Wiring Diagram VW E-UP 2014 - Seat occupied sensor - front passenger side - Airbag control unit - Onboard supply control unit - Diagnostic connection
| G128 | Seat occupied sensor, front passenger side |
| J234 | Airbag control unit |
| J519 | Onboard supply control unit |
| T2ap | 2-pin connector |
| T16f | 16-pin connector |
| T50 | 50-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 |
| B713 | Connection 1 (CAN bus diagnosis, high), in main wiring harness |
| B714 | Connection 1 (CAN bus diagnosis, low), in main wiring harness |
Wiring Diagram VW E-UP 2014 - ABS control unit - Parking aid control unit - Power steering control unit - Onboard supply control unit - Brake servo control unit - Emergency braking function sensor unit - Brake system pressure accumulator
| J104 | ABS control unit |
| J446 | Parking aid control unit |
| J500 | Power steering control unit |
| J519 | Onboard supply control unit |
| J539 | Brake servo control unit |
| J939 | Emergency braking function sensor unit |
| T3p | 3-pin connector |
| T4v | 4-pin connector |
| T7c | 7-pin connector |
| T16 | 16-pin connector |
| T26 | 26-pin connector |
| T38 | 38-pin connector |
| VX70 | Brake system pressure accumulator |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
Wiring Diagram VW E-UP 2014 - High-voltage battery 1 - Selector lever - Onboard supply control unit - Engine control unit - Battery regulation control unit - Charge voltage control unit for high-voltage battery
| AX2 | High-voltage battery 1 |
| E313 | Selector lever |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| J840 | Battery regulation control unit |
| J966 | Charge voltage control unit for high-voltage battery |
| T10d | 10-pin connector |
| T14c | 14-pin connector |
| T26i | 26-pin connector |
| T32a | 32-pin connector |
| T94 | 94-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B776 | Connection 1 (hybrid CAN bus, high) in main wiring harness |
| B777 | Connection 1 (hybrid CAN bus, low) in main wiring harness |
Wiring Diagram VW E-UP 2014 - Charging unit 1 for high-voltage battery - Power and control electronics for electric drive - Onboard supply control unit
| AX4 | Charging unit 1 for high-voltage battery |
| JX1 | Power and control electronics for electric drive |
| J519 | Onboard supply control unit |
| T14a | 14-pin connector, front left in engine compartment |
| T80 | 80-pin connector |
| T80a | 80-pin connector |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| E123 | Connection 1 (powertrain CAN bus, high), in engine wiring harness |
| E124 | Connection 1 (powertrain CAN bus, low), in engine wiring harness |
| X4 | Connection 1 (CAN bus hybrid, high), in engine compartment wiring harness |
| X5 | Connection 1 (CAN bus hybrid, low), in engine compartment wiring harness |
Wiring Diagram VW E-UP 2014 - Fresh air blower control unit - Climatronic control unit - Onboard supply control unit - Emergency call module control unit and communication unit - Portable navigation and infotainment system - Radio - Electrical air conditioner compressor - High-voltage heater (PTC)
| J126 | Fresh air blower control unit |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| J949 | Emergency call module control unit and communication unit |
| J982 | Portable navigation and infotainment system |
| R | Radio |
| T4aa | 4-pin connector |
| T8 | 8-pin connector |
| T8d | 8-pin connector |
| T8e | 8-pin connector |
| T14a | 14-pin connector, front left in engine compartment |
| T16g | 16-pin connector |
| T26a | 26-pin connector |
| T73b | 73-pin connector |
| V470 | Electrical air conditioner compressor |
