Wiring Diagram VW POLO 2007 - Onboard supply control unit - battery - starter inhibitor relay - reversing light relay - alternator - voltage regulator - starter

| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J... | Engine control unit |
| J207 | Starter inhibitor relay |
| J219 | Reversing light relay |
| J519 | Onboard supply control unit |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| S162 | Fuse -1- (30), in battery fuse holder |
| SB19 | Fuse -19- on fuse holder |
| T2 | 2-pin connector, near starter |
| T2v | 2-pin connector |
| T6n | 6-pin connector, blue, on bulkhead |
| T6o | 6-pin connector, black |
| T11a | 11-pin connector, white, on left of bulkhead |
| T11b | 11-pin connector, red, on left of bulkhead |
| T18a | 18-pin connector, brown |
| T18b | 18-pin connector, black |
| 1 | Earth strap, battery - body |
| 80 | Earth connection -1-, in instruments wiring harness |
| 606 | Earth point, under centre console near gearstick |
| B182 | Connection (RF (reversing light)), in interior wiring harness |
| * | Models with a diesel engine |
Wiring Diagram VW POLO 2007 - Onboard power supply control unit - automatic gearbox control unit - multi-function switch - fuses
Wiring Diagram VW POLO 2007 - Onboard power supply control unit - automatic gearbox control unit - solenoid valve - vehicle speed sender - data bus diagnostic interface - diagnosis connection
Wiring Diagram VW POLO 2007 - Automatic gearbox control unit - gearbox speed sender - selector lever lock solenoid valve - selector lever display illumination - selector lever position P/N warning lamp
| E1 | Lighting switch |
| G38 | Gearbox speed sender |
| J217 | Automatic gearbox control unit, in plenum chamber |
| J285 | Control unit with display in dash panel insert |
| J519 | Vehicle voltage control unit |
| K142 | Selector lever position P/N warning lamp |
| L101 | Selector lever display illumination |
| N110 | Selector lever lock solenoid |
| T2h | 2-pin connector |
| T2j | 2-pin connector |
| T4x | 4-pin connector |
| T8r | 8-pin connector |
| T11a | 11-pin connector, white |
| T16a | 16-pin connector, black |
| T32a | 32-pin connector, black |
| T18b | 18-pin connector, black |
| T68 | 68-pin connector, black |
| Y6 | Selector lever position indicator |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| A109 | Connection (selector lever function display), 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 |
VW POLO 2007 Overview of relay carrier locations
Overview of relay carrier locations | | |
| 1 - | Relay carrier (15-pin) |
| q | Vehicles from November 2001 |
| Polo | Fitting Locations | No. 803 / 2 |
|
| Relay carrier (15 slot), from November 2001 |
| 1 - | Driving school mode relay -746- |
| 3 - | Glow plug relay -J52- (100) |
| 3 - | Motronic current supply relay -J271- (103) |
| 4 - | Fuel pump relay -J17- (53) |
| 5 - | Warning lamps relay -J560- (449) |
| 6 - | Headlight washer system -J39- (53) |
| 7 - | Starter inhibitor relay -J207- (126) |
| 8 - | Low heat output relay -J359- (53) |
| 9 - | High heat output relay -J360- (100) |
| Polo | Fitting Locations | No. 803 / 3 |
|
| 10 - | Motronic current supply relay -J271- (100) or (429) |
| 10 - | Current supply relay -J16- (429) |
| 10 - | Current supply relay -J16- (53) |
| 11 - | X-contact relief relay -J59- (18) |
| 12 - | Fuel supply relay -J643- (404) |
| 13 - | Fuel pump relay -J17- (167) |
