Wiring Diagram VW POLO 2013 - Battery - Starter - Alternator - Ignition/starter switch - Fuse holder A

| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| SA | Fuse holder A |
| SA1 | Fuse 1 in fuse holder A |
| SA3 | Fuse 3 in fuse holder A |
| T1m | Single connector |
| T2 | 2-pin connector |
| T2aa | 2-pin connector |
| T8a | 8-pin connector |
| 624 | Earth point, starter battery |
| A15 | Positive connection (15), in instrument wiring harness |
Wiring Diagram VW POLO 2013 - Fuel pump relay - Fuel supply relay
| J17 | Fuel pump relay |
| J643 | Fuel supply relay |
| SB3 | Fuse 3 on fuse holder B |
| SB6 | Fuse 6 on fuse holder B |
| SB10 | Fuse 10 on fuse holder B |
| SB19 | Fuse 19 on fuse holder B |
| SB28 | Fuse 28 on fuse holder B |
| SB30 | Fuse 30 on fuse holder B |
| SB31 | Fuse 31 on fuse holder B |
| SB32 | Fuse 32 on fuse holder B |
| SB33 | Fuse 33 on fuse holder B |
| SB35 | Fuse 35 on fuse holder B |
| SB55 | Fuse 55 on fuse holder B |
| T6aq | 6-pin connector |
| T10b | 10-pin connector |
| A32 | Positive connection (30), in dash panel wiring harness |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| A52 | Positive connection 2 (30), in dash panel wiring harness |
| A57 | Positive connection 3 (30), in dash panel wiring harness |
| A99 | Connection 1 (87) in dash panel wiring harness |
| A151 | Connection 4 (87) in dash panel wiring harness |
| B170 | Positive connection 2 (30), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Accelerator position sender - Accelerator position sender 2 - Current supply relay for Simos control unit - Engine control unit
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J363 | Current supply relay for Simos control unit |
| J623 | Engine control unit |
| T6b | 6-pin connector |
| T9 | 9-pin connector |
| T14 | 14-pin connector |
| T80 | 80-pin connector |
| 80 | Earth connection 1, in dash panel wiring harness |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 201 | Earth connection 5, in engine compartment wiring harness |
| 640 | Earth point 2, left in engine compartment |
| A38 | Positive connection 2 (15a) in dash panel wiring harness |
| B169 | Positive connection 1 (30), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| Q23 | Spark plug 1 |
| Q24 | Spark plug 2 |
| Q25 | Spark plug 3 |
| T1q | Single connector |
| T1r | Single connector |
| T1s | Single connector |
| T4a | 4-pin connector |
| T4b | 4-pin connector |
| T4c | 4-pin connector |
| T14 | 14-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| T80 | 80-pin connector |
| 91 | Earth connection 1, in fully electronic ignition system wiring harness |
| 281 | Earth point 1, engine prewiring harness |
| F2 | Positive connection (87a), in fully electronic ignition wiring harness |
Wiring Diagram VW POLO 2013 - Knock sensor 1 - Onboard supply control unit - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Activated charcoal filter solenoid valve 1
| G61 | Knock sensor 1 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N80 | Activated charcoal filter solenoid valve 1 |
| T2c | 2-pin connector |
| T2d | 2-pin connector |
| T2e | 2-pin connector |
| T2g | 2-pin connector |
| T2i | 2-pin connector |
| T14 | 14-pin connector |
| T16b | 16-pin connector |
| T73b | 73-pin connector |
| T80 | 80-pin connector |
| U31 | Diagnostic connection |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| D140 | Connection (injectors), in engine prewiring harness |
Wiring Diagram VW POLO 2013 - Engine speed sender - Hall sender - Intake air temperature sender - Coolant temperature sender - Air conditioning system control unit - Engine control unit
| G28 | Engine speed sender |
| G40 | Hall sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G65 | High-pressure sender |
| G71 | Intake manifold pressure sender |
| J301 | Air conditioning system control unit |
| J623 | Engine control unit |
| T2h | 2-pin connector |
