminal 30, from fuse holder F -SF-
			10	Voltage supply to control motors L9 connection 1 in air conditioning system wiring harness		20	Terminal 31, to 387 earth connection 22 in main wiring harness 688 earth point 2 on centre tunnel

Back to overview . AUDI A8 2013 Fitting location, radio R , from model year 2014 Fitting location, radio -R-, from model year 2014 Fitting location In luggage compartment in left luggage compartment recess -1-.

1 -

Radio -R-

B -	2-pin connector -T2dd-, digital radio aerial -R183-, satellite aerial -R170- USA only

E -	10-pin connector -T10h-

H -	8-pin connector -T8c-, loudspeaker outputs

Connector assignment, radio -R-

-T8c- (H)	Designation		-T4ah- (C)	Designation
1	Rear right mid-range and bass loudspeaker -R160-, rear right treble loudspeaker -R16-		1	Aerial amplifier 2 -R111-
2	Front right bass loudspeaker -R23-, front right treble loudspeaker -R22-		2	Screen earth
3	Front left bass loudspeaker -R21-, front left treble loudspeaker -R20-		3	Aerial amplifier -R24-
4	Rear left mid-range and bass loudspeaker -R159-, rear left treble loudspeaker -R14-		4	Screen earth
5	Rear right mid-range and bass loudspeaker -R160-, rear right treble loudspeaker -R16-
6	Front right bass loudspeaker -R23-, front right treble loudspeaker -R22-
7	Front left bass loudspeaker -R21-, front left treble loudspeaker -R20-
8	Rear left mid-range and bass loudspeaker -R159-, rear left treble loudspeaker -R14-

-T12u- (F)	Designation		-T10h- (E)	Designation
29	Multimedia system operating unit 2 -E499-, headphone output, RSE		9	Subwoofer -R211-
30			10	Centre loudspeaker -R208-
31	Multimedia system operating unit 2 -E499-, headphone output, RSE		11	Ring break diagnostic cable B444 connection 1 (diagnosis) in main wiring harness Data bus diagnostic interface -J533-
32			12
33			13	Subwoofer -R211-
34	Multimedia system operating unit 2 -E499-, headphone output, RSE		14	Centre loudspeaker -R208-
35	Multimedia system operating unit 2 -E499-, headphone output, RSE		15
36	Multimedia system operating unit 2 -E499-, headphone output, RSE		16
37	Multimedia system operating unit 2 -E499-, headphone output, RSE		41	Terminal 31, to 391 earth connection 26 in main wiring harness 675 earth point 2 on right in luggage compartment
38	Multimedia system operating unit 2 -E499-, headphone output, RSE		42	Terminal 30, from fuse holder F -SF- Voltage stabilizer -J532-
39	Multimedia system operating unit 2 -E499-, headphone output, RSE
40	Multimedia system operating unit 2 -E499-, headphone output, RSE

Back to overview . AUDI A8 2013 Fitting location, reducing agent metering system control unit J880 Fitting location, reducing agent metering system control unit -J880- Fitting location

On left in luggage compartment above reducing-agent tank -1-. Connectors

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A -	Control unit for reducing agent metering system -J880-

2 -	28-pin connector -T28a-, black

Back to overview . AUDI A8 2013 Fitting location, control unit for NOx sender 2 J881 Fitting location, control unit for NOx sender 2 -J881- Fitting location On vehicle floor, under rear seat bench on left -1-.

1 -	Control unit for NOx sender 2 -J881-, V8 TDI

A -	5-pin connector -T5aw-

Connector assignment, control unit for NOx sender 2 -J881-

-T5aw- (A)	Designation
1	Terminal 30, from B326 positive connection 12 (30a) in main wiring harness Fuse holder A -SA-
2	Terminal 31, to 368 earth connection 3 in main wiring harness 369 earth connection 4 in main wiring harness 34 earth point under driver seat
3	CAN bus, low B394 connection 5 (powertrain bus, low) in main wiring harness Engine control unit -J623-
4	CAN bus, high B387 connection 5 (powertrain bus, high) in main wiring harness Engine control unit -J623-
5	Terminal 31, to 368 earth connection 3 in main wiring harness 369 earth connection 4 in main wiring harness 34 earth point under driver seat

Back to overview . AUDI A8 2013 Fitting location, power latching control unit J657 Fitting location, power latching control unit -J657- Fitting location

Under rear end strip -1-. Connector

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A -	Power latching control unit -J657-

q	with power latching system limit switch, luggage compartment locked -F333-, power latching system limit switch, luggage compartment unlocked -F332-, power latching motor for rear lid -V382-

1 -	5-pin connector -T5z-, black

Back to overview . AUDI A8 2013 Fitting location, lane change assist control unit J769 Fitting location, lane change assist control unit -J769- Fitting location

In bumper trim on rear right -1-. Connector

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A -	Lane change assist control unit -J769-

1 -	12-pin connector -T12m-, black

Back to overview . AUDI A8 2013 Fitting location, lane change assist control unit 2 J770 Fitting location, lane change assist control unit 2 -J770- Fitting location

In bumper trim on rear left -1-. Connector

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A -	Lane change assist control unit 2 -J770-

1 -	12-pin connector -T12n-, black

Back to overview . AUDI A8 2013 Fitting location, battery monitor control unit J367 1 -  Battery -A- 2 -  Battery positive connection 3 -  2-pin connector -T2s-, yellow 4 -  Battery monitor control unit -J367- Back to overview . AUDI A8 2013 Fitting location, fuel pump control unit J538 Fitting location, fuel pump control unit -J538- Fitting location: At bottom left of fuel tank

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A -	12-pin connector -T12s-, black

B -	Fuel pump control unit -J538-

Back to overview . AUDI A8 2013 Fitting location, Control unit for fuel tank leak detection J909 Fitting location, Control unit for fuel tank leak detection -J909- Fitting location At bottom left of fuel tank

A -	5-pin connector -T5p-, black

B -	Control unit for fuel tank leak detection -J909-

Back to overview .

AUDI A8 2013 Overview of control units, high-voltage models

Overview of control units, high-voltage models

Drive battery -A2-

q	Components: -J840-, -A38-, -TW-, -TV44-, -AX1-, -S350-, -P1-, -P2-, -PX1-

q	Fitting location and connectors

Battery cooling module for high-voltage system

q	Components: -G756-, -G757-, -N516-, -V457-, -V479-, -V480-

q	Fitting location and connectors

Second battery -A1- for high-voltage system

q	Components: -J934-

q	Fitting location and connectors

AUDI A8 2013 Fitting location, electrical air conditioner compressor V470 Fitting location, electrical air conditioner compressor -V470- Fitting location On left of engine block -2-.

