Wiring Diagram VW POLO 2010 - Battery - Starter - Alternator - Voltage regulator - Onboard supply control unit
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO
| 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 |
| 1 | Earth strap, battery - body |
| 507 | Threaded connection (30), on battery fuse holder |
Wiring Diagram VW POLO 2010 - Ignition/starter switch - X-contact relief relay - Onboard supply control unit
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| T6o | 6-pin connector |
| T8c | 8-pin connector |
| T18a | 18-pin connector |
| 238 | Earth connection 1, in interior wiring harness |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B165 | Positive connection 2 (15), 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 2010 - Onboard supply control unit
| J519 | Onboard supply control unit |
| SA10 | Fuse 10 in fuse holder A |
| SA11 | Fuse 11 in fuse holder A |
| SA19 | Fuse 19 in fuse holder A |
| SA20 | Fuse 20 in fuse holder A |
| SA27 | Fuse 27 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 |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B188 | Positive connection 5 (30), in interior wiring harness |
| B235 | Positive connection 4 (15a), in interior wiring harness |
| B493 | Connection (75x), in interior wiring harness |
Wiring Diagram VW POLO 2010 - Onboard supply control unit
| J519 | Onboard supply control unit |
| T4e | 4-pin connector, in front passenger door |
| T5d | 5-pin connector |
| T5f | 5-pin connector |
| T16e | 16-pin connector |
| 42 | Earth point, next to steering column |
| 249 | Earth connection 2, in interior wiring harness |
| 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 |
| 606 | Earth point, under the centre console near gear stick |
| * | Diagnostic connection |
Wiring Diagram VW POLO 2010 - Onboard supply control unit
| J446 | Parking aid control unit |
| J519 | Onboard supply control unit |
| T16a | 16-pin connector |
| T16b | 16-pin connector |
| T16e | 16-pin connector |
| T18a | 18-pin connector |
| T18b | 18-pin connector |
| B159 | Connection (diagnosis), 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 2010 - Mirror adjustment switch - Mirror adjustment changeover switch - Onboard supply control unit - Mirror adjustment switch illumination bulb
| E43 | Mirror adjustment switch |
| E48 | Mirror adjustment changeover switch |
| J519 | Onboard supply control unit |
| L78 | Mirror adjustment switch illumination bulb |
| T5j | 5-pin connector, in front passenger door |
| T6c | 6-pin connector |
| T10e | 10-pin connector |
| T21a | 21-pin connector, in driver door |
| 205 | Earth connection, in driver door wiring harness |
| B116 | Connection (58d), in interior wiring harness |
| B138 | Positive connection (X), in interior wiring harness |
| R27 | Connection (mirror adjustment), in driver door wiring harness |
| R65 | Positive connection (58), in driver door wiring harness |
Wiring Diagram VW POLO 2010 - Onboard supply control unit - Driver side turn signal repeater bulb - Driver side mirror adjustment motor - Driver side mirror adjustment motor
| J519 | Onboard supply control unit |
| L131 | Driver side turn signal repeater bulb |
| T5n | 5-pin connector, in driver door |
| T6u | 6-pin connector |
| T12g | 12-pin connector, in driver door |
| T16b | 16-pin connector |
| V17 | Driver side mirror adjustment motor |
| V149 | Driver side mirror adjustment motor |
| B152 | Connection (LTS), in interior wiring harness |
Wiring Diagram VW POLO 2010 - Potentiometer for horizontal adjustment of front passenger side mirror - Potentiometer for vertical adjustment of front passenger side mirror - Mirror memory control unit - Front passenger side mirror adjustment motor - Front passenger side mirror adjustment motor
| G516 | Potentiometer for horizontal adjustment of front passenger side mirror |
| G517 | Potentiometer for vertical adjustment of front passenger side mirror |
 ">J267 | "> Mirror memory control unit |
| L132 | Front passenger side turn signal repeater bulb |
| T5j | 5-pin connector, in front passenger door |
| T12h | 12-pin connector, in front passenger door |
| T18c | 18-pin connector |
