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Wiring Diagram VW POLO 2010 - Reset button - Ambient temperature sensor - Multifunction indicator - Onboard supply control unit - Dash panel insert
| E91 | Function selection switch |
| E92 | Reset button |
| G17 | Ambient temperature sensor |
| J119 | Multifunction indicator |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| K | Dash panel insert |
| T2fm | 2-pin connector |
| T32 | 32-pin connector |
| T41 | 41-pin connector |
| T73b | 73-pin connector |
| 110 | Earth connection 2, in dash panel wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 354 | Earth connection 6, in dash panel wiring harness |
| 439 | Earth connection 3, 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 |
| * | see applicable current flow diagram for engine |
VW POLO 2010 Overview of control units
| 2 - | Actuator for structure-borne sound -R214- |
| q | Fitting location |
| 3 - | ABS control unit -J104- |
| q | Connector assignment |
| 4 - | Control unit for structure-borne sound -J869- |
| q | Fitting location |
| q | Connector assignment |
| 5 - | Airbag control unit -J234- |
| q | Connector assignment |
| 6 - | Control unit with display for radio and navigation -J503- |
| 6 - | Air conditioning system control unit -J301- |
| 6 - | Climatronic control unit -J255- |
| 7 - | Multimedia system control unit -J650- |
| 7 - | Data bus diagnostic interface -J533- |
| 7 - | Headlight range control unit -J431- |
| q | Fitting location |
| q | Connector assignment |
| 9 - | Mobile telephone operating electronics control unit -J412- |
| q | Connector assignment |
| 10 - | Sliding sunroof adjustment control unit -J245- |
| 11 - | Rear right door control unit -J389- |
| q | Connector assignment |
| 12 - | Sliding sunroof adjustment control unit -J245- |
| q | Fitting location from May 2010 |
| 13 - | Trailer detector control unit -J345- |
| q | Connector assignment |
| 13 - | Parking aid control unit -J446- |
| q | Connector assignment |
| q | Fitting location |
| 15 - | Rear left door control unit -J388- |
| q | Connector assignment |
| 16 - | Voltage stabiliser -J532- |
| q | Fitting location |
| q | Connector assignment |
| 17 - | Multifunction steering wheel control unit -J453- |
| 18 - | Heated front seats control unit -J774- |
| q | Fitting location right-hand drive |
| q | Connector assignment |
| 19 - | Driver door control unit -J386- |
| q | Connector assignment |
| 20 - | Control unit in dash panel insert -J285- |
| 21 - | Onboard supply control unit -J519- |
| q | Connector assignment |
| 22 - | Windscreen wiper motor -V- |
| 23 - | Engine control unit -J623- |
| q | Connector assignment |
| 23 - | Power steering sensor -G250- |
| 24 - | Gas mode control unit -J659- |
| q | Connector assignment up to November 2010 |
| q | Connector assignment from November 2010 |
| 25 - | Power steering control unit -J500- |
| 26 - | Radiator fan control unit -J293- |
| q | Fitting location from May 2011 |
| q | Fitting location for models with two radiator fans |
| q | Fitting location |
|
| Connector assignment: |
| A - | Control unit for structure-borne sound -J869- |
| B - | 12-pin connector -T12x- |
|
| Connector assignment: |
| A - | ABS control unit -J104- |
| B - | 38-pin connector -T38- |
| Connector assignment: |
| 1 - | Airbag control unit -J234- |
| 2 - | 50-pin connector -T50- |
| Control unit with display for radio and navigation -J503- |
| Connector assignment: |
| A - | Control unit with display for radio and navigation -J503- |
| 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 - | 26-pin connector -T26- |
| F - | 2-pin connector for aerial |
| G - | 12-pin connector, (connection for Japan) |
| 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- |
| Climatronic control unit -J255- |
| Connector assignment: |
| A - | Climatronic control unit -J255- |
| B - | 20-pin connector -T20- |
| C - | 16-pin connector -T16i- |
| Multimedia system control unit -J650- |
| Fitting location: |
| 1 - | Multimedia system control unit -J650- |
| 2 - | 12-pin connector -T12e- |
|
Note:
|
| Connector assignment. |
| 1 - | Front passenger door control unit -J387- |
| 2 - | 16-pin connector -T16l- |
|
| Connector assignment: |
| 1 - | Mobile telephone operating electronics control unit -J412- |
| 2 - | 54-pin connector -T54- |
| Sliding sunroof adjustment control unit -J245- |
| Fitting location up to May 2010 |
| 1 - | Sliding sunroof adjustment control unit -J245- |
| 2 - | 16-pin connector -T16m- |
Note:
|
| Connector assignment. |
| 1 - | Rear right door control unit -J389- |
| 2 - | 16-pin connector -T16k- |
| Sliding sunroof adjustment control unit -J245- |
| Fitting location from May 2010 |
| 1 - | Sliding sunroof adjustment control unit -J245- |
| A - | 10-pin connector -T10x- |
|
| Connector assignment: |
| A - | 16-pin connector -T16f- |
| B - | 12-pin connector -T12a- |
| C - | Trailer detector control unit -J345- |
| Parking aid control unit -J446- |
| Connector assignment: |
| A - | 16-pin connector -T16e- |
| B - | Not assigned |
| 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- |
|
|