| T3ag | 3-pin connector |
| T3c | 3-pin connector |
| T3d | 3-pin connector |
| T4d | 4-pin connector |
| T18 | 18-pin connector |
| T80 | 80-pin connector |
| 283 | Earth point 2, engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
| D155 | Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness |
Wiring Diagram VW POLO 2013 - Brake light switch - Throttle valve drive for electric throttle - Throttle valve drive angle sender 1 for electric throttle - Throttle valve drive angle sender 2 for electric throttle - ABS control unit - Throttle valve module - Engine control unit
| F | Brake light switch |
| G186 | Throttle valve drive for electric throttle |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| J104 | ABS control unit |
| J338 | Throttle valve module |
| J623 | Engine control unit |
| T4e | 4-pin connector |
| T6a | 6-pin connector |
| T38 | 38-pin connector |
| T80 | 80-pin connector |
| 132 | Earth connection 3, in engine compartment wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
Wiring Diagram VW POLO 2013 - Lambda probe - Lambda probe after catalytic converter - Clutch position sender - Engine control unit
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| G476 | Clutch position sender |
| J623 | Engine control unit |
| T4f | 4-pin connector |
| T4g | 4-pin connector |
| T4h | 4-pin connector |
| T80 | 80-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| A100 | Connection 2 (87) in dash panel wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| E29 | Connection, in engine wiring harness |
Wiring Diagram VW POLO 2013 - Fuel gauge sender - Fuel system pressurisation pump - Control unit in dash panel insert - Dash panel insert
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G6 | Fuel system pressurisation pump |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K105 | Reserve fuel warning lamp |
| T5 | 5-pin connector |
| T32 | 32-pin connector |
| 81 | Earth connection 1, in dash panel wiring harness |
| 199 | Earth connection 3, in dash panel wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 606 | Earth point, under the centre console near gear stick |
Wiring Diagram VW POLO 2013 - Oil pressure switch - Vehicle speed sender - Control unit in dash panel insert - Dash panel insert
| F1 | Oil pressure switch |
| G68 | Vehicle speed sender |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K3 | Oil pressure warning lamp |
| T1o | Single connector |
| T3au | 3-pin connector |
| T14 | 14-pin connector |
| T32 | 32-pin connector |
| B277 | Positive connection 1 (15a) in main wiring harness |
VW POLO 2013 Overview of coupling stations and connectors
| 1 - | Coupling station on right A-pillar -T28a- |
| 2 - | Coupling station for right exterior mirror -T10f- |
| q | Fitting location → Chapter |
| 3 - | Coupling station on right B-pillar -T28c- |
| q | Fitting location → Chapter |
| 4 - | Coupling station for tank filler flap lock -T2ea- |
| q | Fitting location → Chapter |
| 5 - | Coupling stations for aerials |
| q | Fitting location: on rear cross member |
| 6 - | Coupling stations in rear lid -T5i-, -T5j- |
| q | Fitting location → Chapter |
| 7 - | Rear lid coupling stations -T5h-, T5k- |
| q | Fitting location → Chapter |
| 8 - | Coupling station on left B-pillar -T28b- |
| q | Fitting location → Chapter |
| 9 - | Coupling station for left exterior mirror -T10v- |
| q | Fitting location → Chapter |
| 10 - | Coupling station on heater and air conditioner unit -T10c- |
| q | Fitting location → Chapter |
| 11 - | Coupling station on left A-pillar -T28- |
| 12 - | Coupling station, engine -T14- |
| q | Fitting location → Chapter |
| 13 - | Coupling stations in engine compartment -T2aa-,·-T2ep-,·-T8- |
| q | Fitting location: on gearbox |
| 14 - | Coupling station on radiator fan -T4ab- |
| q | Fitting location → chapter |
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