3 -	4-pin connector -T4ii-, high-voltage wire for electrical air conditioner compressor -P3-

Back to overview . AUDI A8 2013 Fitting location, power and control electronics for electric drive JX1 Fitting location, power and control electronics for electric drive -JX1- Fitting location In front left of engine compartment -A-.

A -	Power and control electronics for electric drive -JX1-

Internal components: Electric drive control unit -J841-, DC/AC converter for drive motor -A37-, voltage converter -A19-, intermediate circuit capacitor 1 -C25-

A2 -	1-pin connector -T1y-, high-voltage wire for hybrid battery, positive terminal -P1-

A4 -	1-pin connector -T1u-, high-voltage wire 3 for drive motor -P6-

A6 -	1-pin connector -T1s-, high-voltage wire 1 for drive motor -P4-

A7 -	28-pin connector -T28b-, black

Back to overview . AUDI A8 2013 Fitting location, electric drive motor V141 Fitting location, electric drive motor -V141- Fitting location In gearbox housing.

A -	Electric drive motor -V141-

Internal components: Three-phase current drive -VX54-, drive motor temperature sender -G712-

A2 -	1-pin connector -T1v-, high-voltage wire 1 for drive motor -P4-

A4 -	1-pin connector -T1x-, high-voltage wire 3 for drive motor -P6-

A5 -	2-pin connector -T2ql-, black

Back to overview . AUDI A8 2013 Fitting location, drive battery A2 Fitting location, drive battery -A2- Fitting location Under boot lid -A-.

A -	Drive battery -A2-

Internal components: Hybrid battery unit -AX1-, battery regulation control unit -J840-, hybrid battery -A38-

A2 -	14-pin connector -T14m-, black

A4 -	1-pin connector -T1aa-, high-voltage wire for hybrid battery, positive terminal -P1-

A5 -	Plug position for maintenance connector for high-voltage system -TW-

A6 -	Maintenance connector for high-voltage system -TW- with high-voltage system fuse -S350-

A7 -	Safety connector 1 -TV44-

Back to overview . AUDI A8 2013 Fitting location, battery cooling module for high-voltage system Fitting location, battery cooling module for high-voltage system Fitting location Under boot lid -1-.

1 -	Battery cooling module for high-voltage system

Components:

t	Temperature sensor before evaporator for hybrid battery -G756-

t	Temperature sensor after evaporator for hybrid battery -G757-

t	Refrigerant shot-off valve 1 for hybrid battery -N516-

t	Battery fan 1 -V457-

t	Air recirculation flap 1 control motor for hybrid battery -V479-

t	Air recirculation flap 2 control motor for hybrid battery -V480-

Back to overview . AUDI A8 2013 Fitting location, wiring junction TV1 for high-voltage system Fitting location, wiring junction -TV1- for high-voltage system Fitting location Under boot lid, on right next to battery -A-.

A -	Wiring/connections to battery -A-

B -	Vehicle starter battery switch-over relay -J580-

H1 -	2-pin connector -T2qp-, black

Back to overview . AUDI A8 2013 Fitting location, second battery A1 for high-voltage system Fitting location, second battery -A1- for high-voltage system Fitting location Under boot lid, behind battery -A-.

1 -	Second battery -A1-

2 -	Battery positive

3 -	Battery monitor control unit 2 -J934-

4 -	2-pin connector -T2qq-, yellow

Back to overview .

AUDI A8 2013 Overview of fuses

Overview of fuses

Fuse holder A -SA-

t	Glow plug fuse -S125-

t	Secondary air pump fuse -S130-

t	Glow plug fuse 2 -S189-

t	Fuse 7 (30) -S210-

t	Secondary air pump fuse 2 -S284-

q	Fitting location and fuse assignment

q	Fitting location and fuse assignment, right-hand drive models

Fuses on right A-pillar fuse holder

t	ABS control unit fuse 1 -S123-

t	Auxiliary heater fuse -S126-

q	Fitting location and fuse assignment

Fuse holder on control unit for reducing agent metering system -J880-

t	Fuse (30) for reducing agent metering system -S363-

t	Fuse (30) for reducing agent heater -S364-

q	Fitting location and fuse assignment

q	Fitting location and fuse assignment, right-hand drive models

8 -	Fuses on left A-pillar fuse holder

q	Right-hand drive vehicles only

q	Fitting location and fuse assignment, right-hand drive models

q	Fitting location and fuse assignment, right-hand drive models

Fuse holder, catalytic converter heater

t	Catalytic converter heater fuse -S351-

t	Catalytic converter heater fuse 2 -S354-

q	Fitting location and fuse assignment

Front end fuse holder

t	Radiator fan single fuse -S42-

t	Radiator fan fuse for 2nd speed -S104-

q	Fitting location and fuse assignment

Terminal 30 wiring junction 2 -TV22-

q	Fitting location and fuse assignment

AUDI A8 2013 Fitting location, fuse holder A SA Fitting location, fuse holder A -SA- Fitting location

On right in engine compartment -1- . Fuse colours t  40 A - orange t  30 A - light green t  25 A - clear t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light brown Assignment

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A -	Fuse holder A -SA-

q	Fuse assignment, petrol engine

q	Fuse assignment, diesel engine

q	Fuse assignment, high-voltage models

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

q	for models with petrol engine

B -	Glow plug fuse -S125- , 80 A

q	for models with diesel engine

C -	Glow plug fuse 2 -S189- , 80 A

q	for models with 8-cylinder diesel engine

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

q	for models with 12-cylinder petrol engine

C -	Fuse 7 (30) -S210- , 50 A

q	for high-voltage models only

Back to overview .

