Wiring Diagram VW POLO 2007 - Battery - Starter - Alternator - Onboard supply control unit - Fuse 1 (30) - in battery fuse holder - Fuse 2 (30) - in battery fuse holder

Wiring Diagram VW POLO 2007 - Ignition/starter switch - Fuel pump relay - Main relay - Radiator fan
| D | Ignition/starter switch |
| F18 | Radiator fan thermal switch |
| J17 | Fuel pump relay |
| J271 | Main relay |
| T3b | 3-pin connector |
| T6r | 6-pin connector, on left on bulkhead |
| V7 | Radiator fan |
| |
| 80 | Earth connection 1, in dash panel wiring harness |
| 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 |
| B169 | Positive connection 1 (30), in interior wiring harness |
| * | Only models with no air conditioning system/Climatronic |
Wiring Diagram VW POLO 2007 - Fuse holder B
| SB | Fuse holder B |
| SB4 | Fuse 4 on fuse holder B |
| SB5 | Fuse 5 on fuse holder B |
| SB7 | Fuse 7 on fuse holder B |
| SB9 | Fuse 9 on fuse holder B |
| SB14 | Fuse 14 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SB17 | Fuse 17 on fuse holder B |
| SB25 | Fuse 25 on fuse holder B |
| SB26 | Fuse 26 on fuse holder B |
| SB37 | Fuse 37 on fuse holder B |
| SB41 | Fuse 41 on fuse holder B |
| T6n | 6-pin connector, on left on bulkhead |
| T11a | 11-pin connector |
| T11b | 11-pin connector, on left on bulkhead |
| T14 | 14-pin connector |
| A15 | Positive connection (15), in instrument wiring harness |
| A38 | Positive connection 2 (15a) in dash panel wiring harness |
| A99 | Connection 1 (87) in dash panel wiring harness |
| A104 | Positive connection 2 (15), in dash panel wiring harness |
| A151 | Connection 4 (87) in dash panel wiring harness |
| G9 | Connection, in Simos wiring harness |
Wiring Diagram VW POLO 2007 - Simos control unit
| E45 | Cruise control system switch |
| J361 | Simos control unit |
| T11a | 11-pin connector |
| T11c | 11-pin connector |
| T14 | 14-pin connector |
| T41 | 41-pin connector |
| T121 | 121-pin connector |
| |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 283 | Earth point 2, engine prewiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| A130 | Connection (CCS), in dash panel wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| * | Only models with cruise control system (CCS) |
Wiring Diagram VW POLO 2007 - Simos control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage
| J361 | Simos control unit |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| Q | Spark plugs |
| T121 | 121-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 2007 - Accelerator position sender - Throttle valve module - Simos 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 |
| J338 | Throttle valve module |
| J361 | Simos control unit |
| T11c | 11-pin connector |
| T121 | 121-pin connector |
Wiring Diagram VW POLO 2007 - Engine speed sender - Intake air temperature sender - Coolant temperature sender - Intake manifold pressure sender - Simos control unit
| G28 | Engine speed sender |
| G40 | Hall sender |
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G71 | Intake manifold pressure sender |
| J361 | Simos control unit |
| T121 | 121-pin connector |
| D141 | Connection (5V) in engine prewiring harness |
Wiring Diagram VW POLO 2007 - Lambda probe - Simos control unit - Activated charcoal filter solenoid valve 1
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| J361 | Simos control unit |
| N80 | Activated charcoal filter solenoid valve 1 |
| T4k | 4-pin connector |
| T4z | 4-pin connector |
| T6r | 6-pin connector, on left on bulkhead |
| T11b | 11-pin connector |
| T121 | 121-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| E29 | Connection, in engine wiring harness |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW POLO 2007 - Knock sensor 1 - Simos control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Diagnostic connection
Wiring Diagram VW POLO 2007 - Brake light switch - Clutch pedal switch - Brake pedal switch - Simos control unit
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Brake pedal switch |
| J361 | Simos control unit |
| T6n | 6-pin connector, on left on bulkhead |
| T11b | 11-pin connector |
| T11c | 11-pin connector, on left on bulkhead |
| T121 | 121-pin connector |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A89 | Connection 2 (54) in dash panel wiring harness |
| A100 | Connection 2 (87) in dash panel wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - Oil pressure switch - Fuel system pressurisation pump - Speedometer sender - Oil level and oil temperature sender - Dash panel insert
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G6 | Fuel system pressurisation pump |
| G22 | Speedometer sender |
| G266 | Oil level and oil temperature sender |
| 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 |
| K132 | Electronic power control fault lamp |
| T1yas | Single connector |
| T6v | 6-pin connector, on left on bulkhead |
| T11a | 11-pin connector |
| T11b | 11-pin connector, on left on bulkhead |
| T14 | 14-pin connector |
| T32a | 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 |
| |
| A2 | Positive connection (15), in dash panel wiring harness |
VW POLO 2007 Overview of control units
Overview of control units | | |
| q | From November 2007, Fitting Locations |
| 5 - | Parking aid control unit -J446- |