| T21b | 21-pin connector, in front passenger door |
| V25 | Front passenger side mirror adjustment motor |
| V150 | Front passenger side mirror adjustment motor |
Wiring Diagram VW POLO 2010 - Mirror memory control unit - Front passenger side turn signal repeater bulb - Front passenger side mirror adjustment motor - Front passenger side mirror adjustment motor
| ">J267 | "> Mirror memory control unit |
| L132 | Front passenger side turn signal repeater bulb |
| T4e | 4-pin connector, in front passenger door |
| T12h | 12-pin connector, in front passenger door |
| T18c | 18-pin connector |
| T21b | 21-pin connector, in front passenger door |
| V25 | Front passenger side mirror adjustment motor |
| V150 | Front passenger side mirror adjustment motor |
| B153 | Connection (RTS), in interior wiring harness |
| * | Up to April 2010 |
| *2 | Only models with electrically adjustable exterior mirrors |
Wiring Diagram VW POLO 2010 - Mirror memory control unit
| ">J267 | "> Mirror memory control unit |
| T5j | 5-pin connector, in front passenger door |
| T16e | 16-pin connector |
| T18c | 18-pin connector |
| T21a | 21-pin connector, in driver door |
| 286 | Earth connection 8, in interior wiring harness |
| B231 | Positive connection 5 (30a), in interior wiring harness |
| * | Diagnostic connection |
Wiring Diagram VW POLO 2010 - Reversing light switch - Mirror memory control unit - Left reversing light bulb - Right reversing light bulb
| F4 | Reversing light switch |
| ">J267 | "> Mirror memory control unit |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T2aa | 2-pin connector |
| T2ao | 2-pin connector |
| T2ap | 2-pin connector |
| T5b | 5-pin connector, behind rear left side trim, near wheel arch |
| T6h | 6-pin connector |
| T6j | 6-pin connector |
| T6k | 6-pin connector, on left in engine compartment |
| T18c | 18-pin connector |
| 50 | Earth point, on left in luggage compartment |
| 218 | Earth connection 1, in rear lid wiring harness |
| 295 | Earth connection 10, in interior wiring harness |
| B182 | Connection (RL), in interior wiring harness |
| Q158 | Connection (RL) in rear lid wiring harness |
| * | Squareback |
| *2 | Only models with no rear fog light |
| *3 | Saloon |
Wiring Diagram VW POLO 2010 - Rev. counter - Speedometer - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp
| G5 | Rev. counter |
| G21 | Speedometer |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| T8a | 8-pin connector |
| T32a | 32-pin connector |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
VW POLO 2010 Engine control unit (80-pin) J623
| | | Designation of connector: |
| A - | Engine control unit -J623- |
| B/C - | 80-pin connector, on engine control unit -T80a- |
| Designation of connector: |
| A - | Engine control unit -J623- |
| B/C - | 121-pin connector, on engine control unit -T121a- |
| – | in engine compartment, bottom left -arrow- | | | |
| Designation of connector: |
| A - | Radiator fan control unit -J293- |
| B - | 6-pin connector, on radiator fan control unit -T6ak- |
| C - | 4-pin connector, on radiator fan control unit -T4aa- |
| – | in engine compartment, left -arrow- | | | |
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B - | 68-pin connector, on automatic gearbox control unit -T68a- |
| – | in engine compartment, centre -arrow- | | | |
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B/C - | 80-pin connector, on automatic gearbox control unit -T80b- |
| – | behind the door trim, front left -arrow- | | | |
| Designation of connector: |
| A - | Driver door control unit -J386- |
| B - | 6-pin connector, on control unit driver door -T6y- |
| C - | 8-pin connector, on control unit driver door -T8g- |
| – | behind the door trim, front right -arrow- | | | |
| Designation of connector: |
| A - | Front passenger door control unit -J387- |
| B - | 8-pin connector, on control unit front passenger door -T8i- |
| – | behind the door trim, rear left -arrow- | | | |
| Designation of connector: |
| A - | Rear left door control unit -J388- |
| B - | 8-pin connector, on door control unit, rear left -T8k- |
| – | behind the door trim, rear right -arrow- | | | |
