AUDI A4 2017 – Fuse assignment . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2017 - Battery - Starter - Alternator - Battery monitor control unit - Battery isolation igniter - Fuses in fuse holder

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J367	Battery monitor control unit
J500	Power steering control unit
N253	Battery isolation igniter
S	Fuses in fuse holder
S162	Fuse 1 (30), in battery fuse holder
S163	Fuse 2 (30), in battery fuse holder
S164	Fuse 3 (30), in battery fuse holder
T1	Single connector, black
T1f	Single connector, black
T1fx	Single connector, black
T2el	2-pin connector, black
T2li	2-pin connector, black
T2mr	2-pin connector, black
T2mrx	2-pin connector, black
T2x	2-pin connector, black
T2y	2-pin connector, yellow
TMR	Coupling point in engine compartment, right
B272	Positive connection (30), in main wiring harness
B298	Positive connection 2 (30), in main wiring harness
B698	Connection 3 (LIN bus) in main wiring harness
*	Earth supply via housing

Wiring Diagram AUDI A4 2017 - Suppression filter - Radiator fan control unit - Fuse holder A - Relay and fuse carrier 3 - Jump start socket - Radiator fan

C24	Suppression filter
J293	Radiator fan control unit
J623	Engine control unit
J671	Radiator fan control unit 2
SA	Fuse holder A
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SR3	Relay and fuse carrier 3
SA3	Fuse 3 in fuse holder A
S216	Fuse (50)
T2ko	2-pin connector, black
T4bi	4-pin connector, black
T4bk	4-pin connector, black
T91	91-pin connector, black
T105	105-pin connector, black
U6	Jump start socket
V7	Radiator fan
VX57	Radiator fan
V177	Radiator fan 2
A32	Positive connection (30), in dash panel wiring harness
*	Pre-wired component
*2	Only models with towing bracket
*3	see applicable current flow diagram for engine
*4	Only models with auxiliary air heater
*5	Cross-section 6.0 possible
*6	Only models with diesel engine

Wiring Diagram AUDI A4 2017 - Main relay - Starter relay 1 - Starter relay 2 - Fuse carrier 1 - Relay and fuse carrier 1 - Relay and fuse carrier 3

J271	Main relay
J623	Engine control unit
J906	Starter relay 1
J907	Starter relay 2
ST1	Fuse carrier 1, brown
SR1	Relay and fuse carrier 1
SR3	Relay and fuse carrier 3
T56a	56-pin connector
T91	91-pin connector, black
T105	105-pin connector, black
B299	Positive connection 3 (30), in main wiring harness
*	Only models with diesel engine
*2	Only models with petrol engine
*3	see applicable current flow diagram for engine
*4	Only models with 3.0l engine

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 1

F	Brake light switch
G784	Particulate sensor
J583	Control unit for NOx sender
J881	Control unit for NOx sender 2
SR1	Relay and fuse carrier 1
ST1	Fuse carrier 1, brown
SB1	Fuse 1 on fuse holder B
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
T3av	3-pin connector, black
T3un	3-pin connector, black
T4bl	4-pin connector, black
T4bm	4-pin connector
T4k	4-pin connector, black
T4s	4-pin connector, black
T5w	5-pin connector, black
T5x	5-pin connector, black
V55	Circulation pump
V188	Charge air cooling pump
V544	Radiator blind control motor
V550	Radiator blind control motor 2
B352	Positive connection 3 (87a) in main wiring harness
B353	Positive connection 4 (87a) in main wiring harness
*	Only models with diesel engine
*2	Only models with 3.0l engine
*3	Only models with petrol engine
*4	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 1

G70	Air mass meter
N144	Left electrohydraulic engine mounting solenoid valve
N488	Coolant valve for gearbox
SR1	Relay and fuse carrier 1
ST1	Fuse carrier 1, brown
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
T2cc	2-pin connector, colourless
T2km	2-pin connector, black
T4d	4-pin connector, black
T5b	5-pin connector, black
B354	Positive connection 5 (87a) in main wiring harness
D110	Connection 8 in engine compartment wiring harness
*	Only models with diesel engine
*2	Only models with 3.0l engine
*3	Only models with petrol engine
*4	see applicable current flow diagram for engine
*5	According to equipment

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 1

J179	Automatic glow period control unit
N145	Right electrohydraulic engine mounting solenoid valve
N275	Air filter bypass flap valve
SR1	Relay and fuse carrier 1
ST1	Fuse carrier 1, brown
SB10	Fuse 10 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
T2cd	2-pin connector, colourless
T2cf	2-pin connector, black
T3aw	3-pin connector, black
T11a	11-pin connector, black
V488	Auxiliary pump for heating
B351	Positive connection 2 (87a) in main wiring harness
D110	Connection 8 in engine compartment wiring harness
D183	Connection 4 (87a) in engine compartment wiring harness
*	Only models with petrol engine
*2	Only models with diesel engine
*3	see applicable current flow diagram for engine
*4	According to equipment

Wiring Diagram AUDI A4 2017 - Terminal 15 voltage supply relay - Fuse carrier 1 - Relay and fuse carrier 1 - ABS control unit fuse 1 - ABS control unit fuse 2

GX7	Lambda probe 1 after catalytic converter
J104	ABS control unit
J329	Terminal 15 voltage supply relay
J538	Fuel pump control unit
ST1	Fuse carrier 1, brown
SR1	Relay and fuse carrier 1
SB15	Fuse 15 on fuse holder B
SB16	Fuse 16 on fuse holder B
S123	ABS control unit fuse 1
S124	ABS control unit fuse 2
T6bl	6-pin connector
T46	46-pin connector, black
367	Earth connection 2, in main wiring harness
H1	Positive connection, in Lambda 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 3.0l engine

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 2

E313	Selector lever
E538	Electromechanical parking brake button
G578	Anti-theft alarm sensor
H12	Alarm horn
SB1	Fuse 1 on fuse holder B
SR1	Relay and fuse carrier 1
ST2	Fuse carrier 2, red
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
SB7	Fuse 7 on fuse holder B
T3bl	3-pin connector, black
T4bg	4-pin connector, black
T10g	10-pin connector, black
T10h	10-pin connector, red
T12g	12-pin connector, black
B300	Positive connection 4 (30), in main wiring harness
*	Only models with diesel engine
*2	Anti-theft alarm system with interior monitoring
*3	Only models with petrol engine
*4	Only models with automatic gearbox
*5	Only models with manual gearbox

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 2

G397	Rain and light sensor
G399	Light sensor
J234	Airbag control unit
J387	Front passenger door control unit
SR1	Relay and fuse carrier 1
ST2	Fuse carrier 2, red
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
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB15	Fuse 15 on fuse holder B
SB16	Fuse 16 on fuse holder B
T3ba	3-pin connector, black
T6bc	6-pin connector, black
T20r	20-pin connector, white
T28b	28-pin connector, black
T28bx	28-pin connector, black
T96	96-pin connector, yellow
TTVR	Coupling point on front right door
WX3	Front roof module
B266	Positive connection 1 (30a, door control unit), in interior wiring harness

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 3

J245	Sliding sunroof adjustment control unit
J386	Driver door control unit
J400	Wiper motor control unit
J519	Onboard supply control unit
J927	Rear passenger side door control unit
SR1	Relay and fuse carrier 1
SB1	Fuse 1 on fuse holder B
SB2	Fuse 2 on fuse holder B
ST3	Fuse carrier 3, black
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
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
T4fr	4-pin connector
T5ak	5-pin connector, black
T19b	19-pin connector, black
T19bx	19-pin connector, black
T20hr	20-pin connector, white
T20l	20-pin connector, white
T28a	28-pin connector, black
T28ax	28-pin connector, black
T73a	73-pin connector, black
T73b	73-pin connector, black
TTHR	Coupling point on rear right door
TTVL	Coupling point on front left door
B267	Positive connection 2 (30a, door control unit), in interior wiring harness
*	Only models with panoramic sliding sunroof

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 3

J364	Auxiliary heater control unit
J519	Onboard supply control unit
J926	Rear driver side door control unit
SR1	Relay and fuse carrier 1
ST3	Fuse carrier 3, black
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
T2da	2-pin connector
T6z	6-pin connector, black
T19a	19-pin connector, black
T19ax	19-pin connector, black
T20hl	20-pin connector, white
T54c	54-pin connector, black
T73a	73-pin connector, black
T73b	73-pin connector, black
TTHL	Coupling point on rear left door
B315	Positive connection 1 (30a) in main wiring harness
*	Only models with auxiliary heating
*2	Pre-wired component
*3	According to equipment
*4	Only models with auxiliary air heater

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 4 - Driver seat adjustment thermal fuse 1

J136	Seat and steering column adjustment control unit with memory
J521	Front passenger seat adjustment with memory control unit
J844	Main beam assist control unit
SR1	Relay and fuse carrier 1
SB1	Fuse 1 on fuse holder B
ST4	Fuse carrier 4, black
S44	Driver seat adjustment thermal fuse 1
T4aa	4-pin connector, black
T4ab	4-pin connector, black
T4sl	4-pin connector, black
T4sr	4-pin connector, black
T8o	8-pin connector, black
T16	16-pin connector
T17d	17-pin connector, red
T17dx	17-pin connector, red
T17e	17-pin connector, red
T17ex	17-pin connector, red
TSVL	Coupling point for front left seat
TSVR	Coupling point for front right seat
U31	Diagnostic connection
Y7	Automatic anti-dazzle interior mirror
B282	Positive connection 6 (15a) in main wiring harness
*	According to equipment

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 4

E284	Garage door operating unit
G476	Clutch position sender
J428	Adaptive cruise control unit
J533	Data bus diagnostic interface
J850	Control unit 2 for adaptive cruise control
J869	Control unit for structure-borne sound
SR1	Relay and fuse carrier 1
SB2	Fuse 2 on fuse holder B
SB3	Fuse 3 on fuse holder B
ST4	Fuse carrier 4, black
SB4	Fuse 4 on fuse holder B
SB5	Fuse 5 on fuse holder B
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
T3ay	3-pin connector, brown
T6ga	6-pin connector, black
T6i	6-pin connector, black
T8r	8-pin connector, black
T8s	8-pin connector, black
T54	54-pin connector, black
*	Only models with garage door opener
*2	Only models with adaptive cruise control (ACC)

Wiring Diagram AUDI A4 2017 - Engine component current supply relay - Relay and fuse carrier 1 - Fuse carrier 4 - Fuse carrier 5

J757	Engine component current supply relay
MX1	Front left headlight
MX2	Front right headlight
R242	Front camera for driver assist systems
SR1	Relay and fuse carrier 1
ST4	Fuse carrier 4, black
ST5	Fuse carrier 5, red
SB10	Fuse 10 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB15	Fuse 15 on fuse holder B
SB16	Fuse 16 on fuse holder B
T4dh	4-pin connector, black
T12k	12-pin connector, black
T14l	14-pin connector, black
T14r	14-pin connector, black
V12	Rear window wiper motor
*	Only for driver assist systems
*2	According to equipment
*3	Only models with petrol engine
*4	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 1 - Fuse carrier 5

SB1	Fuse 1 on fuse holder B
SR1	Relay and fuse carrier 1
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
ST5	Fuse carrier 5, red
SB6	Fuse 6 on 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
T5f	5-pin connector, black
V475	Auxiliary hydraulic pump 1 for gearbox oil
*	Only models with petrol engine
*2	Only models with speed-dependent power steering

Wiring Diagram AUDI A4 2017 -

F265	Map-controlled engine cooling system thermostat
N276	Fuel pressure regulating valve
N290	Fuel metering valve
N522	Piston cooling jet control valve
T2al	2-pin connector, black
T2am	2-pin connector, black
T2g	2-pin connector, black
T2k	2-pin connector, black
T10f	10-pin connector, black
T10fx	10-pin connector, black
T14a	14-pin connector, black
T14ax	14-pin connector, black
TML	Coupling point in engine compartment, left
TMM	Coupling point in engine compartment, centre
D95	Connection (injectors), in engine compartment wiring harness
D101	Connection 1 in engine compartment wiring harness
D102	Connection 2 in engine compartment wiring harness
D103	Connection 3 in engine compartment wiring harness
D205	Connection 3 (87a) in engine prewiring harness
*	Only models with diesel engine
*2	Only models with petrol engine
*3	see applicable current flow diagram for engine

Wiring Diagram AUDI A4 2017 -

F366	Actuator 1 for camshaft adjustment
F367	Actuator 2 for camshaft adjustment
N80	Activated charcoal filter solenoid valve 1
N112	Secondary air inlet valve
N205	Camshaft control valve 1
N318	Exhaust camshaft control valve 1
N489	Coolant valve for cylinder head
T2ax	2-pin connector, black
T2c	2-pin connector, black
T2cy	2-pin connector, brown
T2d	2-pin connector, black
T2i	2-pin connector, black
T2l	2-pin connector, black
T2m	2-pin connector, black
T5c	5-pin connector, black
T14a	14-pin connector, black
T14ax	14-pin connector, black
TML	Coupling point in engine compartment, left
D40	Connection 2, in engine prewiring harness
D102	Connection 2 in engine compartment wiring harness
D109	Connection 7 in engine compartment wiring harness
D206	Connection 4 (87a) in engine prewiring harness
*	see applicable current flow diagram for engine
*2	Only models with diesel engine
*3	Only models with 3.0l engine
*4	Only models with petrol engine

