Wiring Diagram VW POLO 2007 - Onboard supply control unit - battery - alternator - voltage regulator - starter - radiator fan - radiator fan thermal switch
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
F18 | Radiator fan thermal switch |
J519 | Onboard supply control unit |
S162 | Fuse -1- (30), in battery fuse holder |
S180 | Fuse -8- (30), in battery fuse holder |
T2 | 2-pin connector, near starter |
T2v | 2-pin connector |
T3i | 3-pin connector |
T6n | 6-pin connector, blue, on left of bulkhead |
T11a | 11-pin connector, white, on left of bulkhead |
T18a | 18-pin connector, brown |
V7 | Radiator fan |
1 | Earth strap, battery - body |
12 | Earth point, on left in engine compartment |
* | Does not apply to models with an air conditioning system ⇒ respective air conditioning system current flow diagram |
Wiring Diagram VW POLO 2007 - 4LV control unit (injection system) - injectors - engine speed sender - intake manifold pressure and temperature and coolant temperature senders - exhaust gas recirculation potentiometer - hall sender - exhaust gas recirculation valve
G28 | Engine speed sender |
G40 | Hall sender |
G62 | Coolant temperature sender |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
G212 | Exhaust gas recirculation potentiometer |
J519 | Onboard supply control unit |
J537 | 4LV control unit (injection system) |
N18 | Exhaust gas recirculation valve |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
T2y | 2-pin connector |
T3m | 3-pin connector |
T3j | 3-pin connector |
T4g | 4-pin connector |
T6a | 6-pin connector |
T14 | 14-pin connector, on left in engine compartment |
T121 | 121-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
D1 | Positive connection (15a), in front right wiring harness |
D140 | Connection (injectors), in engine pre-wiring harness |
D141 | Connection (5V), in engine pre-wiring harness |
Wiring Diagram VW POLO 2007 - 4LV control unit (injection system) - throttle valve control module - accelerator pedal position sender - ignition transformer - throttle valve drive - spark plug - spark plug connector
E45 | Cruise control system (CCS) switch |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender -2- |
G186 | Throttle valve drive (electrically operated throttle) |
G187 | Throttle valve drive angle sender -1- (electrically operated throttle) |
G188 | Throttle valve drive angle sender -2- (electrically operated throttle) |
J338 | Throttle valve control module |
J519 | Onboard supply control unit |
J537 | 4LV control unit (injection system) |
N152 | Ignition transformer |
P | Spark plug connectors |
Q | Spark plugs |
T4f | 4-pin connector |
T6t | 6-pin connector |
T6u | 6-pin connector |
T11a | 11-pin connector, white, on left of bulkhead |
T11c | 11-pin connector, blue, on left of bulkhead |
T14 | 14-pin connector, on left in engine compartment |
T41 | 41-pin connector, on steering column switch |
T121 | 121-pin connector |
327 | Earth connection (sender earth), in engine compartment wiring harness |
* | Only models fitted with cruise control system |
Wiring Diagram VW POLO 2007 - 4LV control unit (injection system) - lambda probe - lambda probe after catalytic converter - active charcoal filter system solenoid valve 1 - lambda probe heating
G39 | Lambda probe |
G130 | Lambda probe after catalytic converter |
J519 | Onboard supply control unit |
J537 | 4LV control unit (injection system) |
N80 | Active charcoal filter system solenoid valve 1 |
T2z | 2-pin connector, on solenoid valve |
T4k | 4-pin connector, near lambda probe after catalytic converter |
T6z | 6-pin connector, near lambda probe |
T11a | 11-pin connector, white, on left of bulkhead |
T11b | 11-pin connector, red, on left of bulkhead |
T14 | 14-pin connector, on left in engine compartment |
T16a | 16-pin connector, brown |
T121 | 121-pin connector |
Z19 | Lambda probe heating |
Z29 | Lambda probe 1 heating, after catalytic converter |
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 |
E29 | Connection, in engine wiring harness |
E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW POLO 2007 - 4LV control unit (injection system) - knock sensor - brake light switch - clutch pedal switch - brake pedal switch
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch |
G61 | Knock sensor |
J519 | Onboard supply control unit |
J537 | 4LV control unit (injection system) |
SB26 | Fuse -26- in fuse box |
T2e | 2-pin connector |
T4d | 4-pin connector |
T4h | 4-pin connector |
T6n | 6-pin connector, blue, on left of bulkhead |
T11c | 11-pin connector, blue, on left of bulkhead |
T121 | 121-pin connector |
29 | Earth point, on left in engine compartment, behind battery |
131 | Earth connection -2-, in engine compartment wiring harness |
200 | Earth connection (screening), in engine compartment wiring harness |
A98 | Positive connection -4- (30), in dash panel wiring harness |
A100 | Connection -2- (87), in dash panel wiring harness |
D73 | Positive connection (54), in engine compartment wiring harness |
D101 | Connection -1-, in engine compartment wiring harness |
Wiring Diagram VW POLO 2007 - Data bus diagnostic interface - 4LV control unit (injection system) - fuel supply relay - fuel pump relay - diagnostic socket
D | Ignition and starter switch |
J17 | Fuel pump relay |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
J537 | 4LV control unit (injection system) |
J643 | Fuel supply relay |
SB5 | Fuse -5- on fuse holder |
SB7 | Fuse -7- on fuse holder |
SB37 | Fuse -37- on fuse holder |
SB45 | Fuse -45- on fuse holder |
T6n | 6-pin connector, blue, on bulkhead |
T6r | 6-pin connector, brown, on left of bulkhead |
T11b | 11-pin connector, red, on left of bulkhead |
T14 | 14-pin connector, on left in engine compartment |
T16a | 16-pin connector |
T16b | 16-pin connector, diagnostic socket |
T18a | 18-pin connector, brown |
T121 | 121-pin connector |
TV2 | Terminal 30 wiring junction |
A1 | Positive connection (30a), in dash panel wiring harness |
A15 | Positive connection (15), in instruments wiring harness |
A40 | Positive connection-1- (30), in instruments wiring harness |
A52 | Positive connection -2- (30), in dash panel wiring harness |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
* | Up to May 2002 |
Wiring Diagram VW POLO 2007 - Onboard power supply control unit - control unit with display in dash panel insert - oil pressure switch - oil pressure warning lamp - speedometer - fuses
Wiring Diagram VW POLO 2007 - Fuel gauge sender - fuel gauge - fuel pump (pressurising pump) - warning lamps - oil level/oil temperature sender
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 | | | |
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 | | | |
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 | | | |
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- | | | |
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 | | | |
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- | | | |
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! | | | |
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- | | | |
Polo | Fitting Locations | No. 804 / 24 |
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A - | Mobile telephone operating electronics control unit |
q | Connection for cable to mobile phone |