Positive connection 4 (30a) in main wiring harness
B444
Connection 1 (diagnosis), in main wiring harness
*
see applicable current flow diagram for fuse assignment
*2
Wake-up wire
Wiring Diagram AUDI A7 2014 - Multimedia system operating unit - Display unit button - Open display limit switch - Control unit in dash panel insert - Control unit 1 for information electronics - Open and close display motor
see applicable current flow diagram for fuse assignment
*2
Fibre optic cable (FOC)
*3
see applicable current flow diagram for data bus network
Wiring Diagram AUDI A7 2014 - Digital sound package control unit - Front left treble loudspeaker - Front right mid-range loudspeaker - Centre loudspeaker
Wiring Diagram AUDI A7 2014 - Digital sound package control unit - Rear left treble loudspeaker - Rear right mid-range and bass loudspeaker - Subwoofer
Connection (positive, loudspeaker)), in rear left door wiring harness
R72
Connection (negative, loudspeaker), in rear left door wiring harness
R73
Connection (positive, loudspeaker)), in rear right door wiring harness
R74
Connection (negative, loudspeaker), in rear right door wiring harness
*
According to equipment
Wiring Diagram AUDI A7 2014 - Digital sound package control unit - Front left bass loudspeaker - Front right bass loudspeaker - Right effect loudspeaker
AUDI A7 2014 Fitting location, power latching control unit J657
A -
Power latching control unit -J657-
q
with power latching motor for rear lid -V382- , power latching system limit switch, luggage compartment unlocked -F332- , power latching system limit switch, luggage compartment locked -F333-
B -
5-pin connector -T5ag- , black
Back to overview .
AUDI A7 2014 Fitting location, lane change assist control unit 2 J770
A -
Lane change assist control unit 2 -J770-
B -
12-pin connector -T12u- , black
Back to overview .
AUDI A7 2014 Fitting location, lane change assist control unit J769
A -
Lane change assist control unit -J769-
B -
12-pin connector -T12t- , black
Back to overview .
AUDI A7 2014 Fitting location, seat heating control unit J882
A -
16-pin connector -T16d- , black
B -
Seat heating control unit -J882-
Back to overview .
AUDI A7 2014 Fitting location, fuel pump control unit J538
A -
6-pin connector -T6ar- , black
B -
Fuel pump control unit -J538-
Back to overview .
AUDI A7 2014 Fitting location, Control unit for fuel tank leak detection J909
1 -
Control unit for fuel tank leak detection -J909-
q
3-pin connector -T3s- , black
Back to overview .
AUDI A7 2014 Fitting location, control unit for air ionisation system J897
1 -
Control unit for air ionisation system -J897-
A -
6-pin connector -T6bp- , black
Connector assignment, control unit for air ionisation system -J897-
-T6bp- (A)
Designation
-T6bp- (A)
Designation
1
Terminal 15, from B281 positive connection 5 (15a) in main wiring harness Fuse holder B -SB-
4
Button for air ionisation system -E677-
2
Terminal 31, to 366 earth connection 1 in main wiring harness 44 earth point on lower left of A-pillar
5
Button for air ionisation system -E677-
3
LIN bus, operating and display unit for rear air conditioning system -E265-
6
Button for air ionisation system -E677-
Back to overview .
AUDI A7 2014 Fitting location, engine sound generator control unit J943
1 -
Engine sound generator control unit -J943-
A -
8-pin connector -T8ax- , black
Connector assignment, engine sound generator control unit -J943-
-T8ax- (A)
Designation
-T8ax- (A)
Designation
1
Powertrain CAN bus, low Wiring junction for powertrain CAN bus, low -TV37-
5
Actuator 1 for engine sound generator -R257-
2
Terminal 31, to 387 earth connection 22 in main wiring harness 51 earth point on right in luggage compartment
6
Actuator 1 for engine sound generator -R257-
3
Powertrain CAN bus, high Wiring junction for powertrain CAN bus, high -TV33-
7
Actuator 2 for engine sound generator -R258-
4
Terminal 30, from fuse holder B -SB-
8
Actuator 2 for engine sound generator -R258-
Back to overview .
AUDI A7 2014 Fitting location, sunroof roller blind control unit J394
1 -
Sunroof roller blind control unit -J394-
q
with sunroof roller blind motor -V260-
A -
10-pin connector -T10ar- , black
Connector assignment, sunroof roller blind control unit -J394-
-T10ar- (A)
Designation
-T10ar- (A)
Designation
1
LIN bus B577 connection (LIN bus) in roof wiring harness B699 connection 4 (LIN bus) in main wiring harness Convenience system central control unit -J393-
6
2
7
3
8
Bridge to pin 4
4
Bridge to pin 8
9
Terminal 31, to 178 earth connection in sliding sunroof wiring harness 369 earth connection 4 in main wiring harness 44 earth point at bottom of left A-pillar
5
Button 2 for roof roller blind -E585-
10
Terminal 30, from fuse holder B -SB-
Back to overview .
AUDI A7 2014 Fitting location, battery monitor control unit J367
1 -
Battery monitor control unit -J367-
A -
2-pin connector -T2a- , black
Connector assignment, battery monitor control unit -J367-
-T2a- (A)
Designation
1
LIN bus B710 connection 5 (LIN bus) in main wiring harness Data bus diagnostic interface -J533-
2
Connection B1, main fuse carrier on battery -A- terminal 30
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-
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-
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
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
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-
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
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
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
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
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
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
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