Wiring Diagram AUDI A4 2017 -

GX10	Lambda probe 1 before catalytic converter
G266	Oil level and oil temperature sender
N75	Charge pressure control solenoid valve
N428	Valve for oil pressure control
T2cx	2-pin connector, black
T2j	2-pin connector, black
T3e	3-pin connector, black
T4j	4-pin connector, black
T4vk	4-pin connector, black
T6w	6-pin connector, brown
T14a	14-pin connector, black
T14ax	14-pin connector, black
T14c	14-pin connector, black
T14cx	14-pin connector, black
TML	Coupling point in engine compartment, left
Z19	Lambda probe heater
D39	Connection 1, in engine prewiring harness
D206	Connection 4 (87a) in engine prewiring harness
*	Only models with diesel engine
*2	see applicable current flow diagram for engine
*3	Only models with petrol engine
*4	According to equipment
*5	Only models with 3.0l engine

Wiring Diagram AUDI A4 2017 - Fuse holder C

E87	Operating and display unit for front air conditioning system
J126	Fresh air blower control unit
J676	Chip card reader control unit
J764	Control unit for electronic steering column lock
J792	Active steering control unit
J898	Control unit for Head-up Display
R126	Telephone bracket
R199	Connection for external audio sources
SC	Fuse holder C
SC1	Fuse 1 on fuse holder C
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
T4bc	4-pin connector, black
T4ct	4-pin connector, brown
T4x	4-pin connector, black
T6aq	6-pin connector, green
T6at	6-pin connector, black
T10d	10-pin connector, black
T10x	10-pin connector, black
T17f	17-pin connector, red
T17fx	17-pin connector, red
T17h	17-pin connector, white
T17hx	17-pin connector, white
T20d	20-pin connector, black
T30	30-pin connector
TALU	Coupling point on left A-pillar, bottom
*	Only models with equipment for Japan
*2	According to equipment
*3	Only models with speed-dependent power steering

Wiring Diagram AUDI A4 2017 - Fuse holder C

E1	Light switch
E380	Multimedia system operating unit
E791	Operating unit 1 for driver and convenience functions
J285	Control unit in dash panel insert
J527	Steering column electronics control unit
J685	Display unit for front information display and operating unit control unit
J794	Control unit 1 for information electronics
SC	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
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
T4co	4-pin connector, white
T4ea	4-pin connector, black
T5e	5-pin connector, brown
T8t	8-pin connector, black
T17c	17-pin connector, yellow
T20c	20-pin connector, black
T32f	32-pin connector, grey
*	Only models with Bang & Olufsen sound system
*2	Only models with 8 loudspeakers (8RM)

Wiring Diagram AUDI A4 2017 - Fuse carrier 1 - Relay and fuse carrier 2

E265	Operating and display unit for rear air conditioning system
J217	Automatic gearbox control unit
J775	Running gear control unit
SF1	Fuse 1 in fuse holder F
ST1	Fuse carrier 1, black
SR2	Relay and fuse carrier 2
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
SF7	Fuse 7 in fuse holder F
SF8	Fuse 8 in fuse holder F
T3z	3-pin connector, black
T8n	8-pin connector, black
T16a	16-pin connector, black
T81	81-pin connector, black
B302	Positive connection 6 (30), in main wiring harness
B303	Positive connection 7 (30), in main wiring harness
*	Only models with adaptive suspension
*2	see applicable current flow diagram for air conditioning

Wiring Diagram AUDI A4 2017 - Fuse carrier 1 - Relay and fuse carrier 2 - Fuse carrier 3

J393	Convenience system central control unit
J605	Rear lid control unit
J769	Lane change assist control unit
J770	Lane change assist control unit 2
J854	Control unit for front left belt tensioner
NX10	Front left seat belt
R86	Aerial amplifier for mobile telephone
SF1	Fuse 1 in fuse holder F
ST1	Fuse carrier 1, black
SR2	Relay and fuse carrier 2
SF2	Fuse 2 in fuse holder F
SF3	Fuse 3 in fuse holder F
ST3	Fuse carrier 3, brown
SF4	Fuse 4 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
T4br	4-pin connector, black
T5s	5-pin connector, colourless
T8j	8-pin connector, black
T8q	8-pin connector, black
T10q	10-pin connector, black
T16c	16-pin connector, brown
T16cx	16-pin connector, brown
T17a	17-pin connector, brown
T17b	17-pin connector, black
T32c	32-pin connector, black
THRL	Coupling point in luggage compartment, left
X270	Connection (30), rear bumper wiring harness
*	Only models with lane change assist

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 2 - Fuse carrier 3

J530	Garage door operation control unit
J772	Reversing camera system control unit
J909	Control unit for fuel tank leak detection
J928	Control unit for overhead view camera
R64	Remote control receiver for auxiliary heater
R78	TV tuner
SR2	Relay and fuse carrier 2
ST3	Fuse carrier 3, brown
SF5	Fuse 5 in fuse holder F
SF6	Fuse 6 in fuse holder F
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
SF13	Fuse 13 in fuse holder F
T2dp	2-pin connector, black
T5ao	5-pin connector, black
T5sm	5-pin connector, black
T6le	6-pin connector, green
T6lex	6-pin connector, green
T6y	6-pin connector, blue
T8k	8-pin connector, black
T12d	12-pin connector, black
T18a	18-pin connector, black
TAK	Coupling point for fuel tank
V54	Metering pump
B304	Positive connection 8 (30), in main wiring harness
*	According to equipment

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 2 - Fuse carrier 5 - Front passenger seat adjustment thermal fuse 1

J345	Trailer detector control unit
J525	Digital sound package control unit
J855	Control unit for front right belt tensioner
NX11	Front right seat belt
SF1	Fuse 1 in fuse holder F
SF2	Fuse 2 in fuse holder F
SR2	Relay and fuse carrier 2
SF3	Fuse 3 in fuse holder F
SF4	Fuse 4 in fuse holder F
SF5	Fuse 5 in fuse holder F
ST5	Fuse carrier 5, red
SF6	Fuse 6 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
S46	Front passenger seat adjustment thermal fuse 1
T5t	5-pin connector, colourless
T6e	6-pin connector, black
T38	38-pin connector, black
*	Only models with Bang & Olufsen sound system
*2	Only models with towing bracket
*3	Only models with reducing agent metering system

Wiring Diagram AUDI A4 2017 - Relay and fuse carrier 2 - Fuse carrier 5 - Heated rear window single fuse - Automatic gearbox control unit fuse

J9	Heated rear window relay, white
J345	Trailer detector control unit
J492	All-wheel drive control unit
J743	Mechatronic unit for dual clutch gearbox
J880	Control unit for reducing agent metering system
SR2	Relay and fuse carrier 2
ST5	Fuse carrier 5, red
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
S41	Heated rear window single fuse
S113	Automatic gearbox control unit fuse
T6e	6-pin connector, black
T23	23-pin connector, black
T46a	46-pin connector, black
T47	47-pin connector, black
B305	Positive connection 9 (30), in main wiring harness
B334	Positive connection 20 (30a) in main wiring harness
U4	Connection (30), in automatic gearbox wiring harness
W20	Positive connection (30a) in rear wiring harness
*	see applicable current flow diagram for basic equipment
*2	Only models with reducing agent metering system
*3	Only models with all-wheel drive
*4	Only models with towing bracket

Wiring Diagram AUDI A4 2017 - Low heat output relay - High heat output relay - Relay and fuse carrier 4

J359	Low heat output relay
J360	High heat output relay
SR4	Relay and fuse carrier 4
S276	Heater element fuse 1
S277	Heater element fuse 2
T5ba	5-pin connector, black
Z35	Auxiliary air heater element
380	Earth connection 15, in main wiring harness
A99	Connection 1 (87) in dash panel wiring harness
*	Only models with auxiliary air heater

AUDI A4 2017 Overview of fuses

Overview of fuses

Relay and fuse carrier 2 -SR2-

t	Heated rear window fuse -S41-

t	Front passenger seat adjustment thermal fuse 1 -S46-

t	Automatic gearbox control unit fuse -S113-

q	Fitting location

q	Fuse assignment on Relay and fuse carrier 2 -SR2-

Main fuse carrier on battery -A-

t	Fuse 1 (30), in battery fuse holder -S162-

t	Fuse 2 (30), in battery fuse holder -S163-

t	Fuse 3 (30), in battery fuse holder -S164-

q	in luggage compartment

q	Fitting location and assignment

q	Fuse assignment on fuse holder C -SC-

Relay and fuse carrier 1 -SR1-

t	ABS control unit fuse 1 -S123-

t	ABS control unit fuse 2 -S124-

t	Driver seat adjustment thermal fuse 1 -S44-

q	Fitting location, left-hand drive models

q	Fitting location, right-hand drive models

q	Fuse assignment on Relay and fuse carrier 1 -SR1-

6 -	Relay and fuse carrier 4 -SR4-

t	Heater element fuse 1 -S276-

t	Heater element fuse 2 -S277-

q	In front right footwell

q	Fitting location and assignment

7 -

AUDI A4 2017 Fitting location, relay and fuse carrier 3 SR3

Fitting location, relay and fuse carrier 3 -SR3-

R1.1 -

not assigned

R1.2 -

Fuse (50) -S216- , 5 A, to engine control unit -J623-

R2 -

Ignore

R3 -

Ignore

Back to overview .

AUDI A4 2017

Fitting location, relay and fuse carrier 1 -SR1- , left-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

A -	ABS control unit fuse 1 -S123- , 40 A

A -	ABS control unit fuse 2 -S124- , 40 A

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

C -	not assigned

ST1 -

Fuse carrier 1, brown

q	Fuse assignment

ST2 -

Fuse carrier 2, red

q	Fuse assignment

ST3 -

Fuse carrier 3, black

q	Fuse assignment

ST4 -

Fuse carrier 4, black

q	Fuse assignment

ST5 -

Fuse carrier 5, red

q	Fuse assignment

Back to overview .

AUDI A4 2017

Fitting location, relay and fuse carrier 1 -SR1- , right-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

