Wiring Diagram VW GOLF CABRIOLET 2016 - Onboard supply control unit
| J519 | Onboard supply control unit |
| J743 | Mechatronic unit for dual clutch gearbox |
| T25 | 25-pin connector, black |
| T52a | 52-pin connector, black |
| T52b | 52-pin connector, white |
| T52c | 52-pin connector, brown |
| 14 | Earth point, on gearbox |
| 652 | Earth point, engine and gearbox earth |
| B278 | Positive connection 2 (15a) in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| * | Only models with manual gearbox |
| *2 | Only left-hand drive models |
| *3 | Only right-hand drive models |
Wiring Diagram VW GOLF CABRIOLET 2016 - Onboard supply control unit - Starter relay 1 - Starter relay 2 - Fuse holder B
| J329 | Terminal 15 voltage supply relay |
| J519 | Onboard supply control unit |
| J532 | Voltage stabiliser |
| J906 | Starter relay 1 |
| J907 | Starter relay 2 |
| SB | Fuse holder B |
| SB7 | Fuse 7 on fuse holder B |
| SB8 | Fuse 8 on fuse holder B |
| T9b | 9-pin connector, black |
| T9c | 9-pin connector, black |
| T9d | 9-pin connector, black |
| T12ac | 12-pin connector, red |
| T40 | 40-pin connector, black |
| T52c | 52-pin connector, brown |
| B163 | Positive connection 1 (15), in interior wiring harness |
| B278 | Positive connection 2 (15a) in main wiring harness |
| B660 | Connection (diagnosis terminal 50), in main wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Battery - Starter - Alternator with voltage regulator - Fuse 5 in fuse holder A - Fuse holder B
| A | Battery |
| B | Starter |
| CX1 | Alternator with voltage regulator |
| J367 | Battery monitor control unit |
| SA5 | Fuse 5 in fuse holder A |
| SB | Fuse holder B |
| SB3 | Fuse 3 on fuse holder B |
| SB24 | Fuse 24 on fuse holder B |
| T2bn | 2-pin connector, black |
| T2cn | 2-pin connector, black |
| T4t | 4-pin connector, near starter, black |
| T40 | 40-pin connector, black |
| 508 | Threaded connection (30) on E-box |
| B319 | Positive connection 5 (30a) in main wiring harness |
| B698 | Connection 3 (LIN bus) in main wiring harness |
| D180 | Connection (87a), in engine compartment wiring harness |
| * | Push-in bridge on relay slot |
Wiring Diagram VW GOLF CABRIOLET 2016 - Main relay - Fuse holder B
| J271 | Main relay |
| SB | Fuse holder B |
| SB10 | Fuse 10 on fuse holder B |
| SB13 | Fuse 13 on fuse holder B |
| SB14 | Fuse 14 on fuse holder B |
| SB15 | Fuse 15 on fuse holder B |
| SB21 | Fuse 21 on fuse holder B |
| SB22 | Fuse 22 on fuse holder B |
| SB23 | Fuse 23 on fuse holder B |
| T14a | 14-pin connector, near battery, black |
| T40 | 40-pin connector, black |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Fuse holder C
| SC | Fuse holder C |
| SC2 | Fuse 2 on fuse holder C |
| SC4 | Fuse 4 on fuse holder C |
| SC27 | Fuse 27 on fuse holder C |
| SC47 | Fuse 47 on fuse holder C |
| B169 | Positive connection 1 (30), in interior wiring harness |
| B320 | Positive connection 6 (30a) in main wiring harness |
| B504 | Positive connection 8 (30a), in interior wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Engine control unit
| J527 | Steering column electronics control unit |
| J623 | Engine control unit, central in plenum chamber |
| T16r | 16-pin connector, black |
| T94 | 94-pin connector, black |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 607 | Earth point, on left in plenum chamber |
| D182 | Connection 3 (87a) in engine compartment wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage - Ignition coil 4 with output stage
| J623 | Engine control unit, central in plenum chamber |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| N292 | Ignition coil 4 with output stage |
| Q23 | Spark plug 1 |
| Q24 | Spark plug 2 |
| Q25 | Spark plug 3 |
| Q26 | Spark plug 4 |
| T4af | 4-pin connector, black |
| T4ag | 4-pin connector, black |
| T4ah | 4-pin connector, black |
| T4ai | 4-pin connector, black |
| T14a | 14-pin connector, near battery, black |
| T60 | 60-pin connector, black |
| 15 | Earth point, on cylinder head |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 281 | Earth point 1, engine prewiring harness |
| 642 | Earth point for electronically controlled fan |
| D206 | Connection 4 (87a) in engine prewiring harness |
| * | Earth supply via housing |
Wiring Diagram VW GOLF CABRIOLET 2016 - Throttle valve module - Hall sender - Hall sender 3 - Engine control unit
| GX3 | Throttle valve module |
| G40 | Hall sender |
