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Wiring Diagram VW POLO 2010 - ABS control unit - Onboard supply control unit - Diagnostic connection
| E1 | Light switch |
| J104 | ABS control unit |
| J106 | ABS solenoid valve relay |
| J519 | Onboard supply control unit |
| SC1 | Fuse 1 on fuse holder C |
| SC4 | Fuse 4 on fuse holder C |
| SA5 | Fuse 5 in fuse holder A |
| SB9 | Fuse 9 on fuse holder B |
| T16b | 16-pin connector |
| T17a | 17-pin connector |
| T38 | 38-pin connector |
| T73a | 73-pin connector |
| T73b | 73-pin connector |
| U31 | Diagnostic connection |
| 685 | Earth point 1 at front of right longitudinal member |
| A19 | Connection (58d), in dash panel wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
Wiring Diagram VW POLO 2010 - Brake light switch - ABS control unit
| F | Brake light switch |
| J104 | ABS control unit |
| J105 | ABS return flow pump relay |
| J623 | Engine control unit |
| SB33 | Fuse 33 on fuse holder B |
| T4e | 4-pin connector |
| T38 | 38-pin connector |
| T80 | 80-pin connector |
| V39 | ABS return flow pump |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 132 | Earth connection 3, in engine compartment wiring harness |
| 201 | Earth connection 5, in engine compartment wiring harness |
| A100 | Connection 2 (87) in dash panel wiring harness |
| D73 | Positive connection (54), in engine compartment wiring harness |
Wiring Diagram VW POLO 2010 - Rear right speed sensor - Front right speed sensor - Rear left speed sensor - Front left speed sensor - ABS control unit
| G44 | Rear right speed sensor |
| G45 | Front right speed sensor |
| G46 | Rear left speed sensor |
| G47 | Front left speed sensor |
| J104 | ABS control unit |
| N99 | Front right ABS inlet valve |
| N100 | Front right ABS outlet valve |
| N101 | Front left ABS inlet valve |
| N102 | Front left ABS outlet valve |
| N133 | Rear right ABS inlet valve |
| N134 | Rear left ABS inlet valve |
| N135 | Rear right ABS outlet valve |
| N136 | Rear left ABS outlet valve |
| T2da | 2-pin connector |
| T2db | 2-pin connector |
| T2dc | 2-pin connector |
| T2dd | 2-pin connector |
| T38 | 38-pin connector |
| J3 | Connection 1, in ABS wiring harness |
| J5 | Connection 2, in ABS wiring harness |
| J7 | Connection 3, in ABS wiring harness |
| J8 | Connection 4, in ABS wiring harness |
Wiring Diagram VW POLO 2010 - Handbrake warning switch - Brake fluid level warning contact - Control unit in dash panel insert - Dash panel insert
| F9 | Handbrake warning switch |
| F34 | Brake fluid level warning contact |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K33 | Brake fluid level warning lamp |
| K47 | ABS warning lamp |
| K220 | Tyre pressure monitor warning lamp |
| SB20 | Fuse 20 on fuse holder B |
| T2cx | 2-pin connector |
| T2de | 2-pin connector |
| T32 | 32-pin connector |
| 110 | Earth connection 2, in dash panel wiring harness |
| 439 | Earth connection 3, in dash panel wiring harness |
| 605 | Earth point, on top end of steering column |
VW POLO 2010 Overview of control units
| 1 - | Airbag control unit -J234- |
| q | Connector assignment |
| 2 - | Onboard supply control unit -J519- |
| q | Connector assignment |
| 3 - | Control unit in dash panel insert -J285- |
| q | Connector assignment |
| 4 - | Driver door control unit -J386- |
| q | Connector assignment |
| 5 - | Rear right door control unit -J389- |
| q | Connector assignment |
| q | Connector assignment |
| 7 - | Rear left door control unit -J388- |
| q | Connector assignment |
| 8 - | Front passenger door control unit -J387- |
| q | Connector assignment |
| 9 - | Radio -R- |
| 9 - | Air conditioning system control unit -J301- |
| 11 - | Engine control unit -J623- |
| q | Connector assignment |
| 11 - | Power steering sensor -G250- |
| q | Fitting location: on left in engine compartment, behind battery |
| q | Connector assignment |
| 13 - | Power steering control unit -J500- |
| 14 - | Radiator fan control unit -J293- |
| q | Fitting location from May 2010 |