| Designation of connector: |
| A - | Rear right door control unit -J389- |
| B - | 8-pin connector, on door control unit, rear left -T8l- |
| – | in centre dash panel, under radio -arrow- | | | |
| Designation of connector: |
| A - | Heater control unit -J162- |
| B - | 5-pin connector, on heater control unit -Vazio- |
| C - | 16-pin connector, on heater control unit -T16h- |
| D - | 18-pin connector, on heater control unit -Vazio- |
| – | in centre dash panel, under radio -arrow- | | | |
| Designation of connector: |
| A - | Air conditioning system control unit -J301- |
| B - | 5-pin connector, on air conditioning system control unit -T5l/T5m- |
| C - | 16-pin connector, on heater control unit -T16c- |
| D - | 2-pin connector, on heater control unit -T2bo- |
| – | in centre dash panel, under radio -arrow- | | | |
| Designation of connector: |
| A - | Climatronic control unit -J255- |
| B - | 20-pin connector, on Climatronic control unit -T20a- |
| C - | 12-pin connector, on Climatronic control unit -T12j- |
| D - | 16-pin connector, on Climatronic control unit -T16g- |
| – | near steering column -arrow- | | | |
| Designation of connector: |
| A - | Convenience system central control unit -J393- |
| B - | 12-pin connector, on convenience system central control unit -T12b- |
| C - | 23-pin connector, on convenience system central control unit -T23a- |
| D - | 12-pin connector, on convenience system central control unit -T12c- |
| – | on steering wheel, left -arrow- | | | |
| Designation of connector: |
| A - | Operating unit in multifunction steering wheel -E221- |
| B - | 6-pin connector, on multifunction steering wheel control unit -T6be- |
| – | on dash panel, left -arrow- | | | |
| Designation of connector: |
| A - | Control unit with display in dash panel insert -J285- |
| B - | 32-pin connector, on control unit with display in dash panel insert -T32a- |
| 1 - | Immobilizer reader coil |
| 8 - | Terminal CAN-Bus high |
| 9 - | Terminal CAN-Bus high (convenience) |
| 10 - | Terminal CAN-Bus low (convenience) |
| 11 - | Parking light switch |
| - | Headlight dipper/flasher switch |
| - | Intermittent wiper switch |
| - | Multifunction display call-up button |
| 12 - | Parking light switch |
| - | Headlight dipper/flasher switch |
| - | Intermittent wiper switch |
| - | Multifunction display call-up button |
| 16 - | Coolant shortage indicator sender |
| 17 - | Immobilizer reader coil |
| 20 - | Front left belt switch |
| 21 - | Handbrake warning switch |
| 22 - | Oil level warning contact |
| 24 - | Onboard supply control unit |
| 27 - | Parking light switch |
| - | Headlight dipper/flasher switch |
| - | Intermittent wiper switch |
| - | Multifunction display call-up button |
| 30 - | Windscreen washer fluid level sender |
| 31 - | Ambient temperature sensor, sensor earth |
| C - | 8-pin connector, on control unit with display in dash panel insert -T8a- |
| 4 - | Terminal 58R, right parking light |
| 6 - | Terminal 58L, left parking light |
| – | under centre console -arrow- | | | |
| Designation of connector: |
| A - | Airbag control unit -J234- |
| B - | 50-pin connector, on airbag control unit -T50a- |
| – | in engine compartment, right -arrow- | | | |
| Designation of connector: |
| A - | ABS control unit -J104- |
| B - | 38-pin connector, on ABS control unit -T38a- |
| – | in engine compartment, right -arrow- | | | |
| Designation of connector: |
| A - | ABS control unit -J104- |
| B - | 42-pin connector, on ABS control unit -T42a- |
| – | behind side trim, in left luggage compartment -arrow- | | | |
| Designation of connector: |
| A - | Parking aid control unit -J446- |
| B - | 12-pin connector, on parking aid control unit -T12f- |
| C - | 16-pin connector, on parking aid control unit -T16a- |
| – | behind side trim, in right luggage compartment -arrow- | | | |
| Designation of connector: |
| A - | Parking aid control unit -J446- |
| B - | 12-pin connector, on parking aid control unit -T12f- |
| C - | 16-pin connector, on parking aid control unit -T16a- |
| – | on blower box, centre right, near glove compartment -arrow- | | | |
