Wiring Diagram VW GOLF CABRIOLET 2017 - Earth strap - battery - body - Earth point - on gearbox - Earth connection 2 - in engine compartment wiring harness - Earth point - on left in plenum chamber - Earth point - engine and gearbox earth
| A | Battery |
| G70 | Air mass meter |
| J367 | Battery monitor control unit |
| J500 | Power steering control unit, on front axle carrier |
| J623 | Engine control unit |
| T2a | 2-pin connector |
| T2ci | 2-pin connector, on left in engine compartment |
| T4by | 4-pin connector, on left in engine compartment |
| T5d | 5-pin connector |
| V50 | Coolant circulation pump |
| V51 | Continued coolant circulation pump |
| V187 | Electromechanical power steering motor |
| 1 | Earth strap, battery - body |
| 14 | Earth point, on gearbox |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 607 | Earth point, on left in plenum chamber |
| 652 | Earth point, engine and gearbox earth |
| * | see applicable current flow diagram for engine |
| *2 | Only models with start/stop system |
| *3 | Only models with no start/stop system |
| *4 | Only models with diesel engine |
| *5 | From November 2012 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 22 - in main wiring harness
| G65 | High-pressure sender |
| G238 | Air quality sensor |
| J446 | Parking aid control unit |
| J533 | Data bus diagnostic interface |
| J745 | Control unit for cornering light and headlight range control |
| J791 | Park assist steering control unit |
| T3as | 3-pin connector |
| T3c | 3-pin connector |
| T16m | 16-pin connector |
| T20c | 20-pin connector |
| T26h | 26-pin connector |
| T26k | 26-pin connector, black |
| W6 | Glove compartment light |
| W10 | Right footwell light |
| 387 | Earth connection 22, in main wiring harness |
| * | Only right-hand drive models |
| *2 | Up to October 2014 |
| *3 | Only left-hand drive models |
| *4 | From November 2014 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth point - lower part of right A-pillar - Earth connection 1 - in main wiring harness - Earth connection 22 - in main wiring harness - Earth connection 26 - in main wiring harness
| G476 | Clutch position sender |
| J13 | Fresh air blower relay |
| J485 | Auxiliary heater operation relay |
| J519 | Onboard supply control unit |
| T5m | 5-pin connector |
| T16 | 16-pin connector |
| T52a | 52-pin connector |
| U31 | Diagnostic connection |
| Z20 | Left washer jet heater element |
| Z21 | Right washer jet heater element |
| 43 | Earth point, lower part of right A-pillar |
| 366 | Earth connection 1, in main wiring harness |
| 387 | Earth connection 22, in main wiring harness |
| 391 | Earth connection 26, in main wiring harness |
| * | Only models with no start/stop system |
| *2 | Only models with start/stop system |
| *3 | Up to April 2013 |
| *4 | Only left-hand drive models |
| *5 | Only right-hand drive models |
| *6 | From May 2013 |
| *7 | From November 2012 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 1 - in main wiring harness - Earth connection 23 - in main wiring harness - Earth connection 29 - in main wiring harness
| E1 | Light switch |
| E229 | Hazard warning lights button |
| E266 | Parking aid button |
| E581 | Park assist steering button |
| E693 | Start/Stop operation button |
| J519 | Onboard supply control unit |
| J532 | Voltage stabiliser |
| K6 | Indicator lamp for hazard warning light |
| K136 | Parking aid warning lamp |
| K241 | Warning light for park assist steering |
| L76 | Button illumination bulb |
| T6 | 6-pin connector |
| T6au | 6-pin connector |
| T6av | 6-pin connector |
| T6ax | 6-pin connector |
| T10h | 10-pin connector |
| T12ac | 12-pin connector |
| T52b | 52-pin connector |
| T52c | 52-pin connector |
| 366 | Earth connection 1, in main wiring harness |
| 388 | Earth connection 23, in main wiring harness |
| 394 | Earth connection 29, in main wiring harness |
| * | Only right-hand drive models |
| *2 | Up to April 2013 |
| *3 | Only left-hand drive models |
| *4 | Only models with start/stop system |
| *5 | From May 2013 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 23 - in main wiring harness
| E16 | Heater/heat output switch |
| E20 | Switch and instrument illumination regulator |
