English
Wiring Diagram SEAT MII 2013 - ABS control unit - Airbag control unit - Control unit in dash panel insert - Onboard supply control unit - Engine control unit - Diagnostic connection
| J104 | ABS control unit |
| J234 | Airbag control unit |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| J623 | Engine control unit |
| T16f | 16-pin connector |
| T32 | 32-pin connector |
| T38 | 38-pin connector |
| T50 | 50-pin connector |
| T56a | 56-pin connector |
| T73b | 73-pin connector |
| U31 | Diagnostic connection |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
Wiring Diagram SEAT MII 2013 - Selector lever - Parking aid control unit - Power steering control unit - Electronic manual gearbox control unit - Onboard supply control unit
| E313 | Selector lever |
| J446 | Parking aid control unit |
| J500 | Power steering control unit |
| J514 | Electronic manual gearbox control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| T3p | 3-pin connector |
| T10d | 10-pin connector |
| T16 | 16-pin connector |
| T30 | 30-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| * | Optional equipment |
Wiring Diagram SEAT MII 2013 - Steering angle sender - Onboard supply control unit - Emergency braking function sensor unit - Portable navigation and infotainment system - Radio
| E595 | Steering column combination switch |
| G85 | Steering angle sender |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| J939 | Emergency braking function sensor unit |
| J982 | Portable navigation and infotainment system |
| R | Radio |
| T7c | 7-pin connector |
| T8d | 8-pin connector |
| T41 | 41-pin connector |
| T73b | 73-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain 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 |
| * | Optional equipment |
| *2 | Only models with electronic stabilisation program (ESP) |
| *3 | Adapter wire |
Wiring Diagram SEAT MII 2013 - Alternator - Sliding sunroof adjustment control unit - Onboard supply control unit
| C | Alternator |
| J245 | Sliding sunroof adjustment control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| T2bf | 2-pin connector |
| T4f | 4-pin connector |
| T4p | 4-pin connector |
| T10a | 10-pin connector |
| T73b | 73-pin connector |
| A209 | Connection 1 (LIN bus) in dash panel wiring harness |
| * | Optional equipment |
SEAT MII 2013
SEAT MII 2013
Note
| Figure shows left-hand drive model |
| 1 - | Airbag control unit -J234- |
| q | Fitting location → Chapter |
| 2 - | PID (portable navigation and infotainment system) -J982- |
| q | Fitting location → Chapter |
| 3 - | Emergency braking function sensor unit -J939- |
| q | Fitting location → Chapter |
| 4 - | Heater control unit -J162- |
| q | Fitting location → Chapter |
| 4 - | Air conditioning system control unit -J301- |
| q | Fitting location → Chapter |
| 5 - | Sliding sunroof control unit -J245- |
| q | Fitting location → Chapter |
| 6 - | Rear window wiper motor -V12- |
| q | Fitting location → Chapter |
| 7 - | Parking aid control unit -J446- |
| q | Fitting location → Chapter |
| 8 - | Heated front seats control unit -J774- |
| q | Fitting location → Chapter |
| 9 - | DC/DC voltage converter -A19- |
| q | Fitting location → Chapter |
| 11 - | Control unit in dash panel insert -J285- |
| q | Fitting location → Chapter |
| 12 - | Power steering control unit -J500- |
| q | Fitting location → Chapter |
| 13 - | Onboard supply control unit -J519- |
| q | Fitting location → Chapter |
Note
|
| 1 - | Onboard supply control unit -J519- |
| q | Fitting location → Anchor |
| 2 - | Power steering control unit -J500- |
| q | Fitting location → Anchor |
| 3 - | Control unit in dash panel insert -J285- |