| G186 | Throttle valve drive for electric throttle |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| G300 | Hall sender 3 |
| J338 | Throttle valve module |
| J623 | Engine control unit, central in plenum chamber |
| T3bv | 3-pin connector, black |
| T3d | 3-pin connector, black |
| T6x | 6-pin connector, black |
| T60 | 60-pin connector, black |
| 283 | Earth point 2, engine prewiring harness |
| D39 | Connection 1, in engine prewiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
| * | According to equipment |
Wiring Diagram VW GOLF CABRIOLET 2016 - Intake manifold sender - Charge pressure sender - Fuel pressure sender - Engine control unit
| GX9 | Intake manifold sender |
| GX26 | Charge pressure sender |
| G31 | Charge pressure sender |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| G247 | Fuel pressure sender |
| G299 | Intake air temperature sender 2 |
| J623 | Engine control unit, central in plenum chamber |
| T3bw | 3-pin connector, black |
| T4ak | 4-pin connector, black |
| T4cq | 4-pin connector, black |
| T60 | 60-pin connector, black |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D101 | Connection 1 in engine compartment wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Engine speed sender - Coolant temperature sender - Engine control unit - Charge pressure positioner
| G28 | Engine speed sender |
| G62 | Coolant temperature sender |
| J623 | Engine control unit, central in plenum chamber |
| T2co | 2-pin connector, black |
| T3v | 3-pin connector, black |
| T6by | 6-pin connector, black |
| T60 | 60-pin connector, black |
| V465 | Charge pressure positioner |
| 458 | Earth point 3, engine prewiring harness |
| D107 | Connection 5 in engine compartment wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Knock sensor 1 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Charge air cooling pump
| G61 | Knock sensor 1 |
| J623 | Engine control unit, central in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T2cn | 2-pin connector, black |
| T2cp | 2-pin connector, black |
| T2cq | 2-pin connector, black |
| T2cr | 2-pin connector, black |
| T2cs | 2-pin connector, black |
| T3bx | 3-pin connector, black |
| T14a | 14-pin connector, near battery, black |
| T60 | 60-pin connector, black |
| V188 | Charge air cooling pump |
Wiring Diagram VW GOLF CABRIOLET 2016 - Radiator outlet coolant temperature sender - Engine control unit - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1 - Fuel metering valve - Exhaust camshaft control valve 1 - Valve for oil pressure control
| G83 | Radiator outlet coolant temperature sender |
| J623 | Engine control unit, central in plenum chamber |
| N80 | Activated charcoal filter solenoid valve 1 |
| N205 | Camshaft control valve 1 |
| N290 | Fuel metering valve |
| N318 | Exhaust camshaft control valve 1 |
| N428 | Valve for oil pressure control |
| T2ct | 2-pin connector, black |
| T2cu | 2-pin connector, black |
| T2cv | 2-pin connector, black |
| T2cw | 2-pin connector, black |
| T2cx | 2-pin connector, black |
| T2cy | 2-pin connector, black |
| T14a | 14-pin connector, near battery, black |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| D196 | Connection 2 (87a) in engine prewiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Oil pressure switch - Accelerator pedal module - Engine control unit - Vacuum pump for brakes
| F1 | Oil pressure switch |
| GX2 | Accelerator pedal module |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J623 | Engine control unit, central in plenum chamber |
| T1y | Single connector, black |
| T4bo | 4-pin connector, black |
| T4x | 4-pin connector, on radiator fan, bottom left, black |
| T6h | 6-pin connector, black |
| T60 | 60-pin connector, black |
| T94 | 94-pin connector, black |
| V192 | Vacuum pump for brakes |
| * | Radiator fan connection |
| *2 | see applicable current flow diagram for radiator fan |
| *3 | According to equipment |
| *4 | Earth supply via housing |
Wiring Diagram VW GOLF CABRIOLET 2016 - Start/Stop operation button - Lambda probe 1 after catalytic converter - Lambda probe 1 before catalytic converter - Engine control unit
| E693 | Start/Stop operation button |
| GX7 | Lambda probe 1 after catalytic converter |
| GX10 | Lambda probe 1 before catalytic converter |
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| J623 | Engine control unit, central in plenum chamber |
| K259 | Start/Stop operation warning lamp |
