Wiring Diagram VW POLO 2013 - Battery - Starter - Alternator - Voltage regulator - Onboard supply control unit

| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| S162 | Fuse 1 (30), in battery fuse holder |
| S163 | Fuse 2 (30), in battery fuse holder |
| S269 | Fuse 11 (30), in battery fuse holder |
| T1e | Single connector |
| T2r | 2-pin connector, near dual-tone horns |
| T2s | 2-pin connector |
| T3c | 3-pin connector, on left in engine compartment |
| T6k | 6-pin connector, on left in engine compartment |
| T11b | 11-pin connector, on left in engine compartment |
| T12a | 12-pin connector, on left in engine compartment |
| T18a | 18-pin connector |
| |
| 507 | Threaded connection (30), on battery fuse holder |
Wiring Diagram VW POLO 2013 - Ignition/starter switch - X-contact relief relay - Onboard supply control unit
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| T6o | 6-pin connector |
| T8c | 8-pin connector |
| T18a | 18-pin connector |
| T41a | 41-pin connector |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B165 | Positive connection 2 (15), in interior wiring harness |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B172 | Positive connection 4 (30), in interior wiring harness |
| B239 | Positive connection 1 (50), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B492 | Positive connection 3 (15), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Onboard supply control unit
| E2 | Turn signal switch |
| E20 | Switch and instrument illumination regulator |
| J519 | Onboard supply control unit |
| T6c | 6-pin connector |
| T6l | 6-pin connector |
| T16b | 16-pin connector |
| T16e | 16-pin connector |
| T18b | 18-pin connector |
| T41a | 41-pin connector |
| B116 | Connection (58d), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| B506 | Connection (convenience CAN bus, high), in interior wiring harness |
| B507 | Connection (convenience CAN bus, low), in interior wiring harness |
| * | Diagnostic connection |
Wiring Diagram VW POLO 2013 - Rev. counter - Speedometer - Control unit in dash panel insert - Onboard supply control unit - Dash panel insert - Main beam warning lamp - Alternator warning lamp - Rear fog light warning lamp - Dash panel insert illumination bulb
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Windscreen wiper motor
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| T4o | 4-pin connector |
| T5d | 5-pin connector |
| T5f | 5-pin connector |
| T6g | 6-pin connector, on left in engine compartment |
| T12a | 12-pin connector, on left in engine compartment |
| T16c | 16-pin connector |
| T16e | 16-pin connector |
| T18a | 18-pin connector |
| T18b | 18-pin connector |
| V | Windscreen wiper motor |
| |
| 278 | Earth connection 4, in interior wiring harness |
| 279 | Earth connection 5, in interior wiring harness |
| 284 | Earth connection 6, in interior wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 296 | Earth connection 11, in interior wiring harness |
| |
| * | Diagnostic connection |
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Rear window wiper motor - Windscreen and rear window washer pump
| E22 | Intermittent wiper switch |
| J519 | Onboard supply control unit |
| T2g | 2-pin connector |
| T4i | 4-pin connector |
| T5g | 5-pin connector, behind rear left side trim, near wheel arch |
| T5h | 5-pin connector, in rear lid |
| T5i | 5-pin connector, in rear lid |
| T12a | 12-pin connector, on left in engine compartment |
| T18a | 18-pin connector |
| T41a | 41-pin connector |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| |
| 98 | Earth connection, in rear lid wiring harness |
| 287 | Earth connection, in rear lid feeder wiring harness |
| B498 | Connection 1 (53c), in interior wiring harness |
| B605 | Connection 1, in interior wiring harness |
| * | Squareback |
| *2 | Saloon |
