AUDI A4 2016 – Air conditioning system, (9AQ) . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - Fresh air blower control unit - Fresh air blower

E87	Operating and display unit for front air conditioning system
J126	Fresh air blower control unit
SC	Fuse holder C
SR1	Relay and fuse carrier 1
SB1	Fuse 1 on fuse holder B
ST4	Fuse carrier 4, black
ST5	Fuse carrier 5, red
SC6	Fuse 6 on fuse holder C
SB8	Fuse 8 on fuse holder B
T4bc	4-pin connector, black
T20d	20-pin connector, black
V2	Fresh air blower
376	Earth connection 11, in main wiring harness
385	Earth connection 20, in main wiring harness
645	Earth point 1, on bulkhead
A227	Connection 2 (LIN bus) in dash panel wiring harness
*	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - High-pressure sender - Air quality sensor - Humidity sender in fresh air intake duct - Data bus diagnostic interface

E87	Operating and display unit for front air conditioning system
G65	High-pressure sender
G238	Air quality sensor
G657	Humidity sender in fresh air intake duct
J533	Data bus diagnostic interface
T3bc	3-pin connector, black
T3be	3-pin connector, brown
T17f	17-pin connector, red
T17fx	17-pin connector, red
T20d	20-pin connector, black
T54	54-pin connector, black
TALU	Coupling point on left A-pillar, bottom
B698	Connection 3 (LIN bus) in main wiring harness

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - Sunlight penetration photosensor - Front left chest vent temperature sensor - Front right chest vent temperature sensor

E87	Operating and display unit for front air conditioning system
G107	Sunlight penetration photosensor
G385	Front left chest vent temperature sensor
G386	Front right chest vent temperature sensor
T2eh	2-pin connector, black
T2ei	2-pin connector, black
T4cs	4-pin connector, black
T4dr	4-pin connector, black
T20d	20-pin connector, black
V562	Dash panel vent control motor
335	Earth connection 5, in dash panel wiring harness

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - Left footwell vent temperature sender - Right footwell vent temperature sender - Evaporator output temperature sender - Air recirculation flap control motor - Fresh air flap control motor

E87	Operating and display unit for front air conditioning system
G261	Left footwell vent temperature sender
G262	Right footwell vent temperature sender
G263	Evaporator output temperature sender
T2kc	2-pin connector, black
T2kh	2-pin connector, black
T2kl	2-pin connector, black
T4di	4-pin connector, black
T4dj	4-pin connector, black
T16k	16-pin connector, black
V113	Air recirculation flap control motor
V438	Fresh air flap control motor
97	Earth connection 1, in air conditioning system wiring harness
112	Earth connection 2, in air conditioning system wiring harness
L6	Connection 2, in evaporator housing unit wiring harness

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - Right temperature flap control motor - Right side vent control motor - Rear air distribution flap control motor

E87	Operating and display unit for front air conditioning system
T4dk	4-pin connector, black
T4dl	4-pin connector, black
T4dm	4-pin connector, black
V159	Right temperature flap control motor
V300	Right side vent control motor
V427	Rear air distribution flap control motor
112	Earth connection 2, in air conditioning system wiring harness
L5	Connection 1, in evaporator housing unit wiring harness
L6	Connection 2, in evaporator housing unit wiring harness

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - Defroster flap control motor - Left temperature flap control motor - Left side vent control motor

E87	Operating and display unit for front air conditioning system
T4dn	4-pin connector, black
T4do	4-pin connector, black
T4dp	4-pin connector, black
V107	Defroster flap control motor
V158	Left temperature flap control motor
V299	Left side vent control motor
112	Earth connection 2, in air conditioning system wiring harness
L5	Connection 1, in evaporator housing unit wiring harness

Wiring Diagram AUDI A4 2016 - Operating and display unit for front air conditioning system - Operating and display unit for rear air conditioning system - Rear chest vent temperature sensor - Rear temperature flap control motor

E87	Operating and display unit for front air conditioning system
E265	Operating and display unit for rear air conditioning system
G309	Rear left footwell temperature sensor
G537	Rear chest vent temperature sensor
ST1	Fuse carrier 1, black
SR2	Relay and fuse carrier 2
SF8	Fuse 8 in fuse holder F
T2gh	2-pin connector, black
T2gi	2-pin connector, black
T3z	3-pin connector, black
T4dq	4-pin connector, black
T8n	8-pin connector, black
T16k	16-pin connector, black
V137	Rear temperature flap control motor
112	Earth connection 2, in air conditioning system wiring harness
381	Earth connection 16, in main wiring harness
382	Earth connection 17, in main wiring harness
B282	Positive connection 6 (15a) in main wiring harness
B646	Connection 3 (seat heating), in main wiring harness
L5	Connection 1, in evaporator housing unit wiring harness
*	see applicable current flow diagram for fuse assignment

Wiring Diagram AUDI A4 2016 - Onboard supply control unit - Dash panel left vent illumination bulb - Light for left air vent illumination - Light for right air vent illumination

J519	Onboard supply control unit
L67	Dash panel left vent illumination bulb
L69	Dash panel right vent illumination bulb
L216	Rear vent illumination bulb
L273	Light for left air vent illumination
L274	Light for right air vent illumination
T2fb	2-pin connector, black
T2fc	2-pin connector, black
T2fh	2-pin connector, black
T2fi	2-pin connector, black
T2fk	2-pin connector, black
T10b	10-pin connector, black
T10bx	10-pin connector, black
T54c	54-pin connector, black
T73a	73-pin connector, black
TCPL	Coupling point on dash panel, left
135	Earth connection 2, in dash panel wiring harness
332	Earth connection 4, in dash panel wiring harness
379	Earth connection 14, in main wiring harness
380	Earth connection 15, in main wiring harness
A175	Connection (58s), in dash panel wiring harness
A224	Positive connection 2 (58), in dash panel wiring harness
B731	Connection 1 (58s), in main wiring harness

Wiring Diagram AUDI A4 2016 - Onboard supply control unit - Air conditioning system magnetic clutch - Air conditioner compressor regulating valve

J519	Onboard supply control unit
N25	Air conditioning system magnetic clutch
N280	Air conditioner compressor regulating valve
T2lm	2-pin connector, black
T3x	3-pin connector, black
T73a	73-pin connector, black
*	According to equipment

AUDI A4 2016 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 2016 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 2016 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 2016 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 2016

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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 . AUDI A4 2016 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 2016 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 2016

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 2016

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 2016 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 Overview of relay carriers Overview of relay carriers https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 Fitting location, relay and fuse carrier 3 SR3 Fitting location, relay and fuse carrier 3 -SR3- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Získejte přístup ke všem schématům zapojení automobilu 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 2016 Fitting location, relay and fuse carrier 1 -SR1- , left-hand drive models https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Získejte přístup ke všem schématům zapojení automobilu 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 2016 Fitting location, relay and fuse carrier 1 -SR1- , right-hand drive models https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 Získejte přístup ke všem schématům zapojení automobilu 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 2016 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 2016

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