| E102 | Headlight range control regulator |
| E137 | Convertible roof actuation button |
| E313 | Selector lever |
| E492 | Tyre Pressure Loss Indicator button |
| F9 | Handbrake warning switch |
| F319 | Selector lever locked in position P switch |
| J255 | Climatronic control unit |
| J301 | Air conditioning system control unit |
| L76 | Button illumination bulb |
| L105 | Illumination regulator illumination bulb |
| T6ak | 6-pin connector |
| T8e | 8-pin connector |
| T10s | 10-pin connector, under selector lever |
| T12ad | 12-pin connector |
| T20c | 20-pin connector |
| 388 | Earth connection 23, in main wiring harness |
| * | Only right-hand drive models |
| *2 | Only left-hand drive models |
| *3 | Up to April 2013 |
| *4 | From May 2013 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 2 - in main wiring harness - Earth connection 23 - in main wiring harness - Earth connection 24 - in main wiring harness - Earth point - on top end of steering column
| E256 | Button for TCS and electronic stabilisation program |
| E387 | Shock absorber damping adjustment button |
| G273 | Interior monitoring sensor |
| G384 | Vehicle inclination sender |
| G578 | Anti-theft alarm sensor |
| J59 | X-contact relief relay |
| J285 | Control unit in dash panel insert |
| J329 | Terminal 15 voltage supply relay |
| J527 | Steering column electronics control unit |
| L76 | Button illumination bulb |
| T4ap | 4-pin connector |
| T6ad | 6-pin connector |
| T6aw | 6-pin connector |
| T16r | 16-pin connector |
| T32 | 32-pin connector |
| 367 | Earth connection 2, in main wiring harness |
| 388 | Earth connection 23, in main wiring harness |
| 389 | Earth connection 24, in main wiring harness |
| 605 | Earth point, on top end of steering column |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
| *3 | Up to April 2013 |
| *4 | From May 2013 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 15 - in main wiring harness - Earth connection 24 - in main wiring harness
| F | Brake light switch |
| F147 | Driver vanity mirror contact switch |
| F148 | Front passenger vanity mirror contact switch |
| G34 | Front left brake pad wear sender |
| G397 | Rain and light sensor |
| J682 | Terminal 50 voltage supply relay |
| J869 | Control unit for structure-borne sound |
| T3ae | 3-pin connector |
| T4bc | 4-pin connector |
| T6b | 6-pin connector |
| T8ak | 8-pin connector |
| T12ab | 12-pin connector |
| W1 | Front interior light |
| W9 | Left footwell light |
| W14 | Front passenger side illuminated vanity mirror |
| W20 | Driver side illuminated vanity mirror |
| Y7 | Automatic anti-dazzle interior mirror |
| 380 | Earth connection 15, in main wiring harness |
| 389 | Earth connection 24, in main wiring harness |
| B380 | Connection 2 (brake pad wear indicator), in main wiring harness |
| * | Only left-hand drive models |
| *2 | Up to April 2013 |
| *3 | Up to October 2014 |
| *4 | Only models with start/stop system |
| *5 | From May 2013 |
| *6 | Only right-hand drive models |
| *7 | From November 2014 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 5 - in engine compartment wiring harness - Earth connection 11 - in main wiring harness - Earth connection 16 - in main wiring harness - Earth point - on left headlight
| F34 | Brake fluid level warning contact |
| H2 | Treble horn |
| H7 | Bass horn |
| J400 | Wiper motor control unit |
| J743 | Mechatronic unit for dual clutch gearbox |
| L174 | Left daytime running light bulb |
| M1 | Left side light bulb |
| MX1 | Front left headlight |
| M5 | Front left turn signal bulb |
| M29 | Left headlight dipped beam bulb |
| M30 | Left headlight main beam bulb |
| T4q | 4-pin connector |
| T10i | 10-pin connector |
| T14e | 14-pin connector |
| T20e | 20-pin connector |
| T25 | 25-pin connector |
| V48 | Left headlight range control motor |
| V216 | Driver side windscreen wiper motor |
| 201 | Earth connection 5, in engine compartment wiring harness |
| 376 | Earth connection 11, in main wiring harness |
| 381 | Earth connection 16, in main wiring harness |
| 655 | Earth point, on left headlight |
| * | Only models with dual clutch gearbox 02E |
| *2 | Only models with dual clutch gearbox 0AM |
| *3 | Up to April 2013 |
