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

| A | Battery |
| B | Starter |
| C | Alternator |
| D | Ignition/starter switch |
| SA | Fuse holder A |
| SA1 | Fuse 1 in fuse holder A |
| SA3 | Fuse 3 in fuse holder A |
| SA4 | Fuse 4 in fuse holder A |
| SA7 | Fuse 7 in fuse holder A |
| SB | Fuse holder B |
| SB3 | Fuse 3 on fuse holder B |
| SB6 | Fuse 6 on fuse holder B |
| T1m | Single connector |
| T2 | 2-pin connector |
| T6ba | 6-pin connector |
| T8 | 8-pin connector |
| 624 | Earth point, starter battery |
| A15 | Positive connection (15), in instrument wiring harness |
| B239 | Positive connection 1 (50), in interior wiring harness |
| * | Gradually discontinued |
Wiring Diagram VW POLO 2013 - Terminal 30 voltage supply relay - Fuel supply relay - Fuse holder B
| J317 | Terminal 30 voltage supply relay |
| J643 | Fuel supply relay |
| SB | Fuse holder B |
| SB10 | Fuse 10 on fuse holder B |
| SB19 | Fuse 19 on fuse holder B |
| SB20 | Fuse 20 on fuse holder B |
| SB23 | Fuse 23 on fuse holder B |
| SB26 | Fuse 26 on fuse holder B |
| SB28 | Fuse 28 on fuse holder B |
| SB29 | Fuse 29 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 |
| SB36 | Fuse 36 on fuse holder B |
| A15 | Positive connection (15), in instrument wiring harness |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| A52 | Positive connection 2 (30), in dash panel wiring harness |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B170 | Positive connection 2 (30), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Automatic glow period control unit - Engine control unit - Glow plug 1 - Glow plug 2 - Glow plug 3
| J179 | Automatic glow period control unit |
| J623 | Engine control unit |
| Q10 | Glow plug 1 |
| Q11 | Glow plug 2 |
| Q12 | Glow plug 3 |
| T11 | 11-pin connector |
| T14 | 14-pin connector |
| T94 | 94-pin connector |
| B362 | Positive connection 13 (87a) in main wiring harness |
Wiring Diagram VW POLO 2013 - Onboard supply control unit - Engine control unit
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T14 | 14-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| T94 | 94-pin connector |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 132 | Earth connection 3, in engine compartment wiring harness |
| 201 | Earth connection 5, in engine compartment wiring harness |
| 640 | Earth point 2, left in engine compartment |
| A33 | Connection (75), in dash panel wiring harness |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B162 | Connection (75a), in interior wiring harness |
| B277 | Positive connection 1 (15a) in main wiring harness |
| D182 | Connection 3 (87a) in engine compartment wiring harness |
| * | Gradually discontinued |
Wiring Diagram VW POLO 2013 - Charge pressure sender - Intake air temperature sender - Throttle valve potentiometer - Accelerator position sender - Accelerator position sender 2 - Throttle valve module - Engine control unit
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G69 | Throttle valve potentiometer |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J338 | Throttle valve module |
| J623 | Engine control unit |
| T4au | 4-pin connector |
| T4d | 4-pin connector |
| T5e | 5-pin connector |
| T6b | 6-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| 167 | Earth connection 4, in engine compartment wiring harness |
| B177 | Connection (61), in interior wiring harness |
Wiring Diagram VW POLO 2013 - Brake light switch - Clutch pedal switch - Air mass meter - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Fuel pressure regulating valve
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Brake pedal switch |
| G61 | Knock sensor 1 |
| G70 | Air mass meter |
| J623 | Engine control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N276 | Fuel pressure regulating valve |
| T2cl | 2-pin connector |
| T2cm | 2-pin connector |
| T2cn | 2-pin connector |
| T2cp | 2-pin connector |
| T2g | 2-pin connector |
| T4e | 4-pin connector |
| T4f | 4-pin connector |
| T4l | 4-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| D73 | Positive connection (54), in engine compartment wiring harness |
| D183 | Connection 4 (87a) in engine compartment wiring harness |
Wiring Diagram VW POLO 2013 - Coolant temperature sender - Fuel temperature sender - Intake manifold flap potentiometer - Power steering control unit - Engine control unit - Fuel metering valve - Intake manifold flap motor
| G62 | Coolant temperature sender |