| q | Fitting location → Chapter |
| 5 - | Emergency braking function sensor unit -J939- |
| q | Fitting location → Chapter |
| 6 - | Rear window wiper motor -V12- |
| q | Fitting location → Chapter |
| 7 - | Parking aid control unit -J446- |
| q | Fitting location → Chapter |
| 8 - | Sliding sunroof control unit -J245- |
| q | Fitting location → Chapter |
| 9 - | Heater control unit -J162- |
| q | Fitting location → Chapter |
| 9 - | Air conditioning system control unit -J301- |
| q | Fitting location → Chapter |
| 10 - | DC/DC voltage converter -A19- |
| q | Fitting location → Chapter |
| 11 - | PID (portable navigation and infotainment system) -J982- |
| q | Fitting location → Chapter |
| 12 - | Heated front seats control unit -J774- |
| q | Fitting location → Anchor |
| 13 - | Airbag control unit -J234- |
| q | Fitting location → Chapter |
|
| 1 - | Airbag control unit -J234- |
| q | -A- 50-pin connector, -T50- |
|
| 1 - | PID (portable navigation and infotainment system) -J982- |
| q | -A- 16-pin connector -T16e- |
|
| 1 - | Emergency braking function sensor unit -J939- |
| q | -A- 7-pin connector -T7c- |
|
| -T7c- | Designation |
| 1 | -- |
| 2 | -- |
| 3 | Powertrain CAN low |
| 4 | Powertrain CAN, high |
| 5 | Terminal 15 |
| 6 | -- |
| 7 | Terminal 31 |
|
| 1 - | Heater control unit -J162- |
| q | -A- 5-connector -T5b- |
| q | -B- 16-pin connector -T16g- |
| q | -C- 18-pin connector -T18- |
|
| -T5b- | Designation | -T16g- | Designation | -T18- | Designation | ||
| 1 | 4th blower speed | 1 | -- | 1 | -- | ||
| 2 | 3rd blower speed | 2 | -- | 2 | -- | ||
| 3 | 2nd blower speed | 3 | -- | 3 | -- | ||
| 4 | 1st blower speed | 4 | -- | 4 | -- | ||
| 5 | Supply +12V | 5 | -- | 5 | -- | ||
| 6 | -- | 6 | -- | ||||
| 7 | -- | 7 | -- | ||||
| 8 | -- | 8 | -- | ||||
| 9 | -- | 9 | -- | ||||
| 10 | Terminal 31 | 10 | -- | ||||
| 11 | -- | 11 | -- | ||||
| 12 | Terminal 58d | 12 | -- | ||||
| 13 | -- | 13 | -- | ||||
| 14 | -- | 14 | -- | ||||
| 15 | -- | 15 | -- | ||||
| 16 | -- | 16 | -- | ||||
| 17 | -- | ||||||
| 18 | -- |
|
| 1 - | Air conditioning system control unit -J301- |
| q | -A- 5-connector -T5b- |
| q | -B- 16-pin connector -T16g- |
| q | -C- 18-pin connector -T18- |
|
| -T5b- | Designation | -T16g- | Designation | -T18- | Designation | ||
| 1 | 4th blower speed | 1 | AC signal | 1 | -- | ||
| 2 | 3rd blower speed | 2 | Evaporator earth | 2 | -- | ||
| 3 | 2nd blower speed | 3 | Evaporator signal | 3 | Evaporator temperature sensor signal | ||
| 4 | 1st blower speed | 4 | -- | 4 | Evaporator temperature sensor earth | ||
| 5 | Supply +12V | 5 | -- | 5 | -- | ||
| 6 | -- | 6 | -- | ||||
| 7 | -- | 7 | -- | ||||
| 8 | -- | 8 | -- | ||||
| 9 | -- | 9 | -- | ||||
| 10 | Terminal 31 | 10 | -- | ||||
| 11 | Terminal 15 | 11 | -- | ||||
| 12 | Terminal 58d | 12 | -- | ||||
| 13 | -- | 13 | -- | ||||
| 14 | -- | 14 | -- | ||||
| 15 | -- | 15 | -- | ||||
| 16 | -- | 16 | -- | ||||
| 17 | -- | ||||||
| 18 | -- |
|
| 1 - | Sliding sunroof control unit -J245- |
| q | -A- 10-pin connector -T10a- |
|
| -T10a- | Designation |
| 1 | LIN |
| 2 | Sliding sunroof adjustment regulator supply |
| 3 | Sliding sunroof adjustment regulator slider |
| 4 | Sliding sunroof adjustment regulator earth |
| 5 | -- |
| 6 | -- |
| 7 | Sunroof button, pull/push |
| 8 | -- |
| 9 | Terminal 31 |
| 10 | Terminal 30 |
|
| 1 - | Rear window wiper motor -V12- |
| q | -A- 4-pin connector -T4a- |
|
| -T4a- | Designation |
| 1 | Terminal 31 |
| 2 | Steering column switch, intermittent |
| 3 | Steering column switch, rear wash |
| 4 | Terminal 75 |
|
| 1 - | Parking aid control unit -J446- |
| q | A = 16-pin connector -T16- |
| q | B - 12-pin connector -T12c- |
|