| *4 | Only models with basic equipment |
| *5 | Only left-hand drive models |
| *6 | Only models with gas discharge headlights |
| *7 | Only models with no gas discharge headlights |
| *8 | According to equipment |
| *9 | Only right-hand drive models |
| *10 | From May 2013 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 13 - in main wiring harness - Earth connection 16 - in main wiring harness - Earth connection 27 - in main wiring harness - Earth point - on right headlight
| F266 | Bonnet contact switch |
| G266 | Oil level and oil temperature sender |
| J179 | Automatic glow period control unit |
| J860 | Control unit for left daytime running light and side light |
| L22 | Left fog light bulb |
| L148 | Left cornering light bulb |
| L176 | Left LED module for daytime running light and side light |
| N280 | Air conditioner compressor regulating valve |
| T2bc | 2-pin connector |
| T2n | 2-pin connector, near right headlight, near left headlight |
| T4t | 4-pin connector, front left in engine compartment, black |
| T6z | 6-pin connector, near left headlight |
| T10am | 10-pin connector, near left headlight, black |
| T11b | 11-pin connector |
| V11 | Headlight washer system pump |
| V50 | Coolant circulation pump |
| V277 | Fuel pump 2 |
| 378 | Earth connection 13, in main wiring harness |
| 381 | Earth connection 16, in main wiring harness |
| 392 | Earth connection 27, in main wiring harness |
| 656 | Earth point, on right headlight |
| * | Up to April 2013 |
| *2 | According to equipment |
| *3 | Only models with diesel engine |
| *4 | From May 2015 |
| *5 | Only models with 2.0l engine |
| *6 | Only models with basic equipment |
| *7 | Up to October 2012 |
| *8 | From May 2013 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 13 - in main wiring harness - Earth connection 28 - in main wiring harness
| H12 | Alarm horn |
| J364 | Auxiliary heater control unit |
| J861 | Control unit for right daytime running light and side light |
| L23 | Right fog light bulb |
| L149 | Right cornering light bulb |
| L175 | Right daytime running light bulb |
| L177 | Right LED module for daytime running light and side light |
| MX2 | Front right headlight |
| M3 | Right side light bulb |
| M7 | Front right turn signal bulb |
| M31 | Right headlight dipped beam bulb |
| M32 | Right headlight main beam bulb |
| T2bd | 2-pin connector |
| T2g | 2-pin connector |
| T3f | 3-pin connector |
| T10j | 10-pin connector |
| T14f | 14-pin connector |
| V49 | Right headlight range control motor |
| 378 | Earth connection 13, in main wiring harness |
| 393 | Earth connection 28, in main wiring harness |
| * | Up to April 2013 |
| *2 | According to equipment |
| *3 | Only right-hand drive models |
| *4 | Only models with no gas discharge headlights |
| *5 | Only models with gas discharge headlights |
| *6 | From May 2013 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 1 - in rear wiring harness - Earth connection 2 - in rear wiring harness - Earth connection 3 - in rear wiring harness - Earth connection 18 - in main wiring harness - Earth connection 21 - in main wiring harness - Earth point 2 - in rear right side panel
| E234 | Rear lid handle release button |
| G6 | Fuel system pressurisation pump |
| J345 | Trailer detector control unit |
| J538 | Fuel pump control unit |
| L46 | Rear left fog light bulb |
| M4 | Left tail light bulb |
| M16 | Left reversing light bulb |
| M25 | High-level brake light bulb |
| T3aw | 3-pin connector |
| T4bs | 4-pin connector |
| T5b | 5-pin connector |
| T10n | 10-pin connector |
| T12h | 12-pin connector |
| T13 | 13-pin connector |
| U10 | Trailer socket |
| 86 | Earth connection 1, in rear wiring harness |
| 87 | Earth connection 2, in rear wiring harness |
| 196 | Earth connection 3, in rear wiring harness |
| 383 | Earth connection 18, in main wiring harness |
| 386 | Earth connection 21, in main wiring harness |
| 682 | Earth point 2, in rear right side panel |
| * | Only models with no reversing camera system |
| *2 | Only models with reversing camera system |
| *3 | Only models with petrol engine |
| *4 | Only models with diesel engine |
