Wiring Diagram SEAT TOLEDO 2015 - Battery - steering column electronics control unit
A | Battery |
B | Starter |
C | Alternator |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
SA1 | Fuse 1 on fuse holder/battery |
SB2 | Fuse 2 on fuse holder |
T20d | 20-pin connector |
T40 | 40-pin connector, under electronics box, in left engine compartment |
368 | Earth connection 3, in main wiring harness |
382 | Earth connection 17, in main wiring harness |
507 | Screw connection (30), on fuse holder on battery |
* | only models with alternator 90A/110A |
** | only models with alternator 140A |
Wiring Diagram SEAT TOLEDO 2015 - Horn plate - driver side airbag igniter - multifunction buttons on left in steering wheel - operating unit in steering wheel
E221 | Operating unit in steering wheel |
E440 | Multifunction buttons on left in steering wheel |
F138 | Airbag coil connector |
H | Horn plate |
J234 | Airbag control unit, behind the lower console |
J519 | Onboard supply control unit |
J527 | Steering column electronics control unit |
N95 | Driver side airbag igniter |
T4f | 4-pin connector |
T5k | 5-pin connector |
T12f | 12-pin connector |
T20d | 20-pin connector |
T50 | 50-pin connector |
T75 | 75-pin connector |
Wiring Diagram SEAT TOLEDO 2015 - Multifunction buttons on right in steering wheel - operating unit in steering wheel
E221 | Operating unit in steering wheel |
E441 | Multifunction buttons on right in steering wheel |
J519 | Onboard supply control unit |
Wiring Diagram SEAT TOLEDO 2015 - Dash panel insert - data bus diagnostic interface
J285 | Display control unit in dash panel insert |
J503 | Control unit with display for radio and navigation system |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface, on left under dash panel |
R | Radio |
R36 | Telephone transmitter and receiver unit |
T16c | 16-pin connector, on radio, consists of two 8-pin connectors |
T20 | 20-pin connector |
T36 | 36-pin connector |
T54 | 54-pin connector |
A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
SEAT TOLEDO 2015 Control units overview
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Connector assigment |
q | Description of signal, from November 2005 |
q | Description of signal, from November 2007 |
Headlight range control, control unit -J431- / Cornering light and headlight range control unit -J745- |
q | Location |
q | Connector assigment |
q | Connector assigment |
|
Connector assigment: |
A - | Convenience system central control unit -J393- |
Pin connector: |
B - | is not installed |
C - | 18-pin connector -T18- |
D - | 8-pin connector -T8- |
E - | 6-pin connector -T6- |
F - | 18-pin connector -T18a- |
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|
Connector assigment: |
A - | Airbag control unit -J234- |
Pin connector: |
B - | 50-pin connector -T50- |
Back to overview |
Connector assigment: |
A - | Airbag control unit -J234- |
Pin connector: |
B - | 75-pin connector -T75- |
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|
Connector assigment: |
A - | Front passenger door control unit -J387- |
Pin connectors: |
B - | 20-pin connector -T20h- |
C - | 16-pin connector -T16a- |
D - | 32-pin connector -T32a- |
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|
Connector assigment: |
A - | Rear right door control unit -J389- |
Pin connector: |
B - | 18-pin connector -T18c- |
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|
Connector assigment: |
A - | Fuel pump control unit -J538- |
q | Engines BLR, BLY, BVY, BVZ, BWA, BZB and CAXC |
Pin connector: |
B - | 10-pin connector -T10l- |
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|
Connector assigment: |
A - | Rear left door control unit -J388- |
Pin connector: |
B - | 18-pin connector -T18b- |
