VW GOLF CABRIOLET 2017 – 1.4l petrol engine, CAXA . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF CABRIOLET 2017 - Battery - Starter - Alternator - Onboard supply control unit - Fuse 1 in fuse holder A - Fuse 5 in fuse holder A - Fuse 27 on fuse holder C

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J519	Onboard supply control unit
SA1	Fuse 1 in fuse holder A
SA5	Fuse 5 in fuse holder A
SC27	Fuse 27 on fuse holder C
T2	2-pin connector
T2c	2-pin connector, near starter
T4t	4-pin connector, near starter
T52c	52-pin connector
508	Threaded connection (30) on E-box
B169	Positive connection 1 (30), in interior wiring harness
B177	Connection (61), in interior wiring harness
D110	Connection 8 in engine compartment wiring harness
*	Only models with 90 A/ 120 A alternator
*2	Only models with 140 A alternator
*3	Only models with air conditioning system
*4	Only models with no air conditioning system
*5	Up to May 2015
*6	From May 2015

Wiring Diagram VW GOLF CABRIOLET 2017 - Terminal 15 voltage supply relay - Onboard supply control unit - Terminal 50 voltage supply relay - Fuse holder B - Fuse 2 on fuse holder C - Fuse 4 on fuse holder C

J329	Terminal 15 voltage supply relay
J519	Onboard supply control unit
J682	Terminal 50 voltage supply relay
SB	Fuse holder B
SC2	Fuse 2 on fuse holder C
SC4	Fuse 4 on fuse holder C
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
T40	40-pin connector
T52b	52-pin connector
508	Threaded connection (30) on E-box
A217	Positive connection 8 (15a) in dash panel wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B278	Positive connection 2 (15a) in main wiring harness
B504	Positive connection 8 (30a), in interior wiring harness
B660	Connection (diagnosis terminal 50), in main wiring harness
*	Only models with flexible service interval display
*2	Up to April 2013
*3	Up to May 2015
*4	From May 2013
*5	From May 2015

Wiring Diagram VW GOLF CABRIOLET 2017 - Fuel gauge sender - Fuel system pressurisation pump - Additional coolant pump relay - Onboard supply control unit - Fuel pump control unit - Fuse holder B - Coolant circulation pump

G	Fuel gauge sender
G6	Fuel system pressurisation pump
J496	Additional coolant pump relay
J519	Onboard supply control unit
J538	Fuel pump control unit
SB	Fuse holder B
SB20	Fuse 20 on fuse holder B
SB21	Fuse 21 on fuse holder B
SB24	Fuse 24 on fuse holder B
SB27	Fuse 27 on fuse holder B
T5b	5-pin connector
T10n	10-pin connector
T14a	14-pin connector, near battery
T40	40-pin connector
T52b	52-pin connector
V50	Coolant circulation pump
383	Earth connection 18, in main wiring harness
B489	Connection 25, in main wiring harness
D180	Connection (87a), in engine compartment wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Main relay - Onboard supply control unit - Fuse holder B

J271	Main relay
J519	Onboard supply control unit
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
SB22	Fuse 22 on fuse holder B
SB23	Fuse 23 on fuse holder B
T14a	14-pin connector, near battery
T40	40-pin connector
383	Earth connection 18, in main wiring harness
D78	Positive connection 1 (30a), in engine compartment wiring harness
D182	Connection 3 (87a) in engine compartment wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Onboard supply control unit - Engine control unit

J519	Onboard supply control unit
J527	Steering column electronics control unit
J623	Engine control unit, central in plenum chamber
T16r	16-pin connector
T94	94-pin connector
131	Earth connection 2, in engine compartment wiring harness
D182	Connection 3 (87a) in engine compartment wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Onboard supply control unit - 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 - Spark plugs

J519	Onboard supply control unit
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
P	Spark plug connector
Q	Spark plugs
T14a	14-pin connector, near battery
T60	60-pin connector
15	Earth point, on cylinder head
85	Earth connection 1, in engine compartment wiring harness
281	Earth point 1, engine prewiring harness
D206	Connection 4 (87a) in engine prewiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Hall sender - Fuel pressure sender - Throttle valve module - Onboard supply control unit - Engine control unit

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
G247	Fuel pressure sender
J338	Throttle valve module
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T3d	3-pin connector
T6x	6-pin connector
T60	60-pin connector
220	Earth connection (sender earth), in engine wiring harness
D101	Connection 1 in engine compartment wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine speed sender - Charge pressure sender - Intake air temperature sender - Coolant temperature sender - Intake manifold pressure sender - Intake air temperature sender 2 - Onboard supply control unit - Engine control unit