| G81 | Fuel temperature sender |
| G336 | Intake manifold flap potentiometer |
| J500 | Power steering control unit |
| J623 | Engine control unit |
| N290 | Fuel metering valve |
| T2cq | 2-pin connector |
| T2cr | 2-pin connector |
| T2cs | 2-pin connector |
| T2di | 2-pin connector |
| T3s | 3-pin connector |
| T5f | 5-pin connector |
| T14 | 14-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V157 | Intake manifold flap motor |
| V466 | Electrical power steering pump |
| 316 | Earth connection (sender earth 2) in engine wiring harness |
| 671 | Earth point 1, on front of left longitudinal member |
| 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 POLO 2013 - Lambda probe - Exhaust gas recirculation potentiometer - Fuel pressure sender - Position sender for charge pressure positioner - Engine control unit - Exhaust gas recirculation valve - Charge pressure control solenoid valve - Exhaust gas recirculation cooler changeover valve
| G39 | Lambda probe |
| G212 | Exhaust gas recirculation potentiometer |
| G247 | Fuel pressure sender |
| G581 | Position sender for charge pressure positioner |
| J623 | Engine control unit |
| N18 | Exhaust gas recirculation valve |
| N75 | Charge pressure control solenoid valve |
| N345 | Exhaust gas recirculation cooler changeover valve |
| T2cj | 2-pin connector |
| T2ck | 2-pin connector |
| T3o | 3-pin connector |
| T3p | 3-pin connector |
| T6e | 6-pin connector |
| T6q | 6-pin connector |
| T14 | 14-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| Z19 | Lambda probe heater |
| 85 | Earth connection 1, in engine compartment wiring harness |
| B574 | Positive connection 20 (87a) in main wiring harness |
| D141 | Connection (5V) in engine prewiring harness |
| D189 | Connection (87a) in engine prewiring harness |
Wiring Diagram VW POLO 2013 - Engine speed sender - Hall sender - Radiator outlet coolant temperature sender - Exhaust gas temperature sender 1 - Engine control unit - Coolant circulation pump 2
| G28 | Engine speed sender |
| G40 | Hall sender |
| G83 | Radiator outlet coolant temperature sender |
| G235 | Exhaust gas temperature sender 1 |
| J623 | Engine control unit |
| T2ct | 2-pin connector |
| T2cw | 2-pin connector |
| T3c | 3-pin connector |
| T3l | 3-pin connector |
| T3n | 3-pin connector |
| T14 | 14-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V178 | Coolant circulation pump 2 |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 281 | Earth point 1, engine prewiring harness |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| D141 | Connection (5V) in engine prewiring harness |
Wiring Diagram VW POLO 2013 - High-pressure sender - Radiator fan control unit - Engine control unit - Air conditioner compressor regulating valve
| G65 | High-pressure sender |
| J32 | Air conditioning system relay |
| J293 | Radiator fan control unit |
| J623 | Engine control unit |
| N280 | Air conditioner compressor regulating valve |
| SC2 | Fuse 2 on fuse holder C |
| T2eo | 2-pin connector |
| T3ag | 3-pin connector |
| T4ab | 4-pin connector |
| T8 | 8-pin connector |
| T94 | 94-pin connector |
| V7 | Radiator fan |
| 82 | Earth connection 1, in front left wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 671 | Earth point 1, on front of left longitudinal member |
| A20 | Positive connection (15a), in dash panel wiring harness |
| D155 | Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness |
| * | Only models with air conditioning system |
Wiring Diagram VW POLO 2013 - Fuel gauge sender - Ambient temperature sensor - Control unit in dash panel insert - Dash panel insert
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G6 | Fuel system pressurisation pump |
| G17 | Ambient temperature sensor |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K29 | Glow period warning lamp |
| K83 | Exhaust emissions warning lamp |
| K105 | Reserve fuel warning lamp |
| T2fm | 2-pin connector |
| 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 - Oil level and oil temperature sender - Control unit in dash panel insert - Dash panel insert
| F1 | Oil pressure switch |
| G266 | Oil level and oil temperature sender |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K38 | Oil level warning lamp |
| T1o | Single connector |
| T3e | 3-pin connector |
| T14 | 14-pin connector |
| T32 | 32-pin connector |
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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