A -	ABS control unit fuse 1 -S123- , 40 A

A -	ABS control unit fuse 2 -S124- , 40 A

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

C -	not assigned

ST1 -

Fuse carrier 1, brown

q	Fuse assignment

ST2 -

Fuse carrier 2, red

q	Fuse assignment

ST3 -

Fuse carrier 3, black

q	Fuse assignment

ST4 -

Fuse carrier 4, black

q	Fuse assignment

ST5 -

Fuse carrier 5, red

q	Fuse assignment

Back to overview . AUDI A4 2017 Fuse assignment on relay and fuse carrier 1 SR1 Fuse assignment on fuse carrier ST1, brown No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - not assigned -   3 - Fuse 3 on fuse holder B -SB3- 5 A1) - Radiator blind control motor -V544-1) Radiator blind control motor 2 -V550-1) 30 4 - Fuse 4 on fuse holder B -SB4- 10 A1) 7.5 A2) - Circulation pump -V55-2) Particle sensor -G784-1) Control unit for NOx sender -J583-1) Control unit for NOx sender 2 -J881-1) 87 5 - Fuse 5 on fuse holder B -SB5- 5 A - Brake light switch -F- 87 6 - Fuse 6 on fuse holder B -SB6- 7.5 A1) 15 A2) - Automatic glow period control unit -J179-1) Activated charcoal filter solenoid valve 1 -N80-2) Secondary air inlet valve -N112-2) Charge air cooling pump -V188-1) Charge pressure control solenoid valve -N75-1) Valve for oil pressure control -N428-2) Coolant valve for cylinder head -N489- Map-controlled engine cooling system thermostat -F265-1) 87 7 - Fuse 7 on fuse holder B -SB7- 5 A1) 20 A2) - Air mass meter -G70-1) Lambda probe heater -Z19-2) Lambda probe 1 heater after catalytic converter -Z29-2) 87 8 - Fuse 8 on fuse holder B -SB8- 10 A1) 7.5 A2) - Fuel pressure regulating valve -N276-1) Fuel metering valve -N290-1) Coolant valve for gearbox -N488-2) Left electrohydraulic engine mounting solenoid valve -N144-2) Right electrohydraulic engine mounting solenoid valve -N145-2) Charge air cooling pump -V188-2) 87 9 - Fuse 9 on fuse holder B -SB9- 5 A - Engine component current supply relay -J757-2) 87 10 - Fuse 10 on fuse holder B -SB10- 5 A - Oil level and oil temperature sender -G266- 87 11 - not assigned   - 12 - Fuse 12 on fuse holder B -SB12- 7.5 A1) 10 A2) - Air filter bypass flap valve -N275-2) Camshaft control valve 1 -N205-2) Activated charcoal filter solenoid valve 1 -N80-2) Intake manifold flap valve -N316-2) Exhaust camshaft control valve 1 -N318-2) Secondary air inlet valve -N112-2) Left electrohydraulic engine mounting solenoid valve -N144-1) Right electrohydraulic engine mounting solenoid valve -N145-1) Auxiliary pump for heating -V488-1) Automatic glow period control unit -J179-1) Charge air cooling pump -V188-1) 87 13 - Fuse 13 on fuse holder B -SB13- 5 A - Radiator fan control unit -J293- Radiator fan control unit 2 -J671- 30 14 - Fuse 14 on fuse holder B -SB14- 15 A1) 25 A2) - Engine control unit -J623- 30 15 - Fuse 15 on fuse holder B -SB15- 10 A1) 15 A4) 20 A3) - Lambda probe heater -Z19-1) 4) Lambda probe 1 heater after catalytic converter -Z29-4) Ignition coil 1 with output stage -N70-3) Ignition coil 2 with output stage -N127-3) Ignition coil 3 with output stage -N291-3) Ignition coil 4 with output stage -N292-3) 30 16 - Fuse 16 on fuse holder B -SB16- 30 A - Fuel pump control unit -J538- 30 t  1) Diesel engines only t  2) Petrol engines only t  3) only with 1.4 l petrol engine t  4) only with 2.0 l petrol engine Back to overview .     Position of fuses on fuse carrier ST2, red 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- 5 A - Main relay -J271- Engine control unit -J623- 30 3 - not assigned -   4 - Fuse 4 on fuse holder B -SB4- 7.5 A - Selector lever -E313- 30 5 - Fuse 5 on fuse holder B -SB5- 15 A - Onboard supply control unit -J519- 30 6 - Fuse 6 on fuse holder B -SB6- 5 A - Electromechanical parking brake button -E538- 30 7 - Fuse 7 on fuse holder B -SB7- 5 A - Data bus diagnostic interface -J533- 30 8 - Fuse 8 on fuse holder B -SB8- 5 A - Roof electronics control unit -J528- front roof module -WX3- 30 9 - not assigned   -   10 - Fuse 10 on fuse holder B -SB10- 5 A - Airbag control unit -J234- 30 11 - Fuse 11 on fuse holder B -SB11- 5 A - ABS control unit -J104- 30 12 - Fuse 12 on fuse holder B -SB12- 10 A - Rain and light sensor -G397- Light sensor -G399- Diagnostic connection -U31- 30 13 - Fuse 13 on fuse holder B -SB13- 20 A - Onboard supply control unit -J519- 30 14 - Fuse 14 on fuse holder B -SB14- 20 A - Front passenger door control unit -J387- 30 15 - Fuse 15 on fuse holder B -SB15- 20 A - Onboard supply control unit -J519- 30 16 - not assigned   -   Back to overview .     Position of fuses on fuse carrier ST3, black No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 30 A - Onboard supply control unit -J519- 30 2 - Fuse 2 on fuse holder B -SB2- 30 A - Wiper motor control unit -J400- 30 3 - Fuse 3 on fuse holder B -SB3- 30 A - Onboard supply control unit -J519- 30 4 - Fuse 4 on fuse holder B -SB4- 20 A - Sliding sunroof adjustment control unit -J245- 30 5 - Fuse 5 on fuse holder B -SB5- 20 A - Driver door control unit -J386- 30 6 - Fuse 6 on fuse holder B -SB6- 20 A - Onboard supply control unit -J519- 30 7 - Fuse 7 on fuse holder B -SB7- 20 A - Rear passenger side door control unit -J927- 30 8 - not assigned   -   9 - Fuse 9 on fuse holder B -SB9- 30 A - Onboard supply control unit -J519- 30 10 - Fuse 10 on fuse holder B -SB10- 35 A - Onboard supply control unit -J519- 30 11 - Fuse 11 on fuse holder B -SB11- 20 A - Rear driver side door control unit -J926- 30 12 - Fuse 12 on fuse holder B -SB12- 30 A - Auxiliary heater control unit -J364- 30 Back to overview .     Position of fuses on fuse carrier ST4, black No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 5 A - Diagnostic connection -U31- Main beam assist control unit -J844- Seat and steering column adjustment control unit with memory -J136- Operating and display unit for rear air conditioning system -E265- 15 2 - Fuse 2 on fuse holder B -SB2- 10 A - Data bus diagnostic interface -J533- Onboard supply control unit -J519- 15 3 - Fuse 3 on fuse holder B -SB3- 5 A - Control unit for structure-borne sound -J869- 15 4 - Fuse 4 on fuse holder B -SB4- 5 A - Clutch position sender -G476- 15 5 - Fuse 5 on fuse holder B -SB5- 5 A - Starter relay 1 -J906- Starter relay 2 -J907- 15 6 - not assigned   -     7 - not assigned   -     8 - Fuse 8 on fuse holder B -SB8- 5 A - Garage door operating unit -E284- 15 9 - Fuse 9 on fuse holder B -SB9- 10 A - Adaptive cruise control unit -J428- Control unit 2 for adaptive cruise control -J850- 15 10 - not assigned   -     11 - Fuse 11 on fuse holder B -SB11- 7.5 A - Front camera for driver assist systems -R242- 15 12 - Fuse 12 on fuse holder B -SB12- 10 A - Front right headlight -MX2- 15 13 - Fuse 13 on fuse holder B -SB13- 10 A - Front left headlight -MX1- 15 14 - Fuse 14 on fuse holder B -SB14- 20 A - Rear window wiper motor -V12- 15 15 - not assigned   -     16 - not assigned   -     Back to overview .     Position of fuses on fuse carrier ST5, red No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - Fuse 1 on fuse holder B -SB1- 20 A - Ignition coil 1 with output stage -N70-1) Ignition coil 2 with output stage -N127-1) Ignition coil 3 with output stage -N291-1) Ignition coil 4 with output stage -N292-1) 87 2 - not assigned   -     3 - not assigned -     4 - not assigned   -     5 - not assigned   -     6 - Fuse 6 on fuse holder B -SB6- 20 A - Auxiliary hydraulic pump 1 for gearbox oil -V475- 87 7 - Fuse 7 on fuse holder B -SB7- 40 A - Supply for fuse holder C -SC- 87 8 - Fuse 8 on fuse holder B -SB8- 30 A - Fresh air blower control unit -J126- 87 9 - not assigned   -   10 - Fuse 10 on fuse holder B -SB10- 40 A - Active steering control unit -J792- 87 11 - Fuse 11 on fuse holder B -SB11- 40 A - Starter relay 2 -J907- Starter relay 1 -J906- Starter -B-Fuse (50) -S216- 87 12 - not assigned -   t  1) only with 2.0 l petrol engine Back to overview .     AUDI A4 2017 Fitting location of fuse holder C SC Fitting location of fuse holder C -SC- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Fuse holder C -SC- q   Fuse assignment 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 Back to overview .     AUDI A4 2017 Fuse assignment, fuse holder C SC Fuse assignment, fuse holder C -SC- No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - Fuse 2 on fuse holder C -SC2- 5 A - Chip card reader control unit -J676- Telephone bracket -R126- 30 3 - not assigned -   4 - Fuse 4 on fuse holder C -SC4- 5 A - Control unit for heads-up display -J898- 30 5 - Fuse 5 on fuse holder C -SC5- 5 A - Connection for external audio sources -R199- 30 6 - Fuse 6 on fuse holder C -SC6- 10 A - Operating and display unit for rear air conditioning system -E87- Seat heating control unit -J65- 30 7 - Fuse 7 on fuse holder C -SC7- 5 A - Control unit for electronic steering column lock -J764- 30 8 - Fuse 8 on fuse holder C -SC8- 5 A - Display unit for front information display and operating unit control unit -J685- 30 9 - Fuse 9 on fuse holder C -SC9- 10 A - Control unit in dash panel insert -J285- 30 10 - Fuse 10 on fuse holder B -SB10- 5 A - Multimedia system operating unit -E380- 30 11 - Fuse 11 on fuse holder C -SC11- 5 A - Light switch -E1- Operating unit 1 for driving and comfort functions -E791- 30 12 - Fuse 12 on fuse holder C -SC12- 1 A - Steering column electronics control unit -J527- 30 13 - not assigned   -     14 - Fuse 14 on fuse holder C -SC14- 20 A1) 5 A2) - Control unit 1 for information electronics -J794- 30 15 - not assigned   -     16 - Fuse 16 on fuse holder C -SC16- 10 A - Steering column electronics control unit -J527- 30 t  1) 8RM sound system t  2) 9VS and 8RF sound system Back to overview .     AUDI A4 2017 Fitting location, relay and fuse carrier 2 SR2 Fitting location, relay and fuse carrier 2 -SR2- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Relay and fuse carrier 2 -SR2- ST1 -  Fuse carrier 1, black q   Fuse assignment ST2 -  Fuse carrier 2, red q   not assigned ST3 -  Fuse carrier 3, brown q   Fuse assignment ST4 -  Fuse carrier 4 q   not assigned ST5 -  Fuse carrier 5, red q   Fuse assignment ST6 -  Fuse carrier 6 q   not assigned A -  Heated rear window fuse -S41- , 40 A A -  Automatic gearbox control unit fuse -S113- , 50 A B -  not assigned C -  Front passenger seat adjustment thermal fuse 1 -S46- , 15 A AUDI A4 2017 Fuse assignment on relay and fuse carrier 2 SR2 Position of fuses on fuse carrier ST1, black No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - not assigned -   3 - not assigned -   4 - not assigned   -   5 - Fuse 5 on fuse holder F -SF5- 15 A - Running gear control unit -J775- 30 6 - Fuse 6 on fuse holder F -SF6- 15 A - Automatic gearbox control unit -J217- 30 7 - not assigned   -   8 - Fuse 8 on fuse holder F -SF8- 30 A - Operating and display unit for rear air conditioning system -E265- 30 9 - Fuse 9 on fuse holder F -SF9- 20 A - Convenience system central control unit -J393- 30 10 - Fuse 10 on fuse holder F -SF10- 25 A - Control unit for front left belt tensioner -J854- 30 11 - Fuse 11 on fuse holder B -SF11- 20 A - Convenience system central control unit -J393- 30 12 - Fuse 12 on fuse holder F -SF12- 30 A - Rear lid control unit -J605- 30 Back to overview .     Fuse assignment on fuse carrier ST3, brown No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned -   2 - Fuse 2 on fuse holder F -SF2- 5 A - Aerial amplifier for mobile telephone -R86- 30 3 - not assigned -   4 - Fuse 4 on fuse holder F -SF4- 5 A - Lane change assist control unit 2 -J770- Lane change assist control unit -J769- 30 5 - Fuse 5 on fuse holder F -SF5- 10 A - Rear left information display and operating unit control unit -J648- Rear right information display and operating unit control unit -J649- 30 6 - not assigned   -     7 - not assigned   -   8 - Fuse 8 on fuse holder F -SF8- 5 A - Remote control receiver for auxiliary heater -R64- Metering pump -V54- Control unit for fuel tank leak detection -J909- 30 9 - not assigned   -   30 10 - Fuse 10 on fuse holder F -SF10- 5 A - TV tuner -R78- 30 11 - not assigned   -   12 - Fuse 12 on fuse holder F -SF12- 5 A - Garage door operation control unit -J530- 30 13 - Fuse 13 on fuse holder F -SF13- 5 A - Reversing camera system control unit -J772- Control unit for overhead view camera -J928- 30 14 - Fuse 14 on fuse holder F -SF14- 20 A - Convenience system central control unit -J393- 30 15 - not assigned   -     16 - Fuse 16 on fuse holder F -SF16- 25 A - Control unit for front right belt tensioner -J855- 30 Back to overview .     Position of fuses on fuse carrier ST5, red No.   Current flow diagram designation Nominal value   Function/component Terminal 1 - not assigned   -     2 - Fuse 2 on fuse holder F -SF2- 30 A - Digital sound package control unit -J525- 30 3 - Fuse 3 on fuse holder F -SF3- 30 A - Control unit for reducing agent metering system -J880- 30 4 - not assigned   -     5 - Fuse 5 on fuse holder B -SF5- 25 A - Trailer detector control unit -J345- 30 6 - not assigned   -     7 - Fuse 7 on fuse holder F -SF7- 15 A - Trailer detector control unit -J345- 30 8 - Fuse 8 on fuse holder F -SF8- 25 A - Trailer detector control unit -J345- 30 9 - Fuse 9 on fuse holder F -SF9- 15 A - Trailer detector control unit -J345- 30 10 - Fuse 10 on fuse holder F -SF10- 40 A - All-wheel drive control unit -J492- 30 11 - Fuse 11 on fuse holder F -SF11- 25 A - Control unit for reducing agent metering system -J880- 30 12 - not assigned   -     Back to overview .     AUDI A4 2017 Fitting location of main fuse carrier on the battery A Fitting location of main fuse carrier on the battery -A- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Main fuse carrier on battery -A- A -  not assigned B -  Fuse 1 (30) in battery fuse holder -S162- , 125 A, to power steering control unit -J500- C -  Fuse 2 (30), in battery fuse holder -S163- , 150 A, to B302 positive connection 6(30) in main wiring harness D -  Fuse 3 (30), in battery fuse holder -S164- , 200 A, to B272 positive connection (30) in main wiring harness Back to overview .     AUDI A4 2017 Fitting location, relay and fuse carrier 4 SR4 Fitting location, relay and fuse carrier 4 -SR4- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Relay and fuse carrier 4 -SR4- A -  Heater element fuse 2 -S277- , 60 A B -  Heater element fuse 1 -S276- , 40 A R1 -  Ignore R2 -  Ignore Back to overview .     AUDI A4 2017 Fitting locationfuse holder A SA Fitting locationfuse holder A -SA- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Fuse holder A -SA- 2 -  Suppression filter -C24- A -  Fuse 3 on fuse holder A -SA3- , 40 A, to radiator fan control unit 2 -J671- B -  Fuse 2 on fuse holder A -SA2- , 40 A, to radiator fan control unit -J293- C -  Fuse 1 on fuse holder A -SA1- , 80 A, diesel, to Automatic glow period control unit -J179- D -  Fuse 4 on fuse holder A -SA4- , not assigned Back to overview .     AUDI A4 2017 Overview of control units in rear part of vehicle Overview of control units in rear part of vehicle https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment q   Connector assignment AUDI A4 2017 Fitting location, trailer detector control unit J345 Fitting location, trailer detector control unit -J345- Fitting location on left in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Trailer detector control unit -J345- A -  24-pin connector -T24- , black B -  6-pin connector -T6e- , black C -  10-pin connector -T10i- , black D -  10-pin connector -T10k- , red . AUDI A4 2017 Fitting location, convenience system central control unit J393 Fitting location, convenience system central control unit -J393- Fitting location In left of luggage compartment, behind side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Convenience system central control unit -J393- A -  17-pin connector -T17a- (connector A), brown B -  32-pin connector -T32c- (connector C), black C -  17-pin connector -T17b- (connector B), black D -  20-pin connector -T20e- (connector E), black E -  32-pin connector -T32d- (connector D), blue . AUDI A4 2017 Fitting location, all-wheel drive control unit J492 Fitting location, all-wheel drive control unit -J492- Fitting location In luggage compartment. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  All-wheel drive control unit -J492- A -  47-pin connector -T47a- , black . AUDI A4 2017 Fitting location, digital sound package control unit J525 Fitting location, digital sound package control unit -J525- Fitting location, digital sound package control unit -J525- , premium sound Fitting location At the rear left of the luggage compartment. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Digital sound package control unit -J525- A -  38-pin connector -T38- , black B -  2-pin connector -T2vb- , black q   MOST bus . Fitting location, garage door operation control unit -J530- Fitting location on centre left behind rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Garage door operation control unit -J530- A -  5-pin connector -T5ao- , black .     AUDI A4 2017 Fitting location, rear lid control unit J605 Fitting location, rear lid control unit -J605- Fitting location At rear centre on roof cross member under roof edge trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Rear lid control unit -J605- A -  10-pin connector -T10q- , black B -  32-pin connector -T32e- , black . AUDI A4 2017 Fitting location, lane change assist control unit J769 Fitting location, lane change assist control unit -J769- Fitting location on right behind rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Lane change assist control unit -J769- A -  8-pin connector -T8j- , black . AUDI A4 2017 Fitting location, lane change assist control unit 2 J770 Fitting location, lane change assist control unit 2 -J770- Fitting location on left behind rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Lane change assist control unit 2 -J770- A -  8-pin connector -T8q- , black . AUDI A4 2017 Fitting location Reversing camera system control unit J772 Fitting location Reversing camera system control unit -J772- Fitting location in rear lid button handle. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Reversing camera system control unit -J772- A -  8-pin connector -T8k- , black B -  2-pin connector -T2z- , grey q   to control unit for information electronics 1 -J794- . AUDI A4 2017 Fitting location, reducing agent metering system control unit J880 Fitting location, reducing agent metering system control unit -J880- Fitting location On reducing agent tank. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Control unit for reducing agent metering system -J880- A -  46-pin connector -T46a- , black . AUDI A4 2017 Fitting location Control unit for overhead view camera J928 Fitting location Control unit for overhead view camera -J928- Fitting location on left in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Control unit for overhead view camera -J928- A -  18-pin connector -T18a- , black B -  5-pin connector -T5o- , brown q   to control unit for information electronics 1 -J794- C -  5-pin connector -T5i- , green q   to left overhead view camera -R244- D -  5-pin connector -T5k- , black q   to right overhead view camera -R245- E -  5-pin connector -T5m- , white q   to front overhead view camera -R243- F -  5-pin connector -T5n- , blue q   to rear overhead view camera -R246- . AUDI A4 2017 Fitting location, rear lid power opening control unit J938 Fitting location, rear lid power opening control unit -J938- Fitting location on centre left at bottom on rear bumper cover. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Rear lid power opening control unit -J938- A -  4-pin connector -T4bs- , black B -  5-pin connector -T5bd- , black . AUDI A4 2017 Fitting location, remote control receiver for auxiliary heater R64 Fitting location, remote control receiver for auxiliary heater -R64- Fitting location on right in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Remote control receiver for auxiliary heater -R64- A -  2-pin connector -T2dc- , translucent q   from auxiliary heater aerial -R182- in roof aerial -R216- B -  6-pin connector -T6y- , blue .     AUDI A4 2017 Fitting location TV tuner R78 Fitting location TV tuner -R78- Fitting location on right in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  TV tuner -R78- A -  12-pin connector -T12d- , black B -  2-pin connector -T2ea- , black q   MOST bus C -  4-pin connector -T4tv- , green D -  2-pin connector -T2tv- , brown . AUDI A4 2017 Fitting location, aerial amplifier for mobile telephone R86 Fitting location, aerial amplifier for mobile telephone -R86- Fitting location on right in luggage compartment, behind the side trim. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Aerial amplifier for mobile telephone -R86- A -  2-pin connector -T2hw- , purple q   from GSM aerial -R205- B -  4-pin connector -T4br- , black C -  2-pin connector -T2hv- , black q   to telephone bracket -R126- .     AUDI A4 2017 Fitting location, battery monitor control unit J367 Fitting location, battery monitor control unit -J367- Fitting location At negative terminal of battery -A- . https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Battery monitor control unit -J367- A -  2-pin connector -T2x- , black .     AUDI A4 2017 Overview of control units in front part of vehicle

