Wiring Diagram AUDI A8 2013 - Steering column electronics control unit
J527 | Steering column electronics control unit |
ST1 | Fuse carrier 1 |
ST2 | Fuse carrier 2 |
SF5 | Fuse 5 in fuse holder F |
SC8 | Fuse 8 on fuse holder C |
T16d | 16-pin connector |
375 | Earth connection 10, in main wiring harness |
376 | Earth connection 11, in main wiring harness |
* | see applicable current flow diagram for fuse assignment |
*2 | see applicable current flow diagram for multifunction steering wheel |
*3 | Only models with heated steering wheel |
*4 | Data bus wire (CAN bus) |
Wiring Diagram AUDI A8 2013 - Steering column adjustment switch - Onboard supply control unit - Steering column electronics control unit - Control unit for electrically adjustable steering column
E167 | Steering column adjustment switch |
E522 | Steering wheel heater button |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
J866 | Control unit for electrically adjustable steering column |
ST2 | Fuse carrier 2 |
SC14 | Fuse 14 on fuse holder C |
T3i | 3-pin connector, behind steering column trim |
T4ao | 4-pin connector, behind steering column trim |
T4ap | 4-pin connector |
T4ar | 4-pin connector |
T6n | 6-pin connector, behind steering column trim |
T16c | 16-pin connector |
T18a | 18-pin connector |
* | see applicable current flow diagram for fuse assignment |
*2 | From June 2011 |
Wiring Diagram AUDI A8 2013 - Steering column vertical adjustment sender - Steering column axial adjustment sender - Control unit for electrically adjustable steering column - Steering column vertical adjustment motor - Steering column axial adjustment motor
G357 | Steering column vertical adjustment sender |
G358 | Steering column axial adjustment sender |
J866 | Control unit for electrically adjustable steering column |
T4as | 4-pin connector |
T4at | 4-pin connector |
T18a | 18-pin connector |
V123 | Steering column vertical adjustment motor |
V124 | Steering column axial adjustment motor |
B730 | Connection, in wiring harness for steering column adjustment |
AUDI A8 2013 Overview of control units
q | Connector assignment |
q | Connector assignment |
q | Connector assignment |
q | Fitting location and connectors, right-hand drive |
Roof electronics control unit -J528- |
q | Components: -T8ah- , -E326- , -E633- , -E634- , -W65- , -W66- , -E635- , -E636- , -E8- , -G273- , -G384- , -E325- , -E584- , -E585- , -R164- |
q | Fitting location and connectors |
Sliding sunroof adjustment control unit -J245- /sliding sunroof motor -V1- |
q | Fitting location and connectors |
Control unit for front left belt tensioner -J854- /control unit for front right belt tensioner -J855- |
q | Fitting location and connectors |
q | Connector assignment |
q | Fitting location and connectors, right-hand drive |
q | Fitting location and connectors, right-hand drive |
q | Assignment from model year 2014 |
q | Connector assignment |
Control unit in dash panel insert -J285- |
q | Components: -K1- , -K47- , -K261- , -Y24- , -K75- , -K104- , -K149- , -G1- , -K262- |
q | Fitting location and connectors |
Power steering control unit -J500- |
q | Components: -V187- , -G269- |
q | Fitting location and connectors |
Left gas discharge bulb control unit -J343- |
q | Components: -J667- , -V294- , -V295- , -A31- , -A32- , -A33- , -A34- , -A35- , -J860- , -L176- , -L148- , -M5- , -M33- , -G695- , -V48- , -V318- , -L13- , -A44- , -A45- , -M30- , -G832- , -G702- , -G703- , -V407- , -J892- , -M51- , -M92- , -L207- , -M29- |
q | Fitting location and connectors, GDL headlight |
q | Fitting location and connectors, LED headlight/LED headlight with matrix beam |
Radiator fan control unit -J293-Radiator fan control unit 2 -J671- |
q | Components: -V7- , -V177- |
q | Fitting location and connectors |
Right gas discharge bulb control unit -J344- |
q | Components: -J668- , -A27- , -A28- , -A29- , -A30- , -A36- , -L14- , -L177- , -M7- , -M34- , -J861- , -L149- , -V49- , -V319- , -G696- , -M32- , -G833- , -G704- , -G705- , -V408- , -J893- , -M52- , -M93- , -L208- , -M31- |
