Wiring Diagram AUDI A4 2014 - Convenience system central control unit - Radio - TV tuner - Aerial amplifier 3
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Automotive Electricians Portal FZCO
Wiring Diagram AUDI A4 2014 - Radio - TV tuner - Aerial amplifier 4
| R | Radio, white |
| R78 | TV tuner |
| R113 | Aerial amplifier 4 |
| T1ab | Single connector |
| T1ak | Single connector |
| T2dh | 2-pin connector |
| * | Only models with no equipment for Japan |
| *2 | Only models with equipment for Japan |
Wiring Diagram AUDI A4 2014 - Radio - Aerial amplifier - TV tuner - Radio aerial 2
| R | Radio, white |
| R24 | Aerial amplifier |
| R78 | TV tuner |
| R93 | Radio aerial 2 |
| T1z | Single connector |
| T2df | 2-pin connector |
| T2dh | 2-pin connector |
| T2dq | 2-pin connector |
| T2dr | 2-pin connector |
| * | Only models with TV tuner |
| *2 | Only models with no equipment for Japan |
| *3 | Only models with equipment for Japan |
| *4 | Only models with no TV receiver |
Wiring Diagram AUDI A4 2014 - Radio - Aerial amplifier 2
Wiring Diagram AUDI A4 2014 - Control unit 1 for information electronics - Radio - Radio - telephone and navigation system aerial - Remote control receiver for auxiliary heater - Aerial amplifier for mobile telephone - Telephone bracket
AUDI A4 2014 Overview of control units in interior of vehicle
Overview of control units in interior of vehicle | Note:
| ♦ Overview also valid for Avant models (5-door)! |
| | | 1 - | Headlight range control unit -J431- |
| 1 - | Control unit for bend lighting and headlight range control -J745- |
| 2 - | Fresh air blower control unit -J126- |
| 3 - | Front information display and operating unit control unit -J523- |
| q | for models with MMI Basic |
| q | Location: behind glove compartment |
| q | for models with MMI High: → Item |
| 3 - | CD changer -R41- / DVD changer -R161- |
| q | for models without MMI → Item |
| 3 - | Chip card reader control unit -J676- |
| 4 - | Front passenger door control unit -J387- |
| q | Location and connectors for models with left-hand drive: → Chapter |
| q | Location and connectors for models with right-hand drive: → Anchor |
| 5 - | Display unit for front information display and operating unit control unit -J685- |
| 6 - | Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397- |
| 7 - | Sliding sunroof adjustment control unit -J245- with sliding sunroof motor -V1- |
| 8 - | Telephone transmitter and receiver unit -R36- |
| 8 - | Front passenger seat adjustment with memory control unit -J521- |
| q | Location: under front passenger seat |
| 9 - | Rear right door control unit -J389- |
| q | Location: in rear right door |
| 10 - | Multimedia system operating unit -E380- |
| 11 - | Rear left door control unit -J388- |
| q | Location: in rear left door |
| 12 - | Fuel pump control unit -J538- |
| q | Location: under rear seat bench |
| 13 - | Airbag control unit -J234- |
| 14 - | Seat and steering column adjustment control unit with memory -J136- |
| q | Fitting location: under driver seat |
| 14 - | Active steering control unit -J792- |
| 15 - | Driver door control unit -J386- |
| q | Location and connectors for models with left-hand drive: → Chapter |
| q | Location and connectors for models with right-hand drive: → Anchor |
| 16 - | Control unit in dash panel insert -J285- |
| 17 - | 16-pin connector -T16- diagnostic connection |
| 17 - | Onboard supply control unit -J519- |
| q | Location and connectors for models with left-hand drive: → Chapter |
| q | Location and connectors for models with right-hand drive: → Anchor |
| 18 - | Steering column electronics control unit -J527- |
| q | Location: on steering column |
| 18 - | Electronic steering column lock control unit -J764- |
| q | Location: on steering column |
| 18 - | Multifunction steering wheel control unit -J453- |
| q | Location: on steering column |
| 19 - | Climatronic control unit -J255- |
| 20 - | Front information display and operating unit control unit -J523- |
| q | for models with MMI High |
