AUDI A7 2014 – Preparation for multimedia system . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A7 2014 - Fuse carrier 4

SF3	Fuse 3 in fuse holder F
ST4	Fuse carrier 4
SF6	Fuse 6 in fuse holder F
T4ad	4-pin connector, in front passenger seat
T4el	4-pin connector, in driver seat
T4em	4-pin connector, in front passenger seat
T4w	4-pin connector, in driver seat
372	Earth connection 7, in main wiring harness
B470	Connection 6, in main wiring harness
*	see applicable current flow diagram for fuse assignment
*2	From June 2014
*3	From June 2015

Wiring Diagram AUDI A7 2014 - Display unit for front information display and operating unit control unit - Control unit 1 for information electronics

J685	Display unit for front information display and operating unit control unit
J794	Control unit 1 for information electronics
ST2	Fuse carrier 2
SF10	Fuse 10 in fuse holder F
T4gl	4-pin connector, in driver seat
T4gm	4-pin connector, in front passenger seat
T8ag	8-pin connector
T8p	8-pin connector, behind centre console, front left
T12d	12-pin connector
B325	Positive connection 11 (30a) in main wiring harness
E145	Connection 1 (CAN bus, control unit 1 for information electronics, high)
E147	Connection 1 (CAN bus, control unit 1 for information electronics, low)
*	see applicable current flow diagram for fuse assignment
*2	From June 2015

AUDI A7 2014

AUDI A7 2014 Overview of earth points

Overview of earth points

685	Earth point 1, at front of right longitudinal member

q	Fitting location

13	Earth point, on right in engine compartment

q	Fitting location

43	Earth point, lower part of right A-pillar

q	Fitting location

45	Earth point, behind centre of dash panel

q	Fitting location

687	Earth point 1, on centre tunnel

q	Fitting location

35	Earth point, under front passenger seat

q	Fitting location

688	Earth point 2, on centre tunnel

q	Fitting location

53	Earth point on right in rear lid

q	Fitting location

654	Earth point, on right D-pillar

q	Fitting location

51	Earth point, on right in luggage compartment

q	Fitting location

744	Earth point, in spare wheel well

q	Fitting location

52	Earth point, on left in rear lid

q	Fitting location

50	Earth point, on left in luggage compartment

q	Fitting location

653	Earth point, on left D-pillar

q	Fitting location

34	Earth point, under driver seat

q	Fitting location

704	Earth point 2, under driver seat

q	Fitting location

44	Earth point, on lower part of left A-pillar

q	Fitting location

645	Earth point 1, on bulkhead

q	Fitting location

55	Earth point, next to ABS control unit

q	Fitting location

664	Earth point, on left behind dash panel

q	Fitting location, right-hand drive

665	Earth point, on right behind dash panel

q	Fitting location, left-hand drive

685 Earth point 1, on front right longitudinal member -Arrow- Fitting location On front right outer longitudinal member Tightening torque 20 Nm

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13 Earth point, on right in engine compartment -Arrow- Fitting location In right of engine compartment, near alternator Tightening torque 9 Nm

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43 Earth point, on lower part of right A-pillar -Arrow- Fitting location On lower part of right A-pillar Tightening torque 9 Nm

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687 Earth point 1, on centre tunnel -Arrow- Fitting location On front right of centre tunnel Tightening torque 9 Nm

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35 Earth point, under front passenger seat -Arrow- Fitting location Under front passenger seat, near front passenger seat coupling Tightening torque 9 Nm

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688 Earth point 2, on centre tunnel -Arrow- Fitting location Under rear seat, near data bus diagnostic interface -J533- Tightening torque 9 Nm

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53 Earth point, on right in rear lid -Arrow- Fitting location Behind right rear lid trim Tightening torque 2 Nm

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654 Earth point, on right D-pillar -Arrow- Fitting location Behind rear right backrest Tightening torque 9 Nm

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51 Earth point, on right in luggage compartment -Arrow- Fitting location On right in luggage compartment, near relay and fuse carrier Tightening torque 9 Nm

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744 Earth point, in spare wheel well -Arrow- Fitting location In front right of spare wheel well Tightening torque 9 Nm

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52 Earth point, on left in rear lid -Arrow- Fitting location Behind left rear lid trim Tightening torque 2 Nm

