Wiring Diagram AUDI A3 2016 - Display unit button - Data bus diagnostic interface - Reversing camera system control unit - Control unit 1 for information electronics - Fuse 1 in fuse holder A - Fuse holder C

| E506 | Display unit button |
| J533 | Data bus diagnostic interface |
| J772 | Reversing camera system control unit |
| J794 | Control unit 1 for information electronics |
| SA1 | Fuse 1 in fuse holder A |
| SC4 | Fuse 4 on fuse holder C |
| SA4 | Fuse 4 in fuse holder A |
| SC | Fuse holder C |
| SC10 | Fuse 10 on fuse holder C |
| SC12 | Fuse 12 on fuse holder C |
| SC16 | Fuse 16 on fuse holder C |
| S131 | Fuse 1 |
| S132 | Fuse 2 |
| T2iw | 2-pin connector |
| T8j | 8-pin connector |
| T12v | 12-pin connector |
| T12x | 12-pin connector |
| T20 | 20-pin connector |
| T20a | 20-pin connector |
| 687 | Earth point 1, on centre tunnel |
| B318 | Positive connection 4 (30a) in main wiring harness |
| B319 | Positive connection 5 (30a) in main wiring harness |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| * | Only models with reversing camera system |
| *2 | Only for RS 3 models |
| *3 | Only models with Bang & Olufsen sound system |
| *4 | Not for RS 3 models |
| *5 | According to equipment |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics
| J794 | Control unit 1 for information electronics |
| R86 | Aerial amplifier for mobile telephone |
| R126 | Telephone bracket |
| R199 | Connection for external audio sources |
| T2ak | 2-pin connector |
| T2al | 2-pin connector |
| T2am | 2-pin connector |
| T4x | 4-pin connector |
| T4y | 4-pin connector |
| T12v | 12-pin connector |
| T12y | 12-pin connector |
| T16m | 16-pin connector |
| V32 | Positive connection (30), in telephone wiring harness |
| * | According to equipment |
| *2 | Only models with connection for external multi-media devices with electrical interface |
Wiring Diagram AUDI A3 2016 - Display unit for front information display and operating unit control unit - Control unit 1 for information electronics
| J676 | Chip card reader control unit |
| J685 | Display unit for front information display and operating unit control unit |
| J794 | Control unit 1 for information electronics |
| R86 | Aerial amplifier for mobile telephone |
| R173 | Traffic data aerial |
| R193 | USB connection holder |
| R199 | Connection for external audio sources |
| T4ac | 4-pin connector |
| T4al | 4-pin connector |
| T4ao | 4-pin connector |
| T4ar | 4-pin connector |
| T4u | 4-pin connector |
| T4w | 4-pin connector |
| T4y | 4-pin connector |
| T8ai | 8-pin connector |
| T8n | 8-pin connector |
| T10z | 10-pin connector |
| T12v | 12-pin connector |
| B416 | Connection 2 (infotainment CAN bus, high), in main wiring harness |
| B422 | Connection 2 (infotainment CAN bus, low), in main wiring harness |
| * | Only models with equipment for Japan |
| *2 | Only Cabriolet models |
| *3 | Only models with 3-doors |
| *4 | Only models with 5-doors |
| *5 | Only models with 4-doors |
Wiring Diagram AUDI A3 2016 - Multimedia system operating unit - Control unit 1 for information electronics - Microphone unit in front roof module - Open and close display motor - Pivot mechanism for display
| E380 | Multimedia system operating unit |
| F330 | Open display limit switch |
| F331 | Close display limit switch |
| J676 | Chip card reader control unit |
| J794 | Control unit 1 for information electronics |
| R38 | Telephone microphone |
| R164 | Microphone unit in front roof module |
| R269 | Dedicated short-range communication aerial |
| T2fa | 2-pin connector |
| T2fb | 2-pin connector |
| T4t | 4-pin connector |
| T8e | 8-pin connector |
| T10z | 10-pin connector |
| T12v | 12-pin connector |
| T12x | 12-pin connector |
| T20h | 20-pin connector |
| V301 | Open and close display motor |
| VX452 | Pivot mechanism for display |
| 377 | Earth connection 12, in main wiring harness |
| B416 | Connection 2 (infotainment CAN bus, high), in main wiring harness |
| B422 | Connection 2 (infotainment CAN bus, low), in main wiring harness |
| * | Only models with equipment for Japan |
| *2 | According to equipment |
| *3 | Only models with Bang & Olufsen sound system |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Rear left treble loudspeaker - Rear left bass loudspeaker - Rear right treble loudspeaker - Rear right bass loudspeaker - Centre loudspeaker - Subwoofer
| J794 | Control unit 1 for information electronics |
| R14 | Rear left treble loudspeaker |
| R15 | Rear left bass loudspeaker |
| R16 | Rear right treble loudspeaker |
| R17 | Rear right bass loudspeaker |
| R208 | Centre loudspeaker |
| R211 | Subwoofer |
| R306 | LTE aerial 2 |
| T2ff | 2-pin connector |
| T2im | 2-pin connector |
| T2in | 2-pin connector |
| T2io | 2-pin connector |
| T2ip | 2-pin connector |
| T2iu | 2-pin connector |
| T2iv | 2-pin connector |
| T2t | 2-pin connector |
| T4as | 4-pin connector |
| T8ag | 8-pin connector |
| T8j | 8-pin connector |
| T12v | 12-pin connector |
| 377 | Earth connection 12, in main wiring harness |