| Z115 | High-voltage heater (PTC) |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| B549 | Connection 2 (LIN bus) in main wiring harness |
| D218 | Connection 1 (LIN bus) in engine compartment wiring harness |
| * | Adapter wire |
Wiring Diagram VW E-UP 2014 - Humidity sender for air conditioning system - Sliding sunroof adjustment control unit - Control unit in dash panel insert - Battery monitor control unit - Onboard supply control unit - Dash panel insert
| G260 | Humidity sender for air conditioning system |
| J245 | Sliding sunroof adjustment control unit |
| J285 | Control unit in dash panel insert |
| J367 | Battery monitor control unit |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| T2br | 2-pin connector |
| T3ac | 3-pin connector |
| T4p | 4-pin connector, on roof module |
| T10l | 10-pin connector |
| T32 | 32-pin connector |
| T73b | 73-pin connector |
| A204 | Connection (dash panel insert CAN bus, high), in dash panel wiring harness |
| A205 | Connection (dash panel insert CAN bus, low), in dash panel wiring harness |
| A209 | Connection 1 (LIN bus) in dash panel wiring harness |
| B528 | Connection 1 (LIN bus) in main wiring harness |
VW E-UP 2014 Overview of control units
| 1 - | Radio -R- |
| 2 - | Portable navigation and infotainment system -J982- |
| q | Fitting location → Chapter |
| 3 - | Emergency braking function sensor unit -J939- |
| q | Fitting location → Chapter |
| 4 - | Climatronic control unit -J255- |
| q | Fitting location → Chapter |
| 5 - | Control unit in dash panel insert -J285- |
| q | Fitting location → Chapter |
| 6 - | Steering column combination switch -E595- |
| q | Fitting location → Chapter |
| 7 - | Battery regulation control unit -J840- |
| q | Fitting location → Chapter |
| 8 - | High-voltage battery junction box -SX6- |
| q | Fitting location → Chapter |
| 9 - | Module monitor control unit for batteries -J497- |
| q | Fitting location → Chapter |
| 10 - | Charge voltage control unit for high-voltage battery -J966- |
| q | Fitting location → Chapter |
| 11 - | Engine sound generator control unit -J943- |
| q | Fitting location → Chapter |
| 12 - | Onboard supply control unit -J519- |
| q | Fitting location left-hand drive → Chapter |
| q | Fitting location right-hand drive → Chapter |
| q | Connector assignment → Chapter |
| 13 - | Emergency call module control unit and communication unit -J949- |
| q | Fitting location → Chapter |
| 14 - | Heated front seats control unit -J774- |
| q | Fitting location left-hand drive → Chapter |
| q | Fitting location right-hand drive → Chapter |
| 15 - | Airbag control unit -J234- |
| q | Fitting location → Chapter |
| 16 - | Power steering control unit -J500- |
| q | Fitting location left-hand drive → Chapter |
| q | Fitting location right-hand drive → Chapter |
| 17 - | Fresh air blower control unit -J126- |
| q | Fitting location → Chapter |
|
| 1 - | Portable navigation and infotainment system -J982- |
| A - | 16-pin connector -T16e- |
|
| -T16e- (A) | Designation | |
| 1 | UART2-CTS | |
| 2 | UART2-RTS | |
| 3 | UART2-Tx | |
| 4 | UART2-Rx | |
| 5 | Cradle detect | |
| 6 | + 5V | |
| 7 | GND | |
| 8 | Audio OUT R | |
| 9 | Audio OUT L | |
| 10 | + 12V | |
| 11 | Aerial | |
| 12 | + 5V | |
| 13 | PID-Rx | |
| 14 | PID-Tx | |
| 15 | Audio GND | |
| 16 | GND |
|
| 1 - | Emergency braking function sensor unit -J939- |
| A - | 7-pin connector -T7c- |
|
| -T7c- (A) | Designation | |
| 1 | ||
| 2 | ||
| 3 | Powertrain CAN bus low | |
| 4 | Powertrain CAN bus high | |
| 5 | Terminal 15 | |
| 6 | ||
| 7 | Terminal 31 |
|
| 1 - | Climatronic control unit -J255- |
| A - | 16-pin connector -T16g- , black |
| B - | 20-pin connector -T20a- |
|