| q | Location: in middle part dash panel |
| 20 - | Control unit for information electronics 1 -J794- |
| 20 - | Radio -R- with integrated CD changer -R41- / DVD changer -R161- |
| 21 - | Data bus diagnostic interface -J533- |
AUDI A4 2014 Overview of control units in rear part of vehicle - saloon models (4-door) only
Overview of control units in rear part of vehicle - saloon models (4-door) only |
| 1 - | Convenience system central control unit -J393- |
| q | Overview of Avant models (5-door): → Item |
| 1 - | Aerial amplifier for mobile telephone -R86- |
| q | Overview of Avant models (5-door): → Item |
| 1 - | Electronically controlled damping control unit -J 250- |
| q | Overview of Avant models (5-door): → Item |
| 1 - | Reversing camera system control unit -J772- |
| q | Overview of Avant models (5-door): → Item |
| 1 - | Trailer detector control unit -J345- |
| q | Overview of Avant models (5-door): → Item |
| 1 - | Park assist steering control unit -J791- |
| q | Overview of Avant models (5-door): → Item |
| 1 - | Control unit for electromechanical parking brake -J540- |
| q | Overview of Avant models (5-door): → Item |
| 2 - | Lane change assist control unit -J769- |
| q | Location: on inside of rear bumper |
| q | Overview of Avant models (5-door): → Item |
| 3 - | Digital sound package control unit -J525- |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Overview of Avant models (5-door): → Item |
| q | for models with MMI High |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Overview of Avant models (5-door): → Item |
| 3 - | Satellite radio -R146- |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Overview of Avant models (5-door): → Item |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Overview of Avant models (5-door): → Item |
| 3 - | Navigation system with CD drive control unit -J401- |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Overview of Avant models (5-door): → Item |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Overview of Avant models (5-door): → Item |
| 4 - | Lane change assist control unit 2 -J770- |
| q | Location: on inside of rear bumper |
| q | Overview of Avant models (5-door): → Item |
| 5 - | Voltage stabiliser -J532- |
| q | Overview of Avant models (5-door): → Item |
| 6 - | Battery monitor control unit -J367- |
| q | Overview of Avant models (5-door): → Item |
| 7 - | All-wheel drive control unit -J492- |
| q | Overview of Avant models (5-door): → Item |
AUDI A4 2014 Overview of control units in rear part of vehicle - Avant models (5-door) only
Overview of control units in rear part of vehicle - Avant models (5-door) only |
| 1 - | All-wheel drive control unit -J492- |
| q | Fitting location and connector: → Anchor |
| 2 - | Convenience system central control unit -J393- |
| 2 - | Aerial amplifier for mobile telephone -R86- |
| 2 - | Electronically controlled damping control unit -J 250- |
| 2 - | Reversing camera system control unit -J772- |
| 2 - | Trailer detector control unit -J345- |
| 2 - | Park assist steering control unit -J791- |
| 2 - | Control unit for electromechanical parking brake -J540- |
| 3 - | Lane change assist control unit -J769- |
| q | Location: on inside of rear bumper |
| 4 - | Digital sound package control unit -J525- |
| q | Location: in left of luggage compartment, behind side trim. |
| q | for models with MMI High |
| q | Location: in left of luggage compartment, behind side trim. |
| 4 - | Satellite radio -R146- |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Location: in left of luggage compartment, behind side trim. |
| 4 - | Navigation system with CD drive control unit -J401- |
| q | Location: in left of luggage compartment, behind side trim. |
| q | Location: in left of luggage compartment, behind side trim. |
| 5 - | Lane change assist control unit 2 -J770- |
| q | Location: on inside of rear bumper |
| 6 - | Voltage stabiliser -J532- |
| 7 - | Battery monitor control unit -J367- |