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|
Connector assigment: |
A - | Sliding sunroof adjustment control unit -J245- |
Pin connectors: |
B - | 6-pin connector -T6c- |
C - | 6-pin connector -T6d- |
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|
Connector assigment: |
A - | Driver door control unit -J386- |
Pin connectors: |
B - | 20-pin connector -T20g- |
C - | 16-pin connector -T16b- |
D - | 32-pin connector -T32- |
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|
Connector assigment: |
A - | Data bus diagnostic interface -J533- |
Pin connector: |
B - | 20-pin connector -T20- |
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|
Connector assigment: |
A - | Steering column electronics control unit -J527- |
Pin connectors: |
B - | 4-pin connector, Tiptronic switch |
C - | 10-pin connector, gear stick illumination and CCS |
D - | 12-pin connector, ignition/starter switch and ignition key withdrawal lock |
E - | 8-pin connector, windscreen wiper switch and multifunction switch |
F - | 10-pin connector, steering angle sender (from May 2008, for left-handdrive vehicles only) |
G - | 10-pin connector, airbag coil connector, operating unit and horn in steering wheel |
H - | 4-pin connector -T4f- |
J - | 20-pin connector -T20d- |
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|
Connector assigment: |
Pin connectors: |
A - | 11-pin connector |
B - | 12-pin connector |
C - | 12-pin connector |
D - | 11-pin connector |
E - | 16-pin connector |
F - | 8-pin connector |
G - | 12-pin connector |
H - | Vacant |
I - | 2-pin connector |
J - | 6-pin connector |
K - | 10-pin connector |
L - | 2-pin connector |
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Description of signal for onboard supply control unit -J519-, from November 2007 |
Connector | Pin | Terminal | Equipment H | Equipment M |
A | 1 | Supply (30), right lights | x | x |
A | 2 | Right dipped beam signal output | x | x |
A | 3 | Right main beam signal output | x | x |
A | 4 | Right fog light signal output | x | - |
A | 5 | Signal output for the activation of the gas discharge headlights on the right | x | - |
A | 6 | Signal output for front right turn signal | x | x |
A | 7 | Front left side light signal output | x | x |
A | 8 | Signal output for left side repeater turn signal | x | x |
A | 9 | Signal earth (31), left lights | x | x |
A | 10 | Fuel pump relay signal output | x | x |
A | 11 | Voltage supply relay (50) signal output | x | x |
B | 1 | Right reversing light signal output | x | x |
B | 2 | - | - | |
B | 3 | - | - | |
B | 4 | Signal output for rear left fog light | x | x |
B | 5 | Right brake and tail light signal output (Altea XL and Freetrack) | x | x |
B | 6 | - | - | |
B | 7 | Footwell light signal output | x | x |
B | 8 | - | - | |
B | 9 | Right brake and tail light signal output (Altea and Toledo), right tail light signal output (Altea XL and Freetrack) | x | x |
B | 10 | Signal output for rear right turn signal | x | x |
B | 11 | Interior lighting signal output, door contact switch | x | x |
B | 12 | Illumination - switches and instruments (58d) signal output | x | x |
C | 1 | Signal output for switching heated seat off | x | x |
C | 2 | Left brake and tail light signal output (Altea XL and Freetrack) | x | x |
C | 3 | Signal output for rear right fog light | x | x |
C | 4 | - | - | |
C | 5 | Left seat backrest switch signal input | x | x |
C | 6 | Right seat backrest switch signal input | x | x |
C | 7 | - | - | |
C | 8 | Number plate light signal output | x | x |
C | 9 | High level brake light signal output | x | x |
C | 10 | Left brake and tail light signal output (Altea and Toledo), left tail light signal output (Altea XL and Freetrack) | x | x |
C | 11 | Left tail light signal output | x | x |
