VW GOLF CABRIOLET 2017 – 2.0l petrol engine, CULC . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF CABRIOLET 2017 - Onboard supply control unit

J519	Onboard supply control unit
T52a	52-pin connector, black
T52b	52-pin connector, white
T52c	52-pin connector, brown
B278	Positive connection 2 (15a) in main wiring harness
B340	Connection 1 (58d), in main wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Terminal 15 voltage supply relay - Onboard supply control unit - Voltage stabiliser - Starter relay 1 - Starter relay 2 - Fuse holder B

J329	Terminal 15 voltage supply relay
J519	Onboard supply control unit
J532	Voltage stabiliser
J906	Starter relay 1
J907	Starter relay 2
SB	Fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
T9b	9-pin connector, black
T9c	9-pin connector, black
T9d	9-pin connector, black
T12ac	12-pin connector, red
T40	40-pin connector, black
T52c	52-pin connector, brown
B163	Positive connection 1 (15), in interior wiring harness
B278	Positive connection 2 (15a) in main wiring harness
B660	Connection (diagnosis terminal 50), in main wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Starter - Alternator with voltage regulator - Battery monitor control unit - Engine component current supply relay - Fuse holder B - Fuse 5 in fuse holder A

A	Battery
B	Starter
CX1	Alternator with voltage regulator
J367	Battery monitor control unit, on earth cable battery clamp
J757	Engine component current supply relay
SB	Fuse holder B
SB3	Fuse 3 on fuse holder B
SA5	Fuse 5 in fuse holder A
SB20	Fuse 20 on fuse holder B
T1af	Single connector, black
T2bn	2-pin connector, yellow
T2cn	2-pin connector, black
T8ap	8-pin connector, near battery, black
T40	40-pin connector, black
508	Threaded connection (30) on E-box
B319	Positive connection 5 (30a) in main wiring harness
B698	Connection 3 (LIN bus) in main wiring harness
D180	Connection (87a), in engine compartment wiring harness
*	Earth supply via housing

Wiring Diagram VW GOLF CABRIOLET 2017 - Main relay - Fuse holder B

J271	Main relay
SB	Fuse holder B
SB10	Fuse 10 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB15	Fuse 15 on fuse holder B
SB22	Fuse 22 on fuse holder B
SB23	Fuse 23 on fuse holder B
T40	40-pin connector, black
A216	Positive connection 2 (87a) in dash panel wiring harness
D78	Positive connection 1 (30a), in engine compartment wiring harness
D181	Connection 2 (87a) in engine compartment wiring harness
*	According to equipment

Wiring Diagram VW GOLF CABRIOLET 2017 - Fuse holder C

SC	Fuse holder C
SC2	Fuse 2 on fuse holder C
SC4	Fuse 4 on fuse holder C
SC27	Fuse 27 on fuse holder C
SC47	Fuse 47 on fuse holder C
B169	Positive connection 1 (30), in interior wiring harness
B320	Positive connection 6 (30a) in main wiring harness
B504	Positive connection 8 (30a), in interior wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine control unit

J623	Engine control unit
T4x	4-pin connector, black
T91a	91-pin connector, black
131	Earth connection 2, in engine compartment wiring harness
D182	Connection 3 (87a) in engine compartment wiring harness
*	Radiator fan connection
*2	see applicable current flow diagram for radiator fan

Wiring Diagram VW GOLF CABRIOLET 2017 - Charge pressure sender - Radiator outlet coolant temperature sender - Engine control unit - Coolant shut-off valve - Cooling oil valve

G31	Charge pressure sender
G83	Radiator outlet coolant temperature sender
J623	Engine control unit
N82	Coolant shut-off valve
N471	Cooling oil valve
T2co	2-pin connector, black
T2du	2-pin connector, black
T4ak	4-pin connector, black
T8ap	8-pin connector, near battery, black
T14a	14-pin connector, near battery, black, grey
T91a	91-pin connector, black
D245	Connection 6 (87a) in engine prewiring harness
*	Only models with dual clutch gearbox (DSG)
*2	Only models with manual gearbox

Wiring Diagram VW GOLF CABRIOLET 2017 - Start/Stop operation button - Engine control unit

E693	Start/Stop operation button
J623	Engine control unit
K259	Start/Stop operation warning lamp
L76	Button illumination bulb
T6ax	6-pin connector, black
T14a	14-pin connector, near battery, black, grey
T91a	91-pin connector, black
417	Earth connection 9, in engine compartment wiring harness
A217	Positive connection 8 (15a) in dash panel wiring harness
*	According to equipment