G28	Engine speed sender
G31	Charge pressure sender
G42	Intake air temperature sender
G62	Coolant temperature sender
G71	Intake manifold pressure sender
G299	Intake air temperature sender 2
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T60	60-pin connector
220	Earth connection (sender earth), in engine wiring harness
D101	Connection 1 in engine compartment wiring harness
D107	Connection 5 in engine compartment wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Knock sensor 1 - Radiator outlet coolant temperature sender - Onboard supply control unit - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4

G61	Knock sensor 1
G83	Radiator outlet coolant temperature sender
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T60	60-pin connector
T94	94-pin connector

Wiring Diagram VW GOLF CABRIOLET 2017 - Onboard supply control unit - Engine control unit - Charge pressure control solenoid valve - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1 - Turbocharger air recirculation valve

J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N75	Charge pressure control solenoid valve
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N249	Turbocharger air recirculation valve
T4x	4-pin connector, on radiator fan, bottom left
T14a	14-pin connector, near battery
T60	60-pin connector
T94	94-pin connector
D196	Connection 2 (87a) in engine prewiring harness
*	Radiator fan connection

Wiring Diagram VW GOLF CABRIOLET 2017 - Lambda probe - Onboard supply control unit - Engine control unit - Fuel pressure regulating valve

G39	Lambda probe
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N276	Fuel pressure regulating valve
T6w	6-pin connector, in rear of engine compartment
T14a	14-pin connector, near battery
T60	60-pin connector
T94	94-pin connector
Z19	Lambda probe heater
E30	Connection (87a), in engine wiring harness
*	Only models with manual gearbox
*2	Only models with dual clutch gearbox 0AM

Wiring Diagram VW GOLF CABRIOLET 2017 - Accelerator position sender - Lambda probe after catalytic converter - Accelerator position sender 2 - Onboard supply control unit - Engine control unit

G79	Accelerator position sender
G130	Lambda probe after catalytic converter
G185	Accelerator position sender 2
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T4v	4-pin connector, front in engine compartment
T6h	6-pin connector
T94	94-pin connector
Z29	Lambda probe 1 heater after catalytic converter
E30	Connection (87a), in engine wiring harness
*	Only models with dual clutch gearbox 0AM
*2	Only models with manual gearbox

Wiring Diagram VW GOLF CABRIOLET 2017 - Brake light switch - Onboard supply control unit - Engine control unit

F	Brake light switch
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T4bc	4-pin connector
T52c	52-pin connector
T94	94-pin connector
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
*	Up to April 2013
*2	From May 2013

Wiring Diagram VW GOLF CABRIOLET 2017 - Clutch position sender - Onboard supply control unit - Engine control unit

G476	Clutch position sender
J104	ABS control unit
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T5m	5-pin connector
T47c	47-pin connector
T52b	52-pin connector
T52c	52-pin connector
T94	94-pin connector
366	Earth connection 1, in main wiring harness
367	Earth connection 2, in main wiring harness
387	Earth connection 22, in main wiring harness
389	Earth connection 24, in main wiring harness
A216	Positive connection 2 (87a) 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
*	Only models with manual gearbox
*2	Only left-hand drive models
*3	Up to April 2013
*4	Only right-hand drive models
*5	From May 2013

Wiring Diagram VW GOLF CABRIOLET 2017 - Multifunction indicator - Control unit in dash panel insert - Onboard supply control unit - Data bus diagnostic interface

J119	Multifunction indicator
J285	Control unit in dash panel insert
J519	Onboard supply control unit
J533	Data bus diagnostic interface
J743	Mechatronic unit for dual clutch gearbox
K83	Exhaust emissions warning lamp
K132	Electronic power control fault lamp
T16	16-pin connector
T20	20-pin connector
T25	25-pin connector
T32	32-pin connector
T52c	52-pin connector
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 models with dual clutch gearbox 0AM
*3	Only models with manual gearbox
*4	Only right-hand drive models
*5	Only left-hand drive models

Wiring Diagram VW GOLF CABRIOLET 2017 - Oil pressure switch - Fuel gauge - Coolant temperature gauge - Coolant shortage indicator sender - Oil level and oil temperature sender - Control unit in dash panel insert