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Fuse 2 in fuse holder A - Fuse 21 in fuse holder A - Fuse 22 in fuse holder A - Fuse 44 in fuse holder A
| E4 | Headlight dipper and flasher switch |
| J519 | Onboard supply control unit |
| SA2 | Fuse 2 in fuse holder A |
| SA21 | Fuse 21 in fuse holder A |
| SA22 | Fuse 22 in fuse holder A |
| SA44 | Fuse 44 in fuse holder A |
| T41a | 41-pin connector |
| B141 | Positive connection 1 (56a), in interior wiring harness |
| B142 | Positive connection 2 (56a), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Onboard supply control unit
| E4 | Headlight dipper and flasher switch |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| SA24 | Fuse 24 in fuse holder A |
| SA45 | Fuse 45 in fuse holder A |
| SA46 | Fuse 46 in fuse holder A |
| SA47 | Fuse 47 in fuse holder A |
| SA48 | Fuse 48 in fuse holder A |
| SA52 | Fuse 52 in fuse holder A |
| T5d | 5-pin connector |
| T5f | 5-pin connector |
| T6b | 6-pin connector, on left in engine compartment |
| T16b | 16-pin connector |
| T18a | 18-pin connector |
| T41a | 41-pin connector |
| B170 | Positive connection 2 (30), in interior wiring harness |
| B171 | Positive connection 3 (30), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Onboard supply control unit
| J519 | Onboard supply control unit |
| SA10 | Fuse 10 in fuse holder A |
| SA27 | Fuse 27 in fuse holder A |
| SA28 | Fuse 28 in fuse holder A |
| SA29 | Fuse 29 in fuse holder A |
| SA30 | Fuse 30 in fuse holder A |
| T6m | 6-pin connector |
| T18a | 18-pin connector |
| B162 | Connection (75a), in interior wiring harness |
| B188 | Positive connection 5 (30), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Fuse 1 in fuse holder A - Fuse 3 in fuse holder A - Fuse 18 in fuse holder A - Fuse 20 in fuse holder A - Fuse 43 in fuse holder A - Fuse 54 in fuse holder A
| SA1 | Fuse 1 in fuse holder A |
| SA3 | Fuse 3 in fuse holder A |
| SA18 | Fuse 18 in fuse holder A |
| SA20 | Fuse 20 in fuse holder A |
| SA43 | Fuse 43 in fuse holder A |
| SA54 | Fuse 54 in fuse holder A |
| T12a | 12-pin connector, on left in engine compartment |
| D152 | Positive connection 1 (56b), in engine compartment wiring harness |
| D153 | Positive connection 2 (56b), in engine compartment wiring harness |
| * | Squareback |
| *2 | Only models with rear fog light |
Wiring Diagram VW POLO 2013 - Fuse 12 in fuse holder A - Fuse 13 in fuse holder A
| E19 | Parking light switch |
| SA12 | Fuse 12 in fuse holder A |
| SA13 | Fuse 13 in fuse holder A |
| T41a | 41-pin connector |
| B144 | Positive connection (58L), in interior wiring harness |
| B494 | Positive connection 2 (58R), in interior wiring harness |
| B496 | Positive connection 4 (58R), in interior wiring harness |
| B497 | Positive connection 2 (58L), in interior wiring harness |
| * | Squareback |
| *2 | Saloon |
Wiring Diagram VW POLO 2013 - Left fog light bulb - Right fog light bulb - Left side light bulb - Right side light bulb - Left headlight dipped beam bulb - Left headlight main beam bulb - Right headlight dipped beam bulb - Right headlight main beam bulb
| L22 | Left fog light bulb |
| L23 | Right fog light bulb |
| M1 | Left side light bulb |
| M3 | Right side light bulb |
| M29 | Left headlight dipped beam bulb |
| M30 | Left headlight main beam bulb |
| M31 | Right headlight dipped beam bulb |
| M32 | Right headlight main beam bulb |
| T2y | 2-pin connector |
| T2z | 2-pin connector |
| T6a | 6-pin connector, on left in engine compartment |
| T10a | 10-pin connector |
| T10b | 10-pin connector |
| T11b | 11-pin connector, on left in engine compartment |
| T12a | 12-pin connector, on left in engine compartment |
| |
| |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 132 | Earth connection 3, in engine compartment wiring harness |
| D175 | Positive connection (83a), in engine compartment wiring harness |
Wiring Diagram VW POLO 2013 - Rear left fog light bulb - Right tail light bulb - Left tail light bulb - Left brake and tail light bulb - Right brake and tail light bulb
