Wiring Diagram VW GOLF 2009 - Battery - starter - alternator - voltage regulator
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J623 | Engine control unit |
| K | Dash panel insert |
| S176 | Fuse 4 (30) in fuse holder on battery |
| S177 | Fuse 5 (30) in fuse holder on battery |
| T1a | Single pin connector, on the battery |
| T2o | 2-pin connector, on alternator |
| T4w | 4-pin connector, near starter |
| T6b | 6-pin connector, brown, on left in engine compartment |
| T10b | 10-pin connector, white, in left engine compartment |
| T32a | 32-pin connector, on control unit in dash panel insert |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body, battery |
| 500 | Screw connection 1 (30), on relay plate |
| 507 | Screw connection (30), on fuse holder on battery |
| * | only for 1.8 l engine |
Wiring Diagram VW GOLF 2009 - Ignition/starter switch - X-contact relief relay
| D | Ignition/starter switch |
| J17 | Fuel pump relay |
| J59 | X-contact relief relay |
| K | Dash panel insert |
| SA10 | Fuse 10 on fuse holder A |
| T8c | 8-connector, on ignition/starter switch |
| T32a | 32-pin connector, on control unit in dash panel insert |
| 501 | Screw connection 2 (30), on relay plate |
| 503 | Screw connection (75x), on relay plate |
| D51 | Positive connection 1 (15), in engine compartment wiring harness |
| D104 | Positive connection 2 (30a), in engine compartment wiring harness |
| D144 | Positive connection 5 (30), in engine compartment wiring harness |
| D158 | Positive connection (X), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2009 - Rear left parking aid sender - rear centre left parking aid sender - rear centre right parking aid sender - rear parking aid warning buzzer
| G203 | Rear left parking aid sender |
| G204 | Rear centre left parking aid sender |
| G205 | Rear centre right parking aid sender |
| H15 | Rear parking aid warning buzzer |
| J446 | Parking aid control unit |
| T2dq | 2-pin connector, on rear parking aid warning buzzer |
| T3aj | 3-pin connector, on rear left parking aid sender |
| T3ak | 3-pin connector, on rear centre left parking aid sender |
| T3al | 3-pin connector, on rear centre right parking aid sender |
| T12d | 12-pin connector, on parking aid control unit |
| T16e | 16-pin connector, on parking aid control unit |
Wiring Diagram VW GOLF 2009 - Rear right parking aid sender - parking aid control unit
| G206 | Rear right parking aid sender |
| J446 | Parking aid control unit |
| K | Dash panel insert |
| T3am | 3-pin connector, on rear right parking aid sender |
| T12d | 12-pin connector, on parking aid control unit |
| T16a | 16-pin connector, diagnostic |
| T16e | 16-pin connector, on parking aid control unit |
| T32a | 32-pin connector, on control unit in dash panel insert |
| A49 | Connection 1, in dash panel wiring harness |
Wiring Diagram VW GOLF 2009 - Reversing light switch
| F4 | Reversing light switch |
| SA5 | Fuse 5 on fuse holder A |
| SA7 | Fuse 7 on fuse holder A |
| T2af | 2-pin connector, on reversing light switch |
| T10d | 10-pin connector, orange, in left engine compartment |
| 42 | Earth point, next to steering column |
| 80 | Earth connection 1, in instruments wiring harness |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 605 | Earth point, on top end of steering column |
| A20 | Positive connection (15a), in dash panel wiring harness |
| D136 | Positive connection 2 (15a), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2009 - Right reversing light bulb
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T2do | 2-pin connector, on left reversing light bulb |
| T2dp | 2-pin connector, on right reversing light bulb |
| T5b | 5-pin connector, brown, in rear lid |
| T5g | 5-pin connector, on lower part of left A-pillar |
| T5l | 5-pin connector, pink, in rear lid |
| 51 | Earth point, in luggage compartment |
| 98 | Earth connection, in rear lid wiring harness |
| B182 | Connection (RL), in interior wiring harness |
VW GOLF 2009 Engine control unit (80-pin) J623
| Engine control unit (80-pin) -J623- |
|
| Designation of connector: |
| A - | Engine control unit -J623- |
| B/C - | 80-pin connector, on engine control unit -T80a- |
|
|
| Designation of connector: |
| A - | Engine control unit -J623- |
| B/C - | 121-pin connector, on engine control unit -T121a- |
|
|
| Designation of connector: |
| A - | Radiator fan control unit -J293- |
| B - | 4-pin connector, on radiator fan control unit -T4ag- |
| C - | 14-pin connector, on radiator fan control unit -T14b- |
|
|
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B - | 52-pin connector, on automatic transmission control unit -T52a- |
|
|
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B - | 68-pin connector, on automatic transmission control unit -T68b- |
|
|
| Designation of connector: |
| A - | Driver door control unit -J386- |
| B - | 29-pin connector, on driver door control unit -T29a- |
|
|
| Designation of connector: |
| A - | Front passenger door control unit -J387- |
| B - | 29-pin connector, on front passenger door control unit -T29b- |
|
|
| Designation of connector: |
| A - | Rear left door control unit -J388- |