q | Fitting location and connectors, GDL headlight |
q | Fitting location and connectors, LED headlight/LED headlight with matrix beam |
33 - | Control unit for NOx sender -J583- , V8 TDI |
q | Fitting location and connectors |
|
|
2 - | 6-pin connector -T6a- , black, connector G |
4 - | 17-pin connector -T17a- , brown, connector E |
6 - | 16-pin connector -T16c- , brown, connector C |
. |
Fitting location, right-hand drive |
|
1 - | 32-pin connector -T32a- , grey, connector A |
2 - | 6-pin connector -T6a- , black, connector G |
3 - | 17-pin connector -T17b- , black, connector D |
4 - | 17-pin connector -T17a- , brown, connector E |
5 - | 17-pin connector -T17c- , red, connector F |
6 - | 16-pin connector -T16c- , brown, connector C |
7 - | 32-pin connector -T32b- , black, connector B |
|
|
. |
Fitting location, engine control unit 2 -J624- |
Fitting location |
|
A - | Engine control unit 2 -J624- |
2 - | 94-pin connector -T94a- , black |
|
1 - | Engine control unit 2 -J624- |
B - | 91-pin connector -T91- , black |
|
|
A - | Engine control unit -J623- |
2 - | 94-pin connector -T94- , black |
|
A - | Engine control unit -J623- |
1 - | 105-pin connector -T105- , black |
2 - | 91-pin connector -T91- , black |
|
|
A - | Active steering control unit -J792- |
2 - | 8-pin connector -T8d- , black |
3 - | 5-pin connector -T5f- , black, Active steering motor -V477- |
|
|
A - | Active steering control unit -J792- |
1 - | 10-pin connector -T10i- , black |
2 - | 8-pin connector -T8d- , black |
3 - | 5-pin connector -T5f- , black, Active steering motor -V477- |
|
|
A - | Control unit for night vision system -J853- |
2 - | 12-pin connector -T12l- , black |
|
|
A - | Image processing control unit -J851- |
2 - | 5-pin connector -T5n- , black, camera control unit -J852- |
|
|
A - | Image processing control unit -J851- |
1 - | 12-pin connector -T12p- , black |
2 - | 5-pin connector -T5n- , black, camera control unit -J852- |
|
|
A - | 50-pin connector -T50- , ivory |
|
|
A - | ABS control unit -J104- |
1 - | 47-pin connector -T47- , black |
|
Note:
|
A - | Front passenger door control unit -J387- |
2 - | 20-pin connector -T20c- , black |
4 - | 32-pin connector -T32m- , blue |
|
|
A - | 100-pin connector -T100- , yellow |
|
Note:
|
A - | Driver door control unit -J386- |
2 - | 20-pin connector -T20b- , black |
4 - | 32-pin connector -T32k- , blue |
|
A - | Control unit for electrically adjustable steering column -J866- |
1 - | 18-pin connector -T18a- , black |
|
|
A - | Control unit for electronic steering column lock -J764- |
1 - | 6-pin connector -T6z- , black |
|
|
A - | Adaptive cruise control unit -J428- |
1 - | 8-pin connector -T8a- , black |
|
|
A - | Control unit 2 for adaptive cruise control -J850- |
1 - | 8-pin connector -T8b- , black |
|
|
A - | Tyre Pressure Monitoring System control unit -J502- |
1 - | 12-pin connector -T12aw- , black |
|
|
B - | Anti-theft alarm sensor -G578- |
D - | 4-pin connector -T4dq- , black |
|
1 - | Front interior light -W1- |
q | with: microphone unit in front roof module -R164- , anti-theft alarm sensor -G578- , sunroof switch -E8- , interior monitoring sensor -G273- , vehicle inclination sender -G384- , sunroof button -E325- , button 1 for roof roller blind -E584- , button 2 for roof roller blind -E585- |
A - | 6-pin connector -T6k- , blue, microphone unit in front roof module -R164- |
B - | 4-pin connector -T4dq- , black, anti-theft alarm sensor -G578- |
C - | 6-pin connector -T6au- , brown |
|
|
A - | Power steering control unit -J500- |
q | with: electromechanical power steering motor -V187- , steering moment sender -G269- |
2 - | 6-pin connector -T6bv- , black |
3 - | Connection for steering moment sender -G269- |
|
B - | 2-pin connector -T2dm- , black |
D - | 13-pin connector -T13b- , black |
E - | Steering column electronics control unit -J527- |