| L46 | Rear left fog light bulb |
| M2 | Right tail light bulb |
| M4 | Left tail light bulb |
| M21 | Left brake and tail light bulb |
| M22 | Right brake and tail light bulb |
| T4j | 4-pin connector |
| T4k | 4-pin connector |
| T6h | 6-pin connector |
| T6j | 6-pin connector |
| |
| 295 | Earth connection 10, in interior wiring harness |
| 298 | Earth connection 13, in interior wiring harness |
| 299 | Earth connection 14, in interior wiring harness |
| * | Squareback |
| *2 | Saloon |
| *3 | Only models with rear fog light |
Wiring Diagram VW POLO 2013 - Rear left fog light bulb - Number plate light
| L46 | Rear left fog light bulb |
| T2am | 2-pin connector |
| T2an | 2-pin connector |
| T2c | 2-pin connector |
| T2ck | 2-pin connector |
| T2d | 2-pin connector |
| T5b | 5-pin connector, behind rear left side trim, near wheel arch |
| X | Number plate light |
| |
| 218 | Earth connection 1, in rear lid wiring harness |
| B132 | Connection (number plate lights), in interior wiring harness |
| B495 | Positive connection 3 (58R), in interior wiring harness |
| B606 | Connection 2, in interior wiring harness |
| W11 | Connection (58), in rear lid wiring harness |
| * | Squareback |
| *2 | Saloon |
| *3 | Only models with rear fog light |
Wiring Diagram VW POLO 2013 - Light switch - Fog light switch - Rear fog light switch - Rain and light sensor - Control unit for lighting and wiper functions - Light switch illumination bulb - Front and rear fog light switch illumination bulb
| E1 | Light switch |
| E7 | Fog light switch |
| E18 | Rear fog light switch |
| G397 | Rain and light sensor |
| J917 | Control unit for lighting and wiper functions |
| L9 | Light switch illumination bulb |
| L40 | Front and rear fog light switch illumination bulb |
| T3z | 3-pin connector |
| T10j | 10-pin connector |
| T16e | 16-pin connector |
| T16i | 16-pin connector |
| 277 | Earth connection 3, in interior wiring harness |
| B231 | Positive connection 5 (30a), in interior wiring harness |
| B608 | Connection 4, in interior wiring harness |
| * | Diagnostic connection |
| *2 | Up to October 2011 |
| *3 | According to equipment |
| *4 | From October 2011 |
Wiring Diagram VW POLO 2013 - Fog light relay - Control unit for lighting and wiper functions
Wiring Diagram VW POLO 2013 - Control unit for lighting and wiper functions
| E4 | Headlight dipper and flasher switch |
| E19 | Parking light switch |
| E20 | Switch and instrument illumination regulator |
| J393 | Convenience system central control unit |
| J917 | Control unit for lighting and wiper functions |
| T6l | 6-pin connector |
| T12c | 12-pin connector |
| T12k | 12-pin connector |
| T16i | 16-pin connector |
| T41a | 41-pin connector |
| 238 | Earth connection 1, in interior wiring harness |
| 249 | Earth connection 2, in interior wiring harness |
| 286 | Earth connection 8, in interior wiring harness |
| B164 | Connection (30, door warning light), in interior warning harness |
| B234 | Connection (56), in interior wiring harness |
| B583 | Positive connection (58), in interior wiring harness |
| * | According to equipment |
Wiring Diagram VW POLO 2013 - Control unit for lighting and wiper functions
VW POLO 2013 Engine control unit J623
| – | Next to the battery-Arrow- |
|
|
| A - | Engine control unit -J623- |
| B/C - | 80-pin connector, in the engine control unit -T80a- |
| – | In the lower left-side of the engine compartment -Arrow- | | |
|
| A - | Radiator fan control unit -J293- |
| B - | 6-pin connector in the radiator fan control unit -T6ak- |
| C - | 4-pin connector in the radiator fan control unit -T4aa- |
| – | In the centre of the engine compartment-Arrow- | | |
|
| A - | Automatic gearbox control unit -J217- |
| B/C - | 80-pin connector, in the automatic gearbox control unit -T80b- |
| – | In the centre panel, below the radio system-Arrow- | | |
