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 |
S162 | Fuse 1 (30), in battery fuse holder |
S163 | Fuse 2 (30), in battery fuse holder |
S164 | Fuse 3 (30), in battery fuse holder |
S180 | Fuse 8 (30), in battery fuse holder |
S267 | Fuse 9 (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 - Onboard supply control unit - Fuel supply relay
D | Ignition/starter switch |
E2 | Turn signal switch |
J519 | Onboard supply control unit |
J643 | Fuel supply relay |
T8c | 8-pin connector |
T10c | 10-pin connector |
T12d | 12-pin connector |
T16b | 16-pin connector |
T18a | 18-pin connector |
T41a | 41-pin connector |
B172 | Positive connection 4 (30), in interior wiring harness |
B491 | Positive connection (75), in interior wiring harness |
* | Only models with driver and front passenger airbags |
*2 | Only models with multifunction steering wheel |
Wiring Diagram VW POLO 2010 - X-contact relief relay - Onboard supply control unit
J59 | X-contact relief relay |
J519 | Onboard supply control unit |
T5f | 5-pin connector |
T6o | 6-pin connector |
T11b | 11-pin connector, on left in engine compartment |
T18a | 18-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 |
296 | Earth connection 11, in interior wiring harness |
606 | Earth point, under the centre console near gear stick |
B492 | Positive connection 3 (15), 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 |
T6ah | 6-pin connector |
T16b | 16-pin connector |
T16e | 16-pin connector |
T18a | 18-pin connector |
T18b | 18-pin connector |
B162 | Connection (75a), 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 |
*2 | Only models with driver and front passenger airbags |
*3 | Only models with multifunction steering wheel |
Wiring Diagram VW POLO 2010 - Fuse 4 in fuse holder A - Fuse 5 in fuse holder A - Fuse 9 in fuse holder A - Fuse 10 in fuse holder A - Fuse 14 in fuse holder A - Fuse 16 in fuse holder A - Fuse 18 in fuse holder A
SA4 | Fuse 4 in fuse holder A |
SA5 | Fuse 5 in fuse holder A |
SA9 | Fuse 9 in fuse holder A |
SA10 | Fuse 10 in fuse holder A |
SA14 | Fuse 14 in fuse holder A |
SA16 | Fuse 16 in fuse holder A |
SA18 | Fuse 18 in fuse holder A |
T6k | 6-pin connector, on left in engine compartment |
T11d | 11-pin connector, on left in engine compartment |
B171 | Positive connection 3 (30), in interior wiring harness |
B608 | Connection 4, in interior wiring harness |
Wiring Diagram VW POLO 2010 - Fuse 25 in fuse holder A - Fuse 32 in fuse holder A - Fuse 35 in fuse holder A - Fuse 36 in fuse holder A - Fuse 37 in fuse holder A - Fuse 40 in fuse holder A - Fuse 41 in fuse holder A
E9 | Fresh air blower switch |
J127 | Control and regulating unit for air conditioning system |
SA25 | Fuse 25 in fuse holder A |
SA32 | Fuse 32 in fuse holder A |
SA35 | Fuse 35 in fuse holder A |
SA36 | Fuse 36 in fuse holder A |
SA37 | Fuse 37 in fuse holder A |
SA40 | Fuse 40 in fuse holder A |
SA41 | Fuse 41 in fuse holder A |
T3c | 3-pin connector, on left in engine compartment |
T5m | 5-pin connector |
T6al | 6-pin connector |
T6b | 6-pin connector, on left in engine compartment |
T10d | 10-pin connector, behind dash panel, right |
B218 | Positive connection 6 (30), in interior wiring harness |
* | Only models with air conditioning system |
*2 | Only models with Climatic |
*3 | Only models with Climatronic |
Wiring Diagram VW POLO 2010 - Engine control unit
J623 | Engine control unit |
SA45 | Fuse 45 in fuse holder A |
T6b | 6-pin connector, on left in engine compartment |
T80a | 80-pin connector |
D104 | Positive connection 2 (30a), in engine compartment wiring harness |
Wiring Diagram VW POLO 2010 - Engine control unit
E45 | Cruise control system switch |
E227 | Cruise control system (CCS) SET button |
J301 | Air conditioning system control unit |
J623 | Engine control unit |
T6k | 6-pin connector, on left in engine compartment |
T11b | 11-pin connector, on left in engine compartment |
T11c | 11-pin connector, on left in engine compartment |
T16c | 16-pin connector |
T16e | 16-pin connector |
T41a | 41-pin connector |
T80a | 80-pin connector |
B159 | Connection (diagnosis), in interior wiring harness |