F1	Oil pressure switch
G1	Fuel gauge
G3	Coolant temperature gauge
G32	Coolant shortage indicator sender
G266	Oil level and oil temperature sender
H3	Buzzer and gong
J285	Control unit in dash panel insert
K3	Oil pressure warning lamp
K31	Cruise control system warning lamp
K38	Oil level warning lamp
K105	Reserve fuel warning lamp
T6z	6-pin connector, near left headlight
T14a	14-pin connector, near battery
T32	32-pin connector
376	Earth connection 11, in main wiring harness
381	Earth connection 16, in main wiring harness
410	Earth connection 1 (sender earth) in main wiring harness
*	Only models with flexible service interval display
*2	Up to April 2013
*3	From May 2013

VW GOLF CABRIOLET 2017 Overview of control units

Overview of control units

-	Main beam assist control unit -J844-

-	Control unit in dash panel insert -J285-

q	Connector assignment of 52-pin connector -T52 A--black-

q	Connector assignment of 52-pin connector -T52 B--white-

q	Connector assignment of 52-pin connector -T52 C--brown-

q	Connector assignment from November 2011

q	Connector assignment from November 2014

q	Connector assignment from November 2011

q	Connector assignment from November 2014

q	Connector assignment

VW GOLF CABRIOLET 2017 Auxiliary heater control unit J364 Auxiliary heater control unit -J364- Fitting location: under front bumper on right

1 -	Auxiliary heater control unit -J364-

A -	8-pin connector -T8f-

B -	2-pin connector -T2g-

Back to overview VW GOLF CABRIOLET 2017 Airbag control unit J234 Airbag control unit -J234- Fitting location: under centre console, front

1 -	Airbag control unit -J234-

A -	100-pin connector -T100-

Back to overview VW GOLF CABRIOLET 2017 Control unit for cornering light and headlight range control J745 Control unit for cornering light and headlight range control -J745- Fitting location: Left-hand drive models: on right of glove compartment Right-hand drive models: on left of glove compartment   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

1 -	Control unit for cornering light and headlight range control -J745-

A -	26-pin connector -T26h-

Back to overview VW GOLF CABRIOLET 2017 Voltage stabiliser J532 Voltage stabiliser -J532- Fitting location: Left-hand drive models: on left under dash panel, near onboard supply control unit Right-hand drive models: on right under dash panel, near onboard supply control unit   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

1 -	Voltage stabiliser -J532-

2 -	12-pin connector -T12ac-

Back to overview VW GOLF CABRIOLET 2017 Fresh air blower control unit J126 Fresh air blower control unit -J126- Fitting location: on heater and air conditioner unit, front passenger footwell

1 -	Fresh air blower control unit -J126-

A -	2-pin connector -T2-

B -	6-pin connector -T6t-

Back to overview VW GOLF CABRIOLET 2017 Front passenger door control unit J387 Front passenger door control unit -J387- Fitting location: behind door trim -arrow- Left-hand drive models: behind front right door trim Right-hand drive models: behind front left door trim   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

1 -	Front passenger door control unit -J387-

A -	32-pin connector -T32b-

B -	16-pin connector -T16g-

C -	20-pin connector -T20b-

Back to overview VW GOLF CABRIOLET 2017 Light sensor -G399- / main beam assist control unit -J844- / automatic anti-dazzle interior mirror -Y7- Fitting location: on front of interior mirror

1 -	Light sensor -G399-

-	Main beam assist control unit -J844-

-	Automatic anti-dazzle interior mirror -Y7-

A -	8-pin connector -T8ak-

Back to overview VW GOLF CABRIOLET 2017 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Fitting location: Left-hand drive models: on left under dash panel, near centre console Right-hand drive models: on right under dash panel, near onboard supply control unit -J519-   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

1 -	Data bus diagnostic interface -J533-

A -	20-pin connector -T20-

Back to overview VW GOLF CABRIOLET 2017 Driver door control unit J386 Driver door control unit -J386- Fitting location: behind door trim -arrow- Left-hand drive models: behind front left door trim Right-hand drive models: behind front right door trim   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