Fuse assignment, fuse holder A -SA- , petrol engine

No.		Current flow diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder A -SA1-	5 A 1) 2) 10 A 3)	-	Air mass meter -G70-1) 2) Air mass meter 2 -G246-1) 2) Secondary air pump relay -J299-3) Left electrohydraulic engine mounting solenoid valve -N144-3) Right electrohydraulic engine mounting solenoid valve -N145-3) Charge air cooling pump -V188-3)	87
2	-	Fuse 2 on fuse holder A -SA2-	5 A 2) 3)	-	Exhaust flap control unit -J883-2) 3) Exhaust flap control unit 2 -J945-2) 3)	87
3	-	Fuse 3 on fuse holder A -SA3-	20 A3) 4) 5) 30 A 1) 2) 6) 7)	-	Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition coil 5 with output stage -N323- Ignition coil 6 with output stage -N324- Ignition coil 7 with output stage -N325-1) 2) 6) 7) Ignition coil 8 with output stage -N326-1) 2) 6) 7) Ignition coil 9 with output stage -N327-1) 2) Ignition coil 10 with output stage -N328-1) 2) Ignition coil 11 with output stage -N329-1) 2) Ignition coil 12 with output stage -N330-1) 2)	87
4	-	Fuse 4 on fuse holder A -SA4-	10 A1) 4) 5) 6) 7)	-	Fuel metering valve -N290-1) 4) 5) 6) 7) Fuel metering valve 2 -N402-1) 6) 7)	87
5	-	Fuse 5 on fuse holder A -SA5-	5 A	-	Radiator fan control unit -J293- Radiator fan control unit 2 -J671- Fuel pump relay -J17-	87
6	-	Fuse 6 on fuse holder A -SA6-	5 A	-	Brake light switch -F- Exhaust flap control unit -J883-7) 8) Exhaust flap control unit 2 -J945-7) 8) Exhaust flap 1 valve -N321-9) 10) Exhaust flap 2 valve -N322-9) 10)	87
7	-	Fuse 7 on fuse holder A -SA7-	10 A1) 2) 3) 4) 15 A5) 6) 7)	-	Camshaft control valve 1 -N205- Camshaft control valve 2 -N208- Exhaust camshaft control valve 1 -N318-1) 2) 3) 5) 6) 7) Exhaust camshaft control valve 2 -N319-1) 2) 3) 5) 6) 7) Charge pressure control solenoid valve -N75-7) Intake manifold flap valve -N316-3) 4) Actuators for camshaft adjustment-F366- … -F377-5) Continued coolant circulation pump -V51-1) 2)	87
8	-	Fuse 8 on fuse holder A -SA8-	5 A	-	Oil level and oil temperature sender -G266-	87
9	-	Fuse 9 on fuse holder A -SA9-	15 A	-	Engine control unit -J623- Engine control unit 2 -J624-1) 2)	87
10	-	Fuse 10 on fuse holder A -SA10-	15 A 20 A3)	-	Lambda probe heater -Z19- Lambda probe heater 2 -Z28- Lambda probe heater 3 -Z62-1) 2) Lambda probe heater 4 -Z63-1) 2)	87
11	-	Fuse 11 on fuse holder A -SA11-	15 A	-	Map-controlled engine cooling system thermostat -F265-6) 7) Cam adjuster for cylinder -F452- … -F459-7) Cam adjuster for cylinder 5 -F464- … -F467-7) Cam adjuster for cylinder 8 -F476- … -F479-7) Secondary air pump relay -J299-1) 2) 4) 5) 6) 7) Secondary air pump relay 2 -J545-1) 2) Heater element for crankcase breather -N79-1) 2) Activated charcoal filter solenoid valve 1 -N80- Secondary air inlet valve -N112-3) 4) 5) 6) 7) Activated charcoal filter solenoid valve 2 -N115-2) Left electrohydraulic engine mounting solenoid valve -N144-1) 4) 5) 6) Right electrohydraulic engine mounting solenoid valve -N145-1) 4) 5) 6) Variable intake manifold changeover valve -N156-5) 6) Turbocharger air recirculation valve -N249-7) Gearbox mounting valve 1 -N262-1) 2) 6) 7) Gearbox mounting valve 2 -N263-1) 2) 6) 7) Intake manifold flap valve -N316-3) 4) Secondary air inlet valve 2 -N320-4) 6) 7) Exhaust flap 1 valve -N321-1) 4) 5) Exhaust flap 2 valve -N322-1) Exhaust gas recirculation cooler changeover valve -N345-4) Magnetic clutch for compressor -N421-3) Turbocharger air recirculation valve, cylinder bank 2 -N427-7) Valve for oil pressure control -N428- Coolant valve for gearbox -N488-6) 7) Coolant valve for cylinder head -N489-6) 7) Solenoid valve for coolant circuit -N492-3) 5) Gearbox oil cooling valve -N509-2) 3) 4) 5) 6) 7) Piston cooling jet control valve -N522-7) Crankcase breather shut-off valve -N548-3) 4) 5) 9) Engine oil cooler valve -N554-3) Continued coolant circulation pump -V51-6) 7) Continued coolant circulation pump 2 -V178-7) Charge air cooling pump -V188-4) 7)	87
12	-	Fuse 12 on fuse holder A -SA12-	15 A 20 A3)	-	Lambda probe 1 heater after catalytic converter -Z29- Lambda probe 2 heater after catalytic converter -Z30- Lambda probe 3 heater after catalytic converter -Z64-1) 2) Lambda probe 4 heater after catalytic converter -Z65-1) 2)	87

t	1) for engine code CEJA only

t	2) for engine code CTNA only

t	3) for engine codes CREA, CREC, CREG, CTDA only

t	4) for engine codes CGWA, CGXC, CMDA, CGXB, CGWD, CTUB only

t	5) for engine codes CPAA, CVBA only

t	6) for engine code CDRA only

t	7) for engine codes CEUA, CGTA, CTGA, CTFA, CEUE, CTGD, DDTA, CTGF only

t	8) not for American markets

t	9) for American markets only

t	10) gradually discontinued

Back to overview .

Fuse assignment, fuse holder A -SA- , diesel engine

No.		Current flow diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder A -SA1-	5 A	-	Air mass meter -G70- Air mass meter 2 -G246-1) 6)	87
2	-	Fuse 2 on fuse holder A -SA2-	5 A 3) 6) 10 A 7)	-	Control unit for NOx sender -J583-3) 6) Control unit for NOx sender 2 -J881-3) 6) 7) Particulate sensor -G784-3) Control unit for reducing agent metering system -J880-3) 6) 7) Catalytic converter heater control unit 1 -T17g- Coupling station, electronics box in engine compartment 2)	87
3	-	not assigned		-
4	-	Fuse 4 on fuse holder A -SA4-	15 A	-	Engine control unit -J623- Engine control unit 2 -J624-1) 6)	87
5	-	Fuse 5 on fuse holder A -SA5-	5 A	-	Radiator fan control unit -J293- Radiator fan control unit 2 -J671- Fuel pump relay -J17-	87
6	-	Fuse 6 on fuse holder A -SA6-	5 A	-	Brake light switch -F-	87
7	-	Fuse 7 on fuse holder A -SA7-	10 A 1) 6)	-	Glow period control unit 2 -J703-1) 6) Left electrohydraulic engine mounting solenoid valve -N144-1) 6) Gearbox mounting valve 2 -N263-1) 6) Coolant valve for gearbox -N488-1) 4) Gearbox oil cooling valve -N509-1) 6)	87
8	-	Fuse 8 on fuse holder A -SA8-	5 A	-	Oil level and oil temperature sender -G266-	87
9	-	Fuse 9 on fuse holder A -SA9-	10 A	-	Gearbox mounting valve 1 -N262-1) 4) Fuel pressure regulating valve -N276- Fuel metering valve -N290-	87
10	-	Fuse 10 on fuse holder A -SA10-	15 A 10 A7)	-	Lambda probe heater -Z19- Lambda probe 2 heater -Z28-1) 6)	87
11	-	Fuse 11 on fuse holder A -SA11-	15 A	-	Automatic glow period control unit -J179- Right electrohydraulic engine mounting solenoid valve -N145- Exhaust gas recirculation cooler changeover valve -N345- Valve for oil pressure control -N428- Coolant valve for cylinder head -N489- 17-pin connector -T17h- Coupling station, electronics box in engine compartment 1) 4) 17-pin connector -T17g- Coupling station, electronics box in engine compartment 7) Variable intake manifold changeover valve 2 -N261-2) Map-controlled engine cooling system thermostat -F265-2) 3) 7) Left electrohydraulic engine mounting solenoid valve -N144-2) 3) 7) Gearbox oil cooling valve -N509-2) 3) 7) Gearbox mounting valve 1 -N262-1) 5) 6)	87
12	-	Fuse 12 on fuse holder A -SA12-	15 A 1) 6)	-	Continued coolant circulation pump -V51-1) 4) Pump for exhaust gas recirculation cooler -V400-	87