| -T16g- (A) | Designation | -T20a- (B) | Designation | ||
| 1 | 1 | Temperature flap (cold) | |||
| 2 | GND sunlight penetration photosensor | 2 | Temperature flap (warm) | ||
| 3 | Signal, sunlight penetration photosensor | 3 | Defroster flap (closed) | ||
| 4 | U battery connected | 4 | Defroster flap (open) | ||
| 5 | Convenience CAN bus high | 5 | Signal GND | ||
| 6 | Convenience CAN bus low | 6 | Centre flap (centre) | ||
| 7 | PWM signal, pressure sensor | 7 | Centre flap (foot) | ||
| 8 | 8 | Air flow flap | |||
| 9 | 9 | Air flow flap | |||
| 10 | 10 | ||||
| 11 | LIN bus | 11 | Centre vent temperature sender | ||
| 12 | Terminal 30 | 12 | Footwell vent temperature sender | ||
| 13 | Terminal 31 | 13 | |||
| 14 | 14 | + 5V | |||
| 15 | 15 | Evaporator output temperature sender | |||
| 16 | 16 | RMP temperature flap | |||
| 17 | RMP defroster flap | ||||
| 18 | RMP centre flap control motor | ||||
| 19 | RMP fresh air/air recirculation control motor | ||||
| 20 |
|
| 1 - | Control unit in dash panel insert -J285- |
| A - | 32-pin connector -T32- , blue |
|
| -T32- (A) | Designation | -T32- (A) | Designation | ||
| 1 | 17 | ||||
| 2 | 18 | Low coolant level | |||
| 3 | 19 | Ambient temperature | |||
| 4 | 20 | Terminal 31 sensor earth | |||
| 5 | 21 | MFD to | |||
| 6 | 22 | MFD from | |||
| 7 | Transponder 1 | 23 | MFD OK/Reset | ||
| 8 | Transponder 2 | 24 | |||
| 9 | 25 | Parking brake/EPB | |||
| 10 | 26 | Brakes, general | |||
| 11 | 27 | ||||
| 12 | 28 | Powertrain CAN bus high | |||
| 13 | Rear fog light | 29 | Powertrain CAN bus low | ||
| 14 | Main beam | 30 | |||
| 15 | 31 | Terminal 15 | |||
| 16 | Terminal 31 | 32 | Terminal 30 |
|
| 1 - | Steering column combination switch -E595- |
| A - | 16-pin connector -T16d- |
| B - | 16-pin connector -T16h- |
| C - | 10-pin connector -T10- |
| D - | 7-pin connector -T7- |
|
| 1 - | High-voltage battery 1 -AX2- |
| 2 - | Battery regulation control unit -J840- |
| A - | 12-pin connector -T12- |
| B - | 7-pin connector -T7e- |
| C - | 26-pin connector -T26k- |
| D - | 26-pin connector -T26i- |
|
| 1 - | High-voltage battery 1 -AX2- |
| 2 - | High-voltage battery junction box -SX6- |
| A - | 12-pin connector -T12d- |
| B - | 14-pin connector -T14d- |
|
| 1 - | High-voltage battery 1 -AX2- |
| 2 - | Module monitor control unit for batteries -J497- |
| A - | 7-pin connector -T7d- |
| B - | 26-pin connector -T26aa- |
| C - | 26-pin connector -T26ab- |
| D - | 26-pin connector -T26ac- |
| E - | 26-pin connector -T26ad- |
| F - | 26-pin connector -T26ae- |
| G - | 26-pin connector -T26af- |
| H - | 26-pin connector -T26ag- |
| I - | 26-pin connector -T26ah- |
| J - | 26-pin connector -T26ai- |
|
| 1 - | Charge voltage control unit for high-voltage battery -J966- |
| A - | 32-pin connector -T32a- , grey |
| B - | 32-pin connector -T32b- , black |
| q | only with AC/DC charging socket |
|
| -T32a- (A) | Designation | -T32b- (B) | Designation | ||
| 1 | LED0, charging socket | 1 | |||
| 2 | LED2, charging socket | 2 | |||
| 3 | LED GND, charging socket | 3 | |||
| 4 | 4 | ||||
| 5 | LED1, driving programme | 5 | |||
| 6 | 6 | ||||
| 7 | Terminal 15 | 7 | |||
| 8 | 8 | ||||
| 9 | 9 | Temperature sender GND, charging socket | |||
| 10 | Temperature sender GND, charging socket | 10 | |||
| 11 | Immediate charge button | 11 | |||
| 12 | PP, charging socket | 12 | |||
| 13 | Hybrid CAN bus, low | 13 | |||
| 14 | Powertrain CAN bus high | 14 | Terminal 31 | ||
| 15 | GND, charging connector lock | 15 | |||
| 16 | Loc / Close, charging connector lock | 16 | |||
| 17 | Terminal 30 | 17 | |||
| 18 | LED1, charging socket | 18 | |||
| 19 | Terminal 31 | 19 | |||
| 20 | LED, charging monitor | 20 | |||