|
| A - | Air conditioning control unit -J301- |
| B - | 5-pin connector in the Air conditioning control unit -T5l/T5m- |
| C - | 16-pin connector in the Air conditioning control unit -T16c- |
| D - | 2-pin connector in the Air conditioning control unit -T2bo- |
| – | In the centre panel, below the radio system-Arrow- | | |
|
| A - | Climatronic control unit -J255- |
| B - | 20-pin connector, in the Climatronic control unit -T20a- |
| C - | 12-pin connector, in the Climatronic control unit -T12j- |
| D - | 16-pin connector, in the Climatronic control unit -T16g- |
| – | Next to the steering column-Arrow- | | |
|
| A - | Central control unit for convenience system -J393- |
| B - | 12-pin connector in the central control unit for convenience system -T12b- |
| C - | 23-pin connector in the central control unit for convenience system -T23a- |
| D - | 12-pin connector in the central control unit for convenience system -T12c- |
| – | To the left of the steering wheel-Arrow- | | |
|
| A - | Multifunction steering wheel control unit -E221- |
| B - | 6-pin connector in the multifunction steering wheel control unit -T6be- |
| – | To the left of the dash panel-Arrow- | | |
|
| A - | Instrument cluster indicator control unit -J285- |
| B - | 32-pin connector, in the control unit with instrument cluster indicator -T32a- |
| 1 - | Immobilizer reading coil |
| 7 - | CAN-bus "Low" Terminal |
| 8 - | CAN-bus "High" Terminal |
| 9 - | CAN-bus "High" Terminal - convenience - |
| 10 - | CAN-bus "Low" Terminal - convenience - |
| 11 - | Parking light switch |
| - | Turn light/flashing light switch |
| - | Manual switch for headlights/low beams and headlight flashing |
| - | Windscreen wiper delay relay switch (intermittent operation) |
| - | Multifunction indicator call button |
| 12 - | Parking light switch |
| - | Turn light/flashing light switch |
| - | Manual switch for headlights/low beams and headlight flashing |
| - | Windscreen wiper delay relay switch (intermittent operation) |
| - | Multifunction indicator call button |
| 16 - | Low coolant level indicator sensor |
| 17 - | Immobilizer reading coil |
| 20 - | Front left seat belt switch |
| 21 - | Handbrake control switch |
| 22 - | Oil level warning contact |
| 24 - | Onboard electric network control unit |
| 27 - | Parking light switch |
| - | Turn light/flashing light switch |
| - | Manual switch for headlights/low beams and headlight flashing |
| - | Windscreen wiper delay relay switch (intermittent operation) |
| - | Multifunction indicator call button |
| 30 - | Window washing water level sensor |
| 31 - | External temperature sensor, sensor earth point |
| C - | 8-pin connector, in the control unit with instrument cluster indicator -T8a- |
| 1 - | Brake pad wearing indicator |
| 4 - | Terminal 58R, right parking light |
| 6 - | Terminal 58L, left parking light |
| – | Under the centre console-Arrow- | | |
|
| A - | Airbag control unit -J234- |
| B - | 50-pin connector in the airbag control unit -T50a- |
| – | To the right of the engine compartment-Arrow- | | |
|
| A - | ABS control unit -J104- |
| B - | 38-pin connector, in the ABS control unit -T38a- |
| – | Behind the left boot lateral lining-Arrow- | | |
|
| A - | Parking assist control unit -J446- |
| B - | 12-pin connector in the parking assist control unit -T12f- |
| C - | 16-pin connector in the parking assist control unit -T16a- |
| – | Behind the right boot lateral lining-Arrow- | | |
|
| A - | Parking assist control unit -J446- |
| B - | 12-pin connector in the parking assist control unit -T12f- |
| C - | 16-pin connector in the parking assist control unit -T16a- |
| – | In the air tray, to the centre and the right, next to the glove compartment-Arrow- | | |
|
| A - | Air conditioner regulator and control unit -J127- |
| B - | 6-pin connector in the natural air fan control unit -T6al- |