Wiring Diagram VW GOLF CABRIOLET 2017 - Blind spot monitor control unit - Blind Spot Monitor control unit 2 - Earth connection 1 - in rear wiring harness - Earth connection 2 - in rear wiring harness - Earth connection - in bumper wiring harness
| F5 | Luggage compartment light switch |
| J250 | Electronically controlled damping control unit, in rear right side panel |
| J1086 | Blind spot monitor control unit |
| J1087 | Blind Spot Monitor control unit 2 |
| L47 | Rear right fog light bulb |
| M2 | Right tail light bulb |
| M8 | Rear right turn signal bulb |
| M17 | Right reversing light bulb |
| M22 | Right brake and tail light bulb |
| R149 | Remote control receiver for auxiliary coolant heater |
| T2aj | 2-pin connector, in rear right side panel |
| T3av | 3-pin connector |
| T3ax | 3-pin connector |
| T4ab | 4-pin connector |
| T6j | 6-pin connector |
| T8ao | 8-pin connector, black |
| T8ap | 8-pin connector, black |
| T10am | 10-pin connector, in rear right side panel, red |
| T10kn | 10-pin connector, in rear right side panel |
| T47d | 47-pin connector |
| U5 | 12 V socket, on right in luggage compartment |
| V54 | Metering pump |
| V139 | Rear lid release motor |
| X4 | Left number plate light |
| X5 | Right number plate light |
| 86 | Earth connection 1, in rear wiring harness |
| 87 | Earth connection 2, in rear wiring harness |
| 345 | Earth connection, in bumper wiring harness |
| * | Only models with lane change assist |
| *2 | Only models with park assist steering |
| *3 | Only models with parking aid (PDC) |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 1 - in seat heating wiring harness - Earth point - in front left footwell
| G59 | Driver seat temperature sensor |
| J126 | Fresh air blower control unit |
| J774 | Heated front seats control unit, under driver seat |
| T2d | 2-pin connector, under driver seat |
| T4l | 4-pin connector, under driver seat |
| T6t | 6-pin connector, brown |
| T8z | 8-pin connector |
| T10a | 10-pin connector, under driver seat |
| T10k | 10-pin connector, black |
| V2 | Fresh air blower |
| Z6 | Heated seat cushion for driver seat |
| Z7 | Heated backrest for driver seat |
| Z35 | Auxiliary air heater element |
| 96 | Earth connection 1, in seat heating wiring harness |
| 602 | Earth point, in front left footwell |
| * | Only models with Climatronic |
| *2 | Only models with no Climatronic |
Wiring Diagram VW GOLF CABRIOLET 2017 - Rear left door control unit - Rear left window regulator motor - Earth connection 2 - in seat heating wiring harness - Earth connection 25 - in main wiring harness - Earth connection 15 - in interior wiring harness
| G60 | Front passenger seat temperature sensor |
| J29 | Blocking diode |
| J387 | Front passenger door control unit |
| J388 | Rear left door control unit |
| J389 | Rear right door control unit |
| L28 | Cigarette lighter illumination bulb |
| T2e | 2-pin connector, under front passenger seat |
| T4m | 4-pin connector, under front passenger seat |
| T10b | 10-pin connector, under front passenger seat |
| T18d | 18-pin connector |
| T20b | 20-pin connector |
| T28 | 28-pin connector, in left A-pillar coupling station |
| T28a | 28-pin connector, in right A-pillar coupling station |
| U1 | Cigarette lighter |
| U18 | 12 V socket 2, in rear centre console |
| V26 | Rear left window regulator motor |
| V27 | Rear right window regulator motor |
| V148 | Front passenger side window regulator motor |
| Z8 | Heated seat cushion for front passenger seat |
| Z9 | Heated backrest for front passenger seat |
| 136 | Earth connection 2, in seat heating wiring harness |
| 390 | Earth connection 25, in main wiring harness |
| 459 | Earth connection 15, in interior wiring harness |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
Wiring Diagram VW GOLF CABRIOLET 2017 - Control unit 1 for information electronics - Earth connection 2 - in radio wiring harness - Earth connection 5 - in main wiring harness - Earth connection 6 - in main wiring harness - Earth point (audio) - front below centre console
| J503 | Control unit with display for radio and navigation |
| J650 | Multimedia system control unit |
| J794 | Control unit 1 for information electronics |
| R | Radio |
| R12 | Amplifier |
| R41 | CD changer |
| R189 | Reversing camera |
| T4bt | 4-pin connector, in rear lid |