| L76 | Button illumination bulb |
| T4by | 4-pin connector, black |
| T4v | 4-pin connector, black |
| T6ax | 6-pin connector, black |
| T94 | 94-pin connector, black |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| A217 | Positive connection 8 (15a) in dash panel wiring harness |
| D181 | Connection 2 (87a) in engine compartment wiring harness |
| * | Pre-wired component |
Wiring Diagram VW GOLF CABRIOLET 2016 - Brake light switch - Vacuum sender - Gearbox neutral position sender - Engine control unit
| F | Brake light switch |
| G608 | Vacuum sender |
| G701 | Gearbox neutral position sender |
| J623 | Engine control unit, central in plenum chamber |
| T3bo | 3-pin connector, black |
| T4bc | 4-pin connector, black |
| T4bn | 4-pin connector, black |
| T94 | 94-pin connector, black |
| 328 | Earth connection 2 (sender earth), in engine compartment wiring harness |
| 389 | Earth connection 24, in main wiring harness |
| A216 | Positive connection 2 (87a) in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| D141 | Connection (5V) in engine prewiring harness |
| * | Only models with manual gearbox |
Wiring Diagram VW GOLF CABRIOLET 2016 - Clutch position sender - Engine control unit
| G476 | Clutch position sender |
| J623 | Engine control unit, central in plenum chamber |
| T5m | 5-pin connector, black |
| T94 | 94-pin connector, black |
| 43 | Earth point, lower part of right A-pillar |
| 44 | Earth point, lower part of left A-pillar |
| 366 | Earth connection 1, in main wiring harness |
| 367 | Earth connection 2, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| 387 | Earth connection 22, in main wiring harness |
| 389 | Earth connection 24, in main wiring harness |
| 605 | Earth point, on top end of steering column |
| A216 | Positive connection 2 (87a) in dash panel wiring harness |
| * | Only models with manual gearbox |
| *2 | Only left-hand drive models |
| *3 | Only right-hand drive models |
Wiring Diagram VW GOLF CABRIOLET 2016 - Data bus diagnostic interface - Engine control unit
| J533 | Data bus diagnostic interface |
| J623 | Engine control unit, central in plenum chamber |
| T16 | 16-pin connector, black |
| T20 | 20-pin connector, red |
| T94 | 94-pin connector, black |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| * | Diagnostic connection |
| *2 | Only left-hand drive models |
| *3 | Only right-hand drive models |
Wiring Diagram VW GOLF CABRIOLET 2016 - Fuel delivery unit - Control unit in dash panel insert - Fuel pump control unit - Dash panel insert
| G | Fuel gauge sender |
| GX1 | Fuel delivery unit |
| G6 | Fuel system pressurisation pump |
| J285 | Control unit in dash panel insert |
| J538 | Fuel pump control unit |
| KX2 | Dash panel insert |
| T5b | 5-pin connector, black |
| T10n | 10-pin connector, black |
| T32 | 32-pin connector, black |
| 383 | Earth connection 18, in main wiring harness |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
| 682 | Earth point 2, in rear right side panel |
| B489 | Connection 25, in main wiring harness |
Wiring Diagram VW GOLF CABRIOLET 2016 - Oil pressure switch for reduced oil pressure - Control unit in dash panel insert - Dash panel insert
| F378 | Oil pressure switch for reduced oil pressure |
| J285 | Control unit in dash panel insert |
| KX2 | Dash panel insert |
| T1y | Single connector, black |
| T14a | 14-pin connector, near battery, black |
| T32 | 32-pin connector, black |
| * | Earth supply via housing |
VW GOLF CABRIOLET 2016 Overview of control units
| 1 - | Auxiliary heater control unit -J364- |
| q | Fitting location and / assignment → Chapter |
| 2 - | Airbag control unit -J234- |
| q | Fitting location → Chapter |
| 3 - | Fresh air blower control unit -J126- |
| q | Fitting location → Chapter |
| 4 - | Control unit for cornering light and headlight range control -J745- |
| q | Fitting location → Chapter |
| 5 - | Voltage stabiliser -J532- |
| q | on left under dash panel, near onboard supply control unit → Chapter |
| 6 - | Front passenger door control unit -J387- |
| q | Fitting location → Chapter |
| 7 - | Light sensor -G399- |
| - | Main beam assist control unit -J844- |
| - | Automatic anti-dazzle interior mirror -Y7- |
| q | Fitting location → Chapter |
| 8 - | Data bus diagnostic interface -J533- |
| q | Fitting location and / assignment → Chapter |
| 9 - | Driver door control unit -J386- |
| q | Fitting location → Chapter |