Overview of control units in front part of vehicle

q	Connector assignment

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Fitting location, 315-pin

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment, left-hand drive

q	Connector assignment, right-hand drive

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment with 800 watt or 1200 watt radiator fan

q	Installation location with 800 watt or 1200 watt radiator fan

q	Connector assignment with 400 watt or 600 watt radiator fan

q	Connector assignment with 800 watt or 1200 watt radiator fan

q	Connector assignment

AUDI A4 2017

Fitting location, control units on headlight -MX1- / -MX2-

Fitting location

At front of vehicle.

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

2 -	Left light control unit -J1018- / right light control unit -J1023-

A -	14-pin connector -T14l- / -T14r- , black

q	Left headlight: -T14l-

q	Right headlight: -T14r-

Back to overview .

AUDI A4 2017 Fitting location, ABS control unit J104

Fitting location, ABS control unit -J104-

Fitting location

In left of engine compartment.

1 -	ABS control unit -J104-

A -	46-pin connector -T46- , black

Connector assignment, ABS control unit -J104-

-T46- (A)	Designation		-T46- (A)	Designation
1	Terminal 30		24	Front left speed sensor -G47-
2	Right parking brake motor -V283-		25	Electromechanical parking brake warning lamp -K213-
3	Right parking brake motor -V283-		26	Front right speed sensor -G45-
4	Terminal 30		27
5			28	Engine control unit -J623- / data bus line (FlexRay bus)
6			29
7	Front left speed sensor -G47-		30	Terminal 30
8			31	Electromechanical parking brake button -E538-
9			32	Electromechanical parking brake button -E538-
10			33
11			34	Clutch position sender -G476-
12	Left parking brake motor -V282-		35
13	Left parking brake motor -V282-		36	Terminal 15
14	Terminal 31		37	Rear right speed sensor -G44-
15	Electromechanical parking brake button -E538-		38
16	Electromechanical parking brake button -E538-		39	Rear left speed sensor -G46-
17			40	Vacuum sender -G608-
18			41	Vacuum sender -G608-
19			42
20			43
21	Front right speed sensor -G45-		44	Engine control unit -J623- / data bus line (FlexRay bus)
22	Rear right speed sensor -G44-		45	Vacuum sender -G608-
23	Rear left speed sensor -G46-		46	Terminal 31

Back to overview .

AUDI A4 2017 Fitting location automatic glow period control unit J179

Fitting location automatic glow period control unit -J179-

Fitting location

At centre in plenum chamber.

1 -	Automatic glow period control unit -J179-

A -	11-pin connector -T11a- , black

Connector assignment of automatic glow period control unit -J179-

-T11a- (A)	Designation		-T11a- (A)	Designation
1	Glow plug 1 -Q10-		7	Terminal 31
2	Glow plug 2 -Q11-		8	Glow plug 6 -Q15-
3	Glow plug 3 -Q12-		9
4	Glow plug 4 -Q13-		10	Engine control unit -J623-
5	Glow plug 5 -Q14-		11	Terminal 30
6	B353 Positive connection 4 (87a) in main wiring harness

Back to overview .

AUDI A4 2017 Fitting location, radiator fan control unit

Fitting location, radiator fan control unit

Fitting location, radiator fan control unit -J293- , 400 watt or 600 watt

Fitting location

On radiator.

1 -	Radiator fan control unit -J293-

A -	4-pin connector -T4bi- , black

Connector assignment, radiator fan control unit -J293- , 400 watt or 600 watt

-T4bi- (A)	Designation
1	Terminal 30
2	Relay and fuse carrier 1 -SR1- , fuse carrier 1 -ST1-
3	Engine control unit -J623-
4	Terminal 31

Back to overview .

Fitting location, radiator fan control unit -J293- / -J671- , 800 watt or 1200 watt

Fitting location

On radiator.

1 -	Radiator fan control unit 2 -J671-

2 -	Radiator fan control unit -J293-

A -	4-pin connector -T4bk- , black

B -	4-pin connector -T4bi- , black

.

Fitting location, auxiliary heater control unit -J364-

Fitting location

In front right wheel housing on side member.

1 -	Auxiliary heater control unit -J364-

A -	6-pin connector -T6z- , black

B -	2-pin connector -T2da- , brown

C -	3-pin connector -T3au- , black

Connector assignment, auxiliary heater control unit -J364-

-T6z- (A)	Designation		-T2da- (B)	Designation
1	B670 Connection 3 (CAN bus extended, high) in main wiring harness		1	Terminal 30
2	B671 Connection 3 (CAN bus extended, low) in main wiring harness		2	Terminal 31
3	Heater coolant shut-off valve -N279-
4	Metering pump -V54-
5	Terminal 31
6	Remote control receiver for auxiliary heater -R64-

Back to overview .

AUDI A4 2017 Fitting location, control unit for wiper motor J400 Fitting location, control unit for wiper motor -J400-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed in plenum chamber. The connector assignment is also different .

Fitting location

On left in plenum chamber.

1 -	Wiper motor control unit -J400-

A -	4-pin connector -T4fr- , black

Connector assignment, right-hand drive, wiper motor control unit -J400-

-T4fr- (A)	Designation
1	Terminal 30
2	Terminal 31
3
4	Data bus line (LIN bus)

Back to overview .

AUDI A4 2017 Fitting location, adaptive cruise control unit J428

Fitting location, adaptive cruise control unit -J428-

Fitting location

Behind front bumper on right

1 -	Adaptive cruise control unit -J428-

A -	8-pin connector -T8r- , black

Connector assignment of adaptive cruise control unit -J428-

-T8r- (A)	Designation
1	Terminal 31
2
3
4
5	Control unit 2 for adaptive cruise control -J850- / data bus line (FlexRay bus)
6	Control unit 2 for adaptive cruise control -J850- / data bus line (FlexRay bus)
7
8	Terminal 15

Back to overview .

AUDI A4 2017 Fitting location, power steering control unit J500

Fitting location, power steering control unit -J500-

Fitting location

On steering box.

1 -	Power steering control unit -J500-

A -	6-pin connector -T6f- , brown

B -	5-pin connector -T5bf- , black

q	to steering moment sender -G269-

C -	2-pin connector -T2el- , black

Connector assignment, power steering control unit -J500-

-T6f- (B)	Designation		-T2el- (C)	Designation
1	Terminal 15		1	Terminal 30
2			2	Terminal 31
3	Data bus line (FlexRay bus)
4
5	Data bus line (FlexRay bus)
6

Back to overview .

AUDI A4 2017 Fitting location NOx sensor control unit J583

Fitting location NOx sensor control unit -J583-

Fitting location

Near front end.

1 -	NOx sensor control unit -J583-

A -	5-pin connector -T5w- , black

Connector assignment for NOx sensor control unit -J583-

-T5w- (A)	Designation
1	Terminal 87
2	Terminal 31
3	Powertrain CAN bus, low
4	Powertrain CAN bus, high
5

Back to overview .

AUDI A4 2017 Fitting location, engine control unit J623

Fitting location, engine control unit -J623-

Fitting location, engine control unit -J623- , 196-pin

Fitting location

In left of engine compartment.

1 -	Engine control unit -J623-

A -	105-pin connector -T105- , black

B -	91-pin connector -T91- , black

Back to overview .

Fitting location, engine control unit -J623- , 315-pin

Fitting location

In left of engine compartment.

1 -	Engine control unit -J623-

A -	56-pin connector -T56a- , black

B -	56-pin connector -T56b- , black

C -	56-pin connector -T56c- , black

D -	56-pin connector -T56d- , black

E -	91-pin connector -T91- , black

Back to overview .

Fitting location, control unit 2 for adaptive cruise control -J850-

Fitting location

Behind front bumper on left.

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

A -	8-pin connector -T8s- , black

Connector assignment of control unit 2 for adaptive cruise control -J850-

-T8s- (A)	Designation
1	Terminal 31
2	Control unit for adaptive cruise control -J428- / data bus line (FlexRay bus)
3	Control unit for adaptive cruise control -J428- / data bus line (FlexRay bus)
4
5	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
6	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
7
8	Terminal 15

Back to overview . AUDI A4 2017 Fitting location, control unit for structure-borne sound J869 Fitting location, control unit for structure-borne sound -J869-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

in plenum chamber.

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

A -	6-pin connector -T6i- , black

Back to overview .

AUDI A4 2017 Mechatronic unit for dual clutch gearbox J743

Mechatronic unit for dual clutch gearbox -J743-

Mechatronic unit for dual clutch gearbox -J743- (7-speed dual clutch gearbox)

Fitting location

On gearbox.