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624 Earth point, next to starter battery -Arrow- Fitting location In front right of spare wheel well Tightening torque 9 Nm

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50 Earth point, on left in luggage compartment -Arrow- Fitting location On left in luggage compartment, near infotainment rack Tightening torque 9 Nm

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653 Earth point, on left D-pillar -Arrow- Fitting location Behind rear left backrest Tightening torque 9 Nm

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34 Earth point, under driver seat -Arrow- Fitting location Under driver seat, near driver seat coupling Tightening torque 9 Nm

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44 Earth point, on lower part of left A-pillar -Arrow- Fitting location On lower part of left A-pillar Tightening torque 9 Nm

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704 Earth point 2, under driver seat -Arrow- Fitting location Under driver seat at front Tightening torque 9 Nm

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671 Earth point 1, on front left longitudinal member -Arrow- Fitting location At bottom on front left longitudinal member Tightening torque 9 Nm

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645 Earth point 1, on bulkhead -Arrow- Fitting location On bulkhead, near engine control unit -J623- Tightening torque 9 Nm

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55 Earth point, next to ABS control unit -Arrow- Fitting location On left longitudinal member, near ABS control unit -J104- Tightening torque 9 Nm

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665 Earth point, on right behind dash panel -Arrow- Fitting location Behind glove compartment, near front passenger airbag Tightening torque 9 Nm

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664 Earth point, on left behind dash panel -Arrow- Fitting location Behind glove compartment, near front passenger airbag Tightening torque 9 Nm

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45 Earth point, at centre behind dash panel -Arrow- Fitting location Behind dash panel, bottom centre Tightening torque 9 Nm

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AUDI A7 2014

Fresh air blower control unit -J126-

AUDI A7 2014 Fitting location, image processing control unit J851

Fitting location, image processing control unit -J851-

Fitting location, left-hand drive

Under front passenger seat.

   

A -	Image processing control unit -J851-

C -	5-pin connector -T5i- , black, camera control unit -J852-

Back to overview . Fitting location, right-hand drive Under front passenger seat.

A -	Image processing control unit -J851-

B -	12-pin connector -T12i- , black

C -	5-pin connector -T5i- , black, camera control unit -J852-

Back to overview . AUDI A7 2014 Fitting location, airbag control unit J234 Fitting location, airbag control unit -J234- Fitting location Under rear centre console.

A -	Airbag control unit -J234-

B -	100-pin connector -T100- , yellow

Back to overview . AUDI A7 2014 Fitting location, control unit for sensor electronics J849 Fitting location, control unit for sensor electronics -J849- Fitting location Under rear centre console.

A -	Control unit for sensor electronics -J849-

B -	50-pin connector -T50- , ivory

Back to overview . AUDI A7 2014 Fitting location, control unit for night vision system J853 Fitting location, control unit for night vision system -J853- Fitting location Under driver seat, left-hand drive. Under front passenger seat, right-hand drive.

A -	Control unit for night vision system -J853-

C -	12-pin connector -T12b- , black

Back to overview . AUDI A7 2014 Fitting location, active steering control unit J792 Fitting location, active steering control unit -J792- Fitting location, left-hand drive Under driver seat.

A -	Active steering control unit -J792-

C -	8-pin connector -T8m- , black

D -	5-pin connector -T5k- , black, Active steering motor -V477-

Back to overview . Fitting location, right-hand drive Under driver seat.

A -	Active steering control unit -J792-

B -	10-pin connector -T10c- , black

C -	8-pin connector -T8m- , black

D -	5-pin connector -T5k- , black, Active steering motor -V477-

Back to overview . AUDI A7 2014 Fitting location, 16-pin connector -T16- , diagnostic connector Fitting location, left-hand drive In left stowage compartment on driver side.

A -	16-pin connector -T16- , black

Back to overview . Fitting location, right-hand drive In right stowage compartment on driver side.

A -	16-pin connector -T16- , black

Back to overview . AUDI A7 2014 Fitting location, headlight range control unit J431 Fitting location, headlight range control unit -J431- Control unit for cornering light and headlight range control -J745- , for models with cornering light Fitting location, left-hand drive Behind left stowage compartment on driver side.