q | with light switch -E2- , headlight flasher switch -E5- , cruise control system switch -E45- , intermittent wiper switch -E22- , steering angle sender -G85- , coil connector -F350- , steering wheel heater button -E522- , steering column adjustment switch -E167- , lane departure warning button -E517- , airbag coil connector and return ring with slip ring -F138- |
|
A - | Steering column electronics control unit -J527- |
F - | 16-pin connector -T16d- , black |
E - | 4-pin connector -T4ap- , black |
|
A - | Power unit mounting control unit -J931- |
B - | 28-pin connector -T28- , black |
|
A - | Control unit for structure-borne sound -J869- |
B - | 6-pin connector -T6bp- , black |
|
A - | Wiper motor control unit -J400- |
q | with windscreen wiper motor -V- |
B - | 4-pin connector -T4ek- , black |
|
B - | 2-pin connector -T2ia- , brown |
C - | Auxiliary heater control unit -J364- |
q | with: temperature sensor 2 for supplementary and auxiliary heating -G587- , flame monitor -G64- , temperature sensor -G18- , glow plug heater -Q9- , -V6- , fuel pre-heating heater element -Z66- |
|
1 - | Radiator fan control unit 2 -J671- |
q | Radiator fan 2 -V177- |
2 - | Radiator fan control unit -J293- |
q | Radiator fan -V7- |
4 - | 4-pin connector -T4e- , black |
|
B - | 2-pin connector -T2gd- , MOST bus, black |
C - | Control unit in dash panel insert -J285- |
q | with: main beam warning lamp -K1- , ABS warning lamp -K47- , warning lamp for left turn signal -K261- , display in dash panel insert -Y24- , airbag warning lamp -K75- , diesel electronics warning lamp -K104- , engine electronics warning lamp -K149- , fuel gauge -G1- , warning lamp for right turn signal -K262- |
|
1 - | Camera control unit -J852- |
q | Fitting location and connectors |
2 - | Automatic anti-dazzle interior mirror -Y7- |
q | with rain and light sensor -G397- , light sensor -G399- |
3 - | Humidity sender -G355- |
4 - | Main beam assist control unit -J844- |
|
|
A - | Camera control unit -J852- |
2 - | 12-pin connector -T12o- , black |
|
1 - | Output module for left headlight -J667- /output module for right headlight -J668- |
2 - | Left gas discharge bulb control unit -J343- /right gas discharge bulb control unit -J344- |
14-pin connector -T14f- /14-pin connector -T14e- |
q | in headlight: left LED module for daytime running light and side light -L176- , left cornering light bulb -L148- , control unit for left daytime running light and side light -J860- , left gas discharge bulb control unit -L13- , front left turn signal bulb -M5- , front left side marker bulb -M33- , control motor sender for left VARILIS headlight -G695- , output module 2 for left headlight -J892- , left headlight range control motor -V48- , left dynamic cornering light control motor -V318- , control unit for right daytime running light and side light -J861- , right gas discharge bulb -L14- , right cornering light bulb -L149- , right LED module for daytime running light and side light -L177- , front right turn signal bulb -M7- , front right side marker bulb -M34- , control motor sender for right VARILIS headlight -G696- , output module 2 for right headlight -J893- , right headlight range control motor -V49- , right dynamic cornering light control motor -V319- |
|
1 - | Output module 1 for left LED headlight -A31- /output module 1 for right LED headlight -A27- /output module for left matrix headlight -A44- /output module for right matrix headlight -A45- |
2 - | Output module 2 for left LED headlight -A32- /output module 2 for right LED headlight -A28- /output module 4 for left LED headlight -A34- /output module 4 for right LED headlight -A30- /output module 5 for left LED headlight -A35- /output module 5 for right LED headlight -A36- |
3 - | Output module 3 for left LED headlight -A33- /output module 3 for right LED headlight -A29- |
4 - | 14-pin connector -T14f- /14-pin connector -T14e- |