1 -	Mechatronic unit for dual clutch gearbox -J743-

A -	23-pin connector -T23- , black

Connector assignment, mechatronic unit for dual clutch gearbox -J743-

-T23- (A)	Designation		-T23- (A)	Designation
1	Terminal 30		13
2	Terminal 31		14	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
3			15	Power steering control unit -J500- / data bus line (FlexRay bus)
4			16	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)
5			17	Power steering control unit -J500- / data bus line (FlexRay bus)
6	Auxiliary hydraulic pump 1 for gearbox oil -V475-		18
7	Engine control unit -J623-		19
8			20	Terminal 15
9	Auxiliary hydraulic pump 1 for gearbox oil -V475-		21
10			22
11			23
12

Back to overview .

AUDI A4 2017 Automatic gearbox control unit J217

Automatic gearbox control unit -J217-

Fitting location

On gearbox.

1 -	Automatic gearbox control unit -J217-

A -	16-pin connector -T16a- , black

Connector assignment of automatic gearbox control unit -J217-

-T16a- (A)	Designation		-T16a- (A)	Designation
1	Engine control unit -J623-		9	Terminal 15
2			10
3	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)		11
4	Data bus diagnostic interface -J533- / data bus line (FlexRay bus)		12
5	Power steering control unit -J500- / data bus line (FlexRay bus)		13	Terminal 30
6	Power steering control unit -J500- / data bus line (FlexRay bus)		14	Terminal 31
7			15
8			16

Back to overview .

AUDI A4 2017

Coupling point at top of engine -TMO- / coupling point at left in engine compartment -TML- / coupling point at centre in engine compartment -TMM- / coupling point in engine compartment -TM-

Coupling point in engine compartment -TM- / coupling point at left in engine compartment -TML- / coupling point at centre of engine compartment -TMM- / coupling point at top of engine compartment -TMO- , 2.0 l petrol engine

A -	8-pin connector -T8g- , black/ 8-pin connector -T8gx- , black

B -	8-pin connector -T8f- , black/ 8-pin connector -T8fx- , black

C -	14-pin connector -T14b- , black/ 14-pin connector -T14bx- , black

D -	14-pin connector -T14a- , black/ 14-pin connector -T14ax- , black

Coupling point at left in engine compartment -TML- , 1.4 l petrol engine or 2.0 l diesel engine

A -	14-pin connector -T14a- , black/ 14-pin connector -T14ax- , black

q	only with 1.4 l petrol engine

q	only with 2.0 l diesel engine

B -	14-pin connector -T14c- , black/ 14-pin connector -T14cx- , black

q	only with 2.0 l diesel engine

Coupling point at left in engine compartment -TML- , 3.0 l diesel engine

A -	14-pin connector -T14a- , black/ 14-pin connector -T14ax- , black

B -	14-pin connector -T14c- , black/ 14-pin connector -T14cx- , black

Coupling point at left in engine compartment -TMM- , 3.0 l diesel engine

A -	6-pin connector -T6m- , black/ 6-pin connector -T6mx- , black

B -	10-pin connector -T10f- , black/ 10-pin connector -T10fx- , black

Coupling point in engine compartment, right -TMR-

A -	Single-pin connector -T1f- , black/ single-pin connector -T1fx- , black

B -	3-pin connector -T3u- , black/ 3-pin connector -T3ux- , black

C -	2-pin connector -T2mr- , black/ 2-pin connector -T2mrx- , black

Coupling point on front left door -TTVL-

A -	28-pin connector -T28a- , black/ 28-pin connector -T28ax- , black

Coupling point on front right door -TTVR-

A -	28-pin connector -T28b- , black/ 28-pin connector -T28bx- , black

Coupling point on rear left door -TTHL-

A -	19-pin connector -T19a- , black/ 19-pin connector -T19ax- , black

Coupling point on rear right door -TTHR-

A -	19-pin connector -T19b- , black/ 19-pin connector -T19bx- , black

Coupling point on left A-pillar, bottom -TALU-

Coupling point on left A-pillar, bottom -TALU- , left-hand drive models

A -	17-pin connector -T17h- , white/ 17-pin connector -T17hx- , white

B -	17-pin connector -T17f- , red/ 17-pin connector -T17fx- , red

C -	17-pin connector -T17g- , blue/ 17-pin connector -T17gx- , blue

D -	17-pin connector -T17i- , green/ 17-pin connector -T17ix- , green

E -	2-pin connector -T2ac- , blue/ 2-pin connector -T2acx- , blue

F -	2-pin connector

G -	5-pin connector -T5u- , white/ 5-pin connector -T5ux- , white

H -	6-pin connector -T6aq- , green/ 6-pin connector -T6aqx- , green

Coupling point on left A-pillar, bottom -TALU- , right-hand drive models

A -	2-pin connector

B -	5-pin connector -T5u- , white/ 5-pin connector -T5ux- , white

C -	2-pin connector -T2ac- , blue/ 2-pin connector -T2acx- , blue

D -	17-pin connector -T17g- , blue/ 17-pin connector -T17gx- , blue

E -	17-pin connector -T17f- , red/ 17-pin connector -T17fx- , red

F -	17-pin connector -T17h- , white/ 17-pin connector -T17hx- , white

G -	17-pin connector -T17i- , green/ 17-pin connector -T17ix- , green

Coupling point right A-pillar, bottom -TARU-

Coupling point on right A-pillar, bottom -TARU- , left-hand drive models

A -	2-pin connector , purple

B -	2-pin connector -T2dr- , black/ 2-pin connector -T2drx- , black

C -	2-pin connector , blue

D -	2-pin connector -T2ds- , brown/ 2-pin connector -T2dsx- , brown

E -	4-pin connector -T4am- , white/ 4-pin connector -T4amx- , white

F -	17-pin connector -T17k- , black/ 17-pin connector -T17kx- , black

Coupling point on right A-pillar, bottom -TARU- , right-hand drive models

A -	2-pin connector , purple

B -	2-pin connector -T2dr- , black/ 2-pin connector -T2drx- , black

C -	2-pin connector , blue

D -	6-pin connector -T6aq- , green/ 6-pin connector -T6aqx- , green

E -	4-pin connector -T4am- , white/ 4-pin connector -T4amx- , white

F -	17-pin connector -T17k- , black/ 17-pin connector -T17kx- , black

Coupling point in interior, centre -TIM-

A -	2-pin connector -T2dz- , black/ 2-pin connector -T2dzx- , black

B -	10-pin connector -T10m- , black/ 10-pin connector -T10mx- , black

C -	2-pin connector -T2dk- , purple/ 2-pin connector -T2dkx- , purple

Coupling point on front left bumper -TSFVL-

A -	8-pin connector -T8d- , black/ 8-pin connector -T8dx- , black

Coupling point in luggage compartment, left -THRL-

A -	16-pin connector -T16c- , brown/ 16-pin connector -T16cx- , brown

B -	Single-pin connector -T1a- , black/ single-pin connector -T1ax- , black

Coupling point for front left seat -TSVL-

A -	4-pin connector -T4sl- , black/4-pin connector -T4slx- , black

B -	10-pin connector -T10l- , black/ 10-pin connector -T10lx- , black

C -	3-pin connector -T3o- , yellow/ 3-pin connector -T3ox- , yellow

D -	6-pin connector -T6s- , green/ 6-pin connector -T6sx- , green

E -	17-pin connector -T17d- , red/ 17-pin connector -T17dx- , red

Coupling point for front right seat -TSVR-

A -	6-pin connector -T6t- , green/ 6-pin connector -T6tx- , green

B -	17-pin connector -T17e- , red/ 17-pin connector -T17ex- , red

C -	3-pin connector -T3p- , yellow/ 3-pin connector -T3px- , yellow

D -	10-pin connector -T10r- , black/ 10-pin connector -T10rx- , black

E -	4-pin connector -T4sr- , black/4-pin connector -T4srx- , black

Coupling point for fuel tank -TAK-

A -	6-pin connector -T6le- , green/ 6-pin connector -T6lex- , green

Coupling point for roof -TH-

A -	8-pin connector , black/ 8-pin connector , black

Coupling point on dash panel -TCP-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

A -	10-pin connector -T10b- , black/ 10-pin connector -T10bx- , black

Coupling point for glove compartment wiring harness -TLH-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

A -	12-pin connector -T12h- , black/ 12-pin connector -T12hx- , black

Coupling point for rear left seat -TSHL- / coupling point for rear right seat -TSHR-

A -	6-pin connector -T6ar- , green/ 6-pin connector -T6arx- , green

B -	6-pin connector -T6as- , green/ 6-pin connector -T6asx- , green

AUDI A4 2017 Overview of earth points

Overview of earth points

764	Earth point in front left wheel housing

q	Specified torque: 9 Nm

671	Earth point 1, on front left longitudinal member

q	Specified torque: 9 Nm

13	Earth point, on right in engine compartment

q	Specified torque: 20 Nm

685	Earth point 1 on front longitudinal member, right

q	Specified torque: 20 Nm

686	Earth point 2 on front longitudinal member, right

q	Specified torque: 20 Nm

828	Earth point on right suspension turret

q	Specified torque: 9 Nm

608	Earth point, central in plenum chamber

q	Specified torque: 9 Nm

34	Earth point, under driver seat

q	Specified torque: 9 Nm

47	Earth point in front right footwell

q	Specified torque: 9 Nm

687	Earth point 1 on centre tunnel

q	Specified torque: 9 Nm

758	Earth point 3 on centre tunnel

q	Specified torque: 9 Nm

688	Earth point 2 on centre tunnel

q	Specified torque: 9 Nm

704	Earth point 2, under driver seat

q	Specified torque: 9 Nm

602	Earth point in front left footwell

q	Specified torque: 9 Nm

730	Earth point 1 on rear right wheel housing

q	Specified torque: 9 Nm

666	Earth point on rear right of roof

q	Specified torque: 9 Nm

667	Earth point, on rear left of roof

q	Specified torque: 9 Nm

61	Earth point, left C-pillar

q	Specified torque: 9 Nm

50	Earth point, on left in luggage compartment

q	Specified torque: 9 Nm

51	Earth point, on right in luggage compartment

q	Specified torque: 9 Nm

624	Earth point next to starter battery

q	Specified torque: 9 Nm

52	Earth point, on left in rear lid

q	Specified torque: 9 Nm

53	Earth point on right in rear lid

q	Specified torque: 9 Nm

AUDI A4 2017 Overview of relay carriers

Overview of relay carriers

Relay and fuse carrier 2 -SR2-

t	Heated rear window relay -J9-

q	Fitting location and relay slot assignment

2 -

Ignore

3 -

Ignore

Relay and fuse carrier 1 -SR1-

t	Main relay -J271-

t	Engine component current supply relay -J757-

t	Terminal 15 voltage supply relay -J329-

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

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

7 -

Ignore

AUDI A4 2017 Fitting location, relay and fuse carrier 4 SR4

Fitting location, relay and fuse carrier 4 -SR4-

1 -	Relay and fuse carrier 4 -SR4-

A -

Ignore

B -

Ignore

R1 -	Low heat output relay -J359-

R2 -	High heat output relay -J360-

AUDI A4 2017 Fitting location, relay and fuse carrier 3 SR3

Fitting location, relay and fuse carrier 3 -SR3-

1 -	Relay and fuse carrier 3 -SR3-

R1.1 -

not assigned

R1.2 -

Ignore

R2 -	Starter relay 2 -J907-

R3 -	Starter relay 1 -J906-

AUDI A4 2017

Fitting location, relay and fuse carrier 1 -SR1- , left-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

R1 -	Main relay -J271-

R2 -	Engine component current supply relay -J757-

R3 -	Terminal 15 voltage supply relay -J329-

AUDI A4 2017

Fitting location, relay and fuse carrier 1 -SR1- , right-hand drive models

1 -	Relay and fuse carrier 1 -SR1-

R1 -	Main relay -J271-

R2 -	Engine component current supply relay -J757-

R3 -	Terminal 15 voltage supply relay -J329-

AUDI A4 2017 Fitting location, relay and fuse carrier 2 SR2

Fitting location, relay and fuse carrier 2 -SR2-

R1 -	not assigned

R2 -	not assigned

R3 -	Heated rear window relay -J9-

R4.1 -

not assigned

R4.2 -

not assigned

R5 -	not assigned

AUDI A4 2017 Overview of control units in middle part of vehicle

Overview of control units in middle part of vehicle

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Fitting location with online services (EL3)

q	Connector assignment without online services (EL0)

q	Connector assignment with online services (EL3)

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Fitting location for left-hand drive models with display unit control unit

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Connector assignment (9AK)

q	Connector assignment (9AQ)

q	Fitting location for right-hand drive models laterally reversed

q	Connector assignment

q	Fitting location for right-hand drive models laterally reversed

AUDI A4 2017 Fitting location Operating and display unit for Climatronic air conditioning system E87

Fitting location Operating and display unit for Climatronic air conditioning system -E87-

Fitting location

in centre of dash panel.

