Wiring Diagram VW POLO 2007 - Fresh air blower switch - Air conditioning system control unit - Fresh air blower series resistor with overheating fuse - Fresh air blower - Fresh air and air recirculation flap control motor

| E9 | Fresh air blower switch |
| G56 | Dash panel temperature sensor |
| J301 | Air conditioning system control unit |
| N24 | Fresh air blower series resistor with overheating fuse |
| SB29 | Fuse 29 on fuse holder B |
| SB36 | Fuse 36 on fuse holder B |
| T2u | 2-pin connector |
| T4e | 4-pin connector |
| T5h | 5-pin connector |
| T6ae | 6-pin connector |
| T10c | 10-pin connector |
| T16e | 16-pin connector |
| T18c | 18-pin connector |
| V2 | Fresh air blower |
| V42 | Temperature sensor blower |
| V154 | Fresh air and air recirculation flap control motor |
| 199 | Earth connection 3, in dash panel wiring harness |
| |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| L66 | Connection, in heater blower wiring harness |
| * | From November 2006 |
| *2 | Up to November 2006 |
Wiring Diagram VW POLO 2007 - Centre vent temperature sender - Footwell vent temperature sender - Evaporator output temperature sender - Air conditioning system control unit - Temperature flap control motor
| E30 | Air conditioning system switch |
| E159 | Fresh air and air recirculation flap switch |
| G92 | Potentiometer for temperature flap control motor |
| G191 | Centre vent temperature sender |
| G192 | Footwell vent temperature sender |
| G263 | Evaporator output temperature sender |
| G267 | Potentiometer for temperature selection rotary knob |
| J301 | Air conditioning system control unit |
| K84 | Air conditioning system warning lamp |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| SB18 | Fuse 18 on fuse holder B |
| T2h | 2-pin connector |
| T2i | 2-pin connector |
| T2j | 2-pin connector |
| T6u | 6-pin connector |
| T11d | 11-pin connector |
| T16e | 16-pin connector |
| T18c | 18-pin connector |
| V68 | Temperature flap control motor |
| A20 | Positive connection (15a), in dash panel wiring harness |
| D155 | Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness |
| L6 | Connection 2, in evaporator housing unit wiring harness |
| * | Up to November 2006 |
| *2 | From November 2006 |
Wiring Diagram VW POLO 2007 - High-pressure sender - Radiator fan control unit - Air conditioning system control unit - Onboard supply control unit - Air conditioner compressor regulating valve
| G65 | High-pressure sender |
| J293 | Radiator fan control unit |
| J301 | Air conditioning system control unit |
| J519 | Onboard supply control unit |
| N280 | Air conditioner compressor regulating valve |
| T2k | 2-pin connector |
| T3t | 3-pin connector |
| T6u | 6-pin connector |
| T11d | 11-pin connector |
| T16e | 16-pin connector |
| T18b | 18-pin connector |
| |
| 82 | Earth connection 1, in front left wiring harness |
| 110 | Earth connection 2, 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 |
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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