A -	Headlight range control unit -J431-

A -	Control unit for cornering light and headlight range control -J745-

q	models with cornering light

B -	26-pin connector -T26a- , black

Back to overview . Fitting location, right-hand drive Behind right stowage compartment on driver side.

A -	Headlight range control unit -J431-

A -	Control unit for cornering light and headlight range control -J745-

q	models with cornering light

B -	26-pin connector -T26a- , black

Back to overview . AUDI A7 2014 Fitting location, onboard supply control unit J519 Fitting location, onboard supply control unit -J519- Fitting location, left-hand drive Behind left stowage compartment on driver side.

B -	32-pin connector -T32a- , black

D -	17-pin connector -T17d- , black

F -	17-pin connector -T17e- , red

G -	6-pin connector -T6d- , grey

H -	Onboard supply control unit -J519-

Back to overview . Fitting location, right-hand drive Behind right stowage compartment on driver side.

A -	32-pin connector -T32c- , grey

B -	32-pin connector -T32a- , black

C -	16-pin connector -T16c- , brown

D -	17-pin connector -T17d- , black

E -	17-pin connector -T17c- , brown

F -	17-pin connector -T17e- , red

G -	6-pin connector -T6d- , grey

H -	Onboard supply control unit -J519-

Back to overview . AUDI A7 2014 Fitting location, engine control unit J623 Fitting location, engine control unit -J623- Fitting location, left-hand drive On left in plenum chamber.

A -	Engine control unit -J623-

C -	94-pin connector -T94- , black

Back to overview . Fitting location, right-hand drive On right in plenum chamber.

A -	Engine control unit -J623-

B -	60-pin connector -T60- , black

C -	94-pin connector -T94- , black

Back to overview . Engine control unit -J623- , 196-pin On left in plenum chamber, left-hand drive. On right in plenum chamber, right-hand drive.

1 -	Engine control unit -J623-

B -	91-pin connector -T91- , black

Back to overview . Engine control unit -J623- , 315-pin On left in plenum chamber, left-hand drive. On right in plenum chamber, right-hand drive.

1 -	Engine control unit -J623-

C -	56-pin connector -T56b- , black

q	Contact carrier colour: white

E -	56-pin connector -T56d- , black

q	Contact carrier colour: violet

Back to overview . AUDI A7 2014 Fitting location, garage door operation control unit J530 Fitting location, garage door operation control unit -J530- Fitting location In the front bumper cover, centre.

A -	Garage door operation control unit -J530-

B -	4-pin connector -T4r- , black

Back to overview . AUDI A7 2014 Fitting location, control unit for heads-up display J898 Fitting location, control unit for heads-up display -J898- Fitting location At front of dash panel.

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

B -	10-pin connector -T10g- , black

Back to overview . AUDI A7 2014 Fitting location, ABS control unit J104 Fitting location, ABS control unit -J104- Fitting location In left of engine compartment. ABS control unit -J104- , 47-pin

A -	ABS control unit -J104-

B -	47-pin connector -T47- , black

ABS control unit -J104- , 38-pin

1 -	ABS control unit -J104-

A -	38-pin connector -T38a- , black

Back to overview . AUDI A7 2014 Fitting location, adaptive cruise control unit J428 Fitting location, adaptive cruise control unit -J428- Fitting location Under front right headlight.

A -	Adaptive cruise control unit -J428-

B -	8-pin connector -T8k- , black

Back to overview . AUDI A7 2014 Fitting location, control unit 2 for adaptive cruise control J850 Fitting location, control unit 2 for adaptive cruise control -J850- Fitting location At front under left headlight.

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

B -	8-pin connector -T8l- , black

Back to overview . AUDI A7 2014 Fitting location, sliding sunroof adjustment control unit J245 Fitting location, sliding sunroof adjustment control unit -J245- Fitting location Behind front interior light -W1-

A -	10-pin connector -T10b- , black

B -	Sliding sunroof adjustment control unit -J245-

q	with sliding sunroof motor -V1-

Back to overview . AUDI A7 2014 Fitting location, roof electronics control unit J528 Fitting location, roof electronics control unit -J528- Fitting location In front interior light -W1-

B -	10-pin connector -T10ab- , red

D -	4-pin connector -T4v- , black, anti-theft alarm sensor -G578-

F -	10-pin connector -T10ac- , black, rear left reading light button -E454- , rear right reading light button -E455-

G -	Roof electronics control unit -J528-

q	with front interior light -W1- , front left reading light button -E633- , front right reading light button -E634- , front button for rear reading light -E635- , front left reading light -W65- , front right reading light -W66- , front interior light button -E326-

Back to overview . AUDI A7 2014 Fitting location, control unit for front left belt tensioner -J854- /control unit for front right belt tensioner -J855- Fitting location In lower part of B-pillars.