1 -	Operating and display unit for Climatronic air conditioning system -E87-

A -	20-pin connector -T20d- , black

B -	16-pin connector -T16k- , black

Connector assignment of operating and display unit for Climatronic air conditioning system -E87- (9AQ)

-T20d- (A)	Designation		-T16k- (B)	Designation
1			1	Rear temperature flap control motor -V137-
2	Data bus diagnostic interface -J533-		2	Defroster flap control motor -V107- Air recirculation flap control motor -V113- Rear temperature flap control motor -V137- Left temperature flap control motor -V158- Right temperature flap control motor -V159- Left side vent control motor -V299- Right side vent control motor -V300- Rear air distribution flap control motor -V427- Fresh air flap control motor -V438-
3	Data bus diagnostic interface -J533-		3	Defroster flap control motor -V107- Air recirculation flap control motor -V113- Rear temperature flap control motor -V137- Left temperature flap control motor -V158- Right temperature flap control motor -V159- Left side vent control motor -V299- Right side vent control motor -V300- Rear air distribution flap control motor -V427- Fresh air flap control motor -V438-
4	LIN bus		4	Evaporator output temperature sender -G263-
5			5	Left footwell vent temperature sender -G261-
6	Photosensor for sunlight intensity -G107-		6	Right footwell vent temperature sender -G262-
7	Photosensor for sunlight intensity -G107- Front left chest vent temperature sensor -G385- Front right chest vent temperature sensor -G386-		7
8	Photosensor for sunlight intensity -G107-		8
9	Photosensor for sunlight intensity -G107-		9	Left footwell vent temperature sender -G261- Right footwell vent temperature sender -G262- Evaporator output temperature sender -G263-
10			10
11	Front left chest vent temperature sensor -G385-		11
12	Front right chest vent temperature sensor -G386-		12
13			13
14			14
15			15
16	High pressure sender -G65- Humidity sender in fresh air intake duct -G657-		16
17	Dash panel vent control motor -V562-
18
19	Terminal 31
20	Terminal 30

Back to overview .

AUDI A4 2017 Fitting location Rear Climatronic operating and display unit E265

Fitting location Rear Climatronic operating and display unit -E265-

Fitting location Rear Climatronic operating and display unit -E265-

Fitting location

In rear centre console.

1 -	Rear Climatronic operating and display unit -E265-

A -	3-pin connector -T3z- , black

B -	8-pin connector -T8n- , black

.

Fitting location, seat and steering column adjustment control unit with memory -J136- /front passenger seat adjustment control unit with memory -J521-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

at bottom of seat.

1 -	Seat and steering column adjustment control unit with memory -J136- /front passenger seat adjustment control unit with memory -J521-

A -	20-pin connector -T20a- /-T20b- , black

q	20-pin connector -T20a- on seat and steering column adjustment control unit with memory -J136-

q	20-pin connector -T20b- on front passenger seat adjustment control unit with memory -J521-

B -	not assigned

C -	4-pin connector -T4aa- /-T4ab- , black

q	4-pin connector -T4aa- on seat and steering column adjustment control unit with memory -J136-

q	4-pin connector -T4ab- on front passenger seat adjustment control unit with memory -J521-

D -	26-pin connector -T26b- /-T26c- , blue

q	26-pin connector -T26b- on seat and steering column adjustment control unit with memory -J136-

q	26-pin connector -T26c- on front passenger seat adjustment control unit with memory -J521-

E -	26-pin connector -T26- /-T26a- , white

q	26-pin connector -T26- on seat and steering column adjustment control unit with memory -J136-

q	26-pin connector -T26a- on front passenger seat adjustment control unit with memory -J521-

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

-T20a- (A)	Designation		-T20a- (A)	Designation
1	Convenience CAN bus, high		11	Convenience CAN bus, low
2			12
3	Coding wire		13
4			14	Driver seat adjustment operating unit -E470-
5			15	Driver seat adjustment operating unit -E470-
6			16	Driver seat adjustment operating unit -E470-
7			17	Driver seat adjustment operating unit -E470-
8	Driver seat adjustment operating unit -E470-		18
9			19	Driver seat adjustment operating unit -E470-
10			20	Coding wire

-T4aa- (C)	Designation		-T26b- (D)	Designation		-T26- (E)	Designation
1	Terminal 30		1	Driver seat backrest adjustment motor -V45-		1
2			2			2
3	Terminal 31		3			3	Driver seat longitudinal adjustment motor -V28-
4			4			4
			5			5	Driver seat longitudinal adjustment motor -V28-
			6			6	Driver seat rake adjustment motor -V243-
			7			7
			8			8	Driver seat longitudinal adjustment motor -V28-
			9			9
			10			10	Driver seat height adjustment motor -V245-
			11			11
			12			12
			13			13
			14			14
			15			15
			16			16
			17			17
			18			18
			19	Driver seat backrest adjustment motor -V45-		19
			20			20
			21			21
			22			22
			23			23	Driver seat rake adjustment motor -V243-
			24			24	Driver seat longitudinal adjustment motor -V28-
			25			25	Driver seat height adjustment motor -V245-
			26			26

Back to overview .

.

AUDI A4 2017 Fitting location, airbag control unit J234

Fitting location, airbag control unit -J234-

Fitting location

Under centre console

1 -	Airbag control unit -J234-

A -	20-pin connector -T20- , yellow

B -	96-pin connector -T96- , yellow

Back to overview .

AUDI A4 2017

Fitting location, sliding sunroof adjustment control unit -J245- / rear sliding sunroof control unit -J392- / sunroof roller blind motor -V260-

Fitting location

On front and rear of sliding sunroof frame.

1 -	Rear sliding sunroof control unit -J392-

2 -	Sliding sunroof adjustment control unit -J245-

3 -	Sunroof roller blind motor -V260-

A -	6-pin connector -T6al-

B -	16-pin connector -T16g- , black

C -	4-pin connector -T4bt- , black

D -	5-pin connector -T5ak- , black

E -	6-pin connector -T6am- , black

q	on sunroof roller blind motor -V260-

Connector assignment, sliding sunroof adjustment control unit -J245-

-T16g- (B)	Designation		-T4bt- (C)	Designation		-T5ak- (D)	Designation
1	Rear sliding sunroof control unit -J392-		1	Sunroof roller blind motor -V260-		1	Terminal 31
2	Rear sliding sunroof control unit -J392-		2	Sunroof roller blind motor -V260-		2
3	Rear sliding sunroof control unit -J392- sunroof roller blind motor -V260-		3	Rear sliding sunroof control unit -J392-		3	Convenience CAN bus, high
4	Sunroof button -E325- Button 1 for roof roller blind -E584-		4	Rear sliding sunroof control unit -J392-		4	Convenience CAN bus, low
5	Sunroof button -E325- Button 1 for roof roller blind -E584-					5	Terminal 30
6	Sunroof button -E325- Button 1 for roof roller blind -E584-
7
8
9	Sunroof roller blind motor -V260-
10	Sunroof roller blind motor -V260-
11	Rear sliding sunroof control unit -J392- sunroof roller blind motor -V260-
12	Sunroof button -E325- Button 1 for roof roller blind -E584-
13
14
15
16	Sunroof button -E325- Button 1 for roof roller blind -E584-

Back to overview .

AUDI A4 2017 Fitting location, control unit in dash panel insert J285 Fitting location, control unit in dash panel insert -J285- Fitting location, control unit in dash panel insert -J285- , without display unit control unit   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

In driver side dash panel.

1 -	Control unit in dash panel insert -J285-

A -	32-pin connector -T32f- , grey

B -	2-pin connector -T2dx- , black

q

MOST bus

Connector assignment, control unit in dash panel insert -J285- Back to overview . Fitting location, control unit in dash panel insert -J285- , with display unit control unit   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

In driver side dash panel.

1 -	Control unit in dash panel insert -J285-

A -	4-pin connector -T4bd- , black

B -	2-pin connector -T2dx- , black

q

MOST bus

C -	32-pin connector -T32f- , grey

Connector assignment, control unit in dash panel insert -J285-

-T32f- (C)	Designation		-T32f- (C)	Designation		-T32f- (C)	Designation
1	B159 Connection (diagnosis), in interior wiring harness		12			23
2			13			24
3	Infotainment CAN bus, low		14			25
4	Infotainment CAN bus, high		15			26
5			16			27
6			17			28
7			18			29
8	Dash panel insert operating buttons -E493-		19			30	Terminal 31
9			20			31
10			21			32	Terminal 30
11			22

Back to overview .

Fitting location, driver door control unit -J386-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

In driver door.

1 -	Driver door control unit -J386-

A -	32-pin connector -T32a- , blue

B -	16-pin connector -T16b- , white

C -	20-pin connector -T20l- , white

D -	6-pin connector -T6l- , black

Connector assignment, driver door control unit -J386-

-T32a- (A)	Designation		-T16b- (B)	Designation
1	Central locking SAFELOCK function warning lamp -K133-		1
2			2	Driver side automatic anti-dazzle exterior mirror -Y20- Driver side exterior mirror -VX4-
3	Light for driver side interior door handle illumination -L219-		3	Front passenger side turn signal repeater bulb -L131- Heated exterior mirror on driver side -Z4- Driver side exterior mirror -VX4-
4	Terminal 58s		4	Lane change assist warning lamp in driver side exterior mirror -K233- Driver side exterior mirror -VX4-
5	Terminal 31		5	Driver side exterior mirror -VX4-
6	Driver door exit warning light -W111-		6	Driver side automatic anti-dazzle exterior mirror -Y20- Driver side exterior mirror -VX4-
7			7	Driver side mirror adjustment motor 2 -V17- Driver side exterior mirror -VX4-
8	Light for driver side interior door handle illumination -L223- Light for rear driver side door ambient lighting -W86-		8	Driver side mirror adjustment motor -V149- Driver side exterior mirror -VX4-
9			9	Driver side fold-in mirror motor -V121- Driver side exterior mirror -VX4-
10	Button for deactivating interior monitoring and vehicle inclination sensor -E616-		10	Driver side fold-in mirror motor -V121- Driver side exterior mirror -VX4-
11	Operating unit for window regulator in driver door -E512-		11	Driver side turn signal repeater bulb -L131- Driver side exterior mirror -VX4-
12	Operating unit for window regulator in driver door -E512-		12	Lane change assist warning lamp in driver side exterior mirror -K233- Driver side exterior mirror -VX4-
13	Driver side interior locking button for central locking system -E308-		13	Potentiometer for horizontal adjustment of driver side mirror -G514- Driver side exterior mirror -VX4-
14			14	Potentiometer for horizontal adjustment of driver side mirror -G514- Potentiometer for vertical adjustment of driver side mirror -G515- Driver side exterior mirror -VX4-
15	Driver side operating unit for memory settings -E464-		15	Heated exterior mirror on driver side -Z4- Driver side exterior mirror -VX4-
16	Driver side entry light -W92-		16	Potentiometer for vertical adjustment of driver side mirror -G515- Driver side exterior mirror -VX4-
17	Driver side operating unit for memory settings -E464-
18
19	Driver side operating unit for memory settings -E464-
20	Button for deactivating interior monitoring and vehicle inclination sensor -E616-
21
22
23	Rear lid remote release button -E233-
24	Mirror adjustment switch -E43-
25	Mirror adjustment switch -E43-
26
27	Operating unit for window regulator in driver door -E512-
28	Driver side interior locking button for central locking system -E308-
29	Rear passenger side window regulator button in driver door -E714- Operating unit for window regulator in driver door -E512-
30	Rear driver side window regulator button in driver door -E712- Operating unit for window regulator in driver door -E512-
31	Front passenger side window regulator button, in driver door -E715- Operating unit for window regulator in driver door -E512-
32	Front driver side window regulator button -E710- Operating unit for window regulator in driver door -E512-

-T20l- (C)	Designation		-T6l- (D)	Designation
1	Driver door lock unit -VX21-		1
2			2
3	Front left door exterior handle illumination bulb -L162-		3	Driver side window regulator motor -V147-
4			4
5	Driver door lock unit -VX21-		5
6	Driver door lock unit -VX21-		6	Driver side window regulator motor -V147-
7
8
9
10	LIN bus
11	Driver door lock unit -VX21-
12	Driver door lock unit -VX21-
13	Driver door lock unit -VX21-
14	Convenience CAN bus, low
15	Convenience CAN bus, high
16	Light for driver side sill panel moulding ambient lighting -W102-
17
18
19	Terminal 30
20	Terminal 31

Back to overview .

AUDI A4 2017 Fitting location, front passenger door control unit J387 Fitting location, front passenger door control unit -J387-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

In front passenger door.

1 -	Front passenger door control unit -J387-

A -	32-pin connector -T32b- , blue

B -	16-pin connector -T16cd- , white

C -	20-pin connector -T20r- , white

D -	6-pin connector -T6r- , black

Connector assignment, front passenger door control unit -J387-

-T32b- (A)	Designation		-T16cd- (B)	Designation
1			1
2			2	Front passenger side automatic anti-dazzle exterior mirror -Y21- Front passenger side exterior mirror -VX5-
3	Light for front passenger side interior door handle illumination -L220-		3	Front passenger side turn signal repeater bulb -L132- Heated exterior mirror on front passenger side -Z5- Front passenger side exterior mirror -VX5-
4	Terminal 58s		4	Lane change assist warning lamp in front passenger side exterior mirror -K234- Front passenger side exterior mirror -VX5-
5	Terminal 31		5	Front passenger side exterior mirror -VX5-
6	Ausstiegswarnleuchte Beifahrerseite -W112-		6	Front passenger side automatic anti-dazzle exterior mirror -Y21- Front passenger side exterior mirror -VX5-
7			7	Front passenger side mirror adjustment motor 2 -V25- Front passenger side exterior mirror -VX5-
8	Light for passenger side door loudspeaker trim -L224- Light for passenger door ambient lighting -W87-		8	Front passenger side mirror adjustment motor -V150- Front passenger side exterior mirror -VX5-
9			9	Front passenger side fold-in mirror motor -V122- Front passenger side exterior mirror -VX5-
10			10	Front passenger side fold-in mirror motor -V122- Front passenger side exterior mirror -VX5-
11			11	Front passenger side turn signal repeater bulb -L132- Front passenger side exterior mirror -VX5-
12			12	Lane change assist warning lamp in front passenger side exterior mirror -K234- Front passenger side exterior mirror -VX5-
13	Front passenger side interior locking button for central locking system -E309-		13	Potentiometer for horizontal adjustment of front passenger side mirror -G516- Front passenger side exterior mirror -VX5-
14			14	Potentiometer for horizontal adjustment of front passenger side mirror -G516- Potentiometer for vertical adjustment of front passenger side mirror -G517- Front passenger side exterior mirror -VX5-
15	Front passenger side operating unit for memory settings -E465-		15	Heated exterior mirror on front passenger side -Z5- Front passenger side exterior mirror -VX5-
16	Front passenger side entry light -W93-		16	Potentiometer for vertical adjustment of front passenger side mirror -G517- Front passenger side exterior mirror -VX5-
17	Front passenger side operating unit for memory settings -E465-
18
19	Front passenger side operating unit for memory settings -E465-
20
21
22
23
24
25
26
27
28	Front passenger side interior locking button for central locking system -E309-
29
30
31
32	Front passenger side window regulator button -E716-

-T20r- (C)	Designation		-T6r- (D)	Designation
1			1
2			2
3	Front right door exterior handle illumination bulb -L163-		3	Front passenger side window regulator motor -V148-
4			4
5	Front passenger door lock unit -VX22-		5
6	Front passenger door lock unit -VX22-		6	Front passenger side window regulator motor -V148-
7
8
9
10	LIN bus
11	Front passenger door lock unit -VX22-
12	Front passenger door lock unit -VX22-
13	Front passenger door lock unit -VX22-
14	Convenience CAN bus, low
15	Convenience CAN bus, high
16	Light for sill panel moulding ambient lighting, front passenger side -W103-
17
18
19	Terminal 30
20	Terminal 31

Back to overview .