Wiring Diagram VW GOLF CABRIOLET 2017 - Lambda probe 1 after catalytic converter - Lambda probe 1 before catalytic converter - Engine control unit

GX7	Lambda probe 1 after catalytic converter
GX10	Lambda probe 1 before catalytic converter
G39	Lambda probe
G130	Lambda probe after catalytic converter
J623	Engine control unit
T4v	4-pin connector, black
T5ai	5-pin connector, grey, near brake fluid reservoir
T91a	91-pin connector, black
Z19	Lambda probe heater
Z29	Lambda probe 1 heater after catalytic converter
D197	Connection 5 (87a) in engine compartment wiring harness
*	Pre-wired component

Wiring Diagram VW GOLF CABRIOLET 2017 - Oil pressure switch - Oil pressure switch for reduced oil pressure - Knock sensor 1 - Coolant temperature sender - Engine control unit - Fuel pressure regulating valve

F1	Oil pressure switch
F378	Oil pressure switch for reduced oil pressure
G61	Knock sensor 1
G62	Coolant temperature sender
J623	Engine control unit
N276	Fuel pressure regulating valve
T1e	Single connector, dark blue
T1f	Single connector, black
T2cn	2-pin connector, black
T2co	2-pin connector, yellow
T2di	2-pin connector, black
T105a	105-pin connector, black
*	Pre-wired component
*2	Earth supply via housing

Wiring Diagram VW GOLF CABRIOLET 2017 - Intake manifold sender - Engine control unit - Actuator for engine temperature regulation - Air flow flap control motor

GX9	Intake manifold sender
G42	Intake air temperature sender
G71	Intake manifold pressure sender
J623	Engine control unit
N493	Actuator for engine temperature regulation
T4bf	4-pin connector, black
T5ah	5-pin connector, black
T6ca	6-pin connector, black
T105a	105-pin connector, black
V71	Air flow flap control motor

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine speed sender - Engine control unit - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1 - Exhaust camshaft control valve 1 - Auxiliary pump for heating

G28	Engine speed sender
J623	Engine control unit
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N318	Exhaust camshaft control valve 1
T2cw	2-pin connector, black
T2cx	2-pin connector, black
T2cy	2-pin connector, black
T3dh	3-pin connector, black
T3v	3-pin connector, brown
T105a	105-pin connector, black
V488	Auxiliary pump for heating
D246	Connection 7 (87a) in engine prewiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine control unit - Turbocharger air recirculation valve - Intake manifold flap valve - Valve for oil pressure control - Piston cooling jet control valve - Exhaust cam actuator A for cylinder 1 - Exhaust cam actuator B for cylinder 1

J623	Engine control unit
N249	Turbocharger air recirculation valve
N316	Intake manifold flap valve
N428	Valve for oil pressure control
N522	Piston cooling jet control valve
N580	Exhaust cam actuator A for cylinder 1
N581	Exhaust cam actuator B for cylinder 1
T2au	2-pin connector, black
T2cv	2-pin connector, black
T2dk	2-pin connector, black
T2dl	2-pin connector, black
T2ds	2-pin connector, black
T2dt	2-pin connector, black
T105a	105-pin connector, black
D189	Connection (87a) in engine prewiring harness
D205	Connection 3 (87a) in engine prewiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine control unit - Exhaust cam actuator A for cylinder 2 - Exhaust cam actuator B for cylinder 2 - Exhaust cam actuator A for cylinder 3 - Exhaust cam actuator B for cylinder 3 - Exhaust cam actuator A for cylinder 4 - Exhaust cam actuator B for cylinder 4

J623	Engine control unit
N588	Exhaust cam actuator A for cylinder 2
N589	Exhaust cam actuator B for cylinder 2
N596	Exhaust cam actuator A for cylinder 3
N597	Exhaust cam actuator B for cylinder 3
N604	Exhaust cam actuator A for cylinder 4
N605	Exhaust cam actuator B for cylinder 4
T2dm	2-pin connector, black
T2dn	2-pin connector, black
T2do	2-pin connector, black
T2dp	2-pin connector, black
T2dq	2-pin connector, black
T2dr	2-pin connector, black
T105a	105-pin connector, black
D205	Connection 3 (87a) in engine prewiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage - Ignition coil 4 with output stage

J623	Engine control unit
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
Q23	Spark plug 1
Q24	Spark plug 2
Q25	Spark plug 3
Q26	Spark plug 4
T4af	4-pin connector, black
T4ag	4-pin connector, black
T4ah	4-pin connector, black
T4ai	4-pin connector, black
T105a	105-pin connector, black
15	Earth point, on cylinder head
85	Earth connection 1, in engine compartment wiring harness
281	Earth point 1, engine prewiring harness
D206	Connection 4 (87a) in engine prewiring harness
*	Earth supply via housing

