Wiring Diagram VW POLO 2009 - Fuses

| J519 | Onboard supply control unit |
| S163 | Fuse 2 (30), in battery fuse holder |
| SB31 | Fuse 31 on fuse holder |
| SB35 | Fuse 35 on fuse holder |
| SB38 | Fuse 38 on fuse holder |
| SB39 | Fuse 39 on fuse holder |
| SB53 | Fuse 53 on fuse holder |
| T3a | 3-pin connector, grey, on left on bulkhead |
| 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 |
| B170 | Positive connection 2 (30), in interior wiring harness |
Wiring Diagram VW POLO 2009 - Fuses - alarm - convenience system central control unit
| D | Ignition/starter switch |
| H12 | Alarm horn |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| SB18 | Fuse 18 on fuse holder |
| SB33 | Fuse 33 on fuse holder |
| SB49 | Fuse 49 on fuse holder |
| SB50 | Fuse 50 on fuse holder |
| T12i | 12-pin connector |
| 61 | Earth point, in left C-pillar |
| 86 | Earth connection 1, in rear wiring harness |
| A20 | Positive connection (15a), 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 |
| B170 | Positive connection 2 (30), in interior wiring harness |
Wiring Diagram VW POLO 2009 - Interior monitoring deactivation switch - anti-theft alarm ultrasonic sensor - convenience system central control unit
| E267 | Interior monitoring deactivation switch |
| G209 | Anti-theft alarm ultrasonic sensor |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| K162 | Interior monitoring off warning lamp |
| L118 | Deactivation of interior monitoring system switch illumination bulb |
| T5a | 5-pin connector, black |
| T6j | 6-pin connector, brown |
| T12i | 12-pin connector |
| T16b | 16-pin connector, diagnostic connector |
| T18a | 18-pin connector, brown |
| T23 | 23-pin connector |
| 110 | Earth connection 2, in dash panel wiring harness |
| 238 | Earth connection 1, in interior wiring harness |
| 439 | Earth connection 3, in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A29 | Connection (interior light), in dash panel wiring harness |
| A66 | Connection (30a, CL/ATA/IR), in dash panel wiring harness |
| A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
Wiring Diagram VW POLO 2009 - Driver side interior locking switch for central locking system - driver side central locking lock unit - central locking deadlock function warning lamp
| E150 | Driver side interior locking switch |
| F220 | Driver side central locking lock unit |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| K133 | Central locking deadlock function warning lamp -SAFE- |
| L53 | Window regulator switch illumination bulb |
| T18a | 18-pin connector, brown |
| T21 | 21-pin connector, brown, on left A-pillar |
| T23 | 23-pin connector |
| 80 | Earth connection 1, in dash panel wiring harness |
| 205 | Earth connection, in driver door wiring harness |
| B154 | Connection 1 (DCt), in interior wiring harness |
| R77 | Connection 1 (DCt), in driver door wiring harness |
| * | Only vehicles without electric window regulators |
| ** | Only models with electric window regulator |
Wiring Diagram VW POLO 2009 - Front passenger side central locking lock unit - tank filler flap locking motor - convenience system central control unit
| F221 | Front passenger side central locking lock unit |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| T18a | 18-pin connector, brown |
| T21a | 21-pin connector, brown, on right A-pillar |
| T23 | 23-pin connector |
| V155 | Tank filler flap locking motor |
| 135 | Earth connection 2, in dash panel wiring harness |
| R78 | Connection 1 (DCt), in front passenger door wiring harness |
| * | Only vehicles without electric window regulators |
| ** | Only models with electric window regulator |
Wiring Diagram VW POLO 2009 - Rear left central locking lock unit - rear right central locking lock unit
| F222 | Rear left central locking lock unit |
| F223 | Rear right central locking lock unit |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| T6h | 6-pin connector, brown, on left B-pillar |
| T6i | 6-pin connector, brown, on right B-pillar |
| T6l | 6-pin connector, black, on left B-pillar |
| T6m | 6-pin connector, black, on right B-pillar |
| T12c | 12-pin connector |
| T18a | 18-pin connector, brown |
| 80 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
Wiring Diagram VW POLO 2009 - Sliding sunroof adjustment regulator - sliding sunroof button - sliding sunroof adjustment control unit - convenience system central control unit
| E139 | Sliding sunroof adjustment regulator |
| E325 | Sunroof button |
| J245 | Sliding sunroof adjustment control unit |
| J285 | Control unit in dash panel insert |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| T6 | 6-pin connector |
| T6e | 6-pin connector |
| T18b | 18-pin connector, black |