C | 12 | Left reversing light signal output | x | x |
D | 1 | Supply (30), left lights | x | x |
D | 2 | Left fog light signal output | x | - |
D | 3 | Left main beam signal output | x | x |
D | 4 | Left dipped beam signal output | x | x |
D | 5 | Signal earth (31), right lights | x | x |
D | 6 | Signal output for the activation of the gas discharge headlights on the left | x | - |
D | 7 | Supply (15) output signal, engine relay | x | x |
D | 8 | Headlight washer system relay signal output | x | x |
D | 9 | Signal output for right side repeater turn signal | x | x |
D | 10 | Front right side light signal output | x | x |
D | 11 | Signal output for front left turn signal | x | x |
E | 1 | Side light switch signal input | x | x |
E | 2 | Brake light switch signal input | x | x |
E | 3 | Come-Home potentiometer earth | x | x |
E | 4 | Come-Home potentiometer supply | x | x |
E | 5 | - | - | |
E | 6 | Fog light switch signal input | x | - |
E | 7 | Selector lever lock P/N signal input | x | x |
E | 8 | Dipped beam switch input signal | x | x |
E | 9 | - | - | |
E | 10 | - | - | |
E | 11 | - | - | |
E | 12 | Come-Home potentiometer input signal | x | x |
E | 13 | Rear fog light switch signal input | x | x |
E | 14 | Automatic driving lights switch signal input | x | x |
E | 15 | - | - | |
E | 16 | Light switch position "0" signal input | x | x |
F | 1 | Signal input (50), diagnosis | x | x |
F | 2 | Signal input (15), diagnosis engine | x | x |
F | 3 | LIN-Bus | x | x |
F | 4 | Signal (L) alternator | x | x |
F | 5 | Bonnet switch input signal | x | x |
F | 6 | Reversing light switch signal input | x | x |
F | 7 | Input signal for reference voltage (30) | x | x |
F | 8 | Input signal for earth - reference voltage (31) | x | x |
G | 1 | Voltage supply signal input (50) for ignition/starter switch | x | x |
G | 2 | Hazard warning light system warning lamp signal output | x | x |
G | 3 | Heated rear window warning lamp signal output | x | x |
G | 4 | Signal earth for illumination regulators - switches and instruments (31) | x | x |
G | 5 | - | - | |
G | 6 | Heated rear window button input signal | x | x |
G | 7 | Convenience CAN-L | x | x |
G | 8 | Convenience CAN-H | x | x |
G | 9 | Hazard warning light switch signal input | x | x |
G | 10 | Supply for switches and instruments illumination regulator | x | x |
G | 11 | Voltage supply signal input (15) for ignition/starter switch | x | x |
G | 12 | Switches and instruments illumination regulator signal input | x | x |
H | 1 | - | - | |
H | 2 | - | - | |
H | 3 | - | - | |
H | 4 | - | - | |
H | 5 | - | - | |
H | 6 | - | - | |
H | 7 | - | - | |
H | 8 | - | - | |
H | 9 | - | - | |
H | 10 | - | - | |
H | 11 | - | - | |
H | 12 | - | - | |
I | 1 | Supply (75a) input | x | x |
I | 2 | Supply (75x) output | x | x |
J | 1 | Washer pump supply input | x | x |
J | 2 | Washer pump motor and rear window wiper motor signal output | x | x |
J | 3 | Horn supply input | x | x |
J | 4 | Washer pump motor and rear window wiper motor signal output | x | x |
J | 5 | Washer pump earth (31) | x | x |
J | 6 | Horn signal output | x | x |
K | 1 | Heated rear window signal output | x | x |
K | 2 | - | - | |
K | 3 | - | - | |
K | 4 | - | - | |
K | 5 | Supply input (30G) | x | x |
K | 6 | Heated rear window supply input | x | x |
K | 7 | - | - | |
K | 8 | - | - | |
K | 9 | - | - | |
K | 10 | Supply output (30G) | x | x |
L | 1 | Interior supply input (15) | x | x |
L | 2 | Interior supply output (15) | x | x |
|
Connector assigment: |
A - | Headlight range control, control unit -J431- |
Pin connector: |
B - | 26-pin connector -T26- |
Back to overview |
|
Connector assigment: |
A - | Control unit in dash panel insert -J285- |
Pin connector: |
B - | 36-pin connector -T36- |
Back to overview |