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Wiring Diagram VW EOS 2015 - Multimedia system control unit
| J503 | Control unit with display for radio and navigation |
| J533 | Data bus diagnostic interface |
| J650 | Multimedia system control unit |
| R | Radio |
| R199 | Connection for external audio sources |
| T3x | 3-pin connector |
| T12 | 12-pin connector |
| T12b | 12-pin connector |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
Wiring Diagram VW EOS 2015 - Multimedia system control unit - USB connection holder
| J650 | Multimedia system control unit |
| R193 | USB connection holder |
| T4bj | 4-pin connector, black |
| T30 | 30-pin connector |
VW EOS 2015 Overview of control units
| 2 - | Output module for left headlight -J667- |
| q | on front left gas discharge headlight |
| 4 - | Output module for right headlight -J668- |
| q | on front right gas discharge headlight |
| 6 - | Auxiliary heater control unit -J364- |
| q | Fitting location |
| q | Connector assignment |
| q | Connector assignment |
| q | 121-pin connector assignment |
| q | 154-pin connector assignment |
| q | Connector assignment |
| q | Connector assignment |
| Chip card reader control unit -J676- / TV card reader -R204- |
| q | Fitting location |
| q | Connector assignment |
| 16 - | Auxiliary air heater control unit -J604- |
| q | To April 2007 |
| q | Fitting location |
| q | Connector assignment |
| q | Fitting location, from model year 2010 |
| q | Connector assignment, to model year 2009 |
| q | Fitting location, from model year 2010 |
| Control unit in dash panel insert -J285- / Immobiliser control unit -J362- |
| q | Connector assignment to April 2009 |
| q | Connector assignment from May 2009 |
| q | Connector assignment to April 2009 |
| q | Fitting location from May 2009 |
| q | Connector assignment from May 2009 52-pin connector -T52 A--black- |
| q | Connector assignment from May 2009 52-pin connector -T52 B--white- |
| q | Connector assignment from May 2009 52-pin connector -T52 C--brown- |
| 27 - | Power steering control unit -J500- |
| q | Fitting location |
| q | Connector assignment |
| q | Connector assignment from May 2009 |
| q | Connector assignment |
|
|
| Connector assignment: |
| A - | -Auxiliary heater control unit -J364- |
| Connector: |
| B - | 2-pin connector -T2k- on wiring harness |
| C - | 8-pin connector -T8f- on wiring harness |
|
|
| Connector assignment: |
| A - | ABS control unit -J104- |
| Connector: |
| B - | 47-pin connector -T47- on wiring harness |
|
|
| 121-pin connector assignment: |
| A - | Engine control unit -J623- |
| Connector: |
| B - | 81-pin connector -T81- on wiring harness |
| C - | 40-pin connector -T40- on wiring harness |
Note
| -T121- is comprised of items B and C. |
|
| 154-pin connector assignment: |
| A - | Engine control unit -J623- |
| Connector: |
| B - | 94-pin connector -T94- on wiring harness |
| C - | 60-pin connector -T60- on wiring harness |
Note
| -T154- is comprised of items B and C. |
|
|
|
| Connector assignment: |
| A - | Control unit for cornering light and headlight range control -J745- |
| Multi-pin connections: |
| B - | 26-pin connector -T26b- on wiring harness |
|
|
| Connector assignment: |
| A - | Convenience system central control unit -J393- |
| Connector: |
| B - | 18-pin connector -T18- on wiring harness |
| C - | 8-pin connector -T8n- on wiring harness |
| D - | 6-pin connector -T6- on wiring harness |
|
|
|
| Connector assignment: |
| A - | Airbag control unit -J234- |
| Connector: |
| B - | 75-pin connector -T75- on wiring harness |
|
|
|
| Connector assignment: |
| A - | Data bus diagnostic interface -J533- |