| – | Behind the glove compartment-Arrow- | | |
|
| A - | Interactive system control unit -J879- |
| B - | 16-pin connector in the interactive system control unit -T16d- |
| – | Next to the steering column, to the left-Arrow- | | |
|
| A - | Cleaning and lighting function control unit -J917- |
| B - | 12-pin connector, in the cleaning and lighting function control unit -T12k- |
| C - | 16-pin connector, in the cleaning and lighting function control unit -T16i- |
| – | To the left of the engine compartment-Arrow- | | |
|
| A - | Power steering control unit -J500- |
| B - | 3-pin connector in the driver seat heating control unit -Vazio- |
| C - | 2-pin connector in the driver seat heating control unit -T2ct- |
| D - | 4-pin connector in the driver seat heating control unit -T4ai- |
| – | Next to the internal rear-view mirror, on the ceiling-Arrow- | | |
|
| A - | Sunroof movement control unit -J245- |
| B - | 6-pin connector in the sunroof movement control unit -T6bb- |
| C - | 6-pin connector, in the sunroof movement regulator -T6bc- |
| – | In the relay plate, behind the dash board, to the left-Arrow- | | |
|
| A - | Mirror memory control unit -J267- |
| B - | 18-pin connector, in the mirror memory control unit -T18c- |
| – | In the relay plate, to the left of the dash board-Arrow- | | |
|
| A - | Onboard network control unit -J519- |
| B - | 16-pin connector in the onboard network control unit -T16b- |
| 2 - | CAN-bus "Low" Terminal |
| 3 - | CAN-bus "Low" Terminal |
| 5 - | CAN-bus "High" Terminal |
| 6 - | CAN-bus "High" Terminal |
| 7 - | Windscreen wiper delay relay switch (intermittent operation) |
| 8 - | Windscreen wiper delay relay switch (intermittent operation) |
| 10 - | Left turn signal/flashing light switch |
| 11 - | Instrument cluster indicator control unit |
| 12 - | Turn light/flashing light switch |
| 13 - | Contact switch in the engine compartment lid / front lid for the alarm system |
| C - | 6-pin connector in the onboard network control unit -T6q- |
| 2 - | Tailgate unlocking switch |
| 5 - | Tailgate remote unlocking switch |
| 6 - | Tailgate unlocking switch |
| D - | 18-pin connector in the onboard network control unit -T18a- |
| 3 - | Rear right central locking unit |
| 4 - | Passenger-side central locking unit |
| 6 - | Driver-side open door switch |
| 9 - | Generator (Alternator) |
| 13 - | Rear left central locking unit |
| 16 - | Windscreen wiper motor |
| 17 - | Horn activator contact ring |
| 18 - | Windscreen wiper delay relay |
| E - | 6-pin connector in the onboard network control unit -Vazio- |
| F - | 18-pin connector in the onboard network control unit -T18b- |
| 1 - | Terminal 31 - (Only for export vehicles) |
| - | Empty - (Only for Brazil vehicles) |
| 9 - | CAN-bus "Low" Terminal - Convenience |
| 12 - | CAN-bus "High" Terminal - Convenience |
| 13 - | Terminal 31 - (Only for export vehicles) |
| - | Empty - (Only for Brazil vehicles) |
| G - | 6-pin connector in the onboard network control unit -T6c- |
| 3 - | Warning switch lighting |
| 4 - | Rear window heating system switch |
| 5 - | Rear window heating switch light lamp |
| H - | 5-pin connector in the onboard network control unit -T5f- |
| I - | 5-pin connector in the onboard network control unit -T5d- |
| 4 - | Windscreen wiper motor |
| 5 - | Windscreen wiper motor |
| J - | 6-pin connector in the onboard network control unit -T6t- |
| 1 - | Switch to adjust rear-view mirrors |
| - | Switch to adjust rear-view mirrors |
| 2 - | External driver-side rear-view mirror defogger |
| 4 - | External passenger-side rear-view mirror defogger |
| K - | 6-pin connector in the onboard network control unit -T6m- |
| L - | 6-pin connector in the onboard network control unit -T6u- |
| 5 - | Tailgate unlocking motor |
| – | Next to the internal lighting-Arrow- | | |
|
| A - | Mirror memory control unit -J347- |
| B - | 8-pin connector, in the mirror memory control unit -T8d- |