| 10 - | Steering column electronics control unit -J527- |
| q | Fitting location and / assignment → Chapter |
| 11 - | Dash panel insert -K- |
| - | Control unit in dash panel insert -J285- |
| - | Immobiliser control unit -J362- |
| q | Fitting location and / assignment → Chapter |
| 12 - | Onboard supply control unit -J519- |
| q | Fitting location → Chapter |
| q | Connector assignment of 52-pin connector -T52 A--black- → Chapter |
| q | Connector assignment of 52-pin connector -T52 B--white- → Chapter |
| q | Connector assignment of 52-pin connector -T52 C--brown- → Chapter |
| 13 - | Parking aid control unit -J446- |
| q | Fitting location → Chapter |
| q | Connector assignment from November 2011 → Chapter |
| q | Connector assignment from November 2014 → Chapter |
| 14 - | Park assist steering control unit -J791- |
| q | Fitting location → Chapter |
| q | Connector assignment from November 2011 → Chapter |
| q | Connector assignment from November 2014 → Chapter |
| 16 - | Battery monitoring control unit -J367- |
| q | Fitting location → Chapter |
| 17 - | Mechatronic unit for dual clutch gearbox -J743- |
| q | Fitting location → Chapter |
| 18 - | Radiator fan control unit -J293- |
| q | Fitting location → Chapter |
| 19 - | Power steering control unit -J500- |
| q | Fitting location → Chapter |
| q | Connector assignment → Chapter |
| 20 - | Engine control unit -J623- |
| q | Fitting location → Chapter |
| 21 - | ABS control unit -J104- |
| q | Fitting location → Chapter |
|
| 1 - | Auxiliary heater control unit -J364- |
| A - | 8-pin connector -T8f- |
| B - | 2-pin connector -T2g- |
|
| 1 - | Airbag control unit -J234- |
| A - | 100-pin connector -T100- |
Note
|
| 1 - | Control unit for cornering light and headlight range control -J745- |
| A - | 26-pin connector -T26h- |
Note
|
| 1 - | Voltage stabiliser -J532- |
| 2 - | 12-pin connector -T12ac- |
|
| 1 - | Fresh air blower control unit -J126- |
| A - | 2-pin connector -T2- |
| B - | 6-pin connector -T6t- |
Note
|
| 1 - | Front passenger door control unit -J387- |
| A - | 32-pin connector -T32b- |
| B - | 16-pin connector -T16g- |
| C - | 20-pin connector -T20b- |
|
| 1 - | Light sensor -G399- |
| - | Main beam assist control unit -J844- |
| - | Automatic anti-dazzle interior mirror -Y7- |
| A - | 8-pin connector -T8ak- |
Note
|
| 1 - | Data bus diagnostic interface -J533- |
| A - | 20-pin connector -T20- |
Note
|
| 1 - | Driver door control unit -J386- |
| A - | 32-pin connector -T32a- |
| B - | 16-pin connector -T16a- |
| C - | 20-pin connector -T20a- |
|
| Steering column electronics control unit -J527- |
| 1 - | Steering column electronics control unit -J527- |
| Fitting location: |
| q | at top of steering column |
| Connectors: |
| q | -A-16-pin connector -T16r- |
| q | -B-4-pin connector -T4k- |
| Connector assignment -T16r- |
| 1 - | Terminal -30a- |
| 2 - | Terminal -31- |
| 3 - | Connection 1 (convenience CAN bus, low), in main wiring harness -B406- |
| 4 - | Connection 1 (convenience CAN bus, high), in main wiring harness -B397- |
| 5 - | Engine control unit -J623- (CCS) |
| 6 - | Engine control unit -J623- , models with start/stop system, (terminal 50) |
| - | Onboard supply control unit -J519- , models with no start/stop system, (terminal 50) |
| 7 - | - |
| 8 - | - |
| 9 - | - |
| 10 - | - |
| 11 - | Selector lever locked in position P switch -F319- |
| 12 - | Connection 1 (powertrain CAN bus, low), in main wiring harness -B390- |
| 13 - | Connection 6 (powertrain CAN bus, high), in main wiring harness -B388- |
| 14 - | Terminal -15a- |
| 15 - | - |
| 16 - | - |
| Connector assignment -T4k- |
| 1 - | Airbag control unit -J234- + |
| 2 - | Airbag control unit -J234- - |
| 3 - | - |
| 4 - | - |
|
| Dash panel insert -K- / control unit in dash panel insert -J285- / immobiliser control unit -J362- |
| 1 - | Dash panel insert -K- |
| Connector assignment: |
| q | -A-32-pin connector -T32- |
| Connector assignment -T32- |
| 1 - | Fuel gauge sender -G- (full), fuel pump control unit -J538- |
| 2 - | Fuel gauge sender -G- (empty), fuel pump control unit -J538- |
| 3 - | - |
| 4 - | - |
| 5 - | - |
| 6 - | - |
| 7 - | Immobiliser reader coil -D2- |
| 8 - | Immobiliser reader coil -D2- |
| 9 - | Output for speed signal |
| 10 - | - |
| 11 - | Oil level and oil temperature sender -G266- |
| 12 - | - |
| 13 - | - |
| 14 - | - |
| 15 - | Front left brake pad wear sender -G34- |