| 21 | LED2, driving programme | 21 | |||
| 22 | 22 | ||||
| 23 | Driving program button | 23 | |||
| 24 | 24 | ||||
| 25 | 25 | Temperature sender, charging socket | |||
| 26 | Temperature sender, charging socket | 26 | |||
| 27 | CP, charging socket | 27 | |||
| 28 | 28 | ||||
| 29 | Hybrid CAN bus high | 29 | |||
| 30 | Powertrain CAN bus low | 30 | |||
| 31 | Lock Check, charging connector lock | 31 | |||
| 32 | Lock Open, charging connector lock | 32 | Terminal 30 |
|
| 1 - | Engine sound generator control unit -J943- |
| A - | 6-pin connector -T6x- , black |
|
| -T6x- (A) | Designation | |
| 1 | Actuator 1 for engine sound generator -R257- + | |
| 2 | Actuator 1 for engine sound generator -R257- - | |
| 3 | Terminal 15 | |
| 4 | Terminal 31 | |
| 5 | Powertrain CAN bus low | |
| 6 | Powertrain CAN bus high |
|
| 1 - | Onboard supply control unit -J519- |
| A - | 73-pin connector -T73a- , black |
| B - | 73-pin connector -T73b- , white |
|
| 1 - | Onboard supply control unit -J519- |
| A - | 73-pin connector -T73a- , black |
| B - | 73-pin connector -T73b- , white |
|
| -T73a- (A) | Designation | -T73b- (B) | 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 | Left tail light | ||
| 6 | Rear fog light | 6 | Right tail light | ||
| 7 | 7 | Number plate light | |||
| 8 | 8 | ||||
| 9 | Emergency braking function button | 9 | |||
| 10 | Central locking authorisation motor, rear lid | 10 | |||
| 11 | Central locking, lock motor, driver | 11 | Terminal 30 reversing light, dipped beam headlight | ||
| 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 | Central locking status rear left door lock | 17 | |||
| 18 | Central locking status rear right door lock | 18 | Powertrain CAN bus low | ||
| 19 | Driver door rotary latch | 19 | Powertrain CAN bus high | ||
| 20 | Passenger door rotary latch | 20 | Convenience CAN bus high | ||
| 21 | Central locking status lock, front passenger | 21 | Convenience CAN bus low | ||
| 22 | Central locking status lock, driver | 22 | Diagnosis CAN bus low | ||
| 23 | Unlock rear lid | 23 | Diagnosis CAN bus high | ||
| 24 | Central locking lock position, driver | 24 | LIN 2, roof | ||
| 25 | Central locking unlock button | 25 | |||
| 26 | Rear right rotary latch | 26 | |||
| 27 | Bonnet contact | 27 | Front wipers 1st stage, steering column lock switch | ||
| 28 | Hazard warning button | 28 | |||
| 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 | Windscreen heater button | ||
| 34 | Rear left rotary latch | 34 | |||
| 35 | 35 | ||||
| 36 | Seat heating authorisation | 36 | |||
| 37 | 37 | LIN, alternator | |||
| 38 | Heated exterior mirror | 38 | Terminal 31 electronics | ||
| 39 | 39 | Terminal 30 electronics | |||
| 40 | Right side light | 40 | |||
| 41 | Left side light | 41 | |||
| 42 | Terminal S ignition/starter switch | 42 | |||
| 43 | Brake light sensor | 43 | Rear fog light, rotary light switch | ||
| 44 | Terminal 15 ignition/starter 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 | ||||
| 49 | 49 | ||||
| 50 | Windscreen heater relay | 50 | Terminal 50 ignition/starter switch | ||
| 51 | 51 | ||||
| 52 | 52 | Dip beam position, rotary light switch | |||
| 53 | 53 | Front wipers 2nd stage, steering column lock switch | |||
| 54 | Terminal X relay | 54 | Dash panel CAN bus high | ||
| 55 | 55 | ||||
| 56 | Hazard warning light button LED | 56 | |||
| 57 | 57 | Dash panel CAN bus low | |||
| 58 | LED Safe LED | 58 | Heated exterior mirror switch | ||
| 59 | 59 | Terminal 30 reference | |||
| 60 | Heated rear window LED | 60 | Terminal 31 reference | ||
| 61 | Windscreen heater LED | 61 | Steering column switch, washer pump | ||