t	1) for engine code CDSB only

t	2) for engine codes CDTA, CDTB, CLAB, CDTC only

t	3) for engine codes CMHA, CPNA, CPNB only

t	4) up to October 2011

t	5) from November 2011

t	6) for engine code CTEC only

t	7) for engine codes CTBA, CTBB only

Back to overview .

Fuse assignment, fuse holder A -SA- , high-voltage models

No.		Current flow diagram designation	Nominal value		Function/component	Terminal
1	-	not assigned		-
2	-	Fuse 2 on fuse holder A -SA2-	5 A	-	Low-temperature circuit coolant pump -V468-	87
3	-	Fuse 3 on fuse holder A -SA3-	20 A	-	Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292-	87
4	-	Fuse 4 on fuse holder A -SA4-	10 A	-	Fuel pressure regulating valve -N276- Solenoid for coolant circuit -N492-	87
5	-	Fuse 5 on fuse holder A -SA5-	5 A	-	Radiator fan control unit -J293- Radiator fan control unit 2 -J671- Fuel pump relay -J17-	87
6	-	Fuse 6 on fuse holder A -SA6-	5 A	-	Brake light switch -F- Exhaust flap control unit -J883- Exhaust flap control unit 2 -J945-	87
7	-	Fuse 7 on fuse holder A -SA7-	15 A	-	Actuator for camshaft adjustment -F366- … -F373- Secondary air pump relay -J299- Charge pressure control solenoid valve -N75- Activated charcoal filter solenoid valve 1 -N80- Secondary air inlet valve -N112- Left electrohydraulic engine mounting solenoid -N144- Right electrohydraulic engine mounting solenoid -N145- Camshaft control valve 1 -N205- Turbocharger air recirculation valve -N249- Gearbox mounting valve 1 -N262- Gearbox mounting valve 2 -N263- Intake manifold flap valve -N316- Valve for oil pressure control -N428- Continued coolant circulation pump -V51- Continued coolant circulation pump -V50- Coolant pump for high-temperature circuit -V467-	87
8	-	Fuse 8 on fuse holder A -SA8-	5 A	-	Oil level and oil temperature sender -G266-	87
9	-	Fuse 9 on fuse holder A -SA9-	15 A	-	Engine control unit -J623-	87
10	-	Fuse 10 on fuse holder A -SA10-	15 A	-	Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29-	87
11	-	Fuse 11 on fuse holder A -SA11-	5 A	-	Brake pedal position sender -G100-	87
12	-	not assigned		-

Back to overview .

AUDI A8 2013 Fitting location, fuse holder B -SB- , left-hand drive Fitting location

On right in dash panel -2- . Fuse colours t  40 A - orange t  30 A - light green t  25 A - clear t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light brown Assignment

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1 -	not assigned

2 -	Fuse carrier 2 -ST2- , black

q	Fuse assignment

3 -	Fuse carrier 3 -ST3- , red

q	for special vehicles only

q	Fuse assignment

Back to overview .

.

   

.

AUDI A8 2013

Fitting location, fuse holder B -SB- , right-hand drive

Fitting location

on left in dash panel

Fuse colours

t	40 A - orange

t	30 A - light green

t	25 A - clear

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

Assignment

   

ST1 -

not assigned

ST2 -

Fuse carrier 2 -ST2- , black

q	Fuse assignment

ST3 -

not assigned

Back to overview .

Fuse assignment, fuse carrier 2 -ST2- , black, right-hand drive

No.		Current flow diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder B -SB1-	5 A	-	Anti-theft alarm sensor -G578- Alarm horn -H12-	30
2	-	Fuse 2 on fuse holder B -SB2-	20 A	-	Rear sliding sunroof control unit -J392- Rear sliding sunroof motor -V146-	30
3	-	Fuse 3 on fuse holder B -SB3-	40 A	-	Fresh air blower control unit -J126-	30
4	-	Fuse 4 on fuse holder B -SB4-	20 A	-	Sliding sunroof adjustment control unit -J245- Sliding sunroof motor -V1-	30
5	-	Fuse 5 on fuse holder B -SB5-	40 A	-	Sunroof roller blind control unit -J394- Sunroof roller blind control unit 2 -J867- Sunroof roller blind motor -V260-	30
6	-	Fuse 6 on fuse holder B -SB6-	7.5 A	-	Roof electronics control unit -J528-	30
7	-	Fuse 7 on fuse holder B -SB7-	7.5 A1)	-	Front passenger door control unit -J387-1)	30
8	-	Fuse 8 on fuse holder B -SB8-	30 A	-	Front passenger door control unit -J387-	30
9	-	Fuse 9 on fuse holder B -SB9-	10 A	-	ABS control unit -J104-	30
10	-	Fuse 10 on fuse holder B -SB10-	25 A	-	ABS control unit -J104-	30
11	-	Fuse 11 on fuse holder B -SB11-	30 A	-	Rear left door control unit -J388-	30
12	-	Fuse 12 on fuse holder B -SB12-	15 A 7.5 A2)	-	Control unit for front left multicontour seat -J873-	30

Note: t  1) up to May 2011 t  2) from June 2011 Back to overview . AUDI A8 2013 Fitting location, fuse holder C -SC- , left-hand drive Fitting location

On left in dash panel -1- . Fuse colours t  40 A - orange t  30 A - light green t  25 A - clear t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light brown

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Assignment

1 -	not assigned

2 -	Fuse carrier 2 -ST2- , brown

q	Fuse assignment

3 -	Fuse carrier 3 -ST3- , black

q	Fuse assignment

Back to overview .

.

   

.

AUDI A8 2013

Fitting location, fuse holder C -SC- , right-hand drive

Fitting location

on right in dash panel

Fuse colours

t	40 A - orange

t	30 A - light green

t	25 A - clear

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

   

Assignment

ST1 -

not assigned

ST2 -

Fuse carrier 2 -ST2- , brown

q	Fuse assignment

ST3 -

Fuse carrier 3 -ST3- , black

q	Fuse assignment

Back to overview .