| 687 | Earth point 1, on centre tunnel |
| * | According to equipment |
| *2 | Only models with 3-doors |
| *3 | Only Cabriolet models |
| *4 | Fibre optic cable (FOC) |
| *5 | see applicable current flow diagram for infotainment MOST bus |
| *6 | Wiring colour depends on equipment |
| *7 | see applicable current flow diagram for ring circuit break diagnostic |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Front left treble loudspeaker - Front left bass loudspeaker - Front right treble loudspeaker - Front right bass loudspeaker - Aerial amplifier - Aerial amplifier 2
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R20 | Front left treble loudspeaker |
| R21 | Front left bass loudspeaker |
| R22 | Front right treble loudspeaker |
| R23 | Front right bass loudspeaker |
| R24 | Aerial amplifier |
| R93 | Radio aerial 2 |
| R111 | Aerial amplifier 2 |
| R183 | Digital radio aerial |
| R297 | LTE aerial 1 |
| T2ad | 2-pin connector |
| T2fe | 2-pin connector |
| T2lq | 2-pin connector |
| T2ls | 2-pin connector |
| T2lx | 2-pin connector |
| T2lz | 2-pin connector |
| T2n | 2-pin connector |
| T2o | 2-pin connector |
| T4as | 4-pin connector |
| T4v | 4-pin connector |
| T4z | 4-pin connector |
| T8ag | 8-pin connector |
| T27 | 27-pin connector |
| T27a | 27-pin connector |
| * | Only models with no TV receiver |
| *2 | Only models with 4-doors |
| *3 | Only models with no digital radio |
| *4 | Only models with digital radio |
| *5 | According to equipment |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Rear left treble loudspeaker - Rear left bass loudspeaker - Aerial amplifier - Aerial amplifier 3 - Aerial amplifier 4
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R14 | Rear left treble loudspeaker |
| R15 | Rear left bass loudspeaker |
| R24 | Aerial amplifier |
| R55 | TV aerial 1 |
| R56 | TV aerial 2 |
| R57 | TV aerial 3 |
| R112 | Aerial amplifier 3 |
| R113 | Aerial amplifier 4 |
| T2ez | 2-pin connector |
| T2fd | 2-pin connector |
| T2iq | 2-pin connector |
| T2ir | 2-pin connector |
| T4aq | 4-pin connector |
| T4v | 4-pin connector |
| T8ag | 8-pin connector |
| T27b | 27-pin connector |
| T27c | 27-pin connector |
| R71 | 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 |
| * | Only models with 4-doors |
| *2 | Only models with 5-doors |
| *3 | Only models with TV tuner |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Rear right treble loudspeaker - Rear right bass loudspeaker - Aerial amplifier - Aerial amplifier 2
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R16 | Rear right treble loudspeaker |
| R17 | Rear right bass loudspeaker |
| R24 | Aerial amplifier |
| R93 | Radio aerial 2 |
| R111 | Aerial amplifier 2 |
| R112 | Aerial amplifier 3 |
| R183 | Digital radio aerial |
| T2ad | 2-pin connector |
| T2ah | 2-pin connector |
| T2ai | 2-pin connector |
| T2in | 2-pin connector, Coupling point for rear lid |
| T2is | 2-pin connector |
| T2it | 2-pin connector |
| T2k | 2-pin connector, Coupling point for rear lid |
| T2n | 2-pin connector |
| T2o | 2-pin connector |
| T4v | 4-pin connector |
| 62 | Earth point, right C-pillar |
| 75 | Earth point, rear right pillar |
| 376 | Earth connection 11, in main wiring harness |
| * | Only models with 4-doors |
| *2 | Only models with 5-doors |
| *3 | Only models with 3-doors |
| *4 | Up to October 2014 |
| *5 | Only models with no TV receiver |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Aerial amplifier - Aerial amplifier 2 - Roof aerial
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R24 | Aerial amplifier |
| R55 | TV aerial 1 |
| R56 | TV aerial 2 |
| R57 | TV aerial 3 |
| R64 | Remote control receiver for auxiliary heater |
| R93 | Radio aerial 2 |
| R111 | Aerial amplifier 2 |
| R112 | Aerial amplifier 3 |
| R182 | Auxiliary heater aerial |
| R216 | Roof aerial |
| T2ez | 2-pin connector |
| T2fg | 2-pin connector |
| T2in | 2-pin connector, Coupling point for rear lid |
| T2k | 2-pin connector, Coupling point for rear lid |
| T2n | 2-pin connector |
| T4ap | 4-pin connector |
| T4aq | 4-pin connector |
| T4v | 4-pin connector |
| 50 | Earth point, on left in luggage compartment |
| 368 | Earth connection 3, in main wiring harness |
| * | Only models with auxiliary heating |
| *2 | Only models with TV tuner |
| *3 | Only models with 3-doors |
| *4 | Only models with 5-doors |
| *5 | Only Cabriolet models |
| *6 | see applicable current flow diagram for basic equipment |
| *7 | Only models with no US equipment |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Aerial amplifier - Aerial amplifier 4 - Roof aerial
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R24 | Aerial amplifier |
| R50 | GPS aerial |
| R65 | Telephone aerial |
| R111 | Aerial amplifier 2 |
| R113 | Aerial amplifier 4 |
| R172 | Satellite tuner aerial |
| R183 | Digital radio aerial |
| R216 | Roof aerial |
| R248 | Radio aerial |
| T2ac | 2-pin connector |
| T2ad | 2-pin connector |
| T2af | 2-pin connector |
| T2aj | 2-pin connector |
| T2an | 2-pin connector |