| 16 - | Terminal 31 |
| 17 - | Windscreen washer fluid level sender -G33- |
| 18 - | Coolant shortage indicator sender -G32- |
| 19 - | Ambient temperature sensor -G17- |
| 20 - | Earth connection 1 (sender earth) in main wiring harness -410- |
| 21 - | - |
| 22 - | - |
| 23 - | - |
| 24 - | - |
| 25 - | Handbrake warning switch -F9- |
| 26 - | Brake fluid level warning contact -F34- |
| 27 - | Oil pressure switch -F1- |
| 28 - | Data bus diagnostic interface -J533- (CAN bus, high) |
| 29 - | Data bus diagnostic interface -J533- (CAN bus, low) |
| 30 - | - |
| 31 - | Terminal 15a |
| 32 - | Terminal 30a |
Note
|
| 52-pin connector -T52 B- black -A- |
| 1 - | Terminal 30a |
| 2 - | - |
| 3 - | Luggage compartment light -W3- (from November 2011) |
| 4 - | Left washer jet heater element -Z20- |
| - | Right washer jet heater element -Z21- |
| 5 - | Left headlight main beam bulb -M30- |
| - | Front left headlight -MX1- |
| - | Output module for left headlight -J667- (from November 2011) |
| 6 - | Front left headlight -MX1- |
| - | Control unit for left daytime running light and side light -J860- |
| - | Left daytime running light bulb -L174- |
| 7 - | - |
| 8 - | - |
| 9 - | Rear right turn signal bulb -M8- |
| 10 - | Front left turn signal bulb -M5- |
| 11 - | Front left headlight -MX1- |
| - | Left gas discharge bulb control unit -J343- |
| - | Left gas discharge (xenon) bulb -L13- |
| - | Left headlight dipped beam bulb -M29- |
| 12 - | - |
| 13 - | Rear lid handle release button -E234- |
| 14 - | Bonnet contact switch -F266- |
| 15 - | - |
| 16 - | Reversing light switch -F4- |
| 17 - | Rear fog light switch -E18- |
| 18 - | Light switch -E1- Daytime running light |
| 19 - | Light switch -E1- Side light terminal 58 |
| 20 - | Light switch -E1- Driving light assist |
| 21 - | Fog light switch -E7- |
| 22 - | Light switch -E1- Dipped beam terminal 56 |
| 23 - | Terminal 31 |
| 24 - | Terminal 30a |
| 25 - | Left fog light bulb -L22- |
| - | Left cornering light bulb -L148- |
| 26 - | Right brake and tail light bulb -M22- |
| 27 - | Left tail light bulb -M4- (left-hand drive models) |
| - | Right tail light bulb -M2- (right-hand drive models) |
| 28 - | Front right headlight -MX2- |
| - | Control unit for right daytime running light and side light -J861- |
| - | Right daytime running light bulb -L175- |
| - | Right LED module for daytime running light and side light -L177- |
| 29 - | Rear lid lock unit -F256- |
| 30 - | - |
| 31 - | - |
| 32 - | - |
| 33 - | - |
| 34 - | - |
| 35 - | Heater/heat output switch -E16- |
| 36 - | Interior monitoring deactivation switch -E267- |
| 37 - | - |
| 38 - | - |
| 39 - | - |
| 40 - | - |
| 41 - | - |
| 42 - | Terminal 31 |
| 43 - | Windscreen and rear window washer pump -V59- |
| 44 - | Right side light bulb -M3- |
| 45 - | High-level brake light bulb -M25- |
| 46 - | Tank filler flap locking motor -V155- |
| 47 - | - |
| 48 - | - |
| 49 - | - |
| 50 - | - |
| 51 - | - |
| 52 - | - |
|
| 52-pin connector -T52 B- white-B- |
| 1 - | Terminal 30a |
| 2 - | Windscreen and rear window washer pump -V59- |
| 3 - | - |
| 4 - | - |
| 5 - | Tank filler flap locking motor -V155- |
| 6 - | - |
| 7 - | - |
| 8 - | - |
| 9 - | - |
| 10 - | - |
| 11 - | Rear lid release motor -V139- |
| 12 - | Terminal 15 voltage supply relay -J329- |
| 13 - | - |
| 14 - | Heater/heat output switch -E16- |
| - | Heated rear window warning lamp -K10- |
| 15 - | Switch and instrument illumination regulator -E20- |
| 16 - | - |
| 17 - | - |
| 18 - | - |
| 19 - | - |
| 20 - | - |
| 21 - | Heated front seats control unit -J774- |
| 22 - | Heated rear window relay -J9- |
| 23 - | - |
| 24 - | Indicator lamp for hazard warning light -K6- |
| 25 - | - |
| 26 - | - |
| 27 - | - |
| 28 - | X-contact relief relay -J59- |
| 29 - | Engine control unit -J623- (vehicles with no start/stop system) |
| - | Terminal 50 voltage supply relay -J682- (vehicles with no start/stop system) |
| 30 - | Switch and instrument illumination regulator -E20- |
| 31 - | - |
| 32 - | - |
| 33 - | Wiper motor control unit -J400- |
| - | Rain and light sensor -G397- LIN bus |
| 34 - | - |
| 35 - | - |
| 36 - | Interior monitoring sensor -G273- (LIN) |
| - | Vehicle inclination sender -G384- (LIN) |
| - | Anti-theft alarm sensor -G578- (LIN) |
| - | Alarm horn -H12- |
| 37 - | Interior monitoring off warning lamp -K162- |
| 38 - | Fuel pump control unit -J538- |