| Connector: |
| B - | 20-pin connector -T20- on wiring harness |
|
| Entry and start authorisation control unit -J518- |
| 1 - | Entry and start authorisation control unit -J518- |
| next to steering column, near centre console |
| Connector: |
| q | -A-32-pin connector -T32e- |
|
|
| Multifunction steering wheel control unit -J453- |
| 1 - | Multifunction steering wheel control unit -J453- |
| Inside the operating unit of the multifunction buttons on left of steering wheel -E440- |
| Connectors: |
| q | -A-6-pin connector -T6bw- |
| q | -B-12-pin connector -T12k- |
|
|
| Connector assignment: |
| A - | Steering column electronics control unit |
| B - | Airbag connector: |
| 1 - | Airbag 1 - |
| 2 - | Airbag 1 + |
| 3 - | Airbag 2 + |
| 4 - | Airbag 2 - |
| C - | Cruise control system (CCS) and turn signal connector: |
| 1 - | Cruise control system terminal 15 voltage supply |
| 2 - | CCS off |
| 3 - | Res (+), Set (-) |
| 4 - | CCS on/off |
| 5 - | Earth CCS |
| 6 - | Cruise control system terminal 58 illumination |
| 7 - | Headlight flasher |
| 8 - | Main beam |
| 9 - | Turn signal |
| 10 - | Turn signal earth |
| D - | 20-pin connector -T20d- on wiring harness |
| 1 - | Vacant |
| 2 - | Vacant |
| 3 - | Vacant |
| 4 - | Vacant |
| 5 - | Vacant |
| 6 - | Vacant |
| 7 - | Vacant |
| 8 - | Vacant |
| 9 - | Vacant |
| 10 - | Vacant |
| 11 - | Diagnostic interface for powertrain CAN data bus, low |
| 12 - | Diagnostic interface for powertrain CAN data bus, high |
| 13 - | Vacant |
| 14 - | Diagnostic interface for convenience CAN data bus, high |
| 15 - | Diagnostic interface for convenience CAN data bus, low |
| 16 - | Multifunction switch (dual clutch gearbox only) |
| 17 - | Terminal 15 |
| 18 - | Terminal 50 |
| 19 - | Terminal 30 |
| 20 - | Terminal 31 |
| E - | 4-pin connector -T4k- on wiring harness: |
| 1 - | Airbag 1 - |
| 2 - | Airbag 1 + |
| 3 - | Airbag 2 + |
| 4 - | Airbag 2 - |
|
| F = connector, ignition/starter switch and ignition key removal lock: |
| 1 - | Vacant |
| 2 - | Vacant |
| 3 - | Ignition key withdrawal lock on terminal 30 |
| 4 - | Ignition key withdrawal lock earth |
| 5 - | Vacant |
| 6 - | Vacant |
| 7 - | Ignition/starter switch output terminal 50 |
| 8 - | Ignition/starter switch terminal 30 |
| 9 - | Ignition/starter switch output terminal S |
| 10 - | Ignition/starter switch output terminal X |
| 11 - | Ignition/starter switch output terminal P |
| 12 - | Ignition/starter switch output terminal 15 |
| G = connector wiper, interval potentiometer and multifunction display: |
| 1 - | Wiper switch signal |
| 2 - | Earth wiper |
| 3 - | Rear lid wash/wipe signal |
| 4 - | Vacant |
| 5 - | MFD signal |
| 6 - | Earth MFD, interval potentiometer |
| 7 - | Intermittent operation speeds signal |
| 8 - | Vacant |
| H - | Steering angle sensor connector: |
| 1 - | Photoelectric beam 5 |
| 2 - | Photoelectric beam 3 |
| 3 - | Photoelectric beam 1 |
| 4 - | 12 Volt voltage supply |
| 5 - | 5 Volt voltage supply |
| 6 - | Photoelectric beam 6 |
| 7 - | Photoelectric beam 4 |
| 8 - | Photoelectric beam 2 |
| 9 - | earth |
| 10 - | Photoelectric beam 7 |
| I - | Mounting for coil connector: |
| 1 - | Vacant |
| 2 - | Vacant |
| 3 - | Airbag 1 + |
| 4 - | Airbag 1 - |
| 5 - | Airbag 2 + |
| 6 - | Airbag 2 - |
| 7 - | Earth for coil connector, multifunction steering wheel and signal horn |
| 8 - | CCS in detent -Off-, signal horn |
| 9 - | LIN bus, heated steering wheel temperature sensor |
| 10 - | Multifunction steering wheel voltage supply terminal 15 |
|
| Steering column electronics control unit -J527- |
| 1 - | Steering column electronics control unit -J527- |