| 15 - | Diesel direct injection system relay -J317- (109) |
| Polo | Fitting Locations | No. 803 / 4 |
|
VW POLO 2007 Relay carrier (15 slot), from May 2005
Relay carrier (15 slot), from May 2005 |
| 1 - | Secondary air pump relay -J299- |
| 1 - | Folding exterior mirror control unit -J351- (361) |
| 2 - | Folding exterior mirror control unit -J351- (361) |
| 2 - | Driving school mode relay -J746- |
| 3 - | Glow plug relay -J52- (103) |
| 3 - | Motronic current supply relay -J271- (100) |
| 4 - | Fuel pump relay -J17- (53) |
| 5 - | Door warning lamps relay -J560- (449) |
| 5 - | Brake light suppression relay -J508- (489) |
| q | November 2005 to November 2006 |
| 6 - | Headlight washer system relay -J39- (53) |
| Polo | Fitting Locations | No. 803 / 5 |
|
| 7 - | Dipped headlight control unit, on/off (coming home system) -J665- (449) |
| 8 - | Low heat output relay -J359- (53) |
| 8 - | Coolant pump relay -J235- (53) |
| 9 - | High heat output relay -J360- (100) |
| 10 - | Motronic current supply relay -J271- (429) |
| q | Only engine codes BMD and BME |
| 10 - | Radiator fan relay -J26- (53) |
| q | Only engine codes ASZ and BLT |
| 11 - | X-contact relief relay -J59- (100) |
| 12 - | Fuel supply relay -J643- (404) |
| q | Only engine codes BMD and BXU |
| Polo | Fitting Locations | No. 803 / 6 |
|
| 13 - | Fuel pump relay -J17- (167) |
| q | S276 - Heater element fuse 1 - 40A |
| q | S277 - Heater element fuse 2 - 40A |
| q | S278 - Heater element fuse 3 - 40A |
| 15 - | Terminal 30 voltage supply relay -J317- (109)/(643) |
| q | Petrol engines with engine code BJX or BUD |
| 15 - | Starter inhibitor relay -J207- (53) |
| q | Only engine code BKY with automatic gearbox |
| 15 - | Motronic current supply relay -J271- (109) |
| q | Only engine codes BUD and BTS |
| 15 - | Fuel pump relay -J17- (167)/(447) |
| q | Only engine codes BMD and BME |
| Polo | Fitting Locations | No. 803 / 7 |
|
VW POLO 2007 Relay carrier (15 slot), from May 2008
Relay carrier (15 slot), from May 2008 |
| 1 - | Secondary air pump relay -J299- (100) |
| 1 - | Folding exterior mirror control unit -J351- (361) |
| 2 - | Folding exterior mirror control unit -J351- (361) |
| 2 - | Driving school mode relay -J746- (467) |
| 3 - | Glow plug relay -J52- (100) |
| q | Only engine codes AXR, BNV, BNM |
| 4 - | Fuel pump relay -J17- (53) |
| 6 - | Headlight washer system relay -J39- (53) |
| ¹) Gradual introduction in model year 2008 |
| Polo | Fitting Locations | No. 803 / 8 |
|
| 7 - | Dipped headlight control unit, on/off (coming home system) -J665- (456) |
| 8 - | Low heat output relay -J359- (53) |
| 9 - | High heat output relay -J360- (100) |
| 10 - | Motronic current supply relay -J271- (429) |
| q | Only engine codes BBM, BZG |
| 10 - | Radiator fan relay -J26- (53) |
| q | Only engine codes ASZ, BLT |
| 11 - | X-contact relief relay -J59- (100) |
| 12 - | Fuel supply relay -J643- (404) |
| q | Only engine codes BTS, BUD, BZG |
| Polo | Fitting Locations | No. 803 / 9 |
|
| 13 - | Fuel pump relay -J17- (53) |
| q | S276 - Heater element fuse 1 - 40A |
| q | S277 - Heater element fuse 2 - 40A |
| q | S278 - Heater element fuse 3 - 40A |
| 15 - | Terminal 30 voltage supply relay - J317 (643) |
| 15 - | Motronic current supply relay -J271- (643) |
| q | Not engine codes BUD, BTS |
| ¹) Discontinued with gradual introduction in model year 2008 |