1 -	Driver door control unit -J386-

A -	32-pin connector -T32a-

B -	16-pin connector -T16a-

C -	20-pin connector -T20a-

Back to overview

VW GOLF CABRIOLET 2017 Steering column electronics control unit J527

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 -

-

Back to overview

VW GOLF CABRIOLET 2017

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

Back to overview VW GOLF CABRIOLET 2017 Onboard supply control unit J519 52-pin connector -T52 B- black -A- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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 -  - Back to overview     52-pin connector -T52 B- white-B- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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 52-pin connector -T52 C- brown -C- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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- Back to overview VW GOLF CABRIOLET 2017 Parking aid control unit J446 Parking aid control unit -J446- Fitting location: Left-hand drive models: on left under​ dash​ panel​,​ behind​ relay​ carrier​ above​ onboard​ supply​ control​ unit​ Right-hand drive models: on right under​ dash​ panel​,​ behind​ relay​ carrier​ above​ onboard​ supply​ control​ unit​     1 -  Connectors on parking aid control unit -J446- 2 -  Onboard supply control unit -J519- 3 -  Securing bolt   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car Connector assignment, from November 2011 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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 -  - Back to overview     Connector assignment, from November 2014 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Parking aid control unit -J446- Connector assignment: A -  18-pin connector -T18i- , black B -  26-pin connector -T26k- , black Connector assignment of parking aid control unit -J446-       -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   Back to overview VW GOLF CABRIOLET 2017 Park assist steering control unit J791 Park assist steering control unit -J791- Fitting location: Left-hand drive models: on left under​ dash​ panel​,​ behind​ relay​ carrier​ above​ onboard​ supply​ control​ unit​ Right-hand drive models: on right under​ dash​ panel​,​ behind​ relay​ carrier​ above​ onboard​ supply​ control​ unit​     1 -  Connectors on park assist steering control unit -J791- 2 -  Onboard supply control unit -J519- 3 -  Securing bolt   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car Connector assignment, from November 2011 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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 -  - Back to overview     Connector assignment, from November 2014 https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Park assist steering control unit -J791- Connector assignment: A -  18-pin connector -T18i- , black B -  26-pin connector -T26k- , black Connector assignment of park assist steering control unit -J791-       -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   Back to overview VW GOLF CABRIOLET 2017 Battery monitoring control unit J367 Battery monitoring control unit -J367- Fitting location: on negative battery terminal   Note Only models with start/stop system     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Battery monitoring control unit -J367- A -  2-pin connector -T2bn- Back to overview VW GOLF CABRIOLET 2017 Mechatronic unit for dual clutch gearbox J743 Mechatronic unit for dual clutch gearbox -J743- Fitting location: in gearbox   Note Figure shows model with dual clutch gearbox 02E.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  Mechatronic unit for dual clutch gearbox -J743- A -  20-pin connector -T20e-  -  25-pin connector -T25- , model with dual clutch gearbox 0AM Back to overview     VW GOLF CABRIOLET 2017 Radiator fan control unit J293 Radiator fan control unit -J293- https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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 Back to overview     VW GOLF CABRIOLET 2017 Power steering control unit J500 Power steering control unit -J500- Fitting location: on front axle carrier -arrow-   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car Connector assignment: https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 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 Back to overview VW GOLF CABRIOLET 2017 Engine control unit J623 Engine control unit -J623- Fitting location: central in plenum chamber     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car  -  Engine control unit -J623--Arrow- A -  94-pin connector -T94- B -  60-pin connector -T60- Back to overview VW GOLF CABRIOLET 2017 ABS control unit J104 ABS control unit -J104- Fitting location: Left-hand drive models: on plenum chamber bulkhead on right in engine compartment Right-hand drive models: on plenum chamber bulkhead on left in engine compartment   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.     https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car 1 -  ABS control unit -J104- A -  47-pin connector -T47c- Back to overview     VW GOLF CABRIOLET 2017 Overview of coupling points

Overview of coupling points

Coupling point for reversing camera in rear lid

q	4-pin connector -T4cu- , blue

q	4-pin connector -T4bt- , black

q	Fitting location

Diagnostic connection -U31-

q	16-pin connector -T16-

q	Fitting location

Coupling point near starter

q	2-pin connector -T2c-

q	4-pin connector -T4t-

q	Fitting location

VW GOLF CABRIOLET 2017 Coupling point under dash panel in left footwell Coupling point under dash panel in left footwell Fitting location: Left-hand drive models: on left under dash panel Right-hand drive models: on right under dash panel   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

-	10-pin connector -T10k- , black, -arrow-

Back to overview VW GOLF CABRIOLET 2017 Coupling point on right A-pillar Coupling point on right A-pillar   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