| -T16- | Designation | -T12c- | Designation | |
| 1 | Terminal 15 | 1 | -- | |
| 2 | Rear sound sender signal | 2 | -- | |
| 3 | -- | 3 | Rear, centre sensor signal | |
| 4 | -- | 4 | Rear, right sensor signal | |
| 5 | -- | 5 | Rear, left sensor signal | |
| 6 | Powertrain CAN, high | 6 | -- | |
| 7 | -- | 7 | -- | |
| 8 | Terminal 31 | 8 | Rear sensor earth | |
| 9 | -- | 9 | -- | |
| 10 | Rear sound sender supply | 10 | -- | |
| 11 | -- | 11 | Rear sensor current | |
| 12 | -- | 12 | -- | |
| 13 | -- | |||
| 14 | -- | |||
| 15 | Powertrain CAN low | |||
| 16 | -- |
Note
|
| 1 - | Heated front seats control unit -J774- |
| q | -A- 16-pin connector -T16a- |
Note
|
| 1 - | Heated front seats control unit -J774- |
| q | -A- 16-pin connector -T16a- |
|
| -T16a- | Designation | Designation | ||
| 1 | LED, stage 1, right | 9 | Terminal 31 | |
| 2 | LED, stage 2, left | 10 | -- | |
| 3 | LED, stage 2, right | 11 | -- | |
| 4 | LED, stage 1, left | 12 | Button for right seat heating | |
| 5 | Seat heating authorisation, BCM | 13 | Terminal 75 | |
| 6 | Button for left seat heating | 14 | Terminal 75 | |
| 7 | -- | 15 | Seat heater left | |
| 8 | -- | 16 | Seat heater right |
|
| 1 - | DC/DC voltage converter -A19- |
| q | -A- 12-pin connector -T12a- |
|
| -T12a- | Designation |
| 1 | Terminal 30 |
| 2 | Terminal 31 |
| 3 | Terminal 15 |
| 4 | Terminal 50 |
| 5 | -- |
| 6 | -- |
| 7 | Terminal 30 stab |
| 8 | -- |
| 9 | -- |
| 10 | -- |
| 11 | -- |
| 12 | -- |
|
| 1 - | Control unit in dash panel insert -J285- |
| q | A- 32-pin connector -T32- |
|
| -T32- | Designation | Designation | ||
| 1 | Tank sender 1 full | 17 | -- | |
| 2 | Tank sender 1 empty | 18 | Coolant low level | |
| 3 | -- | 19 | Ambient temperature | |
| 4 | -- | 20 | Terminal 31 sensor earth | |
| 5 | -- | 21 | MFI to | |
| 6 | -- | 22 | MFI from | |
| 7 | Transponder 1 | 23 | MFI OK/Reset | |
| 8 | Transponder 2 | 24 | Belt latch | |
| 9 | Speedometer output | 25 | Parking brake/EPB | |
| 10 | Speedometer input | 26 | Brakes, general | |
| 11 | -- | 27 | Oil pressure | |
| 12 | -- | 28 | Powertrain CAN, high | |
| 13 | Rear fog light | 29 | Powertrain CAN low | |
| 14 | Main beam | 30 | -- | |
| 15 | -- | 31 | Terminal 15 | |
| 16 | Terminal 31 | 32 | Terminal 30 |
Note
|
| 1 - | Power steering control unit -J500- |
| q | -A- 2-pin connector -T2aq- |
| q | -B- 3-pin connector -T3p- |
| q | -C- 6-pin connector -T6i- |
| q | -D- 6-pin connector -T6j- |
Note
|
| 1 - | Power steering control unit -J500- |
| q | -A- 2-pin connector -T2aq- |
| q | -B- 3-pin connector -T3p- |
| q | -C- 6-pin connector -T6i- |
| q | -D- 6-pin connector -T6j- |
|
| -T2aq- | Designation | -T3p- | Designation | |
| 1 | Terminal 31 | 1 | Powertrain CAN low | |
| 2 | Terminal 30A | 2 | Powertrain CAN, high | |
| 3 | Terminal 15 |
Note
|
| 1 - | Onboard supply control unit -J519- |
| q | -A- 73-pin connector -T73a-, black |
| q | -B- 73-pin connector -T73b-, white |
Note
|
| 1 - | Onboard supply control unit -J519- |
| q | -A- 73-pin connector -T73a-, black |
| q | -B- 73-pin connector -T73b-, white |
|
| -T73a- | Designation | -T73b- | Designation | |
| 1 | -- | 1 | -- | |
| 2 | Left dipped beam | 2 | Right dipped beam | |
| 3 | -- | 3 | Left daytime running lights | |
| 4 | Interior light dimmer | 4 | 58D supply | |
| 5 | Right daytime running lights | 5 | -- | |
| 6 | Rear fog light | 6 | -- | |
| 7 | Fog light, lighting rotary switch | 7 | Licence plate light | |
| 8 | -- | 8 | -- | |
| 9 | Emergency braking function button | 9 | Left fog light with cornering light | |
| 10 | Central locking authorisation motor, rear lid | 10 | Right fog light with cornering light | |