| Multifunction steering wheel control unit -J453- |
| Fitting location: |
| A - | Multifunction steering wheel control unit -J453- |
| B - | 5-pin connector -T5m- |
| C - | 6-pin connector -Flachleiter- |
|
|
| Connector assignment: |
| 1 - | Heated front seats control unit -J774- |
| 2 - | 16-pin connector -T16n- |
|
| Connector assignment. |
| 1 - | Driver door control unit -J386- |
| 2 - | 16-pin connector -T16g- |
| Control unit in dash panel insert -J285- |
| 1 - | Control unit in dash panel insert -J285- |
| 2 - | 32-pin connector -T32- |
| 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 for onboard supply control unit -J519- |
| Connector | Pin | Terminal |
| A | 1 | - |
| A | 2 | Left dipped beam output signal 1) |
| A | 3 | - |
| A | 4 | Interior lighting out put signal, door contact switch |
| A | 5 | - |
| A | 6 | Rear fog light output signal 1) |
| A | 7 | Fog light switch input signal |
| 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 | Central locking motor "Safe" output signal for all doors |
| 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 | Bonnet contact switch input signal |
| 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 | Switch-off signal for heated seat |
| A | 37 | - |
| A | 38 | Heated exterior mirror output signal |
| A | 39 | Earth input signal (31) |
| A | 40 | Rear right side light bulb output signal |
| A | 41 | Rear left side light bulb output signal |
| 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 | Headlight washer system relay output signal |
| A | 50 | - |
| A | 51 | - |
| A | 52 | Fuel supply relay output signal |
| A | 53 | - |
| A | 54 | Supply input signal (75a) for ignition/starter switch 1) |
| A | 55 | Starter inhibitor relay output signal (only models with automatic gearbox) |
| A | 56 | Hazard warning light system warning lamp signal output |
| A | 57 | Interior monitoring "off" warning lamp output signal |
| 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 | Main beam output signal 1) |
| A | 63 | Supply input signal (30), left headlight 1) |
| A | 64 | Supply input signal (30), heated exterior mirrors |
| A | 65 | Supply (30G) output signal, interior light and luggage compartment light |
| 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 | Right dipped beam output signal 1) |
| B | 3 | - |
| B | 4 | - |
| B | 5 | - |
| B | 6 | - |
| B | 7 | - |
| B | 8 | - |
| B | 9 | Left fog light bulb output signal |
| B | 10 | Right fog light bulb output signal |
| B | 11 | Fog light bulb supply input signal (30) |
| B | 12 | Reversing light output signal (only models with automatic gearbox) |
| 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 | LIN bus, sliding sunroof adjustment control unit, rain and light detector sensor, interior monitoring sensor |
| B | 25 | - |
| B | 26 | - |
| B | 27 | Window wiper position 1 input signal |
| B | 28 | Central locking input signal, front passenger door |
| B | 29 | - |
| B | 30 | Interior monitoring deactivation switch input signal |
| B | 31 | Heated rear window button input signal |
| B | 32 | Wiper limit switch input signal |
| B | 33 | - |
| B | 34 | Switch and instrument illumination (58d) input signal |
| B | 35 | - |
| B | 36 | LIN bus, alarm horn |
| 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 | Brake contact switch input signal |
| B | 43 | - |
| B | 44 | Cruise control system "Set" input signal |
| B | 45 | Cruise control system "On/Off" input signal |
| B | 46 | Cruise control system "Reset" input signal |
| B | 47 | Cruise control system "Cancel" input signal |
| B | 48 | Reversing light switch input signal |
| B | 49 | Signal (L) alternator |
| B | 50 | Starter relay input signal 1) |
| B | 51 | Supply input signal (75a) for ignition/starter switch |
| B | 52 | Window washer pump supply input signal |
| B | 53 | Window wiper position 2 input signal |
| B | 54 | - |
| B | 55 | Starter inhibitor signal (only models with automatic gearbox) |
| B | 56 | - |
| B | 57 | - |
| B | 58 | Heated exterior mirror switch input signal |
| 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 | Supply input signal (30), right headlight 1) |
| B | 69 | - |
| B | 70 | - |
| B | 71 | - |
| B | 72 | - |
| B | 73 | - |
| 1) Only models with start/stop system |
| Engine control unit -J623- |
| Fitting location: |
| 1 - | Windscreen wiper motor -V- |
| 2 - | 14-pin connector -T14- |
| 3 - | Brake light switch -F- |
| 4 - | Brake fluid level warning contact -F34- |
| 5 - | 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 | According to 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 | According to equipment |
|
|
| Connector assignment: (to November 2010) |
| A - | Gas mode control unit -J659- |
| B - | 56-pin connector -T56-, on wiring harness |
| Connector assignment: (from November 2010) |
Note:
| Warning, special pin on connector! |
| A - | Gas mode control unit -J659- |
| B - | 48-pin connector -T48b- |
| C - | 32-pin connector -T32a- |
| Power steering control unit -J500- |
| 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 horn -H7- , 2-pin connector -T2fd- |
| 7 - | Treble horn -H2- , 2-pin connector -T2fc- |
|
|
|
|
|