| - | Fuel supply relay -J643- |
| 39 - | - |
| 40 - | Headlight washer system relay -J39- |
| 41 - | Dual tone horn relay -J4- |
| 42 - | Terminal 30a |
| 43 - | Positive connection 1 (30g), in main wiring harness -B559- |
| 44 - | - |
| 45 - | - |
| 46 - | - |
| 47 - | - |
| 48 - | - |
| 49 - | - |
| 50 - | Left footwell light -W9- |
| - | Right footwell light -W10- |
| 51 - | Terminal 58d |
| 52 - | Terminal 31 |
| Back to overview → Chapter |
| 52-pin connector -T52 C- brown -C- |
| 1 - | - |
| 2 - | - |
| 3 - | Right tail light bulb -M2- |
| 4 - | Left brake and tail light bulb -M21- |
| 5 - | Terminal 31 |
| 6 - | - |
| 7 - | Hazard warning lights button -E229- |
| 8 - | - |
| 9 - | - |
| 10 - | Front interior light -W1- Terminal TK |
| 11 - | - |
| 12 - | - |
| 13 - | Terminal 15a |
| 14 - | Terminal 15a |
| 15 - | Connection 1 (convenience CAN bus, high), in main wiring harness -B397- |
| - | Data bus diagnostic interface -J533- |
| 16 - | Connection 1 (convenience CAN bus, low), in main wiring harness -B407- |
| - | Data bus diagnostic interface -J533- |
| 17 - | Brake light switch -F- |
| 18 - | - |
| 19 - | - |
| 20 - | - |
| 21 - | - |
| 22 - | - |
| 23 - | - |
| 24 - | - |
| 25 - | Right fog light bulb -L23- |
| - | Right cornering light bulb -L149- |
| 26 - | Front left headlight -MX1- |
| - | Left side light bulb -M1- |
| - | Control unit for left daytime running light and side light -J860- |
| - | Left LED module for daytime running light and side light -L176- |
| 27 - | Left number plate light -X4- |
| - | Right number plate light -X5- |
| 28 - | Connection (RL), in dash panel wiring harness -A87- |
| - | Right reversing light bulb -E234- |
| - | Left reversing light bulb -M16- |
| - | Right reversing light bulb -M17- |
| - | Reversing camera -R189- |
| 29 - | - |
| 30 - | Clutch position sender -G476- |
| - | Mechatronic unit for dual clutch gearbox -J743- |
| - | Terminal 31 (models with start/stop system) |
| 31 - | Terminal 15a |
| 32 - | Connection (61), in interior wiring harness -B177- |
| - | Alternator -C- |
| - | Heater/heat output switch -E16- (models with start/stop system) |
| 33 - | - |
| 34 - | Voltage stabiliser -J532- (models with start/stop system) |
| - | Starter relay 2 -J907- (models with start/stop system) |
| - | Engine control unit -J623- (models with start/stop system) |
| 35 - | Switch and instrument illumination regulator -E20- |
| 36 - | - |
| 37 - | - |
| 38 - | - |
| 39 - | - |
| 40 - | - |
| 41 - | - |
| 42 - | Terminal 15a |
| 43 - | - |
| 44 - | - |
| 45 - | - |
| 46 - | Front right headlight -MX2- |
| - | Output module for right headlight -J668- (from November 2011) |
| - | Right headlight main beam bulb -M32- |
| 47 - | Rear left fog light bulb -L46- |
| - | Rear right fog light bulb -L47- |
| 48 - | Front left headlight -MX1- |
| - | Output module for left headlight -J667- (up to October 2011) |
| 49 - | Front right headlight -MX2- (up to October 2011) |
| - | Output module for right headlight -J668- (up to October 2011) |
| 50 - | Front right headlight -MX2- |
| - | Front right turn signal bulb -M7- |
| 51 - | Rear left turn signal bulb -M6- |
| 52 - | Right gas discharge bulb control unit -J344- |
| - | Right gas discharge (xenon) bulb -L14- |
| - | Right headlight dipped beam bulb -M31- |
|
|
| Connector assignment, from November 2011 |
| A - | Parking aid control unit -J446- |
| Connector assignment: |
| B - | 16-pin connector -T16m- |
| Connector assignment: |
| 1 - | Positive connection 8 (15a) in dash panel wiring harness -A217- |
| 2 - | Rear parking aid warning buzzer -H15- |
| 3 - | - |
| 4 - | Parking aid button -E266- |
| 5 - | - |
| 6 - | Data bus diagnostic interface -J533-Connection 1 (powertrain CAN bus, high), in main wiring harness -B383- |
| 7 - | - |
| 8 - | Terminal 31 |
| 9 - | - |
| 10 - | Rear parking aid warning buzzer -H15- |
| 11 - | - |
| 12 - | - |
| 13 - | Parking aid warning lamp -K136- |
| 14 - | - |
| 15 - | Data bus diagnostic interface -J533- |
| - | Connection 1 (powertrain CAN bus, low), in main wiring harness -B390- |
| 16 - | - |
| C - | 12-pin connector -T12v- |
| Connector assignment: |
| 1 - | Voltage supply sender negative |
| 2 - | Voltage supply sender positive |
| 3 - | Front parking aid warning buzzer -H22- |
| 4 - | Front parking aid warning buzzer -H22- |
| 5 - | Front left parking aid sender -G255- |
| 6 - | Front centre left parking aid sender -G254- |