Fuse assignment, fuse carrier 2 -ST2- , brown, right-hand drive

No.		Current flow diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	5 A	-	Light switch -E1-	30
2	-	Fuse 2 on fuse holder C -SC2-	5 A	-	Entry​and​start​authorisation​switch -E415-	30
3	-	Fuse 3 on fuse holder C -SC3-	7.5 A1)	-	Rear right door control unit -J389-1)	30
4	-	not assigned		-
5	-	Fuse 5 on fuse holder C -SC5-	15 A	-	Horn relay -J413- Treble horn -H2- Bass horn -H7-	30
6	-	Fuse 6 on fuse holder C -SC6-	5 A	-	Engine control unit -J623- Engine control unit 2 -J624-	30
7	-	not assigned		-
8	-	Fuse 8 on fuse holder C -SC8-	10 A	-	Steering column electronics control unit -J527-	30
9	-	not assigned		-
10	-	Fuse 10 on fuse holder C -SC10-	5 A	-	Control unit for electronic steering column lock -J764-	30
11	-	Fuse 11 on fuse holder C -SC11-	7.5 A1)	-	Driver door control unit -J386-1)	30
12	-	Fuse 12 on fuse holder C -SC12-	10 A	-	Rain and light sensor -G397- 16-pin connector -T16- , diagnostic connector	30
13	-	Fuse 13 on fuse holder C -SC13-	5 A	-	Remote control receiver for auxiliary heater -R64-	30
14	-	Fuse 14 on fuse holder C -SC14-	25 A	-	Control unit for electrically adjustable steering column -J866- Steering column vertical adjustment motor -V123- Steering column axial adjustment motor -V124-	30
15	-	Fuse 15 on fuse holder C -SC15-	20 A	-	Onboard supply control unit -J519-	30
16	-	Fuse 16 on fuse holder C -SC16-	15 A	-	Brake servo relay -J569- Vacuum pump for brakes -V192-	30

Note: 1) up to May 2011 Back to overview .

Fuse assignment, fuse carrier 3 -ST3- , black, right-hand drive

No.		Current flow diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	30 A	-	Onboard supply control unit -J519-	30
2	-	Fuse 2 on fuse holder C -SC2-	30 A	-	Wiper motor control unit -J400-	30
3	-	Fuse 3 on fuse holder C -SC3-	30 A	-	Onboard supply control unit -J519-	30
4	-	Fuse 4 on fuse holder C -SC4-	35 A	-	Motronic current supply relay -J271- Terminal 30 voltage supply relay -J317- Engine components current supply relay -J757-	30
5	-	Fuse 5 on fuse holder C -SC5-	30 A	-	Driver door control unit -J386- Driver side window regulator motor -V147-	30
6	-	Fuse 6 on fuse holder C -SC6-	15 A 7.5 A 1)	-	Control unit for front right multicontour seat -J872-	30
7	-	Fuse 7 on fuse holder C -SC7-	15 A	-	Automatic gearbox control unit -J217-	30
8	-	Fuse 8 on fuse holder C -SC8-	35 A	-	Active steering control unit -J792-	30
9	-	Fuse 9 on fuse holder C -SC9-	30 A	-	Onboard supply control unit -J519-	30
10	-	Fuse 10 on fuse holder C -SC10-	35 A	-	Onboard supply control unit -J519-	30
11	-	Fuse 11 on fuse holder C -SC11-	30 A	-	Rear right door control unit -J389- Rear right window regulator motor -V27-	30
12	-	Fuse 12 on fuse holder C -SC12-	30 A	-	Auxiliary heater control unit -J364-	30

Note: 1) from June 2011 Back to overview . AUDI A8 2013 Fitting location, fuse holder D SD Fitting location, fuse holder D -SD- Fitting location

In luggage compartment, on the battery.

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Assignment A -  Battery isolation igniter -N253- 1 -  Fuse 1 on fuse holder D -SD1- , 175 A 2 -  Fuse 2 on fuse holder D -SD2- , 110 A 3 -  Fuse 3 on fuse holder D -SD3- , 40 A/80 A/150 A Back to overview . AUDI A8 2013 Fitting location, fuse holder F SF Fitting location, fuse holder F -SF- Fitting location

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On right in luggage compartment, on rear panel -1- . Fuse colours t  40 A - orange t  30 A - light green t  25 A - clear t  20 A - yellow t  15 A - light blue t  10 A - red t  7.5 A - brown t  5 A - light brown

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Assignment up to model year 2013

A -	Fuse carrier 1 -ST1- , black

q	Fuse assignment

B -	Fuse carrier 2 -ST2- , red

q	Fuse assignment

C -	Fuse carrier 3 -ST3- , brown

q	Fuse assignment

D -	Fuse carrier 4 -ST4- , black

q	Fuse assignment

E -	Fuse carrier 5 -ST5- , red

q	Fuse assignment

F -	Fuse carrier 6 -ST6- , brown

q	Fuse assignment

G -	46-pin connector -T46- , black, CAN disconnector

H -	Heated rear window fuse -S41- , 40 A

J -	Levelling system fuse -S110- , 40 A

K -	Start/Stop operation fuse -S349- , 40 A

L -	Front passenger seat adjustment thermal fuse 1 -S46- , 15 A

M -	not assigned

N -	Fuse 1 -S131-

q	left-hand drive 80 A

q	right-hand drive 110 A

P -	Fuse 2 -S132- , 110 A

Assignment from model year 2014

A -	Fuse carrier 1 -ST1- , black

q	Fuse assignment

B -	Fuse carrier 2 -ST2- , red

q	Fuse assignment

C -	Fuse carrier 3 -ST3- , brown

q	Fuse assignment

D -	Fuse carrier 4 -ST4- , black

q	Fuse assignment

E -	Fuse carrier 5 -ST5- , red

q	Fuse assignment

F -	Fuse carrier 6 -ST6- , brown

q	Fuse assignment

G -	46-pin connector -T46- , black, CAN disconnector

H -	Fuse 4 -S134- , 40 A 1)

J -	Heated rear window fuse -S41- , 40 A

K -	Levelling system fuse -S110- , 40 A

L -	Start/Stop operation fuse -S349- , 40 A

M -	Terminal 30 voltage supply fuse -S190- , 50 A

N -	8-pin connector -T8h- , from refrigerator box -J698-

O -	Front passenger seat adjustment thermal fuse 1 -S46- , 15 A

P -	Fuse 1 -S131-

q	left-hand drive 80 A

q	right-hand drive 110 A

Q -	Fuse 2 -S132- , 110 A

R -	Terminal 30 junction

S -	Terminal 30 junction

t  1) from September 2013 Back to overview .