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

q	with driver seat belt tensioner igniter 1 -N153- , front passenger seat belt tensioner igniter 1 -N154- , driver side belt force limiter -G551- , front passenger side belt force limiter -G552-

B -	5-pin connector -T5h- , right, black, airbag control unit -J234-

C -	4-pin connector -T4ac- , right, black

Back to overview . AUDI A7 2014 Fitting location, steering column electronics control unit J527 Fitting location, steering column electronics control unit -J527- Fitting location On steering column, at steering column switch. Front

B -	2-pin connector -T2fk- , black, airbag coil connector and return ring with slip ring -F138- , heated steering wheel -Z36-

D -	13-pin connector -T13b- , black, turn signal switch -E2- , headlight flasher switch -E5- , cruise control system switch -E45-

E -	Steering column electronics control unit -J527-

q	with turn signal switch -E2- , headlight flasher switch -E5- , intermittent wiper switch -E22- , cruise control system switch -E45- , coil connector -F350- , steering angle sender -G85- , lane departure warning button -E517- , airbag coil connector and return ring with slip ring -F138-

Back

A -	Steering column electronics control unit -J527-

F -	16-pin connector -T16e- , black

E -	not assigned

Back to overview . AUDI A7 2014 Fitting location, power steering control unit J500 Fitting location, power steering control unit -J500- Fitting location On steering box.

A -	Power steering control unit -J500-

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

C -	6-pin connector -T6ak- , black

D -	Sensor connection

Back to overview . AUDI A7 2014 Fitting location, auxiliary heater control unit J364 Fitting location, auxiliary heater control unit -J364- Fitting location At front of right longitudinal member.

A -	Auxiliary heater control unit -J364-

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

C -	6-pin connector -T6k- , black

Connector assignment, auxiliary heater control unit -J364-

-T6k- (C)	Designation
1	Dash panel insert CAN bus high B708 connection 1 (dash panel insert CAN bus high) in main wiring harness Data bus diagnostic interface -J533-
2	Dash panel insert CAN bus low B709 connection 1 (dash panel insert CAN bus low) in main wiring harness Data bus diagnostic interface -J533-
3	Heater coolant shut-off valve -N279-
4	Metering pump -V54-
5	Terminal 31, to 380 earth connection 15 in main wiring harness 43 earth point at bottom of right A-pillar
6	Remote control receiver for auxiliary heater -R64-

-T2az- (B)	Designation
1	Terminal 30, from fuse holder F -SF-
2	Terminal 31, to 379 earth connection 14 in main wiring harness 43 earth point at bottom of right A-pillar

Back to overview . AUDI A7 2014 Fitting location, Climatronic control unit J255 Fitting location, Climatronic control unit -J255- Fitting location At bottom centre of dash panel.

C -	16-pin connector -T16f- , brown

D -	16-pin connector -T16p- , black

Back to overview . AUDI A7 2014 Fitting location, control unit for electrically adjustable steering column J866 Fitting location, control unit for electrically adjustable steering column -J866- Fitting location On steering column.

A -	18-pin connector -T18d- , black

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

Back to overview . AUDI A7 2014 Fitting location, control unit in dash panel insert J285 Fitting location, control unit in dash panel insert -J285- Fitting location In driver side dash panel.

B -	2-pin connector -T2bm- , MOST bus, black

C -	Control unit in dash panel insert -J285-

q

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

Back to overview . AUDI A7 2014 Fitting location, radiator fan control unit -J293- /radiator fan control unit 2 -J671- Fitting location At front of radiator.

1 -	Radiator fan control unit -J293-

q	Radiator fan -V7-

2 -	Radiator fan control unit 2 -J671-

q	Radiator fan 2 -V177-

4 -	4-pin connector -T4bf- , black

Back to overview . AUDI A7 2014 Fitting location of control units on interior mirror Fitting location of control units on interior mirror Fitting location At front of roof side member.