| 11 | Central locking, lock motor, driver | 11 | Terminal 30 reversing lights, dipped beam | |
| 12 | Central locking, common motor, driver | 12 | Reversing light | |
| 13 | Central locking, safe, driver | 13 | Terminal 30 left turn signal/brake light | |
| 14 | Terminal 31 central locking | 14 | Left turn signal | |
| 15 | Central locking motor front passenger | 15 | Right turn signal | |
| 16 | Terminal 30 central locking | 16 | Brake light | |
| 17 | -- | 17 | -- | |
| 18 | -- | 18 | Powertrain CAN low | |
| 19 | Driver door rotary latch | 19 | Powertrain CAN high | |
| 20 | Passenger door rotary latch | 20 | Convenience CAN high | |
| 21 | Central locking status lock, front passenger | 21 | Convenience CAN low | |
| 22 | Central locking status lock, driver | 22 | CAN diagnosis low | |
| 23 | Unlock rear lid | 23 | CAN diagnosis high | |
| 24 | Central locking lock position, driver | 24 | LIN 2, roof | |
| 25 | Central locking unlock button | 25 | -- | |
| 26 | -- | 26 | -- | |
| 27 | Bonnet contact | 27 | Front wipers 1st stage, steering column lock switch | |
| 28 | Hazard warning button | 28 | Central locking lock position, front passenger | |
| 29 | Horn button | 29 | Rotary light switch - zero position | |
| 30 | Rear lid main latch | 30 | -- | |
| 31 | Rear lid first latch | 31 | Heated rear window button | |
| 32 | Right turn signal, steering column switch | 32 | Front wiper, end switch | |
| 33 | Left turn signal, steering column switch | 33 | -- | |
| 34 | -- | 34 | -- | |
| 35 | -- | 35 | -- | |
| 36 | Seat heating authorisation | 36 | -- | |
| 37 | -- | 37 | LIN, alternator | |
| 38 | Heated exterior mirror | 38 | Terminal 31 electronics | |
| 39 | Terminal 31 signal earth | 39 | Terminal 30 electronics | |
| 40 | Right side light | 40 | Terminal 31 signal earth | |
| 41 | Left side light | 41 | -- | |
| 42 | Terminal S ignition switch | 42 | -- | |
| 43 | Brake light sensor | 43 | Rear fog light, rotary light switch | |
| 44 | Terminal 15 ignition switch | 44 | CCS set, steering column switch | |
| 45 | Side light, rotary light switch | 45 | CCS E/A, steering column switch | |
| 46 | -- | 46 | CCS RES, steering column switch | |
| 47 | -- | 47 | CCS cancel, steering column switch | |
| 48 | -- | 48 | Reversing light switch | |
| 49 | -- | 49 | Terminal L | |
| 50 | -- | 50 | Terminal 50 ignition switch | |
| 51 | -- | 51 | Terminal X ignition switch | |
| 52 | Fuel pump relay | 52 | Dip beam position, rotary light switch | |
| 53 | -- | 53 | Front wipers 2nd stage, steering column lock switch | |
| 54 | Terminal X relay | 54 | -- | |
| 55 | Starter inhibitor relay | 55 | Starter inhibitor signal | |
| 56 | Hazard warning light button LED | 56 | Central locking status lock, rear lid | |
| 57 | -- | 57 | -- | |
| 58 | LED Safe LED | 58 | Heated exterior mirror switch | |
| 59 | LED lock/unlock button | 59 | Terminal 30, reference | |
| 60 | Heated rear window LED | 60 | Terminal 31, reference | |
| 61 | -- | 61 | Steering column switch, washer pump | |
| 62 | Main beam, steering column switch | 62 | Steering column switch, front wiper intermittent | |
| 63 | Terminal 30, left main/dipped beam, daytime driving lights | 63 | Heated rear window | |
| 64 | Terminal 30 heated exterior mirror | 64 | -- | |
| 65 | Terminal 30G | 65 | -- | |
| 66 | Terminal 30, interior light/30G | 66 | -- | |
| 67 | -- | 67 | Terminal 30 heated rear window | |
| 68 | Terminal 30 windscreen wiper | 68 | Terminal 30, right main/dipped beam, daytime driving lights | |
| 69 | Front wipers 1st stage | 69 | -- | |
| 70 | Brake earth, front wiper | 70 | -- | |
| 71 | Front wipers 2nd stage | 71 | -- | |
| 72 | Horn | 72 | -- | |
| 73 | Terminal 30 horn | 73 | -- |
|