| 7 - | Front centre right parking aid sender -G253- |
| 8 - | Front right parking aid sender -G252- |
| 9 - | - |
| 10 - | - |
| 11 - | - |
| 12 - | - |
| D - | 12-pin connector -T12n- |
| Connector assignment: |
| 1 - | - |
| 2 - | Rear centre right parking aid sender -G205- |
| 3 - | Rear centre left parking aid sender -G204- |
| 4 - | Rear right parking aid sender -G206- |
| 5 - | Rear left parking aid sender -G203- |
| 6 - | - |
| 7 - | - |
| 8 - | Voltage supply sender negative |
| 9 - | - |
| 10 - | - |
| 11 - | Voltage supply sender positive |
| 12 - | - |
|
| Connector assignment, from November 2014 |
| 1 - | Parking aid control unit -J446- |
| Connector assignment: |
| A - | 18-pin connector -T18i- , black |
| B - | 26-pin connector -T26k- , black |
|
| -T18i- (A) | Designation | -T26k- (B) | Designation | |
| 1 | 1 | |||
| 2 | 2 | Front parking aid warning buzzer -H22- (+) | ||
| 3 | Front centre left parking aid sender -G254- , signal | 3 | Park assist steering button -E581- | |
| 4 | Front right parking aid sender -G252- , signal | 4 | Warning light for park assist steering -K241- | |
| 5 | 5 | |||
| 6 | 6 | Rear left parking aid sender -G203- , signal | ||
| 7 | 7 | Rear centre right parking aid sender -G205- , signal | ||
| 8 | 8 | Rear right park assist steering sender -G717- , signal | ||
| 9 | 9 | Rear parking aid warning buzzer -H15- (-) | ||
| 10 | Front right parking aid sender -G252- (GND) Front centre right parking aid sender -G253- (GND) Front centre left parking aid sender -G254- (GND) Front left parking aid sender -G255- (GND) | 10 | Front parking aid warning buzzer -H22- (-) | |
| 11 | Front left parking aid sender -G255- , signal | 11 | ||
| 12 | Front centre right parking aid sender -G253- , signal | 12 | ||
| 13 | 13 | Terminal 31 | ||
| 14 | Front right parking aid sender -G252- (U+) Front centre right parking aid sender -G253- (U+) Front centre left parking aid sender -G254- (U+) Front left parking aid sender -G255- (U+) | 14 | Terminal 15 | |
| 15 | 15 | Rear parking aid warning buzzer -H15- (+) | ||
| 16 | 16 | Parking aid button -E266- | ||
| 17 | 17 | Parking aid warning lamp -K136- | ||
| 18 | 18 | Rear left parking aid sender -G203- (U+) Rear centre left parking aid sender -G204- (U+) Rear centre right parking aid sender -G205- (U+) Rear right parking aid sender -G206- (U+) | ||
| 19 | ||||
| 20 | Rear centre left parking aid sender -G204- , signal | |||
| 21 | Rear right parking aid sender -G206- , signal | |||
| 22 | Rear left parking aid sender -G203- (GND) Rear centre left parking aid sender -G204- (GND) Rear centre right parking aid sender -G205- (GND) Rear right parking aid sender -G206- (GND) | |||
| 23 | B390 Connection 1 (powertrain CAN bus, low), in main wiring harness | |||
| 24 | B383 Connection 1 (powertrain CAN bus, high), in main wiring harness | |||
| 25 | ||||
| 26 |
|
|
| Connector assignment, from November 2011 |
| A - | Park assist steering control unit -J791- |
| Connector assignment: |
| B - | 16-pin connector -T16m- |
| Connector assignment: |
| 1 - | Positive connection 8 (15a) in dash panel wiring harness -A217- |
| 2 - | Rear parking aid warning buzzer -H15- |
| 3 - | - |
| 4 - | Parking aid button -E266- |
| 5 - | - |
| 6 - | Data bus diagnostic interface -J533-Connection 1 (powertrain CAN bus, high), in main wiring harness -B383- |
| 7 - | - |
| 8 - | Terminal 31 |
| 9 - | Warning light for park assist steering -K241- |
| 10 - | Rear parking aid warning buzzer -H15- |
| 11 - | - |
| 12 - | - |
| 13 - | Parking aid warning lamp -K136- |
| 14 - | - |
| 15 - | Data bus diagnostic interface -J533- |
| - | Connection 1 (powertrain CAN bus, low), in main wiring harness -B390- |
| 16 - | Park assist steering button -E581- |
| C - | 12-pin connector -T12v- |
| Connector assignment: |
| 1 - | Voltage supply sender negative |
| 2 - | Voltage supply sender positive |
| 3 - | Front parking aid warning buzzer -H22- |
| 4 - | Front parking aid warning buzzer -H22- |
| 5 - | Front left parking aid sender -G255- |
| 6 - | Front centre left parking aid sender -G254- |
| 7 - | Front centre right parking aid sender -G253- |
| 8 - | Front right parking aid sender -G252- |
| 9 - | Front left sender for park assist steering on left side of vehicle -G568- |
| 10 - | Front right sender for park assist steering on right side of vehicle -G569- |
| 11 - | - |
| 12 - | - |
| D - | 12-pin connector -T12n- |