q | in headlight with matrix beam: left LED module for daytime running light and side light -L176- , left headlight main beam bulb -M30- , temperature sender 3 for left headlight -G832- , temperature sender 1 for left headlight -G702- , temperature sender 2 for left headlight -G703- , left headlight fan -V407- , right LED module for daytime running light and side light -L177- , right headlight main beam bulb -M32- , temperature sender 3 for right headlight -G833- , temperature sender 1 for right headlight -G704- , temperature sender 2 for right headlight -G705- , right headlight fan -V408- |
|
1 - | Control unit for front left belt tensioner -J854- /control unit for front right belt tensioner -J855- |
4-pin connector -T4b- /4-pin connector -T4au- |
5-pin connector -T5g- /5-pin connector -T5h- |
|
-T4b- (A) | Designation | -T5g- (B) | Designation | |
1 | CAN bus extended, high B668 connection 2 (CAN bus extended, high) in main wiring harness B670 connection 3 (CAN bus extended, high) in main wiring harness Wiring junction for CAN bus extended, high -TV41- | 1 | Airbag control unit -J234- | |
2 | CAN bus extended, low B669 connection 2 (CAN bus extended, low) in main wiring harness B671 connection 3 (CAN bus extended, low) in main wiring harness Wiring junction for CAN bus extended, low -TV42- | 2 | Airbag control unit -J234- | |
3 | Terminal 31, to 369 earth connection 4 in main wiring harness 34 earth point under driver seat | 3 | ||
4 | Terminal 15, from fuse holder F -SF- | 4 | Airbag control unit -J234- | |
5 | Airbag control unit -J234- |
|
-T4au- (A) | Designation | -T5h- (B) | Designation | |
1 | CAN bus extended, high B108 connection 1 (CAN bus extended, high) in main wiring harness Wiring junction for CAN bus extended, high -TV41- | 1 | Airbag control unit -J234- | |
2 | CAN bus extended, low B109 connection 1 (CAN bus extended, low) in main wiring harness Wiring junction for CAN bus extended, low -TV42- | 2 | Airbag control unit -J234- | |
3 | Terminal 31, to 396 earth connection 31 in main wiring harness 35 earth point under front passenger seat | 3 | ||
4 | Terminal 15, from fuse holder F -SF- | 4 | Airbag control unit -J234- | |
5 | Airbag control unit -J234- |
|
1 - | Sliding sunroof adjustment control unit -J245- /sliding sunroof motor -V1- |
A - | 10-pin connector -T10am- |
|
-T10am- (A) | Designation | -T10am- (A) | Designation | |
1 | LIN bus, B577 connection (LIN bus) in roof wiring harness B528 connection 1 (LIN bus) in main wiring harness B698 connection 3 (LIN bus) in main wiring harness Convenience system central control unit -J393- | 6 | Sunroof switch -E8- | |
2 | 7 | Sunroof switch -E8- | ||
3 | 8 | |||
4 | Sunroof switch -E8- | 9 | Terminal 31, to 178 earth connection in sliding sunroof wiring harness 689 earth point at front centre of roof | |
5 | Terminal 30, from fuse holder C -SC- | 10 | Terminal 30, from B591 positive connection 1 (30a) in main wiring harness Fuse holder F -SC- |
|
1 - | Control unit for NOx sender -J583- |
A - | 5-pin connector -T5aw- , black |
|
-T5aw- (A) | Designation |
1 | Terminal 87, from B326 positive connection 12 (30a) in main wiring harness Fuse holder A -SA- |
2 | Terminal 31, to 370 earth connection 5 in main wiring harness 396 earth connection 31 in main wiring harness 35 earth point under front passenger seat |
3 | CAN bus, low B394 connection 5 (powertrain CAN bus, low) in main wiring harness D179 connection 2 (low bus) in engine compartment wiring harness Engine control unit -J623- |
4 | CAN bus, high B387 connection 5 (powertrain CAN bus, high) in main wiring harness D178 connection 2 (high bus) in engine compartment wiring harness Engine control unit -J623- |
5 | Terminal 31, to 370 earth connection 5 in main wiring harness 396 earth connection 31 in main wiring harness 35 earth point under front passenger seat |
|
1 - | Control unit for NOx sender -J583- |
A - | 5-pin connector -T5av- , black |
|
-T5av- (A) | Designation |
1 | Terminal 87, from D189 connection (87a) in engine prewiring harness Fuse holder A -SA- |