AUDI A4 2014 Control unit for headlight range control J431 / control unit for bend lighting and headlight range control J745Control unit for headlight range control -J431- / control unit for bend lighting and headlight range control -J745- |
| in front passenger footwell, behind the glove compartment | | | |
| A - | Control unit for headlight range control -J431- / control unit for bend lighting and headlight range control -J745- |
| Connector on control unit for headlight range control -J431-: |
| A1 - | 26-pin connector -T26a- |
| Connector on control unit for cornering light and headlight range control -J745- |
| A1 - | 26-pin connector -T26b- |
AUDI A4 2014 Fresh air blower control unit J126Fresh air blower control unit -J126- |
| in front passenger footwell, behind the glove compartment | | | |
| A - | Fresh air blower control unit -J126- |
| A1 - | 6-pin connector, brown -T6y- |
AUDI A4 2014 Driver door control unit J386Driver door control unit -J386- |
| Location door control unit, driver side -J386- for models with left-hand drive: | Note: | t | Figure shows left-hand drive model. | | t | Figure for right-hand drive models → Anchor. | | | |
| A - | Driver door control unit -J386- |
| A1 - | 32-pin connector -T32j- |
| A2 - | 16-pin connector -T16m- |
| A3 - | 20-pin connector -T20f- |
| A4 - | 6-pin connector -T6am- |
| Location door control unit, driver side -J386- for models with right-hand drive: | Note: | t | Figure shows right-hand drive model. | | t | Figure for left-hand drive models → Anchor. | | | |
| A - | Driver door control unit -J386- |
| A1 - | 32-pin connector -T32j- |
| A2 - | 16-pin connector -T16m- |
| A3 - | 20-pin connector -T20f- |
| A4 - | 6-pin connector -T6am- |
AUDI A4 2014 Front passenger door control unit J387Front passenger door control unit -J387- |
| Location door control unit, front passenger side -J387- for models with left-hand drive: | Note: | t | Figure shows left-hand drive model. | | t | Figure for right-hand drive models → Anchor. | | | |
| A - | Front passenger door control unit -J387- |
| A1 - | 32-pin connector -T32l- |
| A2 - | 16-pin connector -T16n- |
| A3 - | 20-pin connector -T20g- |
| A4 - | 6-pin connector -T6ao- |
| Location door control unit, front passenger side -J387- for models with right-hand drive: | Note: | t | Figure shows right-hand drive model. | | t | Figure for left-hand drive models → Anchor. | | | |
| A - | Front passenger door control unit -J387- |
| A1 - | 32-pin connector -T32l- |
| A2 - | 16-pin connector -T16n- |
| A3 - | 20-pin connector -T20g- |
| A4 - | 6-pin connector -T6ao- |
AUDI A4 2014 Automatic anti-dazzle interior mirror Y7 with Rain and light detector sensor G397Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397- |
| at front of roof side member. | | | |
| 1 - | Lane departure warning control unit -J759- |
| 2 - | Automatic anti-dazzle interior mirror -Y7- with Rain and light detector sensor -G397- |
| 3 - | Humidity sender -G355- |
| 4 - | Main beam assist control unit -J844- |
AUDI A4 2014 Sliding​ sunroof​ adjustment​ control​ unit J245 with sliding sunroof motor V1Sliding sunroof adjustment control unit -J245- with sliding sunroof motor -V1- |
| in roof module, on upper front roof frame | | | |
| A - | 10-pin connector -T10c- |
AUDI A4 2014 Onboard supply control unit J519Onboard supply control unit -J519- |
| Location onboard supply control unit -J519- for models with left-hand drive: | | Driver side dash panel, bottom. | Note: | t | Figure shows left-hand drive model. | | t | Figure for right-hand drive models → Anchor. | | | |
| A - | Onboard supply control unit -J519- |
| A1 - | 17-pin connector, black (connector D) -T17l- |
| A2 - | 17-pin connector, brown (connector E) -T17m- |
| A3 - | 17-pin connector, red (connector F) -T17n- |
| A4 - | 6-pin connector, green (connector G) -T6f- |
| A5 - | 32-pin connector, grey (connector A) -T32a- |
| A6 - | 16-pin connector, brown (connector C) -T16b- |
| A7 - | 32-pin connector, black (connector B) -T32b- |
| Location onboard supply control unit -J519- for models with right-hand drive: | | Driver side dash panel, bottom. | Note: | t | Figure shows right-hand drive model. | | t | Figure for left-hand drive models → Anchor. | | | |