| Designation of connector: |
| A - | Control and regulating unit for air conditioning system -J127- |
| B - | 6-pin connector, on fresh air blower control unit -T6al- |
| – | behind the glove compartment -arrow- | | | |
| Designation of connector: |
| A - | Control unit for interactive system -J879- |
| B - | 16-pin connector, on control unit for interactive system -T16d- |
| – | next to left steering column -arrow- | | | |
| Designation of connector: |
| A - | Control unit for lighting and wiper functions -J917- |
| B - | 12-pin connector, on control unit for lighting and wiper functions -T12k- |
| C - | 16-pin connector, on control unit for lighting and wiper functions -T16i- |
| – | in engine compartment, left -arrow- | | | |
| Designation of connector: |
| A - | Power steering control unit -J500- |
| B - | 3-pin connector, on heated driver seat control unit -Vazio- |
| C - | 2-pin connector, on heated driver seat control unit -T2ct- |
| D - | 4-pin connector, on heated driver seat control unit -T4ai- |
| – | near interior mirror, on roof-arrow- | | | |
| Designation of connector: |
| A - | Sliding sunroof adjustment control unit -J245- |
| B - | 6-pin connector, on sliding sunroof adjustment control unit -T6bb- |
| C - | 6-pin connector, on sliding sunroof adjustment regulator -T6bc- |
| – | on relay plate, behind the dash panel, left -arrow- | | | |
| Designation of connector: |
| A - | Mirror memory control unit -J267- |
| B - | 18-pin connector, on mirror memory control unit -T18c- |
| – | on relay plate, dash panel, left -arrow- | | | |
| Designation of connector: |
| A - | Onboard supply control unit -J519- |
| B - | 16-pin connector, on onboard supply control unit -T16b- |
| 5 - | Terminal CAN-Bus high |
| 6 - | Terminal CAN-Bus high |
| 7 - | Intermittent wiper switch |
| 8 - | Intermittent wiper switch |
| 10 - | Left turn signal switch |
| 11 - | Control unit with display in dash panel insert |
| 13 - | Anti-theft alarm and vermin repellent system contact switch |
| C - | 6-pin connector, on onboard supply control unit -T6q- |
| 2 - | Rear lid release switch |
| 3 - | Luggage compartment light switch |
| 4 - | Luggage compartment light switch |
| - | Luggage compartment light |
| 5 - | Rear lid remote release button |
| 6 - | Rear lid release switch |
| D - | 18-pin connector, on onboard supply control unit -T18a- |
| 3 - | Rear right central locking lock unit |
| 4 - | Front passenger side central locking lock unit |
| 6 - | Driver door open switch |
| 13 - | Rear left central locking lock unit |
| 14 - | Ignition/starter switch |
| 16 - | Windscreen wiper motor |
| 17 - | Horn activation contact ring |
| E - | 6-pin connector, on onboard supply control unit -Vazio- |
| F - | 18-pin connector, on onboard supply control unit -T18b- |
| 1 - | Terminal 31 (Export models only) |
| - | vacant (Brazil models only) |
| 9 - | Terminal CAN-Bus low (convenience) |
| 12 - | Terminal CAN-Bus high (convenience) |
| 13 - | Terminal 31 (Export models only) |
| - | vacant (Brazil models only) |
| G - | 6-pin connector, on onboard supply control unit -T6c- |
| 3 - | Hazard warning light switch illumination |
| 4 - | Heated rear window switch |
| 5 - | Heated rear window switch illumination bulb |
| 6 - | Hazard warning lights button |
| H - | 5-pin connector, on onboard supply control unit -T5f- |
| 2 - | Horn or dual tone horn |
| I - | 5-pin connector, on onboard supply control unit -T5d- |
| 4 - | Windscreen wiper motor |
| 5 - | Windscreen wiper motor |
| J - | 6-pin connector, on onboard supply control unit -T6t- |
| 1 - | Mirror adjustment change-over switch |
| - | Mirror adjustment switch |
| 2 - | Driver side heated exterior mirror |
| 4 - | Front passenger side heated exterior mirror |
| K - | 6-pin connector, on onboard supply control unit -T6m- |
| L - | 6-pin connector, on onboard supply control unit -T6u- |
| 5 - | Rear lid release motor |
| – | near interior lighting -arrow- | | | |
| Designation of connector: |
| A - | Mirror memory control unit -J347- |
| B - | 8-pin connector, on mirror memory control unit -T8d- |
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