2 | Terminal 31, to 85 earth connection 1 in engine compartment wiring harness 380 earth connection 15 in main wiring harness 43 earth point at bottom of right A-pillar |
3 | CAN bus, low D179 connection 2 (low bus) in engine compartment wiring harness Engine control unit -J623- |
4 | CAN bus, high D178 connection 2 (high bus) in engine compartment wiring harness Engine control unit -J623- |
5 |
|
1 - | Control unit for heads-up display -J898- |
Connector assignment for control unit for heads-up display -J898- |
-T10bh- (A) | Designation | -T10bh- (A) | Designation | |
1 | Dash panel insert CAN bus, high B674 connection 3 (running gear/dash panel insert CAN bus, high) in main wiring harness A204 connection (dash panel insert CAN bus, high) in dash panel wiring harness Data bus diagnostic interface -J533- | 6 | ||
2 | Dash panel insert CAN bus, low B678 connection 3 (running gear/dash panel insert CAN bus, low) in main wiring harness A205 connection (dash panel insert CAN bus, low) in dash panel wiring harness Data bus diagnostic interface -J533- | 7 | ||
3 | 8 | |||
4 | Terminal 30, B330 positive connection 16 (30a) in main wiring harness Fuse holder C -SC- | 9 | Terminal 31, 375 earth connection 10 in main wiring harness 376 earth connection 11 in main wiring harness 639 earth point on left A-pillar | |
5 | Terminal 30, B330 positive connection 16 (30a) in main wiring harness Fuse holder C -SC- | 10 | Terminal 31, 375 earth connection 10 in main wiring harness 376 earth connection 11 in main wiring harness 639 earth point on left A-pillar |
|
1 - | Control unit 1 for information electronics -J794- |
D - | 8-pin connector -T8p- , black |
E - | not assigned |
G - | 12-pin connector -T12e- , blue |
J - | 2-pin connector -T2ak- , MOST bus, black |
L - | 4-pin connector -T4cn- , brown, connection for external audio sources -R199- |
M - | not assigned |
N - | not assigned |
O - | not assigned |
Connector assignment, control unit 1 for information electronics -J794- |
-T8p- (D) | Designation | -T8q- (H) | Designation | |
9 | Telephone bracket -R126- | 1 | ||
10 | Multimedia system operating unit -E380- | 2 | ||
11 | Multimedia system operating unit -E380- | 3 | Multimedia system operating unit -E380- | |
12 | Terminal 31, to 332 earth connection 4 in dash panel wiring harness 135 earth connection 2 in dash panel wiring harness 602 earth point in front left footwell | 4 | ||
13 | Telephone bracket -R126- | 5 | Aerial amplifier for mobile telephone -R86- Chip card reader control unit -J676- | |
14 | Multimedia system operating unit -E380- | 6 | Multimedia system operating unit -E380- | |
15 | Terminal 30, from fuse holder F -SF- | 7 | B159 connection (diagnosis) in interior wiring harness B444 connection 1 (diagnosis) in main wiring harness Data bus diagnostic interface -J533- | |
16 | 8 |
-T12d- (F) | Designation | -T12e- (G) | Designation | |
1 | Connection for external audio sources -R199- | 1 | ||
2 | Connection for external audio sources -R199- | 2 | Microphone unit in front roof module -R164- Front right microphone -R141- | |
3 | Connection for external audio sources -R199- | 3 | Microphone unit in front roof module -R164- Front right microphone -R141- | |
4 | Connection for external audio sources -R199- | 4 | Chip card reader control unit -J676- | |
5 | Connection for external audio sources -R199- | 5 | Reversing camera system control unit -J772- Control unit for overhead view camera -J928- | |
6 | Connection for external audio sources -R199- | 6 | Chip card reader control unit -J676- | |
7 | Connection for external audio sources -R199- | 7 | ||
8 | Connection for external audio sources -R199- | 8 | Microphone unit in front roof module -R164- Front left microphone -R140- | |
9 | Connection for external audio sources -R199- | 9 | Microphone unit in front roof module -R164- Front left microphone -R140- | |