| T2fc | 2-pin connector |
| T2fm | 2-pin connector |
| T2fn | 2-pin connector |
| T2fo | 2-pin connector |
| T2fp | 2-pin connector |
| T2fq | 2-pin connector |
| T4bk | 4-pin connector |
| T4v | 4-pin connector |
| 51 | Earth point, on right in luggage compartment |
| 676 | Earth point 2, on left in luggage compartment |
| * | Only Cabriolet models |
| *2 | Only models with hybrid drive system |
| *3 | see applicable current flow diagram for high-voltage system |
| *4 | Only models with no hybrid drive system |
| *5 | According to equipment |
| *6 | Only models with US equipment |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - GPS aerial - Telephone aerial - Aerial amplifier 3
| J794 | Control unit 1 for information electronics |
| J949 | Emergency call module control unit and communication unit |
| R50 | GPS aerial |
| R57 | TV aerial 3 |
| R65 | Telephone aerial |
| R78 | TV tuner |
| R93 | Radio aerial 2 |
| R112 | Aerial amplifier 3 |
| T2ac | 2-pin connector |
| T2af | 2-pin connector |
| T2ew | 2-pin connector |
| T2ex | 2-pin connector |
| T2ey | 2-pin connector |
| T2fr | 2-pin connector |
| T2fs | 2-pin connector |
| T2ft | 2-pin connector |
| T4bf | 4-pin connector |
| T4bn | 4-pin connector |
| T4v | 4-pin connector |
| 51 | Earth point, on right in luggage compartment |
| 392 | Earth connection 27, in main wiring harness |
| * | Only Cabriolet models |
| *2 | According to equipment |
| *3 | Only models with TV tuner |
| *4 | Only models with hybrid drive system |
| *5 | see applicable current flow diagram for high-voltage system |
| *6 | Only models with 5-doors |
| *7 | Only models with equipment for Korea |
| *8 | Only models with 4-doors |
| *9 | Only models with digital radio |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics
| J525 | Digital sound package control unit |
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R24 | Aerial amplifier |
| R78 | TV tuner |
| R93 | Radio aerial 2 |
| R111 | Aerial amplifier 2 |
| R112 | Aerial amplifier 3 |
| R183 | Digital radio aerial |
| T2ad | 2-pin connector |
| T2ai | 2-pin connector |
| T2n | 2-pin connector |
| T2o | 2-pin connector |
| T2u | 2-pin connector |
| T4ab | 4-pin connector |
| T4v | 4-pin connector |
| T38 | 38-pin connector |
| 51 | Earth point, on right in luggage compartment |
| 62 | Earth point, right C-pillar |
| H20 | Connection 1, in diagnosis wiring harness |
| * | Only models with 3-doors |
| *2 | Only models with 5-doors |
| *3 | From November 2014 |
| *4 | Only models with no TV receiver |
| *5 | Fibre optic cable (FOC) |
| *6 | see applicable current flow diagram for infotainment MOST bus |
| *7 | Wiring colour depends on equipment |
| *8 | see applicable current flow diagram for ring circuit break diagnostic |
| *9 | According to equipment |
| *10 | Only models with 4-doors |
| *11 | Only models with equipment for Korea |
Wiring Diagram AUDI A3 2016 - Control unit 1 for information electronics - Aerial amplifier 2 for TV
| J794 | Control unit 1 for information electronics |
| R11 | Aerial |
| R24 | Aerial amplifier |
| R55 | TV aerial 1 |
| R56 | TV aerial 2 |
| R82 | Aerial amplifier 1 for TV |
| R83 | Aerial amplifier 2 for TV |
| R93 | Radio aerial 2 |
| R111 | Aerial amplifier 2 |
| R112 | Aerial amplifier 3 |
| T2ai | 2-pin connector |
| T2fu | 2-pin connector |
| T2fv | 2-pin connector |
| T2n | 2-pin connector |
| T2o | 2-pin connector |
| T4v | 4-pin connector |
| T4z | 4-pin connector |
| 51 | Earth point, on right in luggage compartment |
| 385 | Earth connection 20, in main wiring harness |
| * | Only Cabriolet models |
| *2 | Only models with TV tuner |
| *3 | Only models with digital radio |
| *4 | Only models with 4-doors |
| *5 | Only models with equipment for Korea |
| *6 | Only models with 5-doors |
AUDI A3 2016 Overview of control units in interior of vehicle (3-door models)
Note:
| t | Overview of control units (4-door) → chapter |
| t | Overview of control units (5-door) → chapter |
| t | Overview of control units (Cabriolet) → chapter |
| 1 - | Control unit for information electronics 1 -J794- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI with radio): → chapter |
| q | Fitting location and connectors (MMI high): → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 2 - | Front passenger door control unit -J387- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 3 - | Display unit for front information display and operating unit control unit -J685- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 3 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI): → item |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 4 - | Air conditioning system control unit -J301- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 4 - | Climatronic control unit -J255- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 5 - | Interior mirror -EX5- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 5 - | Front camera for driver assist systems -R242- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 6 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (MMI): → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 7 - | Sliding sunroof adjustment control unit -J245- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| 8 - | Fuel pump control unit -J538- |