| 14 - | Automatic glow period control unit -J179- |
| Connector assignment: |
| 1 - | Airbag control unit -J234- |
| 2 - | 50-pin connector -T50- |
| Onboard supply control unit -J519- |
| Fitting location: |
| 1 - | Onboard supply control unit -J519- |
| Connector assignment: |
| A - | 73-pin connector -T73a- |
| B - | 73-pin connector -T73b- |
| Description of signal onboard supply control unit -J519- |
| Connector | Pin | Terminal |
| A | 1 | - |
| A | 2 | - |
| A | 3 | - |
| A | 4 | Interior lighting out put signal, door contact switch |
| A | 5 | - |
| A | 6 | - |
| A | 7 | - |
| A | 8 | - |
| A | 9 | - |
| A | 10 | Rear lid release motor output signal |
| A | 11 | Central locking motor "lock" output signal for all doors |
| A | 12 | Central locking motor output signal for driver's door |
| A | 13 | - |
| A | 14 | Central locking earth input signal (31) |
| A | 15 | Central locking motor output signal for front passenger door and rear doors |
| A | 16 | Central locking supply input signal (30) |
| A | 17 | Central locking lock unit input signal for rear left door |
| A | 18 | Central locking lock unit input signal for rear right door |
| A | 19 | Driver side door contact switch input signal |
| A | 20 | Front passenger side door contact switch input signal |
| A | 21 | Central locking lock unit input signal for front passenger door |
| A | 22 | Central locking lock unit input signal for driver's door |
| A | 23 | Rear lid handle release button input signal |
| A | 24 | Central locking input signal, driver door |
| A | 25 | Interior locking button input signal |
| A | 26 | Door contact switch input signal for rear right door |
| A | 27 | - |
| A | 28 | Hazard warning light button input signal |
| A | 29 | Horn plate input signal |
| A | 30 | Rear lid lock position 2 input signal |
| A | 31 | Rear lid lock position 1 input signal |
| A | 32 | Right turn signal switch input signal |
| A | 33 | Left turn signal switch input signal |
| A | 34 | Door contact switch input signal for rear left door |
| A | 35 | - |
| A | 36 | - |
| A | 37 | - |
| A | 38 | - |
| A | 39 | Earth input signal (31) |
| A | 40 | - |
| A | 41 | - |
| A | 42 | Supply input signal (86s) for ignition/starter switch |
| A | 43 | Brake pedal position sender input signal |
| A | 44 | Supply input signal (15) for ignition/starter switch |
| A | 45 | Side light switch input signal |
| A | 46 | - |
| A | 47 | - |
| A | 48 | - |
| A | 49 | - |
| A | 50 | - |
| A | 51 | - |
| A | 52 | Fuel supply relay output signal |
| A | 53 | - |
| A | 54 | - |
| A | 55 | - |
| A | 56 | Hazard warning light system warning lamp signal output |
| A | 57 | - |
| A | 58 | Central locking SAFE function warning lamp output signal |
| A | 59 | Interior locking warning lamp output signal |
| A | 60 | Heated rear window warning lamp output signal |
| A | 61 | - |
| A | 62 | - |
| A | 63 | - |
| A | 64 | - |
| A | 65 | Supply output signal (30G), interior lights |
| A | 66 | Supply input signal (30), interior lights |
| A | 67 | - |
| A | 68 | Supply input signal (30), window wiper |
| A | 69 | Window wiper position 1 output signal |
| A | 70 | Window wiper earth input signal |
| A | 71 | Window wiper position 2 output signal |
| A | 72 | Horn output signal |
| A | 73 | Horn supply input signal (30) |
| B | 1 | - |
| B | 2 | - |
| B | 3 | - |
| B | 4 | - |
| B | 5 | - |
| B | 6 | - |
| B | 7 | - |
| B | 8 | - |
| B | 9 | - |
| B | 10 | - |
| B | 11 | - |
| B | 12 | - |
| B | 13 | Turn signal and brake light supply input signal (30) |
| B | 14 | Left turn signal output signal |
| B | 15 | Right turn signal output signal |
| B | 16 | Brake lights output signal |
| B | 17 | LIN bus, door control unit and switches in steering wheel |
| B | 18 | Powertrain CAN, low |
| B | 19 | Powertrain CAN, high |
| B | 20 | Convenience CAN, high |
| B | 21 | Convenience CAN, low |
| B | 22 | Diagnosis CAN, low |
| B | 23 | Diagnosis CAN, high |
| B | 24 | - |
| B | 25 | - |
| B | 26 | - |
