Wiring Diagram VW POLO 2007 - Onboard supply control unit - trailer socket - fuses

| E1 | Light switch |
| E23 | Front and rear fog light switch |
| F | Brake light switch |
| J519 | Onboard supply control unit |
| SB3 | Fuse 3 on fuse holder B |
| SB12 | Fuse 12 on fuse holder B |
| SB13 | Fuse 13 on fuse holder B |
| T13a | 13-pin connector |
| T16a | 16-pin connector, black |
| T17 | 17-pin connector, on light switch |
| U10 | Trailer socket |
| A5 | Positive connection (right turn signal), in dash panel wiring harness |
| A6 | Positive connection (left turn signal), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| A88 | Connection (RFL), in dash panel wiring harness |
| A89 | Connection 2 (54), in dash panel wiring harness |
| E107 | Connection (left parking light), in dash panel wiring harness |
| E108 | Connection (right parking light), in dash panel wiring harness |
| * | up to November 2006 |
| ** | from November 2006 |
Wiring Diagram VW POLO 2007 - Trailer socket - rear fog light cut-out contact switch
| F4 | Reversing light switch |
| F216 | Rear fog light cut-out contact switch |
| J519 | Onboard supply control unit |
| L46 | Rear left fog light bulb |
| S133 | Fuse 3 |
| S163 | Fuse 2 (30) in fuse holder on battery |
| T3a | 3-pin connector, grey, on left of bulkhead |
| T3x | 3-pin connector |
| T6n | 6-pin connector, blue, on left of bulkhead |
| T13a | 13-pin connector |
| U10 | Trailer socket |
| A32 | Positive connection (30), in dash panel wiring harness |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| B170 | Positive connection 2 (30), in interior wiring harness |
| B182 | Connection (RL), in interior wiring harness |
| * | models with automatic gearbox ⇒ CFD for automatic gearbox |
| ** | up to November 2006 |
| *** | from November 2006 |
Wiring Diagram VW POLO 2007 - Control unit in dash panel insert - trailer operation warning lamp - rear fog light cut-out warning lamp
VW POLO 2007 Overview of control units
Overview of control units | | |
| 1 - | Convenience system central control unit -J393- |
| 2 - | Control unit in dash panel insert -J285- |
| 3 - | Rear right door control unit -J389- |
| 4 - | Sliding sunroof adjustment control unit -J245- |
| q | ⇒ Workshop manual; Body; General body repairs, exterior; Repair group 60 |
| 5 - | Parking aid control unit -J446- |
| 6 - | Fuel pump control unit -J538- |
| Polo | Fitting Locations | No. 804 / 2 |
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| 7 - | Rear left door control unit -J388- |
| 8 - | Driver door control unit -J386- |
| 9 - | Heated driver seat control unit -J131- or heated front seats control unit -J774- |
| q | Heated driver seat control unit -J131- |
| q | Heated front seats control unit -J774- |
| 10 - | Folding exterior mirror control unit -J351- |
| q | ⇒ Fitting locations; Relay assignment; Relay carrier (15 slot) page 803/2 position -1-2- |
| 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- |
| Polo | Fitting Locations | No. 804 / 3 |
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| 12 - | Onboard supply control unit -J519- |
| 13 - | Climatronic control unit -J255- |
| q | ⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87 |
| 14 - | Air conditioning system control unit -J301- |
| q | ⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87 |
| 15 - | Airbag control unit -J234- |
| 16 - | Mobile telephone operating electronics control unit -J412- |
| 17 - | Fresh air blower control unit -J126- |
| q | ⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87 |
| Polo | Fitting Locations | No. 804 / 4 |
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| 18 - | Front passenger door control unit -J387- |
| 19 - | Heated front passenger seat control unit -J132- |
| q | Discontinued from November 2005 |
| 20 - | Control unit with display for radio and navigation system -J503- |
| q | ⇒ Workshop manual; Vehicle electrics; Communication; Repair group 91 |
| Polo | Fitting Locations | No. 804 / 5 |
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| Convenience system central control unit -J393- | | Under dash panel ⇒ Position 2 | | |
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| Polo | Fitting Locations | No. 804 / 6 |
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| Connectors convenience system central control unit -J393- |
| A - | Convenience system central control unit |
| Polo | Fitting Locations | No. 804 / 7 |
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VW POLO 2007 32-pin connector,T32a, on dash panel insert -J285-32-pin connector,T32a, on dash panel insert -J285- | | - | 1 - Immobilizer reader coil | | - | 2 - Main beam warning lamp | | - | 3 - Dipped beam warning lamp | | - | 5 - Speed signal-output | | - | 9 - CAN l (convenience) | | - | 10 - CAN h (convenience) | | - | 11 - Multifunction display | | - | 12 - Multifunction display | | | |
| Polo | Fitting Locations | No. 804 / 8 |
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| - | 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 | | |
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| Polo | Fitting Locations | No. 804 / 9 |
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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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| Polo | Fitting Locations | No. 804 / 10 |
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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 |
| Polo | Fitting Locations | No. 804 / 11 |
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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 |
| Polo | Fitting Locations | No. 804 / 12 |
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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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| Polo | Fitting Locations | No. 804 / 13 |
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| Connectors for parking aid control unit -J446- |
| A - | Parking aid control unit |
| Polo | Fitting Locations | No. 804 / 14 |
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VW POLO 2007 Fuel pump control unit -J538-
Fuel pump control unit -J538- |
| Under rear bench seat ⇒ -arrow- |
| Polo | Fitting Locations | No. 804 / 15 |
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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 |
| Polo | Fitting Locations | No. 804 / 16 |
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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 |
| Polo | Fitting Locations | No. 804 / 17 |
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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-Heated front passenger seat control unit -J132- | | On seat frame, front passenger side ⇒ -arrow- | Notes: | t | Illustration shows driver side. The front passenger side is similar. | | t | Heated driver seat control unit - J131 - or Heated front passenger seat control unit - J132 - will be discontinued from November 2005 and will be replaced by Heated front seats control unit - J774 | | |
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VW POLO 2007 Heated front seats control unit -J774-Heated front seats control unit -J774- | | On driver seat frame ⇒ -arrow- | Note: | The Heated front seats control unit -J774- will replace from November 2005 the heated driver seat control unit -J131- and the heated front passenger seat control unit -J132- | | |
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| Polo | Fitting Locations | No. 804 / 18 |
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VW POLO 2007 Onboard supply control unit -J519-
Onboard supply control unit -J519- |
| Under dash panel ⇒ Position 1 |
| Polo | Fitting Locations | No. 804 / 19 |
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| Connectors on onboard supply control unit -J519- |
| Polo | Fitting Locations | No. 804 / 20 |
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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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| Polo | Fitting Locations | No. 804 / 21 |
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| Connectors on airbag control unit -J234- | | Models with no side airbag | | | |
| Polo | Fitting Locations | No. 804 / 22 |
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| Connectors on airbag control unit -J234- | | Models with no side airbag | | | |
| Polo | Fitting Locations | No. 804 / 23 |
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VW POLO 2007 Mobile telephone operating electronics control unit -J412-Mobile telephone operating electronics control unit -J412- | | |
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| Polo | Fitting Locations | No. 804 / 24 |
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| A - | Mobile telephone operating electronics control unit |
| q | Connection for cable to mobile phone |