10 | Connection for external audio sources -R199- | 10 | Chip card reader control unit -J676- | |
11 | Connection for external audio sources -R199- | 11 | Reversing camera system control unit -J772- Control unit for overhead view camera -J928- | |
12 | Connection for external audio sources -R199- | 12 |
|
1 - | DVD changer -R161- |
B - | 2-pin connector -T2dn- , MOST bus, black |
|
1 - | Seat and steering column adjustment control unit with memory -J136- |
B - | 10-pin connector -T10m- , black |
Connector assignment, seat and steering column adjustment control unit with memory -J136- |
-T12aa- (A) | Designation | -T12aa- (A) | Designation | |
1 | Driver seat backrest adjustment motor -V45- | 7 | Driver seat rake adjustment motor -V243- | |
2 | Driver seat head restraint adjustment motor -V103- | 8 | Driver seat height adjustment motor -V245- | |
3 | Driver seat height adjustment motor -V245- | 9 | Driver seat longitudinal adjustment motor -V28- | |
4 | Driver seat head restraint adjustment motor -V103- | 10 | Driver seat rake adjustment motor -V243- | |
5 | Driver seat longitudinal adjustment motor -V28- | 11 | Terminal 30, from driver seat adjustment thermal fuse 1 -S44- | |
6 | Driver seat backrest adjustment motor -V45- | 12 | Terminal 31, to 95 earth connection 1 in seat adjustment wiring harness 369 earth connection 4 in main wiring harness 34 earth point under driver seat |
-T10m- (B) | Designation | -T10m- (B) | Designation | |
1 | Driver seat depth adjustment motor -V256- | 6 | Potentiometer for seat belt height adjustment -G372- | |
2 | Seat belt height adjustment motor -V233- | 7 | ||
3 | Seat belt height adjustment motor -V233- | 8 | Driver upper backrest adjustment motor -V258- | |
4 | Driver upper backrest adjustment motor -V258- | 9 | Potentiometer for seat belt height adjustment -G372- | |
5 | Driver seat depth adjustment motor -V256- | 10 |
-T32i- (C) | Designation | -T32i- (C) | Designation | |
1 | 17 | |||
2 | 18 | |||
3 | Driver door control unit -J386- | 19 | ||
4 | 20 | Head restraint adjustment switch -E155- Switch module for driver seat -E663- | ||
5 | Driver seat massage function button -E670- | 21 | ||
6 | Seat longitudinal adjustment button -E418- Switch module 2 for driver seat -E667- | 22 | Driver seat backrest adjustment switch -E96- Switch module for driver seat -E663- | |
7 | Seat height adjustment button -E424- Switch module 2 for driver seat -E667- | 23 | Driver seat height adjustment switch -E364- Switch module for driver seat -E663- | |
8 | 24 | Driver seat rake adjustment switch -E222- Switch module for driver seat -E663- | ||
9 | 25 | Driver seat longitudinal adjustment switch -E363- Switch module for driver seat -E663- | ||
10 | 26 | |||
11 | 27 | |||
12 | 28 | Backrest adjustment button -E425- Switch module 2 for driver seat -E667- | ||
13 | 29 | |||
14 | 30 | |||
15 | Convenience CAN bus, low M28 connection (convenience CAN bus, low) in driver seat adjustment wiring harness | 31 | ||
16 | Convenience CAN bus, high M27 connection (convenience CAN bus, high) in driver seat adjustment wiring harness | 32 |
|
1 - | Catalytic converter heater control unit 1 -J1021- |
B - | 4-pin connector -T4gk- , black |
Connector assignment, catalytic converter heater control unit 1 -J1021- |
-T4gk- (B) | Designation | -T4gk- (B) | Designation | |
1 | Powertrain CAN bus, high E123 connection 1 (powertrain CAN bus, high) in engine wiring harness | 3 | Powertrain CAN bus, low E124 connection 1 (powertrain CAN bus, low) in engine wiring harness | |
2 | Terminal 31, to 618 earth point on left on engine | 4 | Terminal 87, from D181 connection 2 (87a) in engine compartment wiring harness |
-T2qc- (A) | Designation | -T2qb- (C) | Designation | |
1 | Catalytic converter heater 1 -Z119- | 1 | Terminal 30 wiring junction -TV2- Catalytic converter heater fuse 2 -S354- | |
2 | Catalytic converter heater 2 -Z120- | 2 | Terminal 30 wiring junction -TV2- Catalytic converter heater fuse -S351- |
|