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AUDI A8 2013 Fitting location, fuse holder on right A-pillar

Fitting location, fuse holder on right A-pillar

Fitting location

   

On lower part of right A-pillar -1- Assignment

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A -	not assigned

B -	not assigned

C -	ABS control unit fuse 1 -S123- , 50 A

q	Left-hand drive vehicles only

D -	Auxiliary heater fuse -S126- , 150 A

Back to overview . AUDI A8 2013 Fitting location of fuse holder on left A-pillar, right-hand drive Fitting location of fuse holder on left A-pillar, right-hand drive Fitting location On lower part of left A-pillar. Assignment

A -	ABS control unit fuse 1 -S123- , 50 A

B -	not assigned

C -	not assigned

Back to overview . AUDI A8 2013 Fitting location of front end fuse holder Fitting location of front end fuse holder Fitting location

At front of longitudinal member, near radiator fan -1- . Assignment

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1 -	Earth connection to 685 earth point 1, at front of right longitudinal member

2 -	Radiator fan single fuse -S42-

q	40 A, without trailer towing attachment

q	60 A with trailer towing attachment

3 -	Radiator fan fuse for 2nd speed -S104-

q	40 A, without trailer towing attachment

q	60 A with trailer towing attachment

4 -	Terminal 30 from terminal 30 wiring junction 2 -TV22-

Back to overview . AUDI A8 2013 Fitting location of fuse holder on onboard supply control unit -J519- , left-hand drive Fitting location Behind dash panel on driver side. Assignment

A -	not assigned

B -	Driver seat adjustment thermal fuse 1 -S44- , 15 A

C -	not assigned

D -	not assigned

Back to overview . AUDI A8 2013 Fitting location of fuse holder on onboard supply control unit -J519- , right-hand drive Fitting location Behind dash panel on driver side. Assignment

A -	Driver seat adjustment thermal fuse 1 -S44- , 15 A

Back to overview . AUDI A8 2013 Fitting location of fuse holder on control unit for reducing agent metering system J880 Fitting location of fuse holder on control unit for reducing agent metering system -J880- Fitting location

On left in luggage compartment above reducing-agent tank -1- . Assignment

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A -	Fuse (30) for reducing agent heater -S364- , 30 A

B -	Fuse (30) for reducing agent metering system -S363- , 10 A

Back to overview . AUDI A8 2013 Fitting location, terminal 30 wiring junction -TV2- , high-voltage models Fitting location At front left in engine compartment on the power and control electronics for electric drive -JX1- . Assignment

1 -	Fuse 1 (30) -S204- , 150 A

2 -	Fuse 2 (30) -S205- , 60 A

3 -	Positive wire from terminal 30 wiring junction 2 -TV22-

4 -	Positive wire to power steering control unit -J500- , high-voltage models

5 -	Positive wire to power and control electronics for electric drive -JX1- , high-voltage models

Back to overview . AUDI A8 2013 Fitting location, terminal 30 wiring junction 2 -TV22- with jump start socket -U6- Fitting location In rear right of engine compartment. Assignment

1 -

Cover

2 -	Jump start socket -U6- , positive

3 -	Terminal 30 wiring junction 2 -TV22-

Back to overview . AUDI A8 2013 Fitting location of fuse holder, catalytic converter heater Fitting location of fuse holder, catalytic converter heater Fitting location At centre in plenum chamber. Assignment

1 -	Fuse holder, catalytic converter heater

2 -	from terminal 30 wiring junction 2 -TV22-

3 -	to catalytic converter heater control unit 1 -J1021-

4 -	to catalytic converter heater control unit 1 -J1021-

A -	Catalytic converter heater fuse -S351-

B -	Catalytic converter heater fuse 2 -S354-

Back to overview .

AUDI A8 2013

AUDI A8 2013 Overview of earth points

Overview of earth points

q	Fitting location on V8 TFSI

q	Fitting location on V6 TFSI

q	Fitting location on V8 TFSI

q	Fitting location on V6 TFSI

1 -  638 Earth point on right A-pillar Fitting location: On right A-pillar. Tightening torque: 9 Nm

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1 -  43 Earth point on lower part of right A-pillar Fitting location: lower part of right A-pillar. Tightening torque: 9 Nm

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1 -  35 Earth point under front passenger seat Fitting location: Under front passenger seat. Tightening torque: 9 Nm

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1 -  689 Earth point at centre front of roof Fitting location: At centre front of roof, behind front interior light -W1- . Tightening torque: 9 Nm

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1 -  688 Earth point 2 on centre tunnel Fitting location: Under rear centre console. Tightening torque: 9 Nm

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1 -  62 Earth point on right C-pillar Fitting location: On lower part of right C-pillar. Tightening torque: 9 Nm

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1 -  675 Earth point 2 on right in luggage compartment Fitting location: On right in luggage compartment, on rear panel next to control unit bracket. Tightening torque: 9 Nm

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1 -  51 Earth point on right in luggage compartment Fitting location: In luggage compartment, rear right, under storage compartment. Tightening torque: 9 Nm

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1 -  624 Earth point next to starter battery Fitting location: At rear right in luggage compartment, next to the battery -A- Tightening torque: 20 Nm

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1 -  657 Earth point 1 on left near rear window Fitting location: On left of rear window, near window aerial suppression filter -C18- . Tightening torque: 9 Nm

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1 -  733 Earth point 3 on left in luggage compartment Fitting location: On left in luggage compartment, on rear panel next to sound amplifier. Tightening torque: 9 Nm

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1 -  676 Earth point 2 on left in luggage compartment Fitting location: At rear left of luggage compartment, under storage compartment, near control unit for electromechanical parking brake -J540- . Tightening torque: 9 Nm

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2 -  50 Earth point on left in luggage compartment Fitting location: At rear left of luggage compartment, under storage compartment, near control unit for electromechanical parking brake -J540- . Tightening torque: 9 Nm

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1 -  61 Earth point on left C-pillar Fitting location: On lower part of left C-pillar. Tightening torque: 9 Nm

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1 -  690 Earth point at rear centre of roof Fitting location: On rear centre of roof frame, near roof aerial -R216- . Tightening torque: 9 Nm

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1 -  34 Earth point under driver seat Fitting location: Under driver seat. Tightening torque: 9 Nm

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1 -  704 Earth point 2 under driver seat Fitting location: In driver footwell, on active steering control unit -J792- . Tightening torque: 6 Nm

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1 -  687 Earth point 1 on centre tunnel Fitting location: Under front of centre console. Tightening torque: 9 Nm

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2 -  602 Earth point in front left footwell Fitting location: On lower part of left A-pillar. Tightening torque: 9 Nm

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1 -  639 Earth point on left A-pillar Fitting location: On lower part of left A-pillar. Tightening torque: 9 Nm