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Vacuum pump for brakes

J623	Engine control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T2cp	2-pin connector, black
T2cq	2-pin connector, black
T2cr	2-pin connector, black
T2cs	2-pin connector, black
T3di	3-pin connector, black
T8aq	8-pin connector, on front of engine, black
T91a	91-pin connector, black
T105a	105-pin connector, black
V192	Vacuum pump for brakes
*	According to equipment

Wiring Diagram VW GOLF CABRIOLET 2017 - Engine control unit - Injector 2 - cylinder 1 - Injector 2 - cylinder 2 - Injector 2 - cylinder 3 - Injector 2 - cylinder 4

J623	Engine control unit
N532	Injector 2, cylinder 1
N533	Injector 2, cylinder 2
N534	Injector 2, cylinder 3
N535	Injector 2, cylinder 4
T2dw	2-pin connector, black
T2dx	2-pin connector, black
T2dy	2-pin connector, black
T2dz	2-pin connector, black
T8ar	8-pin connector, on front of engine, black
T105a	105-pin connector, black
D244	Connection 5 (87a) in engine prewiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Stage 3 oil pressure switch - Hall sender - Fuel pressure sender - Intake manifold flap potentiometer - Engine control unit

F447	Stage 3 oil pressure switch
G40	Hall sender
G247	Fuel pressure sender
G336	Intake manifold flap potentiometer
J623	Engine control unit
T2dj	2-pin connector, black
T3b	3-pin connector, black
T3cd	3-pin connector, black
T3dg	3-pin connector, black
T14g	14-pin connector, on front of engine, black
T105a	105-pin connector, black
*	Earth supply via housing

Wiring Diagram VW GOLF CABRIOLET 2017 - Accelerator pedal module - Throttle valve module - Engine control unit

GX2	Accelerator pedal module
GX3	Throttle valve module
G79	Accelerator position sender
G185	Accelerator position sender 2
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
J623	Engine control unit
T6h	6-pin connector, black
T6x	6-pin connector, black
T91a	91-pin connector, black
T105a	105-pin connector, black

Wiring Diagram VW GOLF CABRIOLET 2017 - Hall sender 3 - Fuel pressure sender for low-pressure - Pressure differential sender - Engine control unit

G300	Hall sender 3
G410	Fuel pressure sender for low-pressure
G505	Pressure differential sender
J623	Engine control unit
T3bv	3-pin connector, black
T3cd	3-pin connector, blue
T4dd	4-pin connector, black
T91a	91-pin connector, black
T105a	105-pin connector, black

Wiring Diagram VW GOLF CABRIOLET 2017 - Brake light switch - Engine control unit - Mechatronic unit for dual clutch gearbox

F	Brake light switch
J623	Engine control unit
J743	Mechatronic unit for dual clutch gearbox
T4bc	4-pin connector, black
T25	25-pin connector, black
T91a	91-pin connector, black
366	Earth connection 1, in main wiring harness
367	Earth connection 2, in main wiring harness
388	Earth connection 23, in main wiring harness
389	Earth connection 24, in main wiring harness
B131	Connection (54), in interior wiring harness
D127	Connection 25 in engine compartment wiring harness

Wiring Diagram VW GOLF CABRIOLET 2017 - Data bus diagnostic interface - Engine control unit - Dash panel insert

J285	Control unit in dash panel insert
J533	Data bus diagnostic interface
J623	Engine control unit
KX2	Dash panel insert
T16	16-pin connector, black
T20	20-pin connector, red
T32	32-pin connector, blue
T91a	91-pin connector, black
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
*	Diagnostic connection

Wiring Diagram VW GOLF CABRIOLET 2017 - Fuel pump control unit - Dash panel insert

G	Fuel gauge sender
GX1	Fuel delivery unit
G6	Fuel system pressurisation pump
J285	Control unit in dash panel insert
J538	Fuel pump control unit
KX2	Dash panel insert
T5b	5-pin connector, black
T10n	10-pin connector, black
T32	32-pin connector, blue
383	Earth connection 18, in main wiring harness
410	Earth connection 1 (sender earth) in main wiring harness
B489	Connection 25, in main wiring harness

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

VW GOLF CABRIOLET 2017 Overview of earth points in engine compartment

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 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

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 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-

Back to overview

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

Back to overview

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-

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

Electronically controlled damping control unit -J250-

1 -	Electronically controlled damping control unit -J250-

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

Back to overview

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

Back to overview

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