AUDI A4 2017 Fitting location, onboard supply control unit J519

Fitting location, onboard supply control unit -J519-

Fitting location

On left A-pillar.

1 -	Onboard supply control unit -J519-

A -	54-pin connector -T54c- (connector C), black

B -	73-pin connector -T73a- (connector A), black

C -	73-pin connector -T73b- (connector B), black

Connector assignment, onboard supply control unit -J519-

-T54c- (A)	Designation		-T73a- (B)	Designation		-T73b- (C)	Designation
1			1	12 V socket -U5- 12 V socket 2 -U18- 12 V socket 3 -U19- 12 V socket 4 -U20- 12 V socket 5 -U26-		1	Terminal 30
2	Front right footwell light -K269-		2	Terminal 30		2	Headlight washer system pump -V11-
3	Front left footwell light -K268-		3			3	Washer pump -V5- Rear window wiper motor -V12-
4			4			4	Washer pump -V5- Rear window wiper motor -V12-
5			5			5	Treble horn -H2- Bass horn -H7-
6			6			6	Right dipped beam screen motor -V295-
7			7	Terminal 15		7
8			8	Air conditioner compressor regulating valve -N280-		8
9			9			9	Left washer jet heater element -Z20- Right washer jet heater element -Z21-
10			10			10	Front right heated seat backrest -Z117-
11	Terminal 31		11	Front left footwell light -K268- Front right footwell light -K269-		11	Rear left seat lateral support heater -Z48-
12			12	Terminal 30		12	Terminal 30
13			13	Coolant shut-off valve -N82-		13
14			14			14
15			15			15
16			16	Air conditioner compressor regulating valve -N280-		16	Front right parking aid sender -G252- Front centre right parking aid sender -G253- Front centre left parking aid sender -G254- Front left parking aid sender -G255-
17			17			17	Rear left parking aid sender -G203- Rear centre left parking aid sender -G204- Rear centre right parking aid sender -G205- Rear right parking aid sender -G206-
18			18			18	Front left parking aid sender -G255-
19	Front parking aid warning buzzer -H22-		19	Terminal 15		19	Front right parking aid sender -G252- Front centre right parking aid sender -G253- Front centre left parking aid sender -G254- Front left parking aid sender -G255- Front left sender for park assist steering on left side of vehicle -G568- Front right sender for park assist steering on right side of vehicle -G569-
20	Front parking aid warning buzzer -H22-		20	Front left brake pad wear sender -G34- Rear right brake pad wear sender -G37-		20	Rear left parking aid sender -G203- Rear centre left parking aid sender -G204- Rear centre right parking aid sender -G205- Rear right parking aid sender -G206- Rear left park assist steering sender -G716- Rear right park assist steering sender -G717-
21			21	Brake fluid level warning contact -F34-		21	Front right parking aid sender -G252-
22			22	Wiper motor control unit -J400- (LIN bus)		22	Front centre right parking aid sender -G253-
23			23	Rain and light sensor -G397- (LIN bus)		23	Front left seat temperature sender -G344-
24			24	B549 connection 2 (LIN bus) in main wiring harness		24
25			25	B712 connection 7 (LIN bus) in main wiring harness		25
26			26			26	Front right seat temperature sender -G345-
27	Valet parking button -E536-		27	B711 connection 6 (LIN bus) in main wiring harness (door storage compartment illumination)		27
28			28	Front footwell lights, ambient lighting (LIN bus)		28
29			29			29
30	Light switch -E1- (LIN bus)		30	Bonnet contact switch 2 -F329-		30
31	Hazard warning lights button -E229-		31	Bonnet contact switch -F266-		31
32			32	Terminal 58		32	Front right side marker bulb -M34-
33	Valet parking button -E536-		33	Entry and start authorisation button -E408-		33
34			34	Terminal 58		34
35			35	Rear parking aid warning buzzer -H15-		35
36			36	Ambient lighting		36
37	Terminal 58		37			37
38			38	Air conditioner compressor regulating valve -N280-		38
39	Glove compartment light -W6-		39			39
40			40	Terminal 31		40	Convenience CAN bus, high
41			41	Left headlight range control motor -V48- Right headlight range control motor -V49-		41	Convenience CAN bus, low
42			42	Onboard supply control unit CAN bus, low		42	Onboard supply control unit CAN bus, high
43			43	Onboard supply control unit CAN bus, high		43	Onboard supply control unit CAN bus, low
44			44	Windscreen washer fluid level sender -G33-		44
45			45	Coolant shortage indicator sender -G32-		45
46			46	Ambient temperature sensor -G17-		46
47			47			47
48	Hazard warning lights button -E229-		48			48	Front centre left parking aid sender -G254-
49			49			49
50	Light switch -E1- (LIN bus)		50			50	Front right sender for park assist steering on right side of vehicle -G569-
51	Operating unit 1 for driving and comfort functions -E791- (LIN bus)		51			51	Front left sender for park assist steering on left side of vehicle -G568-
52			52			52	Rear right parking aid sender -G206-
53	Front left footwell light -K268- (LIN bus)		53	Rear parking aid warning buzzer -H15-		53	Rear left parking aid sender -G203-
54			54			54
			55	Left headlight range control motor -V48- Right headlight range control motor -V49-		55	Rear centre right parking aid sender -G205-
			56			56	Rear centre left parking aid sender -G204-
			57	Front left side marker bulb -M33-		57	Rear right park assist steering sender -G717-
			58	Left LED module for daytime running light and side light -L176-		58	Rear left park assist steering sender -G716-
			59	Front footwell lights, ambient lighting, entry lights, door contour lighting, door storage compartment illumination		59
			60	Right LED module for daytime running light and side light -L177-		60
			61	Left headlight range control motor -V48- Right headlight range control motor -V49-		61
			62			62
			63	Terminal 31		63	Terminal 31
			64	Left gas discharge bulb control unit -L13- or output module 1 for left LED headlight -A31-		64	Right gas discharge bulb control unit -L14- or output module 1 for right LED headlight -A27-
			65	Left static cornering light -M51- or output module 1 for left LED headlight -A31-		65	Right static cornering light -M52- or output module 1 for right LED headlight -A27-
			66	Terminal 30		66	Terminal 30
			67	Right LED module for daytime running light and side light -L177- or right light control unit -J1023-		67	Left LED module for daytime running light and side light -L176- or left light control unit -J1018-
			68			68	Front right turn signal bulb -M7-
			69	Front left turn signal bulb -M5-		69
			70	Left dipped beam screen motor -V294-		70
			71			71	Heated seat cushion for front left seat -Z45-
			72	Driver vanity mirror contact switch -F147- Front passenger vanity mirror contact switch -F148- Front passenger side illuminated vanity mirror -W14- Driver side illuminated vanity mirror -W20-		72	Front left heated seat backrest -Z116-
			73	Terminal 30		73	Terminal 30

Back to overview .

AUDI A4 2017 Fitting location, steering column electronics control unit J527 Fitting location, steering column electronics control unit -J527-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

On steering column.

1 -	Steering column electronics control unit -J527-

A -	17-pin connector -T17c- , yellow

Connector assignment, steering column electronics control unit -J527-

-T17c- (A)	Designation		-T17c- (A)	Designation
1	Terminal 30		10
2	LIN bus		11	Airbag control unit -J234-
3	Data bus line (FlexRay bus)		12	Airbag control unit -J234-
4	Data bus line (FlexRay bus)		13	Airbag control unit -J234-
5			14	Airbag control unit -J234-
6			15	Terminal 30 (steering wheel heating)
7	CCS		16
8			17	Terminal 31
9

Back to overview .

AUDI A4 2017 Fitting location, roof electronics control unit J528

Fitting location, roof electronics control unit -J528-

Fitting location

In front roof module -WX3- .

1 -	Roof electronics control unit -J528-

A -	6-pin connector -T6bc- , black

B -	16-pin connector -T16p- , brown

Connector assignment of roof electronics control unit -J528-

-T6bc- (A)	Designation
1	Terminal 30
2	Terminal 58
3
4
5	Terminal 31
6	LIN bus

Back to overview .

AUDI A4 2017 Fitting location, data bus diagnostic interface J533

Fitting location, data bus diagnostic interface -J533-

Fitting location, data bus diagnostic interface -J533- , without online services (EL0)

Fitting location

Near rear seat bench.

1 -	Data bus diagnostic interface -J533-

A -	54-pin connector -T54- , black

Connector assignment, data bus diagnostic interface -J533-

-T54- (A)	Designation		-T54- (A)	Designation		-T54- (A)	Designation
1			19			37
2			20			38
3	Diagnostic connection -U31- / FlexRay bus		21	Diagnostic connection -U31- / FlexRay bus		39
4	Diagnostic connection -U31-		22	Diagnostic connection -U31-		40
5	All-wheel drive control unit -J492- / FlexRay bus		23	All-wheel drive control unit -J492- / FlexRay bus		41	All-wheel drive control unit -J492-
6			24			42	All-wheel drive control unit -J492-
7	Control unit 2 for adaptive cruise control -J850- / FlexRay bus		25	Control unit 2 for adaptive cruise control -J850- / FlexRay bus		43
8	Airbag control unit -J234- / FlexRay bus		26	Airbag control unit -J234- / FlexRay bus		44
9	FlexRay bus/ automatic gearbox		27	FlexRay bus/ automatic gearbox		45	FlexRay bus for driver assist systems, adaptive suspension
10	Engine control unit -J623- / FlexRay bus		28	Engine control unit -J623- / FlexRay bus		46	FlexRay bus for driver assist systems, adaptive suspension
11	B229 connection (high bus) in interior wiring harness		29	B230 connection (low bus) in interior wiring harness		47
12	Extended CAN bus, high		30	Extended CAN bus, low		48	Diagnosis CAN bus, low
13	Infotainment CAN bus, high		31	Infotainment CAN bus, low		49	Diagnosis CAN bus, high
14			32			50	Operating and display unit for front air conditioning system -E87- / CAN bus, low
15	Convenience CAN bus, high		33	Convenience CAN bus, low		51	Operating and display unit for front air conditioning system -E87- / CAN bus, high
16	LIN bus		34	LIN bus		52
17	Terminal 15		35			53
18	Terminal 30		36	Diagnostic connection -U31-		54	Terminal 31

Back to overview .

Fitting location, data bus diagnostic interface -J533- , with online services (EL3)

Fitting location

Near rear seat bench.

1 -	Data bus diagnostic interface -J533-

A -	54-pin connector -T54- , black

B -	54-pin connector -T54b- , blue

C -	4-pin connector -T4da- , purple

Connector assignment, data bus diagnostic interface -J533-

-T54- (A)	Designation		-T54- (A)	Designation		-T54- (A)	Designation
1			19			37
2			20			38
3	Diagnostic connection -U31- / FlexRay bus		21	Diagnostic connection -U31- / FlexRay bus		39
4	Diagnostic connection -U31-		22	Diagnostic connection -U31-		40
5	All-wheel drive control unit -J492- / FlexRay bus		23	All-wheel drive control unit -J492- / FlexRay bus		41	All-wheel drive control unit -J492-
6			24			42	All-wheel drive control unit -J492-
7	Control unit 2 for adaptive cruise control -J850- / FlexRay bus		25	Control unit 2 for adaptive cruise control -J850- / FlexRay bus		43
8	Airbag control unit -J234- / FlexRay bus		26	Airbag control unit -J234- / FlexRay bus		44
9	FlexRay bus/ automatic gearbox		27	FlexRay bus/ automatic gearbox		45	FlexRay bus for driver assist systems, adaptive suspension
10	Engine control unit -J623- / FlexRay bus		28	Engine control unit -J623- / FlexRay bus		46	FlexRay bus for driver assist systems, adaptive suspension
11	B229 connection (high bus) in interior wiring harness		29	B230 connection (low bus) in interior wiring harness		47
12	Extended CAN bus, high		30	Extended CAN bus, low		48	Diagnosis CAN bus, low
13	Infotainment CAN bus, high		31	Infotainment CAN bus, low		49	Diagnosis CAN bus, high
14			32			50	Operating and display unit for front air conditioning system -E87- / CAN bus, low
15	Convenience CAN bus, high		33	Convenience CAN bus, low		51	Operating and display unit for front air conditioning system -E87- / CAN bus, high
16	LIN bus		34	LIN bus		52
17	Terminal 15		35			53
18	Terminal 30		36	Diagnostic connection -U31-		54	Terminal 31

-T54b- (B)	Designation		-T54b- (B)	Designation		-T54b- (B)	Designation
1			19			37
2	Emergency call module loudspeaker -R335-		20			38
3	Emergency call module loudspeaker -R335-		21			39
4			22			40
5	Control unit 1 for information electronics -J794-		23			41
6	Control unit 1 for information electronics -J794-		24			42
7			25			43
8			26			44
9	Left front microphone -R140-		27			45
10	Left front microphone -R140-		28			46
11	Control unit 1 for information electronics -J794-		29			47
12	Control unit 1 for information electronics -J794-		30			48
13	Control unit 1 for information electronics -J794-		31			49
14	Airbag control unit -J234-		32			50
15			33			51
16			34			52
17			35			53
18			36			54	Shield

Back to overview .