| Connector assignment: |
| 1 - | - |
| 2 - | Rear centre right parking aid sender -G205- |
| 3 - | Rear centre left parking aid sender -G204- |
| 4 - | Rear right parking aid sender -G206- |
| 5 - | Rear left parking aid sender -G203- |
| 6 - | Rear right park assist steering sender -G717- |
| 7 - | - |
| 8 - | Voltage supply sender negative |
| 9 - | - |
| 10 - | Rear left park assist steering sender -G716- |
| 11 - | Voltage supply sender positive |
| 12 - | - |
|
| Connector assignment, from November 2014 |
| 1 - | Park assist steering control unit -J791- |
| Connector assignment: |
| A - | 18-pin connector -T18i- , black |
| B - | 26-pin connector -T26k- , black |
|
| -T18i- (A) | Designation | -T26k- (B) | Designation | |
| 1 | 1 | |||
| 2 | Front left sender for park assist steering on left side of vehicle -G568- , signal | 2 | Front parking aid warning buzzer -H22- (+) | |
| 3 | Front centre left parking aid sender -G254- , signal | 3 | Park assist steering button -E581- | |
| 4 | Front right parking aid sender -G252- , signal | 4 | Warning light for park assist steering -K241- | |
| 5 | 5 | |||
| 6 | 6 | Rear left parking aid sender -G203- , signal | ||
| 7 | 7 | Rear centre right parking aid sender -G205- , signal | ||
| 8 | 8 | Rear right park assist steering sender -G717- , signal | ||
| 9 | 9 | Rear parking aid warning buzzer -H15- (-) | ||
| 10 | Front right parking aid sender -G252- (GND) Front centre right parking aid sender -G253- (GND) Front centre left parking aid sender -G254- (GND) Front left parking aid sender -G255- (GND) Front left sender for park assist steering on left side of vehicle -G568- (GND) Front right sender for park assist steering on right side of vehicle -G569- (GND) | 10 | Front parking aid warning buzzer -H22- (-) | |
| 11 | Front left parking aid sender -G255- , signal | 11 | ||
| 12 | Front centre right parking aid sender -G253- , signal | 12 | ||
| 13 | Front right sender for park assist steering on right side of vehicle -G569- , signal | 13 | Terminal 31 | |
| 14 | Front right parking aid sender -G252- (U+) Front centre right parking aid sender -G253- (U+) Front centre left parking aid sender -G254- (U+) Front left parking aid sender -G255- (U+) Front left sender for park assist steering on left side of vehicle -G568- (U+) Front right sender for park assist steering on right side of vehicle -G569- (U+) | 14 | Terminal 15 | |
| 15 | 15 | Rear parking aid warning buzzer -H15- (+) | ||
| 16 | 16 | Parking aid button -E266- | ||
| 17 | 17 | Parking aid warning lamp -K136- | ||
| 18 | 18 | Rear left parking aid sender -G203- (U+) Rear centre left parking aid sender -G204- (U+) Rear centre right parking aid sender -G205- (U+) Rear right parking aid sender -G206- (U+) Rear left park assist steering sender -G716- (U+) Rear right park assist steering sender -G717- (U+) | ||
| 19 | Rear left park assist steering sender -G716- , signal | |||
| 20 | Rear centre left parking aid sender -G204- , signal | |||
| 21 | Rear right parking aid sender -G206- , signal | |||
| 22 | Rear left parking aid sender -G203- (GND) Rear centre left parking aid sender -G204- (GND) Rear centre right parking aid sender -G205- (GND) Rear right parking aid sender -G206- (GND) Rear left park assist steering sender -G716- (GND) Rear right park assist steering sender -G717- (GND) | |||
| 23 | B390 Connection 1 (powertrain CAN bus, low), in main wiring harness | |||
| 24 | B383 Connection 1 (powertrain CAN bus, high), in main wiring harness | |||
| 25 | ||||
| 26 |
Note
|
| 1 - | Battery monitoring control unit -J367- |
| A - | 2-pin connector -T2bn- |
Note
|
| 1 - | Mechatronic unit for dual clutch gearbox -J743- |
| A - | 20-pin connector -T20e- |
| - | 25-pin connector -T25- , model with dual clutch gearbox 0AM |
|
| Radiator fan control unit -J293- |
| 1 - | Radiator fan control unit -J293- |
| Connector: |
| q | -A-4-pin connector -T4x- on wiring harness |
| q | -B-4-pin connector -T4x- on radiator fan |
|
|
| Connector assignment: |
| A - | Power steering control unit -J500- |
| Connectors: |
| B - | 2-pin connector -T2a- on wiring harness |
| C - | 3-pin connector -T3bq- on wiring harness |
| D - | 5-pin connector -T5g- on wiring harness |
|
| - | Engine control unit -J623--Arrow- |
| A - | 94-pin connector -T94- |
| B - | 60-pin connector -T60- |
Note
|
| 1 - | ABS control unit -J104- |
| A - | 47-pin connector -T47c- |
|