| q | Fitting location and connectors for petrol engines: → chapter |
| q | Fitting location and connectors for diesel engines: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 9 - | Digital sound package control unit -J525- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 10 - | Electronically controlled damping control unit -J250- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 11 - | Driver door control unit -J386- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 12 - | Steering column electronics control unit -J527- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 12 - | Electronic steering column lock control unit -J764- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 13 - | Control unit in dash panel insert -J285- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 14 - | CAN bus control unit -J916- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 15 - | Onboard supply control unit -J519- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 16 - | Entry and start authorisation control unit -J518- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 17 - | Park assist steering control unit -J791- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 17 - | Parking aid control unit -J446- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 18 - | Data bus diagnostic interface -J533- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 19 - | Airbag control unit -J234- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 20 - | Headlight range control unit -J431- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 20 - | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
Note:
|
| 1 - | Entry and start authorisation control unit -J518- |
| q | Only for models with US equipment |
| q | Fitting location and connectors: → chapter |
| 2 - | Control unit in dash panel insert -J285- |
| q | Fitting location and connectors: → chapter |
| 3 - | Control unit for information electronics 1 -J794- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI with radio): → chapter |
| q | Fitting location and connectors (MMI high): → chapter |
| 4 - | Front passenger door control unit -J387- |
| q | Fitting location and connectors: → chapter |
| 5 - | Display unit for front information display and operating unit control unit -J685- |
| q | Fitting location and connectors: → chapter |
| 5 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI): → item |
| 6 - | Air conditioning system control unit -J301- |
| q | Fitting location and connectors: → chapter |
| 6 - | Climatronic control unit -J255- |
| q | Fitting location and connectors: → chapter |
| 7 - | Interior mirror -EX5- |
| q | Fitting location and connectors: → chapter |
| 7 - | Front camera for driver assist systems -R242- |
| q | Fitting location and connectors: → chapter |
| 8 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (MMI): → chapter |
| 9 - | Electronically controlled damping control unit -J250- |
| q | Fitting location and connectors: → chapter |
| 10 - | Rear passenger side door control unit -J927- |
| q | Fitting location and connectors: → chapter |
| q | Overview (5-door): → item |
| 11 - | Sliding sunroof adjustment control unit -J245- |
| q | Fitting location and connectors: → chapter |
| 12 - | Rear driver side door control unit -J926- |
| q | Fitting location and connectors: → chapter |
| q | Overview (5-door): → item |
| 13 - | Fuel pump control unit -J538- |
| q | Fitting location and connectors for petrol engines: → chapter |
| q | Fitting location and connectors for diesel engines: → chapter |
| 14 - | Digital sound package control unit -J525- |
| q | Fitting location and connectors: → chapter |
| 15 - | Driver door control unit -J386- |
| q | Fitting location and connectors: → chapter |
| 16 - | Steering column electronics control unit -J527- |
| q | Fitting location and connectors: → chapter |
| 16 - | Electronic steering column lock control unit -J764- |
| q | Fitting location and connectors: → chapter |
| 17 - | CAN bus control unit -J916- |
| q | Fitting location and connectors: → chapter |
| 18 - | Onboard supply control unit -J519- |
| q | Fitting location and connectors: → chapter |
| 19 - | Entry and start authorisation control unit -J518- |
| q | Only for models without US equipment |
| q | For models with US equipment: → Pos. |
| q | Fitting location and connectors: → chapter |
| 20 - | Park assist steering control unit -J791- |
| q | Fitting location and connectors: → chapter |
| 20 - | Parking aid control unit -J446- |
| q | Fitting location and connectors: → chapter |
| 21 - | Data bus diagnostic interface -J533- |
| q | Fitting location and connectors: → chapter |
| 22 - | Airbag control unit -J234- |
| q | Fitting location and connectors: → chapter |