1 -	Camera control unit -J852-

q	Fitting location and connectors

2 -	Automatic anti-dazzle interior mirror -Y7-

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

3 -	Humidity sender -G355-

4 -	Main beam assist control unit -J844-

Back to overview .

Fitting location, camera control unit -J852-

A -	Camera control unit -J852-

C -	12-pin connector -T12a- , black

Back to overview . AUDI A7 2014 Fitting location, left gas discharge bulb control unit -J343- /right gas discharge bulb control unit -J344- Fitting location At headlight.   Note: Figure shows right headlight.

14-pin connector -T14c- /14-pin connector -T14d- , black

2 -	Control unit for left daytime running light and side light -J860- /control unit for right daytime running light and side light -J861-

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

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

in headlight: -L176- , -M5- , -M51- , -V48- , -L13- , -G474- , -V318- , -G325- , -V294- , -L177- , -M7- , -M52- , -V49- , -L14- , -G475- , -V319- , -G327- , -V295- Back to overview . AUDI A7 2014 Fitting location, output module 1 for left LED headlight -A31- /output module 1 for right LED headlight -A27- Fitting location At headlight.   Note: Figure shows right headlight.

1 -	14-pin connector -T14c- /14-pin connector -T14d- , black

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

3 -	Output module 2 for left LED headlight -A32- /output module 2 for right LED headlight -A28-

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

in headlight: -V407- , -V48- , -V463- , -V294- , -G702- , -M29- , -L207- , -G703- , -M30- , -M51- , -M5- , -L176- , -V408- , -V464- , -V295- , -V49- , -G704- , -G705- , -L177- , -L208- , -M7- , -M31- , -M32- , -M52- Back to overview . AUDI A7 2014 Fitting location, control unit for electronic steering column lock J764 Fitting location, control unit for electronic steering column lock -J764- Fitting location On steering column.

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

B -	6-pin connector -T6- , black

Back to overview . AUDI A7 2014 Fitting location, fresh air blower control unit J126 Fitting location, fresh air blower control unit -J126- Fitting location Behind glove compartment -1- .

1 -	Fresh air blower control unit -J126-

q	with fresh air blower -V2-

A -	4-pin connector -T4cb- , black

Connector assignment, fresh air blower control unit -J126-

-T4cb- (A)	Designation
1	Terminal 31, to 81 earth connection 1 in dash panel wiring harness 45 earth point behind centre of dash panel
2
3	Terminal 30, from fuse holder C -SC-
4	Climatronic control unit -J255-

Back to overview . AUDI A7 2014 Fitting location Active steering motor -V477- /Active steering safety lock actuator -F437- Fitting location On steering column -1- and -2- .

1 -	Active steering motor -V477-

2 -	Active steering safety lock actuator -F437-

B -	4-pin connector -T4ag- , black

C -	2-pin connector -T2bk- , black

Connector assignment Active steering motor -V477- /Active steering safety lock actuator -F437-

-T6m- (A)	Designation		-T6m- (A)	Designation
1	Active steering control unit -J792-		4	Active steering control unit -J792-
2	Active steering control unit -J792-		5	Active steering control unit -J792-
3	Active steering control unit -J792-		6	Active steering control unit -J792-

-T4ag- (B)	Designation		-T2bk- (C)	Designation
1	Active steering control unit -J792-		1	Active steering control unit -J792-
2	Active steering control unit -J792-		2	Active steering control unit -J792-
3	Active steering control unit -J792-
4	Terminal 31, shield earth

Back to overview . AUDI A7 2014 Fitting location, control unit for wiper motor J400 Fitting location, control unit for wiper motor -J400- Fitting location On left in plenum chamber, left-hand drive -1- . On right in plenum chamber, right-hand drive.