| 62 | Main beam, steering column switch | 62 | Steering column switch, front wiper intermittent | ||
| 63 | Terminal 30 left dipped beam/daytime running lights/main beam | 63 | Heated rear window | ||
| 64 | Terminal 30 exterior mirror heating | 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 dipped beam/daytime running lights/main beam | ||
| 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 |
|
| 1 - | Emergency call module control unit and communication unit -J949- |
| A - | 26-pin connector -T26a- |
| B - | 4-pin connector -T4ac- |
| q | GPS aerial -R50- |
| q | GSM aerial -R205- |
|
| -T26a- (A) | Designation | -T26a- (A) | Designation | -T4ac- (B) | Designation | |||
| 1 | Terminal 30 | 14 | Convenience CAN bus high | 1 | GSM aerial -R205- | |||
| 2 | Convenience CAN bus low | 15 | 2 | GSM aerial -R205- , shield | ||||
| 3 | 16 | 3 | GPS aerial -R50- | |||||
| 4 | 17 | 4 | GPS aerial -R50- , shield | |||||
| 5 | 18 | |||||||
| 6 | 19 | |||||||
| 7 | 20 | |||||||
| 8 | 21 | |||||||
| 9 | 22 | |||||||
| 10 | 23 | |||||||
| 11 | 24 | |||||||
| 12 | 25 | |||||||
| 13 | 26 | Terminal 31 |
|
| 1 - | Heated front seats control unit -J774- |
| A - | 16-pin connector -T16a- |
|
| -T16a- (A) | Designation | |
| 1 | Centre switch module 2 in dash panel -EX35- , LED, stage 1, right | |
| 2 | Switch module in centre of dash panel -EX22- , LED, stage 2, left | |
| 3 | Centre switch module 2 in dash panel -EX35- , LED, stage 2, right | |
| 4 | Switch module in centre of dash panel -EX22- , LED, stage 1, left | |
| 5 | Onboard supply control unit -J519- , authorisation | |
| 6 | Switch module in centre of dash panel -EX22- | |
| 7 | ||
| 8 | ||
| 9 | Terminal 31 | |
| 10 | -- | |
| 11 | -- | |
| 12 | Centre switch module 2 in dash panel -EX35- | |
| 13 | Terminal 75 | |
| 14 | Terminal 75 | |
| 15 | Seat heating left | |
| 16 | Seat heating left |
|
| 1 - | Heated front seats control unit -J774- |
| A - | 16-pin connector -T16a- |
|
| -T16a- (A) | Designation | |
| 1 | Centre switch module 2 in dash panel -EX35- , LED, stage 1, right | |
| 2 | Switch module in centre of dash panel -EX22- , LED, stage 2, left | |
| 3 | Centre switch module 2 in dash panel -EX35- , LED, stage 2, right | |
| 4 | Switch module in centre of dash panel -EX22- , LED, stage 1, left | |
| 5 | Onboard supply control unit -J519- , authorisation | |
| 6 | Switch module in centre of dash panel -EX22- | |
| 7 | ||
| 8 | ||
| 9 | Terminal 31 | |
| 10 | -- | |
| 11 | -- | |
| 12 | Centre switch module 2 in dash panel -EX35- | |
| 13 | Terminal 75 | |
| 14 | Terminal 75 | |
| 15 | Seat heating left | |
| 16 | Seat heating left |
|
| 1 - | Airbag control unit -J234- |
| A - | 50-pin connector -T50- |
|
| 1 - | Power steering control unit -J500- |
| A - | 2-pin connector -T2aq- |
| B - | 3-pin connector -T3p- |
| C - | 8-pin connector -T8i- |
| D - | 8-pin connector -T8j- |
|
| -T2aq- (A) | Designation | -T3p- (B) | Designation | ||
| 1 | Terminal 31 | 1 | Powertrain CAN bus low | ||
| 2 | Terminal 30 | 2 | Powertrain CAN bus high | ||
| 3 | Terminal 15 |
|
| 1 - | Power steering control unit -J500- |
| A - | 2-pin connector -T2aq- |
| B - | 3-pin connector -T3p- |
| C - | 8-pin connector -T8i- |
| D - | 8-pin connector -T8j- |
|
| -T2aq- (A) | Designation | -T3p- (B) | Designation | ||
| 1 | Terminal 31 | 1 | Powertrain CAN bus low | ||
| 2 | Terminal 30 | 2 | Powertrain CAN bus high | ||
| 3 | Terminal 15 |
|
| 1 - | Fresh air blower control unit -J126- |
| A - | 4-pin connector -T4aa- , black |
|
| -T4aa- (A) | Designation | |
| 1 | Terminal 31 | |
| 2 | ||
| 3 | Terminal 30 | |
| 4 | LIN bus |
|





























































