Wiring Diagram VW POLO 2007 - Battery - Starter - Alternator

Wiring Diagram VW POLO 2007 - Ignition/starter switch - Low heat output relay - High heat output relay - Auxiliary air heater element
| D | Ignition/starter switch |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J519 | Onboard supply control unit |
| S276 | Heater element fuse 1 |
| S277 | Heater element fuse 2 |
| S278 | Heater element fuse 3 |
| T3n | 3-pin connector, behind dash panel |
| T6n | 6-pin connector, on left on bulkhead |
| T18a | 18-pin connector |
| Z35 | Auxiliary air heater element |
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| A2 | Positive connection (15), in dash panel wiring harness |
| A15 | Positive connection (15), in instrument 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 |
| A104 | Positive connection 2 (15), in dash panel wiring harness |
| A176 | Connection (auxiliary heater), in dash panel wiring harness |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B170 | Positive connection 2 (30), in interior wiring harness |
| D210 | Connection (50), in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - Fuel pump relay - Terminal 30 voltage supply relay - Engine control unit
Wiring Diagram VW POLO 2007 - Kickdown switch - Idling speed switch - Accelerator position sender - Accelerator position sender 2 - Engine control unit
| F8 | Kickdown switch |
| F60 | Idling speed switch |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J623 | Engine control unit |
| T11c | 11-pin connector, on left on bulkhead |
| T94 | 94-pin connector |
| * | Gradual introduction during model year 2008 |
Wiring Diagram VW POLO 2007 - Clutch pedal switch - Brake pedal switch - Engine control unit
Wiring Diagram VW POLO 2007 - Cruise control system switch - Hall sender - Coolant temperature sender - Fuel temperature sender - Temperature sender after particulate filter - Engine control unit
Wiring Diagram VW POLO 2007 - Engine speed sender - Engine control unit - Exhaust gas recirculation valve - Variable intake manifold flap changeover valve - Intake manifold flap motor
| G28 | Engine speed sender |
| J623 | Engine control unit |
| N18 | Exhaust gas recirculation valve |
| N239 | Variable intake manifold flap changeover valve |
| T8r | 8-pin connector, on left in engine compartment |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V157 | Intake manifold flap motor |
| 250 | Earth connection, in diesel engine prewiring harness |
| D141 | Connection (5V) in engine prewiring harness |
Wiring Diagram VW POLO 2007 - Engine control unit - Charge pressure control solenoid valve - Heater element for crankcase breather
| J519 | Onboard supply control unit, brown |
| J623 | Engine control unit |
| N75 | Charge pressure control solenoid valve |
| N79 | Heater element for crankcase breather |
| T6n | 6-pin connector, on left on bulkhead |
| T11a | 11-pin connector, on left on bulkhead |
| T14 | 14-pin connector, on left in engine compartment |
| T16a | 16-pin connector |
| T16b | 16-pin connector, on diagnostic connection |
| T18a | 18-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
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| 131 | Earth connection 2, in engine compartment wiring harness |
| 281 | Earth point 1, engine prewiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW POLO 2007 - Charge pressure sender - Intake air temperature sender - Air mass meter - Engine control unit
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G70 | Air mass meter |
| J623 | Engine control unit |
| SB17 | Fuse 17 on fuse holder B |
| T5l | 5-pin connector |
| T11b | 11-pin connector, on left on bulkhead |
| T94 | 94-pin connector |
| D52 | Positive connection (15a), in engine compartment wiring harness |
| D195 | Connection 1 (5V) in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - Lambda probe - Exhaust gas temperature sender 1 - Exhaust gas temperature sender 2 - Exhaust gas pressure sensor 1 - Engine control unit
| G39 | Lambda probe |
| G235 | Exhaust gas temperature sender 1 |
| G448 | Exhaust gas temperature sender 2 |
| G450 | Exhaust gas pressure sensor 1 |
| J623 | Engine control unit |
| T6z | 6-pin connector, near Lambda probe |
| T8r | 8-pin connector, on left in engine compartment |
| T94 | 94-pin connector |
| Z19 | Lambda probe heater |
| 220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram VW POLO 2007 - Automatic glow period control unit - Engine control unit - Unit injector valve - No. 1 cyl. - Engine glow plug
Wiring Diagram VW POLO 2007 - Oil pressure switch - Fuel gauge sender - Fuel gauge - Fuel system pressurisation pump - Oil level and oil temperature sender - Control unit in dash panel insert - Alternator warning lamp - Oil pressure warning lamp - Glow period warning lamp
| F1 | Oil pressure switch |
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G6 | Fuel system pressurisation pump |
| 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 |
| K29 | Glow period warning lamp |
| K105 | Reserve fuel warning lamp |
| K231 | Diesel particulate filter warning lamp |
| SB7 | Fuse 7 on fuse holder B |
| SB41 | Fuse 41 on fuse holder B |
| T6v | 6-pin connector, on left on bulkhead |
| T11b | 11-pin connector, on left on bulkhead |
| T14 | 14-pin connector, on left in engine compartment |
| 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 |
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| A139 | Connection 3 (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 |
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| 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- |
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| 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-
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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! |
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| Connectors on airbag control unit -J234-
| Models with no side airbag |
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Connectors on airbag control unit -J234-
| Models with no side airbag |
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VW POLO 2007 Mobile telephone operating electronics control unit -J412-
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