| Near steering column switch |
| Connectors: |
| q | -A-16-pin connector -T16ls- |
| q | -B-4-pin connector -T4k- |
|
| Electronic steering column lock control unit -J764- |
| 1 - | Electronic steering column lock control unit -J764- |
| Behind steering column trim |
| Connector: |
| q | -A-16-pin connector -T16ot- |
|
| 36-pin connector -T36- on wiring harness: |
| 1 - | Voltage supply positive, terminal 15 |
| 2 - | Voltage supply positive, terminal 30 |
| 3 - | Vacant |
| 4 - | Vacant |
| 5 - | Brake fluid level warning lamp -K33- |
| 6 - | Handbrake warning switch -F9- |
| 7 - | Immobiliser reader coil -D2- |
| 8 - | Immobiliser reader coil -D2- |
| 9 - | Vacant |
| 10 - | Vacant |
| 11 - | Vacant |
| 12 - | Data bus diagnostic interface -J533- Dash panel CAN, low |
| 13 - | Data bus diagnostic interface -J533- Dash panel CAN, high |
| 14 - | Vacant |
| 15 - | Data bus diagnostic interface -J533- Dash panel CAN wake-up wire |
| 16 - | Vacant |
| 17 - | Fuel gauge -G1- (full) |
| 18 - | Fuel gauge -G1- (empty) |
| 19 - | Earth connection 2, in main wiring harness -367- Terminal 31 |
| 20 - | Vacant |
| 21 - | Vacant |
| 22 - | Front left brake pad wear sender -G34- |
| 23 - | Vacant |
| 24 - | Vacant |
| 25 - | Oil pressure switch -F1- |
| 26 - | Oil level and oil temperature sender -G266- |
| 27 - | Vacant |
| 28 - | Vacant |
| 29 - | Vacant |
| 30 - | Vacant |
| 31 - | Vacant |
| 32 - | Vacant |
| 33 - | Earth connection (sender earth) in interior wiring harness -401- |
| 34 - | Windscreen washer fluid level sender -G33- |
| 35 - | Coolant shortage indicator sender -G32- |
| 36 - | Ambient temperature sensor -G17- |
|
| 32-pin connector -T32- on wiring harness: |
| 1 - | Fuel gauge sender -G- (full) |
| 2 - | Fuel gauge sender -G- (empty) |
| 3 - | Vacant |
| 4 - | Vacant |
| 5 - | Vacant |
| 6 - | Vacant |
| 7 - | Immobiliser reader coil -D2- |
| 8 - | Immobilizer reader coil 2 -D3- |
| 9 - | Vacant |
| 10 - | Vacant |
| 11 - | Oil level and oil temperature sender -G266- |
| 12 - | Vacant |
| 13 - | Vacant |
| 14 - | Vacant |
| 15 - | Front left brake pad wear sender -G34- |
| 16 - | Earth connection 22, in main wiring harness -367- |
| 17 - | Washer fluid level warning lamp -K37- |
| 18 - | Coolant temperature and coolant shortage warning lamp -K28- |
| 19 - | Ambient temperature sensor -G17- |
| 20 - | Earth connection 1 (sender earth) in main wiring harness -410- |
| 21 - | Vacant |
| 22 - | Vacant |
| 23 - | Vacant |
| 24 - | Vacant |
| 25 - | Handbrake warning lamp -K139- |
| 26 - | Brake fluid level warning lamp -K33- |
| 27 - | Oil pressure warning lamp -K3- |
| 28 - | Data bus diagnostic interface -J533- Dash panel CAN, high |
| 29 - | Data bus diagnostic interface -J533- Dash panel CAN, low |
| 30 - | Vacant |
| 31 - | Fuse 2 on fuse holder C -SC2- Terminal 15a |
| 32 - | Fuse 6 on fuse holder B -SB6- Terminal 30a |
|
| Parking aid control unit -J446- / park assist steering control unit -J791- |
| 1 - | Parking aid control unit -J446- / park assist steering control unit -J791- |
| near onboard supply control unit |
| Connectors: |
| q | -A-16-pin connector -T16h- |
| q | -B-12-pin connector -T12y- |
| q | -C-12-pin connector -T12l- |
|
|
| Connector assignment: |
| A = 11-pin connector -T11b- on wiring harness |
| 1 - | Terminal 30 |
| 2 - | Right dipped beam bulb/ right gas discharge light control unit |
| 3 - | Right main beam bulb (not for xenon) |
| 4 - | Right fog light bulb |
| 5 - | Right dipped beam screen motor (xenon) |
| 6 - | Front right turn signal bulb |
| 7 - | Left side light bulb |
| 8 - | Vacant |
| 9 - | earth |
| 10 - | Fuel pump control unit |