A -	28-pin connector -T28a-

Back to overview VW GOLF CABRIOLET 2017 Coupling point under seat on front right Coupling point under seat on front right

A -	10-pin connector -T10b-

B -	2-pin connector -T2y- , black

C -	3-pin connector -T3l- , yellow

Back to overview VW GOLF CABRIOLET 2017 Coupling point in rear right side panel Coupling point in rear right side panel

A -	2-pin connector -T2aj- , black

-	8-pin connector -T8l- , black

-	10-pin connector -T10kn- , black

B -	10-pin connector -T10am- , red

Back to overview VW GOLF CABRIOLET 2017 Coupling point on left in luggage compartment Coupling point on left in luggage compartment

1 -	Convertible roof actuation control unit -J256-

2 -	Convertible roof actuation hydraulic pump -V118-

3 -	10-pin connector -T10ak- , black

Back to overview VW GOLF CABRIOLET 2017 Coupling point under seat on front left Coupling point under seat on front left

A -	10-pin connector -T10a-

B -	2-pin connector -T2q- , black

C -	3-pin connector -T3k- , yellow

Back to overview VW GOLF CABRIOLET 2017 Coupling point on left A-pillar Coupling point on left A-pillar   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

A -	28-pin connector -T28-

Back to overview VW GOLF CABRIOLET 2017 Engine coupling point near battery Engine coupling point near battery

A -	14-pin connector -T14a- , black

Back to overview VW GOLF CABRIOLET 2017 Coupling point near starter Coupling point near starter

A -	2-pin connector -T2c-

-	4-pin connector -T4t-

Back to overview VW GOLF CABRIOLET 2017 Coupling point near left headlight Coupling point near left headlight

A -	6-pin connector -T6z- , black

Back to overview VW GOLF CABRIOLET 2017 Front bumper coupling point Front bumper coupling point

B -	8-pin connector -T8w- , black

Back to overview VW GOLF CABRIOLET 2017 Coupling point on radiator fan, bottom left Coupling point on radiator fan, bottom left

A -	4-pin connector -T4x- , black

Back to overview VW GOLF CABRIOLET 2017 Diagnostic connection U31 Diagnostic connection -U31- Fitting location: Left-hand drive models: on left under dash panel Right-hand drive models: on right under dash panel   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

A -	16-pin connector -T16-

Back to overview VW GOLF CABRIOLET 2017 Coupling point behind glove compartment Coupling point behind glove compartment Fitting location: Left-hand drive models: on left behind glove compartment Right-hand drive models: on right behind glove compartment   Note Figure shows left-hand drive model. The view for a RHD model is basically a mirror image.

A -	10-pin connector -T10f- , black

Back to overview VW GOLF CABRIOLET 2017 Coupling point under selector lever cover Coupling point under selector lever cover

A -	10-pin connector -T10s-

Back to overview VW GOLF CABRIOLET 2017 Coupling point near left headlight Coupling point near left headlight

A -	2-pin connector -T2n- , black

Back to overview VW GOLF CABRIOLET 2017 Coupling point for reversing camera in rear lid Coupling point for reversing camera in rear lid

1 -	4-pin connector -T4bt- , black

2 -	4-pin connector -T4cu- , blue

Back to overview

VW GOLF CABRIOLET 2017

VW GOLF CABRIOLET 2017 Overview of earth points in engine compartment

Overview of earth points in engine compartment

656	Earth​ point,​ on​ right​ headlight​

q	Specified torque: 9 Nm

q	Fitting location:

607	Earth point, on left in plenum chamber

q	Specified torque: 9 Nm

q	Fitting location:

1	Earth strap, battery - body

q	Specified torque: 9 Nm

q	Fitting location:

615	Earth point, on left suspension strut

q	Specified torque: 9 Nm

q	Fitting location:

642	Earth point for electronically controlled fan

q	Specified torque: 9 Nm

q	Fitting location:

q	From November 2011

655	Earth​ point​ on​ left​ headlight​

q	Specified torque: 9 Nm

q	Fitting location:

q	Up to November 2011

652	Earth point, engine and gearbox earth

q	Specified torque: 9 Nm

q	Fitting location:

14	Earth point on gearbox

q	Specified torque: 15 Nm

q	Fitting location:

656 Earth point on right headlight -arrow-

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607 Earth point on left in plenum chamber -arrow-

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1 Earth strap, battery - body -arrow B-

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615 Earth point on left suspension strut -arrow A- , only RHD models