| A - | Onboard supply control unit -J519- |
| A1 - | 17-pin connector, black (connector D) -T17l- |
| A2 - | 17-pin connector, brown (connector E) -T17m- |
| A3 - | 17-pin connector, red (connector F) -T17n- |
| A4 - | 6-pin connector, green (connector G) -T6f- |
| A5 - | 32-pin connector, grey (connector A) -T32a- |
| A6 - | 16-pin connector, brown (connector C) -T16b- |
| A7 - | 32-pin connector, black (connector B) -T32b- |
AUDI A4 2014 Active steering control unit J792Active steering control unit -J792- |
| Under the carpet in the driver's footwell | | | |
| 4 - | Active steering control unit -J792- |
| 1 - | 5-pin connnector, black -T5d- |
| 2 - | 8-pin connector, black -T8g- |
| 3 - | 10-pin connector, black -T10h- |
AUDI A4 2014 Radio R (with integrated CD changer R41 / DVD changer R161 )Radio -R- (with integrated CD changer -R41- / DVD changer -R161-) |
| in middle part dash panel. | | | |
| A1 - | Connector block, consisting of: |
| t | 8-pin connector, brown -T8k- |
| t | 8-pin connector, black -T16l- |
| t | 12-pin connector, green -T12a- |
| t | 12-pin connector, blue -T12s- |
| A2 - | 1-pin connector, black -T1i- (connection DAB) / 1-pin connector, green -T1k- (connection SDARS) |
| A3 - | 10-pin connector, black -T10v- (connection for display unit) |
| A4 - | 2-pin connector, white -T2df- (AM / FM1 / FM2 connection) |
AUDI A4 2014 CD changer R41 / DVD changer R161CD changer -R41- / DVD changer -R161- |
| | |
| A - | CD changer -R41- / DVD changer -R161- |
| A1 - | 8-pin connector -T8aa- |
| A2 - | 2-pin connector -T2dm- |
AUDI A4 2014 Chip card reader control unit J676Chip card reader control unit -J676- |
Note: | t | Figure shows right-hand drive model. | | t | for models with Japan navigation system only. | | | |
| A - | Chip card reader control unit -J676- |
| A1 - | 32-pin connector -T32ja- |
AUDI A4 2014 Display unit for front information display and operating unit control unit J685Display unit for front information display and operating unit control unit -J685- |
Note: | Connector -A1- is given as an example for differing equipment versions | | | |
| A - | Display unit for front information display and operating unit control unit -J685- |
| A1 - | Connector for models with MMI Basic up to August 2009: |
| t | 10-pin connector, black -T10t- |
| A1 - | Connector for models with MMI High up to August 2009: |
| t | 22-pin connector, black -T22b- |
| A1 - | Connectors for models with MMI Basic, from September 2009: |
| t | 8-pin connector, black -T8ai- |
| t | 4-pin connector, white -T4ao- |
| A1 - | Connectors for models with MMI High from September 2009: |
| t | 8-pin connector, black -T8ai- |
| t | 4-pin connector, black -T4an- |
| A1 - | Connector for radio chorus (radio low): |
| t | 10-pin connector, red -T10u- |
| A1 - | Connector for radio concert / symphony (radio mid): |
| t | 10-pin connector, black -T10w- |
AUDI A4 2014 Control unit for information electronics 1 J794Control unit for information electronics 1 -J794- |
| in middle part dash panel. | | | |
| A - | Control unit for information electronics 1 -J794- |
| A1 - | 1-pin connector, violet -T1p- |
| A2 - | 1-pin connector, blue -T1n- |
| A4 - | 4-pin connector, curry yellow -T4ap- |
| A5 - | for models with -J794- basic: |
| t | 4-pin connector, violet -T4al- |
| A5 - | for models with -J794- high: |
| t | 4-pin connector, grey -T4am- |
| A6 - | 1-pin connector, green -T1o- |
| A7 - | Connector block, consisting of: |
| t | 8-pin connector, brown -T8ah- |
| t | 8-pin connector, black -T8ao- |
| t | 12-pin connector, blue -T12x- |
| t | 12-pin connector, green -T12y- |
| A8 - | 2-pin connector -T2di- |
AUDI A4 2014 Multimedia​ system​ operating​ unit​ E380Multimedia system operating unit -E380- |
| | |
| A - | Multimedia system operating unit -E380- |
| A1 - | 16-pin connector -T16c- |
AUDI A4 2014 Climatronic control unit J255Climatronic control unit -J255- |