| 23 - | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location and connectors: → chapter |
| 23 - | Headlight range control unit -J431- |
| q | Fitting location and connectors: → chapter |
Note:
|
| 1 - | Entry and start authorisation control unit -J518- |
| q | Only for models with US equipment |
| q | Fitting location and connectors: → chapter |
| 2 - | Control unit in dash panel insert -J285- |
| q | Fitting location and connectors: → chapter |
| 3 - | Control unit for information electronics 1 -J794- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI with radio): → chapter |
| q | Fitting location and connectors (MMI high): → chapter |
| 4 - | Front passenger door control unit -J387- |
| q | Fitting location and connectors: → chapter |
| 5 - | Display unit for front information display and operating unit control unit -J685- |
| q | Fitting location and connectors: → chapter |
| 5 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI): → item |
| 6 - | Air conditioning system control unit -J301- |
| q | Fitting location and connectors: → chapter |
| 6 - | Climatronic control unit -J255- |
| q | Fitting location and connectors: → chapter |
| 7 - | Interior mirror -EX5- |
| q | Fitting location and connectors: → chapter |
| 7 - | Front camera for driver assist systems -R242- |
| q | Fitting location and connectors: → chapter |
| 8 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (MMI): → chapter |
| 9 - | Electronically controlled damping control unit -J250- |
| q | Fitting location and connectors: → chapter |
| 9 - | Engine sound generator control unit -J943- |
| q | Fitting location and connectors: → chapter |
| 10 - | Rear passenger side door control unit -J927- |
| q | Fitting location and connectors: → chapter |
| 11 - | Sliding sunroof adjustment control unit -J245- |
| q | Fitting location and connectors: → chapter |
| 12 - | Rear driver side door control unit -J926- |
| q | Fitting location and connectors: → chapter |
| 13 - | Fuel pump control unit -J538- |
| q | Fitting location and connectors for petrol engines: → chapter |
| q | Fitting location and connectors for diesel engines: → chapter |
| 14 - | Digital sound package control unit -J525- |
| q | Fitting location and connectors: → chapter |
| 15 - | Driver door control unit -J386- |
| q | Fitting location and connectors: → chapter |
| 16 - | Steering column electronics control unit -J527- |
| q | Fitting location and connectors: → chapter |
| 16 - | Electronic steering column lock control unit -J764- |
| q | Fitting location and connectors: → chapter |
| 17 - | CAN bus control unit -J916- |
| q | Fitting location and connectors: → chapter |
| 18 - | Onboard supply control unit -J519- |
| q | Fitting location and connectors: → chapter |
| 19 - | Entry and start authorisation control unit -J518- |
| q | Only for models without US equipment |
| q | For models with US equipment: → Pos. |
| q | Fitting location and connectors: → chapter |
| 20 - | Park assist steering control unit -J791- |
| q | Fitting location and connectors: → chapter |
| 20 - | Parking aid control unit -J446- |
| q | Fitting location and connectors: → chapter |
| 21 - | Data bus diagnostic interface -J533- |
| q | Fitting location and connectors: → chapter |
| 22 - | Airbag control unit -J234- |
| q | Fitting location and connectors: → chapter |
| 23 - | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location and connectors: → chapter |
| 23 - | Headlight range control unit -J431- |
| q | Fitting location and connectors: → chapter |
| 24 - | Emergency call module control unit and communication unit -J949- |
| q | Fitting location and connectors: → chapter |
Note:
|
| 1 - | Control unit for information electronics 1 -J794- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI with radio): → chapter |
| q | Fitting location and connectors (MMI high): → chapter |
| 2 - | Display unit for front information display and operating unit control unit -J685- |
| q | Fitting location and connectors: → chapter |
| 2 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (radio): → chapter |
| q | Fitting location and connectors (MMI): → item |
| 3 - | Front passenger door control unit -J387- |
| q | Fitting location and connectors: → chapter |
| 4 - | Air conditioning system control unit -J301- |
| q | Fitting location and connectors: → chapter |
| 4 - | Climatronic control unit -J255- |
| q | Fitting location and connectors: → chapter |
| 5 - | Interior mirror -EX5- |
| q | Fitting location and connectors: → chapter |
| 5 - | Front camera for driver assist systems -R242- |
| q | Fitting location and connectors: → chapter |
| 6 - | Multimedia system operating unit -E380- |
| q | Fitting location and connectors (MMI): → chapter |
| 7 - | Fuel pump control unit -J538- |
| q | Fitting location and connectors for petrol engines: → chapter |
| q | Fitting location and connectors for diesel engines: → chapter |
| 8 - | Driver door control unit -J386- |
| q | Fitting location and connectors: → chapter |
| 9 - | Digital sound package control unit -J525- |