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655 Earth point on left headlight -arrow A-

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642 Earth point for electronically controlled fan -arrow B- l  Up to November 2011

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642 Earth point for electronically controlled fan -arrow- l  From November 2011

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652 Earth point for engine and gearbox earth -arrow C-

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18 Earth point on engine block -arrow-

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Overview of earth points in vehicle interior

43	Earth point, lower part of right A-pillar

q	Specified torque: 9 Nm

q	Fitting location:

47	Earth point, in front right footwell

q	Specified torque: 9 Nm

q	Fitting location

45	Earth​ point,​ behind​ centre​ of​ dash​ panel​

q	Specified torque: 9 Nm

q	Fitting location

602	Earth point in front left footwell

q	Specified torque: 9 Nm

q	Fitting location

44	Earth point on lower part of left A-pillar

q	Specified torque: 9 Nm

q	Fitting location

605	Earth point on top end of steering column

q	Specified torque: 9 Nm

q	Fitting location

43 Earth point on lower part of right A-pillar -arrow A-

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47 Earth point in front right footwell -arrow B-

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45 Earth point, behind centre of dash panel -arrow-

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602 Earth point in front left footwell -arrow B-

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44 Earth point on lower part of left A-pillar -arrow A-

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605 Earth point on top end of steering column

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Overview of earth points in luggage compartment

682	Earth point 2 in rear right side panel

q	Fitting location

50	Earth point, on left in luggage compartment

q	Fitting location

662	Earth point in rear left side panel

q	Fitting location

682 Earth point 2 in rear right side panel -arrow-

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50 Earth point on left in luggage compartment -arrow A-

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662 Earth point in rear left side panel -arrow A-

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VW GOLF CABRIOLET 2017 Overview of relay carriers

Overview of relay carriers

q	Relay assignment on E-box high

Relay carrier (basic) on top of onboard supply control unit

q	Relay assignment for left-hand drive vehicle, to April 2013

q	Relay assignment for left-hand drive vehicle, from May 2013

q	Relay assignment for right-hand drive vehicle, to April 2013

q	Relay assignment for right-hand drive vehicle, from May 2013

VW GOLF CABRIOLET 2017 Relay assignment on E-box low

Relay assignment on E-box low

A1 -	Terminal 30 voltage supply relay -J317- (100)

-	Motronic current supply relay -J271- (100)

A2 -	Secondary air pump relay -J299- (100)

-	Connection bridge -TV23-

q	Only models with a diesel engine

A2 -	Additional coolant pump relay -J496- (100)

Back to overview

VW GOLF CABRIOLET 2017 Relay locations on E-box high

Relay locations on E-box high

A1 -	Main relay -J271- (100)

A2 -	Additional coolant pump relay -J496- (100)

A3 -

Vacant

A4 -	Engine component current supply relay -J757- (167)

Back to overview

VW GOLF CABRIOLET 2017 Relay position assignment on additional relay carrier under E-box low

Relay position assignment on additional relay carrier under E-box low

1 -	Auxiliary relay carrier, under E-box on left in engine compartment

2 -	Automatic glow period control unit -J179- (457)

Back to overview VW GOLF CABRIOLET 2017 Relay carrier (basic) on top of onboard supply control unit for left-hand drive vehicle, to April 2013 Relay carrier (basic) on top of onboard supply control unit for left-hand drive vehicle, to April 2013   Note Figure shows left-hand drive model.

A -	Fuse holder

B -	Fuse holder

1 -	Terminal 15 voltage supply relay -J329- (645)

2 / 3 -

X-contact relief relay -J59- (644)

4 -	Dual tone horn relay -J4- (646)

5 -	Headlight washer system relay -J39- (646)

6 -	Heated rear window relay -J9- (645)

7 / 8 -

Terminal 50 voltage supply relay -J682- (645) 1

q	1 Models with no start/stop system

-	Starter relay 1 -J906- (645) 2

q	2 Models with start/stop system

Back to overview VW GOLF CABRIOLET 2017 Relay carrier (basic) on top of onboard supply control unit for right-hand drive vehicle, to April 2013 Relay carrier (basic) on top of onboard supply control unit for right-hand drive vehicle, to April 2013   Note Figure shows right-hand drive model.