1 -	Wiper motor control unit -J400-

q	with windscreen wiper motor -V-

A -	4-pin connector -T4t- , black

q	Left and right-hand models have different assignments

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

-T4t- (A)	Designation
1 (LHD)	Terminal 30, from fuse holder B -SB-
1 (RHD)	LIN bus B698 connection 3 (LIN bus) in main wiring harness Onboard supply control unit -J519-
2 (LHD)	Terminal 31, to 369 earth connection 4 in main wiring harness 44 earth point on lower left of A-pillar
2 (RHD)
3 (LHD)
3 (RHD)	Terminal 31, to 369 earth connection 4 in main wiring harness 44 earth point on lower left of A-pillar
4 (LHD)	LIN bus B698 connection 3 (LIN bus) in main wiring harness Onboard supply control unit -J519-
4 (RHD)	Terminal 30, from fuse holder B -SB-

Back to overview . AUDI A7 2014 Fitting location, control unit for structure-borne sound J869 Fitting location, control unit for structure-borne sound -J869- Fitting location On right in plenum chamber -1- .

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

A -	6-pin connector -T6bw- , black

Connector assignment, control unit for structure-borne sound -J869-

-T6bw- (A)	Designation
1	Actuator for structure-borne sound -R214-
2	Actuator for structure-borne sound -R214-
3	Terminal 15, from B279 positive connection 3 (15a) in main wiring harness Fuse holder B -SB-
4	Terminal 31, to 366 earth connection 1 in main wiring harness 44 earth point on lower left of A-pillar
5	Powertrain CAN bus, low B390 connection 1 (powertrain CAN bus, low) in main wiring harness
6	Powertrain CAN bus, high B383 connection 1 (powertrain CAN bus, high) in main wiring harness

Back to overview . AUDI A7 2014 Fitting location, power unit mounting control unit J931 Fitting location, power unit mounting control unit -J931- Fitting location Behind front right wheel housing liner.

A -	Power unit mounting control unit -J931-

B -	28-pin connector -T28- , black

Connector assignment, power unit mounting control unit -J931-

-T28- (B)	Designation		-T28- (B)	Designation		-T28- (B)	Designation		-T28- (B)	Designation
53	Terminal 30, from B321 positive connection 7 (30a) in main wiring harness Fuse holder F -SF-		60			67	Terminal 30, from B321 positive connection 7 (30a) in main wiring harness Fuse holder F -SF-		74	Power unit mounting actuator 1 -N513-
54	Terminal 15, from B281 positive connection 5 (15a) in main wiring harness Fuse holder B -SB-		61			68	Power unit mounting actuator 1 -N513-		75	Power unit mounting actuator 2 -N514-
55			62			69	Power unit mounting actuator 2 -N514-		76
56	CAN bus extended low B109 connection 1 (CAN bus extended low) in main wiring harness		63	Earth Power unit mounting sender 1 -G748-		70	5 V output, to D129 connection 27 in engine compartment wiring harness Power unit mounting sender 2 -G749- Power unit mounting sender 1 -G748-		77
57	CAN bus extended high B108 connection 1 (CAN bus extended high) in main wiring harness		64			71	Earth Power unit mounting sender 2 -G749-		78	Signal Power unit mounting sender 1 -G748-
58			65			72			79	Signal Power unit mounting sender 2 -G749-
59	Speed signal from D130 connection 28 in engine compartment wiring harness Engine control unit -J623- to digital sound package control unit -J525-		66	Terminal 31, to 398 earth connection 33 in main wiring harness 379 earth connection 14 in main wiring harness 43 earth point at bottom of right A-pillar		73			80	Terminal 31, to 398 earth connection 33 in main wiring harness 379 earth connection 14 in main wiring harness 43 earth point at bottom of right A-pillar

Back to overview . AUDI A7 2014 Fitting location, catalytic converter heater control unit 1 J1021 Fitting location, catalytic converter heater control unit 1 -J1021- Fitting location At centre in plenum chamber -1- .

1 -	Catalytic converter heater control unit 1 -J1021-

B -	4-pin connector -T4gk- , black

C -	2-pin connector -T2qb- , brown

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

-T4gk- (B)	Designation		-T4gk- (B)	Designation
1	Powertrain CAN bus, high E123 connection 1 (powertrain CAN bus, high) in engine wiring harness		3	Powertrain CAN bus, low E123 connection 1 (powertrain CAN bus, low) in engine wiring harness
2	Terminal 31, to 714 earth point on right on engine		4	Terminal 87, from D181 connection 2 (87a) in engine compartment wiring harness

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

Back to overview . AUDI A7 2014 Fitting location, control unit 1 for information electronics -J794- , MMI Navigation plus, 7UG, from model year 2015 Fitting location At centre of dash panel -1- .

