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 |
| |
Wiring Diagram VW POLO 2013 - Ignition/starter switch - Onboard supply control unit
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J519 | Onboard supply control unit |
| T8c | 8-pin connector |
| T18a | 18-pin connector |
| T41a | 41-pin connector |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B172 | Positive connection 4 (30), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Intermittent wiper regulator - X-contact relief relay - Onboard supply control unit
| E38 | Intermittent wiper regulator |
| E102 | Headlight range control regulator |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| T6l | 6-pin connector |
| T6o | 6-pin connector |
| T16b | 16-pin connector |
| T16e | 16-pin connector, near relay carrier |
| T18a | 18-pin connector |
| T41a | 41-pin connector |
| 238 | Earth connection 1, in interior wiring harness |
| 249 | Earth connection 2, in interior wiring harness |
| 278 | Earth connection 4, in interior wiring harness |
| 284 | Earth connection 6, in interior wiring harness |
| |
| * | Diagnostic connection |
| *2 | Squareback |
| *3 | Saloon |
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Rear window wiper motor - Windscreen and rear window washer pump
| 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 (low box) |
| T18a | 18-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 - Heated rear window button - Onboard supply control unit - Heated rear window switch illumination bulb - Heated rear window
| E229 | Hazard warning lights button |
| E230 | Heated rear window button |
| J519 | Onboard supply control unit |
| L39 | Heated rear window switch illumination bulb |
| T1m | Single connector |
| T1n | Single connector |
| T5d | 5-pin connector |
| T5f | 5-pin connector |
| T5g | 5-pin connector, behind rear left side trim, near wheel arch |
| T5i | 5-pin connector, in rear lid |
| T6c | 6-pin connector |
| T6d | 6-pin connector |
| T6e | 6-pin connector |
| Z1 | Heated rear window |
| |
| |
| 279 | Earth connection 5, in interior wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 299 | Earth connection 14, in interior wiring harness |
| |
| B180 | Connection (heated rear window), in interior wiring harness |
| * | Saloon |
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Windscreen wiper motor
| E102 | Headlight range control regulator |
| J519 | Onboard supply control unit |
| T4o | 4-pin connector |
| T5d | 5-pin connector |
| T5f | 5-pin connector |
| T6c | 6-pin connector |
| T6g | 6-pin connector, on left in engine compartment |
| T6l | 6-pin connector |
| T12a | 12-pin connector, on left in engine compartment |
| T16b | 16-pin connector |
| T16e | 16-pin connector, near relay carrier |
| T18a | 18-pin connector |
| V | Windscreen wiper motor |
| 296 | Earth connection 11, in interior wiring harness |
| B116 | Connection (58d), in interior wiring harness |
| B159 | Connection (diagnosis), in interior wiring harness |
| B165 | Positive connection 2 (15), in interior wiring harness |
| B492 | Positive connection 3 (15), in interior wiring harness |
| * | Diagnostic connection |
Wiring Diagram VW POLO 2013 - Onboard supply control unit
| J519 | Onboard supply control unit |
| SA1 | Fuse 1 in fuse holder A |
| SA10 | Fuse 10 in fuse holder A |
| SA16 | Fuse 16 in fuse holder A |
| SA20 | Fuse 20 in fuse holder A |
| SA26 | Fuse 26 in fuse holder A |
| SA29 | Fuse 29 in fuse holder A |
| T16e | 16-pin connector, near relay carrier |
| T18a | 18-pin connector |
| B162 | Connection (75a), in interior wiring harness |
| B188 | Positive connection 5 (30), in interior wiring harness |
| B231 | Positive connection 5 (30a), in interior wiring harness |
| B493 | Connection (75x), in interior wiring harness |
| * | Diagnostic connection |
Wiring Diagram VW POLO 2013 - Control unit in dash panel insert - Onboard supply control unit - Dash panel insert
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- |
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