| B | 27 | Window wiper position 1 input signal |
| B | 28 | - |
| B | 29 | - |
| B | 30 | - |
| B | 31 | Heated rear window button input signal |
| B | 32 | Wiper limit switch input signal |
| B | 33 | - |
| B | 34 | Switch and Instrument Illumination (58d) Output Signal |
| B | 35 | - |
| B | 36 | - |
| B | 37 | Signal (K), diagnosis |
| B | 38 | Earth input signal (31) for electronics |
| B | 39 | Supply input signal (30) for electronics |
| B | 40 | - |
| B | 41 | - |
| B | 42 | - |
| B | 43 | - |
| B | 44 | - |
| B | 45 | - |
| B | 46 | - |
| B | 47 | - |
| B | 48 | Reversing light switch input signal |
| B | 49 | Signal (L) alternator |
| B | 50 | Terminal 50 input signal from ignition/starter switch |
| B | 51 | Supply input signal (75a) for ignition/starter switch |
| B | 52 | - |
| B | 53 | Window wiper position 2 input signal |
| B | 54 | - |
| B | 55 | - |
| B | 56 | - |
| B | 57 | - |
| B | 58 | - |
| B | 59 | Input signal for reference voltage (30) |
| B | 60 | Input signal for earth - reference voltage (31) |
| B | 61 | Washer pump motor and rear window wiper motor output signal |
| B | 62 | Windscreen wiper intermittent operation input signal |
| B | 63 | Heated rear window output signal |
| B | 64 | - |
| B | 65 | - |
| B | 66 | - |
| B | 67 | Heated rear window supply input signal (30) |
| B | 68 | - |
| B | 69 | - |
| B | 70 | - |
| B | 71 | - |
| B | 72 | - |
| B | 73 | - |
| Control unit in dash panel insert -J285- |
| 1 - | Control unit in dash panel insert -J285- |
| 2 - | 32-pin connector -T32- |
Note:
|
| Connector assignment. |
| 1 - | Driver door control unit -J386- |
| 2 - | 16-pin connector -T16g- |
Note:
|
| Connector assignment. |
| 1 - | Rear right door control unit -J389- |
| 2 - | 16-pin connector -T16k- |
Note:
|
| Connector assignment |
| A - | 16-pin connector -T16e- |
| B - | Vacant |
| C - | 12-pin connector -T12- |
| D - | Parking aid control unit -J446- |
|
| Connector assignment. |
| 1 - | Rear left door control unit -J388- |
| 2 - | 16-pin connector -T16j- |
|
| Connector assignment. |
| 1 - | Front passenger door control unit -J387- |
| 2 - | 16-pin connector -T16l- |
| Radio -R- |
| Connector assignment: |
| A - | Radio -R- |
| B - | Quadlock Connector |
| q | 8-pin connector, black -T8k- |
| q | 8-pin connector, brown -T8j- |
| q | 12-pin connector, blue -T12f- |
| C - | Radio -R- |
| D - | Single connector for aerial |
| E - | Not present |
| F - | Not present |
| G - | Not present |
| Air conditioning system control unit -J301- |
| Connector assignment: |
| A - | 5-pin connector -T5l- |
| B - | 16-pin connector -T16h- |
| C - | 18-pin connector -T18- |
| D - | Air conditioning system control unit -J301- |
| Multimedia system control unit -J650- |
| 1 - | Multimedia system control unit -J650- |
| 2 - | 12-pin connector -T12e- |
Note:
| The illustration may deviate. |
Note:
|
| Engine control unit -J623- |
| Connector assignment: |
| -T80- - | 80-pin connector |
Note:
| t | The T80 connector is composed of a 52-pin connector and a 28-pin connector. |
| t | Depending on equipment |
| Connector assignment: |
| A - | Engine control unit -J623- |
| B - | 94-pin connector -T94- |
| C - | 60-pin connector -T60- |
Note:
| t | The connector is composed of a 94-pin connector and a 60-pin connector. |
| t | Depending on equipment |
| ABS control unit -J104- |
| Connector assignment: |
| A - | ABS control unit -J104- |
| B - | 38-pin connector -T38- |
Note:
|
| Fitting location: |
| 1 - | 4-pin connector -T4z- |
| 2 - | 2-pin connector -T2di- |
| 3 - | 3-pin connector -T3s- |
| 4 - | Power steering control unit -J500- |
| 5 - | Steering hydraulics pump -V119- |
| 6 - | Bass tone horn -H7- , 2-pin connector -T2fd- |
| 7 - | Treble tone horn -H2- , 2-pin connector -T2fc- |
|
|
|
| Connector assignment |
| 1 - | Power steering control unit -J500- |
| A - | 2-pin connector -T2di- (J500) |
| B - | 3-pin connector -T3s- (J500) |
| C - | 6-pin connector -T6bc- (V187) |
| D - | 6-pin connector -T6bd- (G269) |
|