| T23 | 23-pin connector |
| T32a | 32-pin connector |
| V1 | Sliding sunroof motor |
| 80 | Earth connection 1, in dash panel wiring harness |
| 89 | Earth connection 1, in window regulator wiring harness |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| 199 | Earth connection 3, in dash panel wiring harness |
| 332 | Earth connection 4, in dash panel wiring harness |
| 606 | Earth point, under centre console near gearstick |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
Wiring Diagram VW POLO 2009 - Rear window regulator isolation switch - window regulator switch - driver door control unit - driver side window regulator motor
| E20 | Switch and instrument illumination regulator |
| E39 | Rear window regulator isolation switch |
| E40 | Front left window regulator switch |
| E53 | Rear left window regulator switch, in driver door |
| E55 | Rear right window regulator switch, in driver door |
| E81 | Front right window regulator switch in driver door |
| J386 | Driver door control unit |
| J519 | Onboard supply control unit |
| L53 | Window regulator switch illumination bulb |
| T4m | 4-pin connector, black, on left A-pillar |
| T16e | 16-pin connector |
| T21 | 21-pin connector, brown, on left A-pillar |
| V147 | Driver side window regulator motor |
| 89 | Earth connection 1, in window regulator wiring harness |
| 267 | Earth connection 2, in door wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| B528 | Connection 1 (LIN bus), in main wiring harness |
| R13 | Positive connection 4 (15), in driver door wiring harness |
| R51 | Connection (58b), in driver side door wiring harness |
Wiring Diagram VW POLO 2009 - Window regulator switch in front passenger door - front passenger door control unit - driver side window regulator motor
| E107 | Window regulator switch in front passenger door |
| J387 | Front passenger side door control unit |
| J519 | Onboard supply control unit |
| L53 | Window regulator switch illumination bulb |
| T4n | 4-pin connector, black, on right A-pillar |
| T16f | 16-pin connector |
| T21a | 21-pin connector, brown, on right A-pillar |
| V148 | Front passenger side window regulator motor |
| 89 | Earth connection 1, in window regulator wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| B528 | Connection 1 (LIN bus), in main wiring harness |
Wiring Diagram VW POLO 2009 - Rear window regulator switch - in door - rear door control unit - rear window regulator motor
| E52 | Rear left window regulator switch, in door |
| E54 | Rear right window regulator switch, in door |
| J388 | Rear left door control unit |
| J389 | Rear right door control unit |
| J519 | Onboard supply control unit |
| L53 | Window regulator switch illumination bulb |
| T4o | 4-pin connector, black, on left B-pillar |
| T4p | 4-pin connector, black, on right B-pillar |
| T6h | 6-pin connector, brown, on left B-pillar |
| T6i | 6-pin connector |
| T16g | 16-pin connector |
| T16h | 16-pin connector |
| V26 | Rear left window regulator motor |
| V27 | Rear right window regulator motor |
| 89 | Earth connection 1, in window regulator wiring harness |
| A4 | Positive connection (58b), in dash panel wiring harness |
| B528 | Connection 1 (LIN bus), in main wiring harness |
Wiring Diagram VW POLO 2009 - Luggage compartment light switch - bonnet contact switch - luggage compartment light
| E234 | Rear lid handle release button |
| F5 | Luggage compartment light switch |
| F218 | Rear lid central locking switch |
| F266 | Bonnet contact switch |
| J519 | Onboard supply control unit |
| T2v | 2-pin connector, near bonnet contact switch |
| T5b | 5-pin connector, brown, on left C-pillar |
| T5e | 5-pin connector, black, on left C-pillar |
| T5f | 5-pin connector, black, in rear lid |
| T5g | 5-pin connector, brown, in rear lid |
| T6k | 6-pin connector, red |
| T6o | 6-pin connector, black |
| T16a | 16-pin connector, black |
| V53 | Rear lid central locking motor |
| W18 | Luggage compartment light on left |
| 61 | Earth point, in left C-pillar |
| 98 | Earth connection, in rear lid wiring harness |
| 287 | Earth connection, in rear lid feeder wiring harness |
| Q22 | Connection 1, in rear lid wiring harness |
| * | Depends on equipment |
VW POLO 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 Heated driver seat control unit -J131-Heated driver seat control unit -J131- | | On driver seat frame ⇒ -arrow- |
VW POLO 2009 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 2009 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 2009 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 2009 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 2009 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 |