Wiring Diagram VW EOS 2012 - 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 2012 - 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 2012 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 |
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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 |
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Connector assignment: |
A - | ABS control unit -J104- |
Connector: |
B - | 47-pin connector -T47- on wiring harness |
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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. |
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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. |
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Connector assignment: |
A - | Control unit for cornering light and headlight range control -J745- |
Multi-pin connections: |
B - | 26-pin connector -T26b- on wiring harness |
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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 |
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Connector assignment: |
A - | Airbag control unit -J234- |
Connector: |
B - | 75-pin connector -T75- on wiring harness |
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Connector assignment: |
A - | Data bus diagnostic interface -J533- |
Connector: |
B - | 20-pin connector -T20- on wiring harness |
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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- |
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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- |
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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 - |
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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 |
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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- |
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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- |
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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- |
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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 |
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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- |
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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 |
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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) |
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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. |
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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 |
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