1 -	Control unit 1 for information electronics -J794-

B -	2-pin connector -T2nf- , aerial connection, DAB, black, aerial amplifier 3 -R112- , digital radio aerial -R183-

B -	2-pin connector -T2nf- , aerial connection, SAT, brown,satellite aerial -R170- , USA only

C -	Quad connector

E -	12-pin connector -T12d- , grey

G -	12-pin connector -T12g- , blue

J -	2-pin connector -T2aw- , MOST bus, black

L -	5-pin connector -T5bq- , brown, USB connection holder -R193-

N -	2-pin connector -T2au- , aerial connection, GPS, blue, roof aerial -R216- , GPS aerial -R50-

O -	2-pin connector -T2at- , aerial connection, LTE, Bordeaux, LTE aerial 2 -R306-

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

-T8f- (D)	Designation		-T8e- (H)	Designation
9	Subwoofer -R211-		1	Rear right treble loudspeaker -R16- Rear right mid-range and bass loudspeaker -R160-
10	Centre loudspeaker -R208-		2	Front right treble loudspeaker -R22- Front right mid-range and bass loudspeaker -R102-
11			3	Front left treble loudspeaker -R20- Front left mid-range and bass loudspeaker -R101-
12			4	Rear left treble loudspeaker -R14- Rear left mid-range and bass loudspeaker -R159-
13	Subwoofer -R211-		5	Rear right treble loudspeaker -R16- Rear right mid-range and bass loudspeaker -R160-
14	Centre loudspeaker -R208-		6	Front right treble loudspeaker -R22- Front right mid-range and bass loudspeaker -R102-
17	Terminal 31, to 372 earth connection 7 in main wiring harness 687 earth point 1 on centre tunnel		7	Front left treble loudspeaker -R20- Front left mid-range and bass loudspeaker -R101-
18	Terminal 30, from fuse holder F -SF-		8	Rear left treble loudspeaker -R14- Rear left mid-range and bass loudspeaker -R159-

-T12d- (E)	Designation		-T12f- (F)	Designation
1	Display unit for front information display and operating unit control unit -J685-		1	Connection for external audio sources -R199-
2	Multimedia system operating unit -E380-		2	Connection for external audio sources -R199-
3	Ring break diagnostic cable B444 connection 1 (diagnosis) in main wiring harness		3	Connection for external audio sources -R199-
4	Multimedia system operating unit -E380-		4
5	Telephone bracket -R126- B478 connection 14 in main wiring harness		5
6	Dash panel insert CAN bus high B708 connection 1 (dash panel insert CAN bus high) in main wiring harness		6
7	Display unit for front information display and operating unit control unit -J685-		7	Connection for external audio sources -R199-
8	Multimedia system operating unit -E380-		8	Screen earth
9	Multimedia system operating unit -E380-		9
10	Multimedia system operating unit -E380-		10
11	Telephone bracket -R126-		11
12	Dash panel insert CAN bus low B709 connection 1 (dash panel insert CAN bus low) in main wiring harness		12

-T12g- (G)	Designation		-T12g- (G)	Designation
1	Left front microphone -R140-		7	Left front microphone -R140-
2	Front right microphone -R141-		8	Front right microphone -R141-
3			9
4			10
5			11
6	Reversing camera system control unit -J772-		12	Reversing camera system control unit -J772-

Back to overview . AUDI A7 2014 Fitting location, seat and steering column adjustment control unit with memory J136 Fitting location, seat and steering column adjustment control unit with memory -J136- Fitting location In bottom of seat -1- .

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

B -	32-pin connector -T32m- , grey

C -	16-pin connector -T16q- , black

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

-T12x- (A)	Designation		-T12x- (A)	Designation
1	Driver seat backrest adjustment motor -V45-		7	Driver seat rake adjustment motor -V243-
2	Driver seat depth adjustment motor -V256-		8	Driver seat height adjustment motor -V245-
3	Driver seat height adjustment motor -V245-		9	Driver seat longitudinal adjustment motor -V28-
4	Driver seat depth adjustment motor -V256-		10	Driver seat rake adjustment motor -V243-
5	Driver seat longitudinal adjustment motor -V28-		11	Terminal 30, from driver seat adjustment thermal fuse 1 -S44-
6	Driver seat backrest adjustment motor -V45-		12	Terminal 31, to 95 earth connection 1 in wiring harness 371 earth connection 6 in main wiring harness 34 earth point under driver seat