| 11 - | Terminal 50 voltage supply relay |
| B = 12-pin connector -T12a- on wiring harness: |
| 1 - | Right reversing light bulb, automatic anti-dazzle interior mirror |
| 2 - | Vacant |
| 3 - | Vacant |
| 4 - | Rear left fog light bulb |
| 5 - | Right brake light bulb |
| 6 - | Vacant |
| 7 - | Footwell lighting bulb front left, footwell lighting bulb front right |
| 8 - | Vacant |
| 9 - | Right tail light bulb |
| 10 - | Rear right turn signal bulb |
| 11 - | Left interior light, right interior light, button illumination bulb |
| 12 - | Terminal 58d |
|
| C = 12-pin connector -T12m- on wiring harness: |
| 1 - | Heated driver seat control unit, heated front passenger seat control unit |
| 2 - | Left brake light bulb |
| 3 - | Vacant |
| 4 - | Vacant |
| 5 - | Vacant |
| 6 - | Vacant |
| 7 - | Vacant |
| 8 - | Number plate light |
| 9 - | Additional brake light bulb |
| 10 - | Left tail light bulb |
| 11 - | Rear left turn signal bulb |
| 12 - | Left reversing light bulb (only models without rear left fog light bulb) |
| D = 11-pin connector -T11c- on wiring harness: |
| 1 - | Terminal 30 |
| 2 - | Left fog light bulb |
| 3 - | Left headlight main beam bulb |
| 4 - | Left headlight dipped beam bulb |
| 5 - | earth |
| 6 - | Left dipped beam screen motor |
| 7 - | Bridge to T8a/2- |
| 8 - | Headlight washer system relay |
| 9 - | Vacant |
| 10 - | Right side light bulb |
| 11 - | Front left turn signal bulb |
| E = 16-pin connector -T16k- on wiring harness: |
| 1 - | Lighting switch terminal 58 |
| 2 - | Brake light switch |
| 3 - | Vacant |
| 4 - | Vacant |
| 5 - | Vacant |
| 6 - | Fog light switch |
| 7 - | Earth (only models with manual gearbox not for American markets) |
| 7 - | Clutch position sender (only models with manual gearbox for American markets) |
| 8 - | Lighting switch terminal 56 |
| 9 - | Vacant |
| 10 - | Vacant |
| 11 - | Vacant |
| 12 - | Vacant |
| 13 - | Rear fog light switch |
| 14 - | Light switch, driving light assist |
| 15 - | Vacant |
| 16 - | Light switch (daytime running lights) |
|
| F = 8-pin connector -T8a- on wiring harness: |
| 1 - | Terminal 50 voltage supply relay |
| 2 - | Bridge to Connector -T11c/7- |
| 3 - | Windscreen wiper motor, rain and light sensor (LIN bus) |
| 4 - | Alternator |
| 5 - | Bonnet contact switch |
| 6 - | Vacant |
| 7 - | Terminal 30 |
| 8 - | Terminal 31 |
| G = 12-pin connector -T12n- on wiring harness: |
| 1 - | Steering column electronics control unit terminal 50 |
| 2 - | Indicator lamp for hazard warning light |
| 3 - | Vacant |
| 4 - | Switch and instrument illumination regulator |
| 5 - | Vacant |
| 6 - | Vacant |
| 7 - | Convenience CAN bus low |
| 8 - | Convenience CAN bus high |
| 9 - | Hazard warning light switch |
| 10 - | Switch and instrument illumination regulator |
| 11 - | Steering column electronics control unit terminal 15 |
| 12 - | Switch and instrument illumination regulator |
| H = 12-pin connector : |
| - | Pin connector H is vacant. |
|
| I = 2-pin connector -T2z- on wiring harness: |
| 1 - | Fuses terminal 30 |
| 2 - | Terminal 75a |
| J = 6-pin connector -T6l- on wiring harness: |
| 1 - | Washer pump fuse |
| 2 - | Washer pump |
| 3 - | Horn fuse |
| 4 - | Washer pump |
| 5 - | earth |
| 6 - | Treble tone horn, bass tone horn |
| K = 10-pin connector -T10- on wiring harness: |
| 1 - | Heated rear window |
| 2 - | Vacant |
| 3 - | Vacant |
| 4 - | Vacant |
| 5 - | Fuse terminal 30 |
| 6 - | Heated rear window fuse |
| 7 - | Vacant |
| 8 - | Vacant |
| 9 - | Vacant |
| 10 - | Terminal 30g |
| L = 2-pin connector -T2t- - on wiring harness: |
| 1 - | Fuse terminal 30 |
| 2 - | Interior terminal 15 |
|