B185 | Connection 2 (54), in interior wiring harness |
B640 | Connection 3 (54), in interior wiring harness |
B683 | Connection (CCS) in interior wiring harness |
D73 | Positive connection (54), in engine compartment wiring harness |
* | Only models with driver and front passenger airbags |
*2 | Only models with multifunction steering wheel |
*3 | Diagnostic connection |
*4 | Squareback |
*5 | Saloon |
Wiring Diagram VW POLO 2010 - Engine control unit
J104 | ABS control unit |
J234 | Airbag control unit |
J301 | Air conditioning system control unit |
J500 | Power steering control unit |
J623 | Engine control unit |
T4ai | 4-pin connector |
T4i | 4-pin connector |
T11b | 11-pin connector, on left in engine compartment |
T16c | 16-pin connector |
T38a | 38-pin connector |
T50a | 50-pin connector |
T80a | 80-pin connector |
B229 | Connection (high bus), in interior wiring harness |
B230 | Connection (low bus), in interior wiring harness |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
Wiring Diagram VW POLO 2010 - Brake light switch - Clutch pedal switch - Brake pedal switch - Engine control unit
E227 | Cruise control system (CCS) SET button |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
J623 | Engine control unit |
T4b | 4-pin connector |
T4c | 4-pin connector |
T6k | 6-pin connector, on left in engine compartment |
T11c | 11-pin connector, on left in engine compartment |
T41a | 41-pin connector |
T80a | 80-pin connector |
67 | Earth point, on left of front cross member |
131 | Earth connection 2, in engine compartment wiring harness |
B157 | Positive connection 3 (15a), in interior wiring harness |
D101 | Connection 1 in engine compartment wiring harness |
* | Only models with driver and front passenger airbags |
*2 | Only models with multifunction steering wheel |
*3 | Saloon |
*4 | Squareback |
Wiring Diagram VW POLO 2010 - Intake air temperature sender - Intake manifold pressure sender - Cold start device relay - Engine control unit - Fuel pump for cold start
G42 | Intake air temperature sender |
G71 | Intake manifold pressure sender |
J41 | Cold start device relay |
J623 | Engine control unit |
T2bz | 2-pin connector |
T3c | 3-pin connector, on left in engine compartment |
T4t | 4-pin connector |
T9e | 9-pin connector |
T11c | 11-pin connector, on left in engine compartment |
T80a | 80-pin connector |
V263 | Fuel pump for cold start |
67 | Earth point, on left of front cross member |
85 | Earth connection 1, in engine compartment wiring harness |
Wiring Diagram VW POLO 2010 - Fuel pump relay - Engine control unit
J17 | Fuel pump relay |
J623 | Engine control unit |
T6b | 6-pin connector, on left in engine compartment |
T6f | 6-pin connector |
T80a | 80-pin connector |
B146 | Positive connection 1 (87), in interior wiring harness |
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 |
B170 | Positive connection 2 (30), in interior wiring harness |
B188 | Positive connection 5 (30), in interior wiring harness |
Wiring Diagram VW POLO 2010 - Speedometer sender - Engine control unit - Ignition transformer - Spark plug connector - Spark plugs
G22 | Speedometer sender |
J623 | Engine control unit |
N152 | Ignition transformer |
P | Spark plug connector |
Q | Spark plugs |
T3n | 3-pin connector |
T4l | 4-pin connector |
T14a | 14-pin connector, on left in engine compartment |
T80a | 80-pin connector |
331 | Earth connection, in injection system wiring harness |
* | Saloon |
*2 | Squareback |
Wiring Diagram VW POLO 2010 - Engine speed sender - Hall sender - Knock sensor 1 - Coolant temperature sender - Engine control unit
G28 | Engine speed sender |
G40 | Hall sender |
G61 | Knock sensor 1 |
G62 | Coolant temperature sender |
J623 | Engine control unit |
T2bi | 2-pin connector |
T2ce | 2-pin connector |
T3l | 3-pin connector |
T3m | 3-pin connector |
T80a | 80-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
E46 | Positive connection 1 (5 Volt) in injection system wiring harness |
Wiring Diagram VW POLO 2010 - Engine control unit - Cold start valve - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Activated charcoal filter solenoid valve 1