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1 -  685 Earth point 1 on front of right longitudinal member Fitting location: On front right of longitudinal member, behind wheel housing. Tightening torque: 9 Nm

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V8 FSI Pfeil -  600 Earth point on right of cylinder head Fitting location: At front right of cylinder head Tightening torque: 9 Nm

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V8 FSI Pfeil -  600 Earth point on right of cylinder head Fitting location: At front right of cylinder head Tightening torque: 9 Nm

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V6 FSI Pfeil -  600 Earth point on right of cylinder head Fitting location: At front right of cylinder head Tightening torque: 9 Nm

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V8 FSI Pfeil -  601 Earth point on left of cylinder head Fitting location: At front left of cylinder head Tightening torque: 9 Nm

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V8 FSI Pfeil -  601 Earth point on left of cylinder head Fitting location: At front left of cylinder head Tightening torque: 9 Nm

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V6 FSI Pfeil -  601 Earth point on left of cylinder head Fitting location: At front left of cylinder head Tightening torque: 9 Nm

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AUDI A8 2013 Overview of coupling stations

Overview of coupling stations

Coupling station on right of A-pillar

q	left-hand drive only

q	Connectors: -T6as-, -T17k-

q	Location and connectors

Coupling point on front right door

q	Connectors: -T23b-, -T5au-

q	Location and connectors

Coupling station under right front seat

q	Connectors: -T3f-, -T4ev-, -T4ew-, -T6q-, -T10a-, -T17r-

q	Location and connectors

Rear bumper coupling point

q	Connectors: -T10d-, -T10e-

q	Location and connectors

Coupling point on high-voltage vehicle air conditioner

q	Connectors: -T14l-, -T2qn-

q	Location and connector

Coupling station under centre console, front left

q	Connectors: -T5r-, -T17i-

q	Location and connectors

Coupling point on front left door

q	Connectors: -T23a-, -T5at-

q	Location and connectors

17 -	Coupling station on left A-pillar

q	Right-hand drive vehicles only

q	Connectors: -T6as-, -T17k-

q	Location and connectors

Coupling station on 7-slot relay carrier

q	Connectors: -T6n-, -T17m-, -T17l-, -T17p-

q	Location and connectors, left-hand drive models

q	Location and pin connectors, right-hand drive models

Front left bumper couplings

q	Connectors: -T4h-, -T5e-

q	Location and connector

AUDI A8 2013 Coupling station, electronics box in engine compartment Coupling station, electronics box in engine compartment Fitting location

in engine compartment, right -1-. Connectors:

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4 -

Vacant

5 -	17-pin connector -T17h-, red

6 -	17-pin connector -T17g-, brown

7 -	17-pin connector -T17f-, black

Back to overview . AUDI A8 2013 Coupling station on right of A-pillar Coupling station on right of A-pillar Fitting location

on lower section of right A-pillar -1-. Connectors:

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1 -	17-pin connector -T17k-, blue

2 -	6-pin, connector -T6as-, black

Back to overview . AUDI A8 2013 Coupling station under right front seat Coupling station under right front seat Fitting location

under right front seat -2-. Connectors:

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1 -	6-pin, connector -T6q-, green

2 -	17-pin connector -T17r-, red

3 -	10-pin connector -T10a-, black

4 -	4-pin connector -T4ev-, black

5 -	3-pin connector -T3f-, yellow

6 -

Vacant

7 -	4-pin connector -T4ew-, black

8 -

Vacant

9 -

Vacant

10 -

Vacant

Back to overview . AUDI A8 2013 Coupling station under right rear seat Coupling station under right rear seat Fitting location

under right rear seat, right -1-. Connectors:

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1 -	17-pin connector -T17t-, red

1 -	6-pin, connector -T6aa-, green

2 -	3-pin connector -T3h-, yellow

Back to overview . AUDI A8 2013 CAN disconnector on relay and fuse carrier, on right in luggage compartment CAN disconnector on relay and fuse carrier, on right in luggage compartment Fitting location

on right in luggage compartment, on rear panel -2-. Connector up to model year 2013

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G -	46-pin connector -T46-, black, CAN disconnector

Connector assignment, from model year 2014

G -	46-pin connector -T46-, black, CAN disconnector

Back to overview . AUDI A8 2013 Coupling station under left rear seat Coupling station under left rear seat Fitting location

on left under left rear seat -3-. Connectors:

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1 -	17-pin connector -T17s-, red

1 -	6-pin, connector -T6ab-, green

2 -	3-pin connector -T3g-, yellow

Back to overview . AUDI A8 2013 Coupling station under centre rear seat Coupling station under centre rear seat Fitting location

under centre rear seat -2- Connectors:

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1 -	17-pin connector -T17v-, red

2 -	17-pin connector -T17u-, brown

3 -	17-pin connector -T17w-, black

Back to overview . AUDI A8 2013 Coupling station under left front seat Coupling station under left front seat Fitting location

under left front seat -1- Connectors:

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1 -	6-pin, connector -T6p-, green

2 -	17-pin connector -T17q-, red

3 -	10-pin connector -T10-, black

4 -	4-pin connector -T4ex-, black

5 -	3-pin connector -T3e-, yellow

6 -

Vacant

7 -	4-pin connector -T4eu-, black

8 -

Vacant

9 -

Vacant

10 -

Vacant

Back to overview . AUDI A8 2013 Coupling station under centre console, front left Coupling station under centre console, front left Fitting location

under centre console, front left -1-. Connectors:

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1 -	17-pin connector -T17i-, white

2 -	5-pin connector -T5r-, black

3 -

Vacant

Back to overview . AUDI A8 2013 Coupling station under centre console, front right Coupling station under centre console, front right Fitting location

under centre console, front right -2-. Connectors:

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1 -	17-pin connector -T17n-, grey

2 -	3-pin connector -T3am-, black

3 -	2-pin connector -T2gc-, black

Back to overview . AUDI A8 2013 Coupling station on left A-pillar Coupling station on left A-pillar Fitting location on lower section of left A-pillar. Connectors:

1 -	17-pin connector -T17k-, blue

2 -	6-pin, connector -T6as-, black

Back to overview . AUDI A8 2013 Tow hitch preparation USA Tow hitch preparation USA Fitting location On sill panel, near lower part of left B-pillar.