A -	Fuse holder

B -	Fuse holder

1 -	Terminal 15 voltage supply relay -J329- (645)

2 / 3 -

X-contact relief relay -J59- (644)

4 -	Dual tone horn relay -J4- (646)

5 -	Headlight washer system relay -J39- (646)

6 -	Heated rear window relay -J9- (645)

7 / 8 -

Terminal 50 voltage supply relay -J682- (645) 1

q	1 Models with no start/stop system

-	Starter relay 1 -J906- (645) 2

q	2 Models with start/stop system

Back to overview VW GOLF CABRIOLET 2017 Relay carrier (basic) on top of onboard supply control unit for left-hand drive vehicle, from May 2013 Relay carrier (basic) on top of onboard supply control unit for left-hand drive vehicle, from May 2013   Note Figure shows left-hand drive model.

A -	Fuse holder

B -	Fuse holder

1 -	Terminal 15 voltage supply relay -J329- (645)

2 / 3 -

Terminal 50 voltage supply relay -J682- (645) 1

q	1 Models with no start/stop system

-	Starter relay 1 -J906- (645) 2

q	2 Models with start/stop system

4 -	Dual tone horn relay -J4- (646)

5 -	Headlight washer system relay -J39- (646)

6 -	Heated rear window relay -J9- (645)

7 / 8 -

X-contact relief relay -J59- (644) 3 / (645) 4

q	3 Models with no Climatronic

q	4 Models with Climatronic

Back to overview VW GOLF CABRIOLET 2017 Relay carrier (basic) on top of onboard supply control unit for right-hand drive vehicle, from May 2013 Relay carrier (basic) on top of onboard supply control unit for right-hand drive vehicle, from May 2013   Note Figure shows right-hand drive model.

A -	Fuse holder

B -	Fuse holder

1 -	Terminal 15 voltage supply relay -J329- (645)

2 / 3 -

Terminal 50 voltage supply relay -J682- (645) 1

q	1 Models with no start/stop system

-	Starter relay 1 -J906- (645) 2

q	2 Models with start/stop system

4 -	Dual tone horn relay -J4- (646)

5 -	Headlight washer system relay -J39- (646)

6 -	Heated rear window relay -J9- (645)

7 / 8 -

X-contact relief relay -J59- (644) 3 / (645) 4

q	3 Models with no Climatronic

q	4 Models with Climatronic

Back to overview

VW GOLF CABRIOLET 2017 Relay carrier (optional) on bottom of onboard supply control unit

Relay carrier (optional) on bottom of onboard supply control unit

1 -	Starter relay 2 -J907- (507) 2

q	2 Models with start/stop system

2 -	Fuel pump relay -J17- (646)

q	Slot 2, top

-	Continued coolant circulation relay -J151- (646)

q	Slot 2, top

-	Fuel supply relay -J643- (646)

q	Slot 2, bottom

3 -	Low heat output relay -J359- (645)

q

Slot 3

-	Auxiliary heater operation relay -J485- (645)

q

Slot 3

4 -	Electric fuel pump 2 relay -J49- (646)

q

Slot 4

-	Heater element relay -J925- (646)

q

Slot 4

5 -	Fresh air blower relay -J13- (646)

q	Slot 5, top

-	High heat output relay -J360- (644)

q

Slot 5

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VW GOLF CABRIOLET 2017 Overview of control units

Overview of control units

q	Connector assignment

6 -	Mobile telephone operating electronics control unit -J412-

q	Only models with multimedia socket MEDIA-IN

q	Fitting location and / assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

q	Connector assignment

VW GOLF CABRIOLET 2017 Emergency call module control unit and communication unit J949 Emergency call module control unit and communication unit -J949- Fitting location: under seat on front right

1 -	Emergency call module control unit and communication unit -J949-

A -	26-pin connector -T26i, schwarz-

B -	Aerial connection

VW GOLF CABRIOLET 2017 Remote control receiver for auxiliary coolant heater R149 Remote control receiver for auxiliary coolant heater -R149- Fitting location: under seat on front right

1 -	Remote control receiver for auxiliary coolant heater -R149-

A -	Connector -Antenne-

B -	6-pin connector -T6j-

Back to overview VW GOLF CABRIOLET 2017 Aerial filter R87 Aerial filter -R87- Fitting location: under seat on front right

1 -	Aerial filter -R87-

A -	Connector -Antenne-

B -	Connector -Antenne-

C -	Connector -Antenne-

Back to overview VW GOLF CABRIOLET 2017 Mobile telephone operating electronics control unit J412 Mobile telephone operating electronics control unit -J412-   Note Only models with no multimedia socket MEDIA-IN Fitting location: under seat on front right