| q | From November 2007, Fitting Locations |
| q | From November 2007, Fitting Locations |
| q | Heated driver seat control unit -J131- |
| q | Heated front seats control unit -J774- |
| 11 - | Dipped headlight control unit, on/off (Coming home system) -J665- |
| q | ⇒ Fitting locations; Relay assignment; Relay carrier (15 slot) page 803/3 position -7- |

| 14 - | Air conditioning system control unit -J301- |
| q | ⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87 |
| q | Connector, models with no side airbag |
| q | Connector, models with side airbag |
| Polo | Fitting Locations | No. 804 / 4 | |
| q | From November 2007, Fitting Locations | | q | Discontinued from November 2005 | | Polo | Fitting Locations | No. 804 / 5 | | | Convenience system central control unit -J393- | | Under dash panel ⇒ Position 2 | | |
| Connectors convenience system central control unit -J393- |
| A - | Convenience system central control unit | VW POLO 2007 32-pin connector,T32a, on dash panel insert -J285- | | Polo | Fitting Locations | No. 804 / 8 | | | - | 16 - Coolant shortage indicator sender | | - | 17 - Immobilizer reader coil | | - | 18 - Rear fog light warning lamp | | - | 19 - Fog light warning lamp | | - | 20 - Belt switch warning lamp | | - | 22 - Brake fluid level warning contact | | - | 23 - Oil pressure switch | | - | 27 - Multifunction display | | - | 30 - Windscreen washer fluid level sender | | - | 31 - Ambient temperature sensor | | - | 32 - Terminal 31 for sender-output | | |
| VW POLO 2007 8-pin connector, T8c, on dash panel insert -J285- | 8-pin connector, T8c, on dash panel insert -J285- |
| - | 1 - Brake pad warning lamp |
| - | 4 - Right parking light |
| - | 5 - Terminal 15 - input |
| - | 7 - Terminal 30 - input |
| - | 8 - Terminal 31 - input |
|
| VW POLO 2007 Right door control unit, to November 2007
Right door control unit, to November 2007 | | Front passenger door control unit -J387- |
| A - | Front passenger door control unit |
| Rear right door control unit -J389- |
| A - | Rear right door control unit |
VW POLO 2007 Right door control unit, from November 2007
Right door control unit, from November 2007 | | Front passenger door control unit -J387- |
| A - | Front passenger door control unit |
| Rear right door control unit -J389- |
| A - | Rear right door control unit |
VW POLO 2007 Parking aid control unit -J446-
Parking aid control unit -J446- | | On right behind luggage compartment side trim |
| 1 - | Parking aid control unit -J446- |
| 2 - | Rear parking aid warning buzzer -H15- |
| A - | 16-pin connector -T16d- |
| B - | 12-pin connector -T12n- |
| C - | 2-pin connector -T2aa- |
|
| Connectors for parking aid control unit -J446-
| A - | Parking aid control unit |
VW POLO 2007 Fuel pump control unit -J538-
Fuel pump control unit -J538- |
| Under rear bench seat ⇒ -arrow- |
VW POLO 2007 Left door control unit, to November 2007
Left door control unit, to November 2007 | | Driver door control unit -J386- |
| A - | Driver door control unit |
| Rear left door control unit -J388- |
| A - | Rear left door control unit |
VW POLO 2007 Left door control unit, from November 2007
Left door control unit, from November 2007 | | Driver door control unit -J386- |
| A - | Driver door control unit |
| Rear left door control unit -J388- |
| A - | Rear left door control unit |
VW POLO 2007 Heated driver seat control unit -J131-
Heated driver seat control unit -J131- | | On driver seat frame ⇒ -arrow- |
VW POLO 2007 Heated front passenger seat control unit -J132-
|
VW POLO 2007 Heated front seats control unit -J774-
| VW POLO 2007 Onboard supply control unit -J519- | Onboard supply control unit -J519- |
| Under dash panel ⇒ Position 1 |
Connectors on onboard supply control unit -J519-
VW POLO 2007 Airbag control unit -J234-
Airbag control unit -J234- | | Under centre console at front ⇒ -arrow- |
Note:
| Earth connection via housing for vehicle earth! |
|
| Connectors on airbag control unit -J234-
| Models with no side airbag |
| |
Connectors on airbag control unit -J234-
| Models with no side airbag |
| |
VW POLO 2007 Mobile telephone operating electronics control unit -J412-
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