| B - | 18-pin connector, on left rear door control unit -T18c- |
|
|
| Designation of connector: |
| A - | Rear right door control unit -J389- |
| B - | 18-pin connector, on left rear door control unit -T18d- |
|
|
| Designation of connector: |
| E - | Climatronic control unit -J255- |
| A - | 12-pin connector, on Climatronic control unit -T12b- |
| B - | 20-pin connector, on Climatronic control unit -T20a- |
| C - | 16-pin connector, on Climatronic control unit -T16d- |
| D - | 16-pin connector, on Climatronic control unit -T16b- |
|
|
| Designation of connector: |
| A - | Convenience system central control unit -J393- |
| B - | 15-pin connector, on convenience system central control unit -T15a- |
| C - | 23-pin connector, on convenience system central control unit -T23b- |
|
|
| Designation of connector: |
| A - | Multifunction steering wheel control unit -J453- |
| B - | 18-pin connector, on multi-function steering wheel control unit -T18b- |
|
|
| Designation of connector: |
| A - | Control unit with display in dash panel insert -J285- |
| C - | 32-pin connector, on control unit with display in dash panel insert -T32a- |
| 1 - | Terminal 15a |
| 2 - | Right turn signal |
| 3 - | Speed signal |
| 4 - | Turn signal relay |
| 5 - | Fuel gauge sender |
| 6 - | Terminal 31 |
| 7 - | Terminal 31, sensor earth |
| 8 - | Coolant temperature indicator sensor |
| q | up to June 2007 |
| 9 - | Terminal 31 |
| 10 - | Oil pressure switch |
| 11 - | vacant |
| 12 - | Alternator |
| - | Voltage regulator |
| 13 - | vacant |
| 14 - | Rear fog light bulb |
| 15 - | vacant |
| 16 - | Rear lid release switch |
| 17 - | Terminal 56a - high beam - |
| 18 - | Left turn signal |
| 19 - | vacant |
| 20 - | Terminal 58b - tail lights - |
| 21 - | Door contact switch |
| q | up to December 2007 |
| 22 - | Coolant shortage indicator sender |
| 23 - | Terminal 30a |
| 24 - | Terminal 31 |
| 25 - | Terminal K/W - engine diagnosis - |
| 26 - | Terminal 58r - right parking light - |
| 27 - | Terminal 58l - left parking light - |
| 28 - | Speedometer sender |
| 29 - | Brake fluid level warning contact |
| 30 - | Terminal 86s |
| 31 - | Front left belt switch |
| q | up to August 2009 |
| 32 - | vacant |
| B - | 32-pin connector, on control unit with display in dash panel insert -T32b- |
| 1 - | vacant |
| 2 - | Immobilizer reader coil |
| 3 - | vacant |
| 4 - | vacant |
| 5 - | Terminal K/W - engine diagnosis - |
| 6 - | Windscreen washer fluid level sender |
| q | up to September 2007 |
| 7 - | Brake wear indicator |
| 8 - | Terminal for CAN-Bus "high" - convenience - |
| 9 - | Terminal for CAN-Bus "low" - convenience - |
| 10 - | vacant |
| 11 - | vacant |
| 12 - | Radiator fan control unit |
| 13 - | Handbrake warning switch |
| 14 - | vacant |
| 15 - | vacant |
| 16 - | vacant |
| 17 - | Immobilizer reader coil |
| 18 - | vacant |
| 19 - | Terminal for CAN-Bus high |
| 20 - | Terminal for CAN-Bus low |
| 21 - | vacant |
| 22 - | Contact switch on bonnet / bonnet for alarm system |
| q | up to June 2007 |
| 23 - | Intermittent wiper regulator |
| 24 - | Intermittent wiper regulator |
| 25 - | Intermittent wiper regulator |
| 26 - | Ambient temperature sensor |
| 27 - | Terminal for CAN-Bus high |
| 28 - | Terminal for CAN-Bus low |
| 29 - | vacant |
| 30 - | vacant |
| 31 - | vacant |
| 32 - | vacant |
|
|
| Designation of connector: |
| A - | Airbag control unit -J234- |
| B - | 75-pin connector, on airbag control unit -T75a- |
|
|
| Designation of connector: |
| A - | ABS control unit -J104- |
| B - | 47-pin connector, on ABS control unit -T47a- |
|
|
| Designation of connector: |
| A - | Parking aid control unit -J446- |
| B - | 16-pin connector, on parking aid control unit -T16e- |
| C - | 12-pin connector, on parking aid control unit -T12d- |
|
|
| Designation of connector: |
| A - | Fresh air blower control unit -J126- |
| B - | 3-pin connector, on fresh air blower control unit -T3ad- |
|
|
| Designation of connector: |
| A - | Control unit for interactive system -J879- |
| B - | 16-pin connector, on control unit for interactive system -T16f- |
|
|
| Designation of connector: |
| A - | Control unit for lighting and wiper functions -J917- |
| B - | 12-pin connector, on control unit for lighting and wiper functions -T12h- |
| C - | 16-pin connector, on control unit for lighting and wiper functions -T16g- |
|
|
| Designation of connector: |
| A - | Heated driver seat control unit -J131- |
| B - | 6-pin connector, on heated driver seat control unit -T6p- |
|
|
| Designation of connector: |
| A - | Heated front passenger seat control unit -J132- |
| B - | 6-pin connector, on heated front passenger seat control unit -T6q- |
|
|
| Designation of connector: |
| A - | Sliding sunroof adjustment control unit -J245- |
| B - | 6-pin connector, on sliding sunroof adjustment control unit -T6m- |
| C - | 6-pin connector, on control for sliding sunroof adjustment -T6v- |
|
|
| Designation of connector: |
| A - | Mirror memory control unit -J267- |
| B - | 18-pin connector, on mirror memory control unit -T18e- |






























