| q | Fitting location and connectors: → chapter |
| 10 - | Electronically controlled damping control unit -J250- |
| q | Fitting location and connectors: → chapter |
| 11 - | Steering column electronics control unit -J527- |
| q | Fitting location and connectors: → chapter |
| 11 - | Electronic steering column lock control unit -J764- |
| q | Fitting location and connectors: → chapter |
| 12 - | Control unit in dash panel insert -J285- |
| q | Fitting location and connectors: → chapter |
| 13 - | CAN bus control unit -J916- |
| q | Fitting location and connectors: → chapter |
| 14 - | Onboard supply control unit -J519- |
| q | Fitting location and connectors: → chapter |
| 15 - | Entry and start authorisation control unit -J518- |
| q | Fitting location and connectors: → chapter |
| 16 - | Park assist steering control unit -J791- |
| q | Fitting location and connectors: → chapter |
| 16 - | Parking aid control unit -J446- |
| q | Fitting location and connectors: → chapter |
| 17 - | Data bus diagnostic interface -J533- |
| q | Fitting location and connectors: → chapter |
| 18 - | Airbag control unit -J234- |
| q | Fitting location and connectors: → chapter |
| 19 - | Headlight range control unit -J431- |
| q | Fitting location and connectors: → chapter |
| 19 - | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location and connectors: → chapter |
Note:
|
| 1 - | Special purpose vehicle control unit -J608- |
| q | for models with driving aids only |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 2 - | Lane change assist control unit -J769- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 3 - | Remote control receiver for auxiliary heater -R64- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| 4 - | Lane change assist control unit 2 -J770- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 5 - | Trailer detector control unit -J345- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 6 - | All-wheel drive control unit -J492- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 7 - | Reversing camera system control unit -J772- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
| 8 - | Aerial amplifier for mobile telephone -R86- |
| q | Fitting location and connectors: → chapter |
| q | Overview (4-door): → item |
| q | Overview (5-door): → item |
| q | Overview (Cabriolet): → item |
Note:
|
| 1 - | Special purpose vehicle control unit -J608- |
| q | Fitting location and connectors: → chapter |
| 1 - | TV tuner -R78- |
| q | Fitting location and connectors: → chapter |
| q | Overview (5-door): → item |
| 2 - | Lane change assist control unit -J769- |
| q | Fitting location and connectors: → chapter |
| 3 - | Lane change assist control unit 2 -J770- |
| q | Fitting location and connectors: → chapter |
| 4 - | Trailer detector control unit -J345- |
| q | Fitting location and connectors: → chapter |
| 5 - | Reversing camera system control unit -J772- |
| q | Fitting location and connectors: → chapter |
| 5 - | Remote control receiver for auxiliary heater -R64- |
| q | Fitting location and connectors: → chapter |
| 6 - | Aerial amplifier for mobile telephone -R86- |
| q | Fitting location and connectors: → chapter |
| 7 - | All-wheel drive control unit -J492- |
| q | Fitting location and connectors: → chapter |
Note:
|
| 1 - | Special purpose vehicle control unit -J608- |
| q | for models with driving aids only |
| q | Fitting location and connectors: → chapter |
| 2 - | Lane change assist control unit -J769- |
| q | Fitting location and connectors: → chapter |
| 3 - | Remote control receiver for auxiliary heater -R64- |
| q | Fitting location and connectors: → chapter |
| 4 - | Lane change assist control unit 2 -J770- |
| q | Fitting location and connectors: → chapter |
| 5 - | Trailer detector control unit -J345- |
| q | Fitting location and connectors: → chapter |
| 6 - | All-wheel drive control unit -J492- |
| q | Fitting location and connectors: → chapter |
| 7 - | Reversing camera system control unit -J772- |
| q | Fitting location and connectors: → chapter |
| 8 - | Aerial amplifier for mobile telephone -R86- |
| q | Fitting location and connectors: → chapter |
| 9 - | TV tuner -R78- |
| q | Fitting location and connectors: → chapter |
Note:
|
| 1 - | Hybrid battery unit -AX1- |
| q | Fitting location and connectors: → chapter |
| 2 - | Battery monitoring control unit -J367- |
| q | Fitting location and connectors: → chapter |
Note:
|
| 1 - | Aerial amplifier for mobile telephone -R86- |
| q | Fitting location and connectors: → chapter |
| 2 - | Lane change assist control unit -J769- |
| q | Fitting location and connectors: → chapter |
| 3 - | Lane change assist control unit 2 -J770- |
| q | Fitting location and connectors: → chapter |
| 4 - | Trailer detector control unit -J345- |
| q | Fitting location and connectors: → chapter |
| 4 - | Convertible roof actuation control unit -J256- |
| q | Fitting location and connectors: → chapter |
| 4 - | Reversing camera system control unit -J772- |
| q | Fitting location and connectors: → chapter |