-T32m- - (B)	Designation		-T32m- (B)	Designation
1			17
2			18
3	Driver door control unit -J386-		19
4			20
5	Driver seat massage function button -E670-		21
6	Seat longitudinal adjustment button -E418- Switch module 2 for driver seat -E667-		22	Driver seat backrest adjustment switch -E96- Switch module for driver seat -E663-
7	Seat height adjustment button -E424- Switch module 2 for driver seat -E667-		23	Driver seat height adjustment switch -E364- Switch module for driver seat -E663-
8			24	Driver seat rake adjustment switch -E222- Switch module for driver seat -E663-
9			25	Driver seat longitudinal adjustment switch -E363- Switch module for driver seat -E663-
10	413 Earth connection 4 in seat adjustment wiring harness Switch module 2 for driver seat -E667- Driver seat massage function button -E670- Switch module for driver seat -E663-		26
11			27
12			28	Backrest adjustment button -E425- Switch module 2 for driver seat -E667-
13			29
14			30
15	Convenience CAN bus, low M28 connection (convenience CAN bus, low) in driver seat adjustment wiring harness		31
16	Convenience CAN bus, high M27 connection (convenience CAN bus, high) in driver seat adjustment wiring harness		32

-T16q- (C)	Designation		-T16q- (C)	Designation
1	Driver seat cushion lateral support heater -Z31-		9	M43 connection 3 in driver seat wiring harness Driver seat backrest fan -V388- Driver seat backrest fan 2 -V417-
2	Heated driver seat -Z6-		10	M44 connection 4 in driver seat wiring harness Driver seat backrest fan -V388- Driver seat backrest fan 2 -V417-
3	M42 connection 2 in driver seat wiring harness Driver seat cushion fan -V390- Driver seat cushion fan 2 -V419-		11
4			12	136 earth connection 2 in seat heating wiring harness
5			13
6			14	Front left seat temperature sender -G344-
7	Front left seat temperature sender -G344-		15
8	M41 connection 1 in driver seat wiring harness Driver seat cushion fan -V390- Driver seat cushion fan 2 -V419-		26

Back to overview . AUDI A7 2014 Fitting location, seat occupied recognition control unit J706 Fitting location, seat occupied recognition control unit -J706- Fitting location In bottom of seat -1- .

1 -	Seat occupied recognition control unit -J706-

A -	3-pin connector -T3- , black

B -	Connection, seat occupied recognition control unit -G452-

Connector assignment, seat occupied recognition control unit -J706-

-T3- (A)	Designation
1	Terminal 30, from B282 positive connection 6 (15a) in main wiring harness Fuse holder B
2	Airbag control unit -J234-
3	Terminal 31, to 312 earth connection 2 in airbag wiring harness 475 earth connection (airbag) in main wiring harness Airbag control unit -J234-

Back to overview . AUDI A7 2014 Fitting location, Tyre Pressure Monitoring System control unit J502 Fitting location, Tyre Pressure Monitoring System control unit -J502- Fitting location At front right under floor -1- . For RS models only.

1 -	Tyre Pressure Monitoring System control unit -J502-

A -	12-pin connector -T12ao- , black

Connector assignment, Tyre Pressure Monitoring System control unit -J502-

-T12ao- (A)	Designation		-T12ao- (A)	Designation
1			7	Dash panel insert CAN bus, high Wiring junction for dash panel insert CAN bus, high -TV36-
2			8	Dash panel insert CAN bus, low Wiring junction for dash panel insert CAN bus, low -TV40-
3	B605 connection 1 in interior wiring harness to Tyre Pressure Monitoring System aerials		9	Front left Tyre Pressure Monitoring System aerial -R59-
4	Front right Tyre Pressure Monitoring System aerial -R60-		10	Rear left Tyre Pressure Monitoring System aerial -R61-
5	Rear right Tyre Pressure Monitoring System aerial -R62-		11	B606 connection 2 in interior wiring harness to Tyre Pressure Monitoring System aerials
6	Terminal 30, from fuse holder F -SF-		12	Terminal 31, to 380 earth connection 15 in main wiring harness 43 earth point at bottom of right A-pillar

Back to overview .