Connectors: 1 -  2-pin connector -T2nl-, black 2 -  2-pin connector -T2nl-, black 2-pin connector -T2nl-Not connected in delivery condition. Back to overview . AUDI A8 2013 Coupling station on 7-slot relay carrier, left-hand drive models Coupling station on 7-slot relay carrier, left-hand drive models Fitting location behind dash panel on driver side. Connectors:

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A -	7-pin relay carrier on onboard supply control unit -J519-

2 -	17-pin connector -T17m-, brown

3 -	17-pin connector -T17l-, black

4 -	17-pin connector -T17p-, white

5 -	6-pin, connector -T6n-, black

Back to overview . AUDI A8 2013 Coupling station on 7-slot relay carrier, right-hand drive models Coupling station on 7-slot relay carrier, right-hand drive models Fitting location behind dash panel on driver side. Connectors:

A -	7-pin relay carrier on onboard supply control unit -J519-

1 -	17-pin connector -T17p-, white

3 -	17-pin connector -T17m-, brown

4 -	17-pin connector -T17l-, black

Back to overview . AUDI A8 2013 Coupling point in engine compartment, left Coupling point in engine compartment, left Fitting location On left in plenum chamber, near suspension turret. Connectors:

1 -	8-pin connector -T8ap-, black

2 -	10-pin connector -T10ax-, black, models with V8 TFSI only

3 -	14-pin connector -T14b-, black

Back to overview . AUDI A8 2013 Rear bumper coupling point Rear bumper coupling point Fitting location Behind bumper trim, right. Connectors:

1 -	10-pin connector -T10e-, black

2 -	10-pin connector -T10d-, black

Back to overview . AUDI A8 2013 Front bumper coupling point Front bumper coupling point Fitting location Behind radiator grille, centre. Connector

1 -	14-pin connector -T14a-, black

Back to overview . AUDI A8 2013 Coupling point on rear left door Coupling point on rear left door Fitting location In left B-pillar. Connector

A -	27-pin connector -T27d-

Back to overview . AUDI A8 2013 Coupling point on rear right door Coupling point on rear right door Fitting location In right B-pillar. Connector

A -	27-pin connector -T27c-

Back to overview . AUDI A8 2013 Coupling point on front left door Coupling point on front left door Fitting location In left A-pillar Connector

A -	23-pin connector -T23a-

B -	5-pin connector -T5at-, Connection Left overhead view camera -R244-

Back to overview . AUDI A8 2013 Coupling point on front right door Coupling point on front right door Fitting location In right A-pillar. Connector

A -	23-pin connector -T23b-

B -	5-pin connector -T5au-, Connection Right overhead view camera -R245-

Back to overview . AUDI A8 2013 Coupling point, glove compartment Coupling point, glove compartment Fitting location behind glove compartment. Connector

A -	8-pin connector -T8f-

Back to overview . AUDI A8 2013 Coupling point, centre console Coupling point, centre console Fitting location under centre console, near multimedia system operating unit -E380- right Connector

A -	17-pin connector -T17o-

Back to overview . AUDI A8 2013 Coupling point on high-voltage vehicle air conditioner Coupling point on high-voltage vehicle air conditioner Fitting location In luggage compartment on air conditioning unit for hybrid battery unit -AX1-. Connector

1 -	Air conditioning unit for hybrid battery unit -AX1-

A -	14-pin connector -T14l-

B -	2-pin connector -T2qn-

Back to overview . AUDI A8 2013 Diagnostic connection Diagnostic connection Fitting location under the shelf on the driver's side Connector

A -	16-pin connector -T16-

Back to overview . AUDI A8 2013 Front left bumper couplings Front left bumper couplings Fitting location On upper left behind bumper trim. Connector

A -	4-pin connector -T4h-

B -	5-pin connector -T5e-

Back to overview .

AUDI A8 2013 Overview of relay carriers

Overview of relay carriers

q	Fitting location and position of relays, right-hand drive

AUDI A8 2013 Fitting location of relay carrier in electronics box, on right in plenum chamber Fitting location of relay carrier in electronics box, on right in plenum chamber Fitting location

On right in engine compartment -1- . Assignment

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1 -	not assigned

2 -	Motronic current supply relay -J271-

q	for models with petrol engine

2 -	Terminal 30 voltage supply relay -J317-

q	for models with diesel engine

3 -	Engine component current supply relay -J757-

q	for models with petrol engine

4 -	not assigned

8 -	Secondary air pump relay -J299-

q	for models with petrol engine

8 -	Automatic glow period control unit -J179-

q	for models with diesel engine

9 -	Secondary air pump 2 relay -J545-

q	for models with 12-cylinder petrol engine

9 -	Glow period control unit 2 -J703-

q	for models with 8-cylinder diesel engine

Back to overview . AUDI A8 2013 Fitting location of relay carrier on right in luggage compartment Fitting location of relay carrier on right in luggage compartment Fitting location

On right in luggage compartment, on rear panel -1- . Assignment up to model year 2013

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1 -	Adaptive suspension compressor relay -J403-

2 -	Heated rear window relay -J9-

3 -	Relay for automatic anti-dazzle interior mirror -J910- , V6 TDI

4 -	Fuel pump relay -J17-

5 -	Starter motor relay -J53-

5 -	Starter motor relay 2 -J695-

6 -	Terminal 15 voltage supply relay -J329-

7 -	Relay for power sockets -J807-

7 -	Terminal 15 voltage supply relay 2 -J681-

Assignment from model year 2014

1 -	Fuel pump relay -J17-

2 -	Starter motor relay -J53-

2 -	Starter motor relay 2 -J695-

3 -	Terminal 15 voltage supply relay -J329-

4 -	Terminal 15 voltage supply relay 2 -J681-

5 -	Relay for power sockets -J807-

5 -	Relay for automatic anti-dazzle interior mirror -J910- , V6 TDI

6 -	Adaptive suspension compressor relay -J403-

7 -	Heated rear window relay -J9-

8 -	not assigned

9 -	not assigned

Back to overview . AUDI A8 2013 Fitting location of relay carrier on onboard supply control unit -J519- , left-hand drive Fitting location

Behind dash panel on driver side -1- . Assignment

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6 -	Brake servo relay -J569-

q	for models with 8-cylinder or 12-cylinder petrol engine

6 -	Horn relay -J413-

Back to overview . AUDI A8 2013 Fitting location of relay carrier on onboard supply control unit -J519- , right-hand drive Fitting location Behind dash panel on driver side.

5 -	not assigned

6 -	Brake servo relay -J569-

q	for models with 8-cylinder or 12-cylinder petrol engine

6 -	Horn relay -J413-

Back to overview . AUDI A8 2013 Fitting location of relay carrier on control unit for reducing agent metering system J880 Fitting location of relay carrier on control unit for reducing agent metering system -J880- Fitting location

On left in luggage compartment above reducing-agent tank -1- . Assignment

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1 -	Relay for reducing agent metering system -J963-

Back to overview . AUDI A8 2013 Fitting location of relay carrier at front right in luggage compartment, high-voltage models Fitting location of relay carrier at front right in luggage compartment, high-voltage models Fitting location

On the support for the drive battery -A2--1- .

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Assignment 1 -  Fan enabling relay -J937- Back to overview .

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