| T8as | 8-pin connector, black |
| T12d | 12-pin connector |
| T12t | 12-pin connector |
| T16b | 16-pin connector |
| T23 | 23-pin connector |
| 256 | Earth connection 2, in radio wiring harness |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| 610 | Earth point (audio), front below centre console |
| * | Up to May 2015 |
| *2 | Only models with radio MIB-G Entry |
| *3 | According to equipment |
| *4 | Only models with CD changer |
| *5 | Only models with connection for external audio sources with no electrical interface |
| *6 | Only models with connection for external multi-media devices with electrical interface |
| *7 | Up to October 2012 |
| *8 | From November 2012 |
| *9 | From May 2015 |
Wiring Diagram VW GOLF CABRIOLET 2017 - Emergency call module control unit and communication unit - Earth connection 2 - in interior wiring harness - Earth point - rear left side panel
| E276 | Emergency assistance call button |
| J256 | Convertible roof actuation control unit |
| J412 | Mobile telephone operating electronics control unit |
| J949 | Emergency call module control unit and communication unit |
| L76 | Button illumination bulb |
| R126 | Telephone bracket |
| T6at | 6-pin connector |
| T10aj | 10-pin connector |
| T10ak | 10-pin connector, on left in luggage compartment |
| T10f | 10-pin connector, behind glove compartment |
| T16t | 16-pin connector |
| T26i | 26-pin connector |
| T54 | 54-pin connector |
| Z1 | Heated rear window |
| 249 | Earth connection 2, in interior wiring harness |
| 662 | Earth point, rear left side panel |
| * | According to equipment |
| *2 | From May 2014 |
| *3 | Only models with equipment for China |
| *4 | Only models with charger unit for telephone |
| *5 | Only models with button module |
Wiring Diagram VW GOLF CABRIOLET 2017 - Rear right door control unit - Rear right window regulator motor - Earth point - lower part of left A-pillar - Earth point - in front right footwell - Earth point - on left in luggage compartment - Earth connection 4 - in main wiring harness
| J104 | ABS control unit |
| J386 | Driver door control unit |
| J388 | Rear left door control unit |
| J389 | Rear right door control unit |
| M6 | Rear left turn signal bulb |
| M21 | Left brake and tail light bulb |
| T3au | 3-pin connector |
| T18c | 18-pin connector |
| T20a | 20-pin connector |
| T28 | 28-pin connector, in left A-pillar coupling station |
| T28a | 28-pin connector, in right A-pillar coupling station |
| T47c | 47-pin connector |
| V26 | Rear left window regulator motor |
| V27 | Rear right window regulator motor |
| V147 | Driver side window regulator motor |
| W3 | Luggage compartment light |
| 44 | Earth point, lower part of left A-pillar |
| 47 | Earth point, in front right footwell |
| 50 | Earth point, on left in luggage compartment |
| 369 | Earth connection 4, in main wiring harness |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
Wiring Diagram VW GOLF CABRIOLET 2017 - Earth connection 1 - in engine compartment wiring harness - Earth connection 14 - in main wiring harness - Earth point for electronically controlled fan
| F1 | Oil pressure switch |
| J293 | Radiator fan control unit |
| N70 | Ignition coil 1 with output stage |
| N79 | Heater element for crankcase breather |
| N127 | Ignition coil 2 with output stage |
| N152 | Ignition transformer |
| N291 | Ignition coil 3 with output stage |
| N292 | Ignition coil 4 with output stage |
| T2v | 2-pin connector |
| T4aa | 4-pin connector |
| T4x | 4-pin connector |
| T14a | 14-pin connector, near battery |
| V7 | Radiator fan |
| V50 | Coolant circulation pump |
| V177 | Radiator fan 2 |
| V178 | Coolant circulation pump 2 |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 379 | Earth connection 14, in main wiring harness |
| 642 | Earth point for electronically controlled fan |
| * | Only models with increased fan output |
| *2 | see applicable current flow diagram for engine |
| *3 | Only models with no crankcase breather heater element |
| *4 | Only models with crankcase breather heater element |
| *5 | According to equipment |
| *6 | Up to October 2012 |
VW GOLF CABRIOLET 2017 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- |
|