| 4 - | Special purpose vehicle control unit -J608- |
| q | Fitting location and connectors: → chapter |
| 5 - | All-wheel drive control unit -J492- |
| q | Fitting location and connectors: → chapter |
|
| A - | Electronically controlled damping control unit -J250- |
| A1 - | 47-pin connector -T47a-, black |
|
| A - | Digital sound package control unit -J525- |
| A1 - | 38-pin connector, black |
| A2 - | 2-pin connector, black |
|
| A - | Reversing camera system control unit -J772- |
| A1 - | 20-pin connector -T20i-, black |
| A2 - | 2-pin connector -T2df-, green |
| A3 - | 2-pin connector -T2ep-, grey |
| A4 - | Vacant |
|
| A - | Fuel pump control unit -J538- |
| A1 - | 5-pin connector -T5c-, black |
|
| A - | Fuel pump control unit -J538- |
| A1 - | 6-pin, connector -T6e-, black |
|
| A - | Aerial amplifier for mobile telephone -R86- |
| A1 - | 4-pin connector -T4y-, black |
| A2 - | 2-pin connector -T2am-, violet |
| A3 - | 2-pin connector -T2al-, black |
| A - | Remote control receiver for auxiliary heater -R64- |
| A1 - | 6-pin, connector -T6s-, blue |
| A2 - | 2-pin connector |
|
| A - | Control unit in dash panel insert -J285- |
| A1 - | 18-pin connector -T18-, black |
|
| A - | Trailer detector control unit -J345- |
| A1 - | 16-pin connector -T16l-, black |
| A2 - | 12-pin connector -T12b-, red |
|
| A - | Electronic steering column lock control unit -J764- |
| A1 - | 16-pin connector -T16g-, black |
|
| A - | Lane change assist control unit 2 -J770- |
| A1 - | 12-pin connector -T12h-, black |
|
| A - | Lane change assist control unit -J769- |
| A1 - | 12-pin connector -T12g-, black |
|
| A - | Entry and start authorisation control unit -J518- |
| A1 - | 32-pin connector -T32a-, blue |
|
| A - | Air conditioning system control unit -J301- |
| A1 - | 16-pin connector -T16o- |
| A2 - | 20-pin connector -T20f-, black |
|
| A - | Climatronic control unit -J255- |
| A1 - | 16-pin connector -T16d- |
| A2 - | 16-pin connector -T16c- |
| A3 - | 20-pin connector -T20b-, black |
|
| A - | Onboard supply control unit -J519- |
| A1 - | 73-pin connector -T73a-, black |
| A2 - | 46-pin connector -T46b-, black |
| A3 - | 73-pin connector -T73c-, black |
|
| A - | Data bus diagnostic interface -J533- |
| A1 - | 20-pin connector -T20a-, red |
|
| A - | Airbag control unit -J234- |
| A1 - | 90-pin connector -T90-, yellow |
|
| A - | Parking aid control unit -J446-/ park assist steering control unit -J791- |
| A1 - | 26-pin connector -T26c-, black |
| A2 - | 18-pin connector -T18a-, black |
|
| A - | Driver door control unit -J386- |
| A1 - | 6-pin connector -T6f- |
| A2 - | 20-pin connector -T20c- |
| A3 - | 16-pin connector -T16e- |
| A4 - | 32-pin connector -T32b-, blue |
|
| A - | Front passenger door control unit -J387- |
| A1 - | 6-pin connector -T6g- |
| A2 - | 20-pin connector -T20d- |
| A3 - | 16-pin connector -T16f- |
| A4 - | 32-pin connector -T32c-, blue |
|
| A - | Steering column electronics control unit -J527- |
| A1 - | 4-pin connector -T4-, yellow |
| A2 - | 16-pin connector -T16a-, black |
|
| A - | Headlight range control unit -J431- |
| A1 - | 26-pin connector -T26a-, red |
| B - | Control unit for cornering light and headlight range control -J745- |
| B1 - | 26-pin connector -T26b-, black |
|
| A - | CAN bus control unit -J916- |
| A1 - | 9-pin connector -T9- |
|
| A - | Special purpose vehicle control unit -J608- |
| A1 - | 16-pin connector -T16h-, brown |
| A2 - | 20-pin connector -T20l-, red |
| A3 - | Vacant |
| A4 - | 16-pin connector -T16b-, black |
| A5 - | 12-pin connector -T12d-, black |
|
| A - | Rear driver side door control unit -J926- |
| A1 - | 6-pin connector -T6al- |
| A2 - | 20-pin connector -T20j- |
| A3 - | 16-pin connector -T16i- |
|
| A - | Rear passenger side door control unit -J927- |
| A1 - | 6-pin connector -T6am- |
| A2 - | 20-pin connector -T20k- |
| A3 - | 16-pin connector -T16j- |
|
| A - | Aerial amplifier for mobile telephone -R86- |
| A1 - | 2-pin connector -T2am-, violet |
| A2 - | 4-pin connector -T4y-, black |
| A3 - | 2-pin connector -T2al-, black |
|
| A - | Reversing camera system control unit -J772- |
| A1 - | 20-pin connector -T20i-, black |
| A2 - | 2-pin connector -T2df-, green |
| A3 - | 2-pin connector -T2ep-, grey |
| A4 - | Vacant |
|
| A - | Remote control receiver for auxiliary heater -R64- |
| A1 - | 6-pin, connector -T6s-, blue |
| A2 - | 2-pin connector |
|
| A - | Trailer detector control unit -J345- |
| A1 - | 16-pin connector -T16l-, black |
| A2 - | 12-pin connector -T12b-, red |
|
| A - | Special purpose vehicle control unit -J608- |
| A1 - | 16-pin connector -T16h-, brown |
| A2 - | 20-pin connector -T20l-, black |
| A3 - | Vacant |
| A4 - | 16-pin connector -T16b-, black |
| A5 - | 12-pin connector -T12d-, black |
|
| 1 - | Special purpose vehicle control unit -J608- |
| A - | 12-pin connector -T12d-, black |
| B - | 16-pin connector -T16b-, black |
| D - | 20-pin connector -T20l-, red |
| E - | 16-pin connector -T16h-, brown |
|
| A - | Aerial amplifier for mobile telephone -R86- |