AUDI A4 2017 Fitting location, fuel pump control unit J538

Fitting location, fuel pump control unit -J538-

Fitting location

Under rear seat bench, on fuel tank.

1 -	Fuel pump control unit -J538-

A -	6-pin connector -T6bl- , black

Connector assignment, fuel pump control unit -J538-

-T6bl- (A)	Designation
1	Fuel system pressurisation pump -G6-
2	Fuel system pressurisation pump -G6-
3	Fuel system pressurisation pump -G6-
4	Terminal 31
5	Terminal 87
6	Engine control unit -J623-

Back to overview . AUDI A4 2017 Fitting location, control unit for electronic steering column lock J764 Fitting location, control unit for electronic steering column lock -J764-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.

Fitting location

On steering column.

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

A -	4-pin connector -T4x- , black

AUDI A4 2017 Fitting location Running gear control unit J775 Fitting location Running gear control unit -J775- Fitting location Under centre console at front on centre tunnel https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Running gear control unit -J775- A -  81-pin connector -T81- , black Connector assignment of running gear control unit -J775- -T81- (A) Designation -T81- (A) Designation   -T81- (A) Designation 1 Terminal 30 28     55   2     29     56   3     30   57   4     31 Front right vehicle level sender -G289- 58   5 Terminal 31   32 Rear left vehicle level sender -G76-   59   6     33   60   7     34 Front right vehicle level sender -G289-   61   8     35     62 Terminal 15 9 Front left vehicle level sender -G78-   36     63 Front camera for driver assist systems -R242- / FlexRay bus or steering column electronics control unit -J527- / FlexRay bus 10 Front left vehicle level sender -G78-   37     64 Front camera for driver assist systems -R242- / FlexRay bus or steering column electronics control unit -J527- / FlexRay bus 11 Front left vehicle level sender -G78-   38     65   12 Front right vehicle level sender -G289-   39     66   13 Rear left vehicle level sender -G76-   40     67   14 Rear left vehicle level sender -G76-   41     68 Rear right shock absorber damping adjustment valve -N339- 15     42     69 Rear right shock absorber damping adjustment valve -N339- 16   43     70   17 Rear right vehicle level sender -G77-   44 Data bus diagnostic interface -J533- / FlexRay bus   71   18 Rear right vehicle level sender -G77-   45 Data bus diagnostic interface -J533- / FlexRay bus   72 Rear left shock absorber damping adjustment valve -N338- 19 Rear right vehicle level sender -G77-   46     73 Rear left shock absorber damping adjustment valve -N338- 20     47     74   21     48     75   22     49   76 Front right shock absorber damping adjustment valve -N337- 23     50     77 Front right shock absorber damping adjustment valve -N337- 24     51     78   25   52     79   26     53     80 Front left shock absorber damping adjustment valve -N336- 27     54   81 Front left shock absorber damping adjustment valve -N336- Back to overview . AUDI A4 2017 Fitting location, control unit 1 for information electronics J794 Fitting location, control unit 1 for information electronics -J794-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location In glove compartment. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Control unit 1 for information electronics -J794- A -  2-pin connector -T2zia- , blue B -  2-pin connector -T2dna- , black q   According to equipment B -  2-pin connector -T2dnb- , brown q   According to equipment C -  4-pin connector -T4aw- , white D -  4-pin connector -T4ae- , purple E -  4-pin connector -T4fa- , yellow F -  2-pin connector -T2dw- , black G -  12-pin connector -T12m- , green H -  12-pin connector -T12n- , grey I -  8-pin connector -T8t- , black J -  8-pin connector -T8p- , brown K -  12-pin connector -T12l- , blue L -  Terminal block Back to overview .     AUDI A4 2017 Fitting location Main beam assist control unit J844 Fitting location Main beam assist control unit -J844- Fitting location On interior mirror. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Main beam assist control unit -J844- A -  8-pin connector -T8o- , black Connector assignment of main beam assist control unit -J844- -T8o- (A) Designation   -T8o- (A) Designation 1 Terminal 15 5   2 Terminal 31 6   3 Extended CAN bus, high 7 LIN bus 4   8 Extended CAN bus, low Back to overview . AUDI A4 2017 Fitting location, control units for front belt tensioners -J854- / -J855- Fitting location On belt retractor in B-pillar https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Control units for front belt tensioners -J854- /-J855- A -  5-pin connector -T5s- /-T5t- , translucent q   5-pin connector -T5s- on control unit for front left belt tensioner -J854- q   5-pin connector -T5t- on control unit for front right belt tensioner -J855- Connector assignment of control unit for front belt tensioner -J854- /-J855- -T5s- (A) Designation   -T5t- (A) Designation 1   1 2 Extended CAN bus, low 2 Extended CAN bus, low 3 Extended CAN bus, high 3 Extended CAN bus, high 4 Terminal 30 4 Terminal 30 5 Terminal 31 5 Terminal 31 Back to overview . AUDI A4 2017 Fitting location, Control unit for fuel tank leak detection J909 Fitting location, Control unit for fuel tank leak detection -J909- Fitting location On fuel tank. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Control unit for fuel tank leak detection -J909- A -  5-pin connector -T5sm- , black Connector assignment of fuel tank leak diagnosis control unit -J909-     -T5sm- (A) Designation 1 Tank pressure sensor -G400- 2 Engine control unit -J623- 3 Engine control unit -J623- 4 Terminal 30 5 Tank pressure sensor -G400- Back to overview . AUDI A4 2017 Fitting location Rear driver side door control unit J926 Fitting location Rear driver side door control unit -J926-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location in rear driver side door. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Türsteuergerät hinten Fahrerseite -J926- A -  6-pin connector -T6ao- , brown B -  16-pin connector -T16h- , black C -  20-pin connector -T20hl- , white D -  6-pin connector -T6hl- , black Connector assignment of rear driver side door control unit -J926- -T6ao- (A) Designation   -T16h- (B) Designation 1 Rear driver side door exit warning light -W113-   1 Light for rear driver side interior door handle illumination -L221- 2     2 Terminal 58s 3     3 Light for rear driver side door ambient lighting -W88- 4     4 5     5 6     6     7     8     9 Rear driver side window regulator button -E711-     10 Rear driver side interior locking button for central locking system -E717-     11 Rear driver side interior locking button for central locking system -E717-     12 Rear driver side entry light -W83-     13 Terminal 31     14     15     16 -T20hl- (C) Designation   -T6hl- (D) Designation 1 Light for rear driver side exterior door handle illumination -L285-   1   2     2   3     3 Rear driver side window regulator motor -V471- 4 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)   4   5 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)   5   6 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)   6 Rear driver side window regulator motor -V471- 7       8       9 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)       10 LIN bus     11 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)     12 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)       13 Rear left door lock unit -VX23-1) Rear right door lock unit -VX24-2)       14     15       16       17       18       19 Terminal 30       20 Terminal 31   1) only on left-hand drive models 2) only on right-hand drive models Back to overview . AUDI A4 2017 Fitting location Rear passenger side door control unit J927 Fitting location Rear passenger side door control unit -J927-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location in rear passenger side door. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Rear passenger side door control unit -J927- A -  6-pin connector -T6ap- , brown B -  16-pin connector -T16i- , black C -  20-pin connector -T20hr- , white D -  6-pin connector -T6hr- , black Connector assignment of rear passenger side door control unit -J927- -T6ap- (A) Designation   -T16i- (B) Designation 1 Rear passenger side door exit warning light -W114-   1 Light for rear passenger side interior door handle illumination -L222- 2     2 Terminal 58s 3     3 Light for rear passenger side door ambient lighting -W89- 4     4 5     5 6     6     7     8     9 Rear passenger side window regulator button -E713-     10 Rear passenger side interior locking button for central locking system -E718-     11 Rear passenger side interior locking button for central locking system -E718-     12 Rear passenger side entry light -W84-     13 Terminal 31     14     15     16 -T20hr- (C) Designation   -T6hr- (D) Designation 1 Light for rear passenger side exterior door handle illumination -L286-   1   2     2   3     3 Rear passenger side window regulator motor -V472- 4 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   4   5 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   5   6 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   6 Rear passenger side window regulator motor -V472- 7       8       9 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)       10 LIN bus     11 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)     12 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)   13 Rear right door lock unit -VX24-1) Rear left door lock unit -VX23-2)       14       15       16       17     18       19 Terminal 30       20 Terminal 31   1) only on left-hand drive models 2) only on right-hand drive models Back to overview . AUDI A4 2017 Fitting location, front camera for driver assist systems R242 Fitting location, front camera for driver assist systems -R242- Fitting location Near interior mirror. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Front camera for driver assist systems -R242- A -  12-pin connector -T12k- , black Fitting location, front camera for driver assist systems -R242- -T12k- (A) Designation   -T12k- (A) Designation 1 Onboard supply control unit CAN bus, low   7 Onboard supply control unit CAN bus, high 2 Data bus line (FlexRay bus)   8 Data bus line (FlexRay bus) 3 Data bus line (FlexRay bus)   9 Data bus line (FlexRay bus) 4     10 5 Terminal 31   11   6 Terminal 15   12   Back to overview . AUDI A4 2017 Fitting location, fresh air blower control unit J126 Fitting location, fresh air blower control unit -J126-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed.     Fitting location Behind the glove component on front heater and air conditioner unit. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Fresh air blower control unit -J126- A -  4-pin connector -T4bc- , black Connector assignment, fresh air blower control unit -J126-     -T4bc- (A) Designation 1 Terminal 31 2   3 Terminal 30 4 LIN bus Back to overview .     AUDI A4 2017 Fitting location, control unit for NOx sender 2 J881 Fitting location, control unit for NOx sender 2 -J881- Fitting location On underbody. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 2 -  Control unit for NOx sender 2 -J881- B -  5-pin connector -T5x- , black Connector assignment, control unit for NOx sender 2 -J881-     -T5x- (B) Designation 1 Terminal 87 2 Terminal 31 3 Powertrain CAN bus, low 4 Powertrain CAN bus, high 5 Terminal 31 Back to overview .     AUDI A4 2017 Fitting location of particle sensor G784 Fitting location of particle sensor -G784- Fitting location On underbody. https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Particle sensor -G784- A -  4-pin connector -T4s- , black Connector assignment particle sensor -G784-     -T4s- (A) Designation 1 Terminal 31 2 Powertrain CAN bus, low 3 Powertrain CAN bus, high 4 Terminal 87 Back to overview . AUDI A4 2017 Control unit for heads-up display J898 Control unit for heads-up display -J898-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed. Fitting location In driver side dash panel.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Control unit for heads-up display -J898- A -  10-pin connector -T10d- , black Connector assignment for control unit for heads-up display -J898-     -T10d- (A) Designation 1 Infotainment CAN bus, high 2 Infotainment CAN bus, low 3   4   5 Terminal 30 6   7   8   9   10 Terminal 31 Back to overview . AUDI A4 2017 Display unit for front information display and operating unit control unit J685 Display unit for front information display and operating unit control unit -J685- Fitting location in centre of dash panel.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Display unit for front information display and operating unit control unit -J685- A -  9-pin connector -T9a- , black q   Only for MMI with radio A -  9-pin connector -T9b- , blau q   for MMI Navigation plus only Back to overview . AUDI A4 2017 Active steering control unit J792 Active steering control unit -J792-   Note: Illustration shows location for left-hand drive models. In right-hand drive models, installation is laterally reversed. Fitting location In driver footwell     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO すべての配線図にアクセスする車 1 -  Active steering control unit -J792- A -  30-pin connector -T30- , black Connector assignment, active steering control unit -J792- -T30- (A) Designation   -T30- (A) Designation 1 Terminal 15   16   2     17   3 Data bus line (FlexRay bus)   18 Data bus line (FlexRay bus) 4 Data bus line (FlexRay bus)   19 Data bus line (FlexRay bus) 5     20   6 Active steering motor -V477-   21 Active steering motor -V477- 7   22   8 Active steering motor -V477- 23 Active steering motor -V477- 9 Active steering motor -V477- 24 Active steering motor -V477- 10 Active steering motor -V477- 25   11   26 Active steering motor -V477- 12   27 Terminal 30 13 Terminal 31 28   14 Active steering motor -V477- 29 Shield 15 Active steering motor -V477- 30 Active steering motor -V477- Back to overview . 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