1 -	Mobile telephone operating electronics control unit -J412-

A -	54-pin connector -T54-

B -	Connector -Antenne-

Back to overview VW GOLF CABRIOLET 2017 Multimedia system control unit J650 Multimedia system control unit -J650- Fitting location: under centre armrest, front

1 -	Multimedia system control unit -J650-

A -	12-pin connector -T12t-

Back to overview VW GOLF CABRIOLET 2017 Mobile telephone operating electronics control unit J412 Mobile telephone operating electronics control unit -J412-   Note Only models with multimedia socket MEDIA-IN Fitting location: under centre armrest, front

1 -	Mobile telephone operating electronics control unit -J412-

A -	54-pin connector -T54b-

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VW GOLF CABRIOLET 2017 Heated front seats control unit J774 Heated front seats control unit -J774- Fitting location: under seat pan -arrow- Left-hand drive models: under driver seat Right-hand drive models: under front passenger seat

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Connector assignment:

1 -	Heated front seats control unit -J774-

A -	8-pin connector -T8z- on wiring harness

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VW GOLF CABRIOLET 2017 Rear right window regulator motor V27

Rear right window regulator motor -V27-

A -	Rear right window regulator motor -V27-

Connector:

B -	18-pin connector -T18a- on wiring harness

Back to overview

VW GOLF CABRIOLET 2017 Fuel pump control unit J538

Fuel pump control unit -J538-

-	Under right rear seat, -auf der Kraftstofffördereinheit-

-	10-pin connector -T10n- , on wiring harness

Back to overview

VW GOLF CABRIOLET 2017 Electronically controlled damping control unit J250 Electronically controlled damping control unit -J250- Fitting location: in rear right side panel -arrow-

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Electronically controlled damping control unit -J250-

1 -	Electronically controlled damping control unit -J250-

A -	47-pin connector -T47d- , on wiring harness

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VW GOLF CABRIOLET 2017 Trailer detector control unit J345 Trailer detector control unit -J345- Fitting location: in rear right side panel -arrow-

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

Connector assignment:

A -	Trailer detector control unit -J345-

Connector:

B -	16-pin connector -T16i- , on wiring harness

C -	12-pin connector -T12h- , on wiring harness

Back to overview VW GOLF CABRIOLET 2017 Blind spot monitor control unit J1086 Blind spot monitor control unit -J1086- Fitting location: behind rear bumper on right

1 -	Blind spot monitor control unit -J1086-

A -	8-pin connector -T8ap, schwarz-

Connector assignment Blind spot monitor control unit -J1086-

-T8ap- (A)	Designation
1
2
3	Data bus diagnostic interface -J533- (can-h)
4	Data bus diagnostic interface -J533- (can-l)
5	Terminal 31
6	CAN bus (can-h)
7	CAN bus (can-l)
8	Terminal 15

Back to overview VW GOLF CABRIOLET 2017 Blind spot monitor control unit 2 J1087 Blind spot monitor control unit 2 -J1087- Fitting location: behind rear bumper on left

1 -	Blind spot monitor control unit 2 -J1087-

A -	8-pin connector -T8ao, schwarz-

Connector assignment Blind spot monitor control unit 2 -J1087-

-T8ao- (A)	Designation
1
2
3	Blind Spot Monitor warning lamp in right exterior mirror -K304- (+)
4	Blind Spot Monitor warning lamp in left exterior mirror -K303- (+)
5	Terminal 31
6	CAN bus (can-h)
7	CAN bus (can-l)
8	Terminal 15

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VW GOLF CABRIOLET 2017 Convertible roof actuation control unit J256 Convertible roof actuation control unit -J256- 1 -  Convertible roof actuation control unit -J256- 2 -  Convertible roof actuation hydraulic pump -V118- 3 -  10-pin connector -T10ak- Fitting location: in rear left side panel -1- Back to overview

https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Get access to all wiring diagrams of the car

VW GOLF CABRIOLET 2017 Rear left window regulator motor V26

Rear left window regulator motor -V26-

A -	Rear left window regulator motor -V26-

B -	18-pin connector -T18-

Back to overview VW GOLF CABRIOLET 2017 Amplifier R12 Amplifier -R12- Fitting location: under seat on front left

-	Amplifier -R12-

A -	24-pin connector -T24-

B -	23-pin connector -T23-

Back to overview