| A1 - | 4-pin connector -T4y-, black |
| A2 - | 2-pin connector -T2am-, violet |
| A3 - | 2-pin connector -T2al-, black |
|
| A - | Trailer detector control unit -J345- |
| A1 - | 16-pin connector -T16l-, black |
| A2 - | 12-pin connector -T12b-, red |
|
| A - | Driver door control unit -J386- |
| A1 - | 6-pin connector -T6f- |
| A2 - | 20-pin connector -T20c- |
| A3 - | 16-pin connector -T16e- |
| A4 - | 32-pin connector -T32b-, blue |
|
| A - | Front passenger door control unit -J387- |
| A1 - | 6-pin connector -T6g- |
| A2 - | 20-pin connector -T20d- |
| A3 - | 16-pin connector -T16f- |
| A4 - | 32-pin connector -T32c-, blue |
|
| A - | Convertible roof actuation control unit -J256- |
| A1 - | 16-pin connector -T16q-, brown |
| A2 - | 20-pin connector -T20m-, black |
| A3 - | 10-pin connector -T10aa-, black |
|
| A - | Reversing camera system control unit -J772- |
| A1 - | 20-pin connector -T20i-, black |
| A2 - | 2-pin connector -T2df-, green |
| A3 - | 2-pin connector -T2ep- |
| A4 - | Vacant |
|
| A - | Interior mirror -EX5- |
| A1 - | 8-pin connector -T8a-, black |
| A2 - | 3-pin connector -T3f-, black |
|
| A - | All-wheel drive control unit -J492- |
| A1 - | 2-pin connector -T2ax- |
| A2 - | 8-pin connector -T8y-, black |
|
| A - | Display unit for front information display and operating unit control unit -J685- |
| A1 - | 8-pin connector -T8ai-, black |
| A2 - | 4-pin connector -T4ao-, white |
| q | Only for MMI with radio |
| A2 - | 4-pin connector -T4ao-, black |
| q | For MMI high only |
|
| A - | Multimedia system operating unit -E380- |
| A1 - | 20-pin connector -T20h-, red |
|
| A - | Front camera for driver assist systems -R242- |
| A1 - | 12-pin connector -T12ac-, black |
|
| A - | Control unit for information electronics 1 -J794- |
| A1 - | Connector block, consisting of: |
| t | 8-pin connector -T8ag- (plug A), brown |
| t | 12-pin connector -T12x- (plug B), blue |
| t | 12-pin connector -T12y- (plug C), green |
| t | 8-pin connector -T8j- (plug D), black |
| t | 12-pin connector -T12v- (plug E), grey |
| A2 - | 2-pin connector -T2t-, black |
| A3 - | 4-pin connector -T4al-, grey |
| A4 - | 4-pin connector -T4w-, yellow |
| A5 - | 4-pin connector -T4ar-, yellow |
| A6 - | 2-pin connector -T2ew- |
| A7 - | 4-pin connector -T4v- |
| A8 - | 2-pin connector -T2ac-, blue |
| A9 - | Connector for models with LTE aerial 1 -R297- and LTE aerial 2 -R306- |
| t | 4-pin connector -T4as-, violet |
| A9 - | Connector for models with telephone aerial -R65- |
| t | 2-pin connector -T2af-, violet |
| A10 - | 2-pin connector -T2ad-, black |
| q | Only for models without US equipment |
| A10 - | 2-pin connector -T2ad-, brown |
| q | Only for models with US equipment |
|
| A - | TV tuner -R78- |
| A1 - | 2-pin connector -T2ey-, brown |
| A2 - | 4-pin connector -T4ab-, green |
| A3 - | 2-pin connector -T2ev-, black |
| A4 - | 12-pin connector -T12aa-, black |
|
| A - | TV tuner -R78- |
| A1 - | 2-pin connector -T2ey-, brown |
| A2 - | 4-pin connector -T4ab-, green |
| A3 - | 2-pin connector -T2ev-, black |
| A4 - | 12-pin connector -T12aa-, black |
|
| A - | Sliding sunroof adjustment control unit -J245- |
| A1 - | 10-pin connector -T10o- |
|
| A - | Control unit for information electronics 1 -J794- |
| A1 - | Connector block, consisting of: |
| t | 8-pin connector -T8ag- (plug A), brown |
| t | 12-pin connector -T12x- (plug B), blue |
| t | 12-pin connector -T12y- (plug C), green |
| t | 8-pin connector -T8j- (plug D), black |
| t | 12-pin connector -T12v- (plug E), grey |
| A2 - | 4-pin connector -T4al- (if fitted) |
| A3 - | 4-pin connector -T4v- |
|
| A - | Multimedia system operating unit -E380- |
| A1 - | 8-pin connector -T8k-, black |
|
| A - | Control unit for information electronics 1 -J794- |
| A1 - | Connector block, consisting of: |
| t | 8-pin connector -T8ag- (plug A), brown |
| t | 12-pin connector -T12x- (plug B), blue |
| t | 12-pin connector -T12y- (plug C), green |
| t | 8-pin connector -T8j- (plug D), black |
| t | 12-pin connector -T12v- (plug E), grey |
| A2 - | 2-pin connector -T2t-, black |
| A3 - | 2-pin connector -T2ac-, blue |
| A4 - | 4-pin connector -T4w-, yellow |
| A5 - | 4-pin connector -T4al-, violet |
| A6 - | 2-pin connector -T2ad- |
| A7 - | 4-pin connector -T4v- |
|
| 1 - | Hybrid battery unit -AX1- |
| 2 - | High-voltage wiring harness for high-voltage battery -PX1- |
| A - | 14-pin connector -T14k-, black |
|
| 1 - | Battery monitoring control unit -J367- |
| A - | 2-pin connector -T2fk-, black |
|
| 1 - | Emergency call module control unit and communication unit -J949- |
| A - | 4-pin connector -T4bn-, violet |
| B - | 26-pin connector -T26e-, black |
|
| 1 - | Engine sound generator control unit -J943- |
| A - | 12-pin connector -T12l-, black |
|
| 1 - | Entry and start authorisation control unit -J518- |
| A - | 32-pin connector -T32a-, blue |













































































































