| in middle part dash panel. | | | |
| A - | Climatronic control unit -J255- |
| A1 - | 16-pin connector -T16i- |
| A2 - | 20-pin connector -T20e- |
AUDI A4 2014 Airbag​ control​ unit​ J234Airbag control unit -J234- |
| | |
| A - | Airbag control unit -J234- |
| A1 - | 100-pin connector -T100- |
AUDI A4 2014 Telephone transmitter and receiver unit R36Telephone transmitter and receiver unit -R36- |
| | |
| A - | Telephone transmitter and receiver unit -R36- |
| A1 - | Connector -B- (Aerial for Bluetooth) |
| A2 - | 54-pin connector -T54a- |
| A3 - | Connector -C- (optical fibre) |
| A4 - | Connector -D- (telephone aerial) |
AUDI A4 2014 16-pin connector T16 diagnostic connection16-pin connector -T16- diagnostic connection |
| Driver side dash panel, bottom. | | | |
| A - | 16-pin connector -T16- diagnostic connection |
AUDI A4 2014 Data bus diagnostic interface J533Data bus diagnostic interface -J533- |
| | |
| A - | Data bus diagnostic interface -J533- |
| A1 - | 2-pin connector -T2dl- |
| A2 - | 20-pin connector -T20d- |
AUDI A4 2014 Control unit in dash panel insert J285Control unit in dash panel insert -J285- |
| | |
| A - | Control unit in dash panel insert -J285- |
| A1 - | 32-pin connector, grey -T32f- |
AUDI A4 2014 Control units on right in luggage compartmentControl units on right in luggage compartment |
| | |
| 1 - | Convenience system central control unit -J393- | | Connectors on convenience system central control unit -J393- → Chapter | | 2 - | Aerial amplifier for mobile telephone -R86- | | 3 - | Electronically controlled damping control unit -J 250- | | Connector on electronically controlled damping control unit -J250- → Chapter | | 4 - | Reversing camera system control unit -J772- | | 5 - | Trailer detector control unit -J345- | | Connectors on trailer detector control unit -J345- → Chapter | | 6 - | Park assist steering control unit -J791- | | Connectors on park assist steering control unit -J791- → Chapter | | 7 - | Control unit for electromechanical parking brake -J540- | | | |
| Connectors on convenience system central control unit -J393- |
| 1 - | 17-pin connector, black (connector A) -T17o- |
| 2 - | 32-pin connector, black (connector B) -T32c- |
| 3 - | 17-pin connector, brown (connector C) -T17p- |
| 4 - | 32-pin connector, blue (connector F) -T32e- |
| 5 - | 6-pin connector (connector G) -not assigned- |
| 6 - | 32-pin connector, grey (connector E) -T32d- |
| 7 - | 1-pin connector, grey (connector D) -T1h- |
| Connector on electronically controlled damping control unit -J250- |
| A - | Electronically controlled damping control unit -J 250- |
| - | 47-pin connector -T47a- |
| Connectors on trailer detector control unit -J345- |
| A - | Trailer detector control unit -J345- |
| B - | 16-pin connnector, black -T16d- |
| C - | 12-pin connector, red -T12d- |
| Connectors on Parallel Parking Assistance Control Module -J791- |
| A - | 16-pin connector, brown -T16e- |
| B - | 12-pin connector, brown -T12e- |
| C - | 12-pin connector, black -T12g- |
AUDI A4 2014 All-wheel drive control unit J492All-wheel drive control unit -J492- |
| Location for saloon (4-door) models: | | In spare wheel recess, in front of battery | Note: | t | Figure shows saloon (4-door) model. | | t | Figure for Avant (5-door) model → Anchor. | | | |
| 1 - | All-wheel drive control unit -J492- |
| 2 - | 47-pin connector -T47b- |
| Location for Avant (5-door) models: | Note: | t | Figure shows Avant (5-door) model. | | t | Figure for saloon (4-door) model → Anchor. | | | |
| 1 - | All-wheel drive control unit -J492- |
| 2 - | 47-pin connector -T47b- |
AUDI A4 2014 Voltage stabiliser J532Voltage stabiliser -J532- |
| In spare wheel recess, on left next to battery. | | | |
| 1 - | Voltage stabiliser -J532- |
| 2 - | 12-pin connector -T12aa- |
AUDI A4 2014 Battery​ monitor​ control​ unit​ J367Battery monitor control unit -J367- |
| at negative terminal of battery -A-. | | | |
| 2 - | Battery monitor control unit -J367- |
| 3 - | 2-pin connector -T2x- |
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