J623 | Engine control unit |
N17 | Cold start valve |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
N80 | Activated charcoal filter solenoid valve 1 |
T2ab | 2-pin connector |
T2bf | 2-pin connector |
T2bg | 2-pin connector |
T2bh | 2-pin connector |
T2by | 2-pin connector |
T2cd | 2-pin connector |
T11a | 11-pin connector, on left in engine compartment |
T14a | 14-pin connector, on left in engine compartment |
T80a | 80-pin connector |
E48 | Connection (injectors), in injection system wiring harness |
Wiring Diagram VW POLO 2010 - Accelerator position sender - Accelerator position sender 2 - Throttle valve drive for electric throttle - Throttle valve drive angle sender 1 for electric throttle - Throttle valve drive angle sender 2 for electric throttle - Engine control unit
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
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 |
J623 | Engine control unit |
T6ad | 6-pin connector |
T6ae | 6-pin connector |
T11c | 11-pin connector, on left in engine compartment |
T80a | 80-pin connector |
Wiring Diagram VW POLO 2010 - Lambda probe - Lambda probe after catalytic converter - Engine control unit
G39 | Lambda probe |
G130 | Lambda probe after catalytic converter |
J217 | Automatic gearbox control unit |
J623 | Engine control unit |
T4ab | 4-pin connector |
T4u | 4-pin connector |
T6b | 6-pin connector, on left in engine compartment |
T80a | 80-pin connector |
T80b | 80-pin connector |
D197 | Connection 5 (87a) in engine compartment wiring harness |
* | From November 2010 |
*2 | Only models with automated manual gearbox |
*3 | Up to November 2010 |
Wiring Diagram VW POLO 2010 - Radiator fan thermal switch - Radiator fan control unit - Radiator fan series resistor - Radiator fan
F18 | Radiator fan thermal switch |
J293 | Radiator fan control unit |
N39 | Radiator fan series resistor |
T2dg | 2-pin connector |
T3s | 3-pin connector |
T3t | 3-pin connector |
T4aa | 4-pin connector |
T6ak | 6-pin connector |
V7 | Radiator fan |
12 | Earth point, on left in engine compartment |
167 | Earth connection 4, in engine compartment wiring harness |
D136 | Positive connection 2 (15a), in engine compartment wiring harness |
* | Up to November 2010 |
*2 | From November 2010 |
Wiring Diagram VW POLO 2010 - Fuel gauge sender - Fuel gauge - Fuel system pressurisation pump - Coolant shortage indicator sender - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp - Heater warning lamp
G | Fuel gauge sender |
G1 | Fuel gauge |
G6 | Fuel system pressurisation pump |
G32 | Coolant shortage indicator sender |
J285 | Control unit in dash panel insert |
K | Dash panel insert |
K2 | Alternator warning lamp |
K11 | Heater warning lamp |
K31 | Cruise control system warning lamp |
K36 | Coolant shortage warning lamp |
K38 | Oil level warning lamp |
K43 | Coolant temperature warning lamp (too cold) |
T2t | 2-pin connector |
T4a | 4-pin connector |
T6b | 6-pin connector, on left in engine compartment |
T11a | 11-pin connector, on left in engine compartment |
T32a | 32-pin connector |
327 | Earth connection (sender earth), in engine compartment wiring harness |
401 | Earth connection (sender earth), in interior wiring harness |
Wiring Diagram VW POLO 2010 - Oil pressure switch - Brake fluid level warning contact - Rev. counter - Speedometer - Control unit in dash panel insert - Dash panel insert - Oil pressure warning lamp - Exhaust emissions warning lamp - Reserve fuel warning lamp - Brake system warning lamp
F22 | Oil pressure switch |
F34 | Brake fluid level warning contact |
G5 | Rev. counter |
G21 | Speedometer |
J285 | Control unit in dash panel insert |
K | Dash panel insert |
K3 | Oil pressure warning lamp |
K83 | Exhaust emissions warning lamp |
K105 | Reserve fuel warning lamp |
K118 | Brake system warning lamp |
K132 | Electronic power control fault lamp |
T1f | Single connector |
T2u | 2-pin connector |
T11a | 11-pin connector, on left in engine compartment |
T14a | 14-pin connector, on left in engine compartment |
T32a | 32-pin connector |
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- |