VW GOLF 2013 – 1.8l/142 kW – Motronic (7.5), engine code AUQ . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF 2013 - Battery - starter - alternator - voltage regulator

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
S162	Fuse 1 (30) in fuse holder on battery
S163	Fuse 2 (30) in fuse holder on battery
S176	Fuse 4 (30) in fuse holder on battery
S177	Fuse 5 (30) in fuse holder on battery
T1a	Single pin connector, on the battery
T2o	2-pin connector, on alternator
T4w	4-pin connector, near starter
T6b	6-pin connector, brown, on left in engine compartment
500	Screw connection 1 (30), on relay plate
502	Screw connection 1 (30a), on relay plate
507	Screw connection (30), on fuse holder on battery

Wiring Diagram VW GOLF 2013 - Ignition/starter switch - X-contact relief relay

D	Ignition/starter switch
J59	X-contact relief relay
SA10	Fuse 10 on fuse holder A
SA13	Fuse 13 on fuse holder A
SA37	Fuse 37 on fuse holder A
T8c	8-connector, on ignition/starter switch
501	Screw connection 2 (30), on relay plate
503	Screw connection (75x), on relay plate
D50	Positive connection (30), in engine compartment wiring harness
D104	Positive connection 2 (30a), in engine compartment wiring harness
D144	Positive connection 5 (30), in engine compartment wiring harness
D158	Positive connection (X), in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Engine control unit

J64	Ignition cut-off delay relay
J226	Starter inhibitor and reversing light relay
J623	Engine control unit
T2bk	2-pin connector, in left engine compartment
T8j	8-pin connector, on ignition cut-off delay relay
T9c	9-pin connector, on starter inhibitor and reversing light relay
T10b	10-pin connector, white, in left engine compartment
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
209	Earth connection 6, in engine compartment wiring harness
D200	Positive connection 3 (15a), in engine wiring harness
E29	Connection, in engine wiring harness
*	for models USA/CDN only
**	models with automatic gearbox only

Wiring Diagram VW GOLF 2013 - Engine control unit - ignition coil 1 with output stage - ignition coil 2 with output stage - ignition coil 3 with output stage - spark plug connector - spark plugs

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
P	Spark plug connector
Q	Spark plugs
T4t	4-pin connector, on ignition coil 2 with output stage
T4u	4-pin connector, on ignition coil 1 with output stage
T4v	4-pin connector, on ignition coil 3 with output stage
T121a	121-pin connector, on engine control unit
281	Earth connection 1, in engine wiring harness

Wiring Diagram VW GOLF 2013 - Engine control unit - ignition coil 4 with output stage - spark plug connector - spark plugs

J255	Climatronic control unit
J623	Engine control unit
N292	Ignition coil 4 with output stage
P	Spark plug connector
Q	Spark plugs
T4s	4-pin connector, on ignition coil 4 with output stage
T10a	10-pin connector, blue, in left engine compartment
T10b	10-pin connector, white, in left engine compartment
T10d	10-pin connector, orange, in left engine compartment
T12b	12-pin connector, on Climatronic control unit
T14a	14-pin connector, in left engine compartment
T16b	16-pin connector, on Climatronic control unit
T17a	17-pin connector, behind centre dash panel
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
201	Earth connection 5, in engine compartment wiring harness
*	for models with Climatronic only

Wiring Diagram VW GOLF 2013 - Secondary air pump relay - electric drive main relay - engine control unit - secondary air pump motor

J299	Secondary air pump relay
J437	Electric drive main relay
J623	Engine control unit
T2bf	2-pin connector, on secondary air pump motor
T4ad	4-pin connector, on secondary air pump relay
T5k	5-pin connector, on electric drive main relay
T6b	6-pin connector, brown, on left in engine compartment
T81a	81-pin connector, on engine control unit
V101	Secondary air pump motor
D78	Positive connection 1 (30a), in engine compartment wiring harness
D111	Connection 9, in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Coolant temperature display sender - Hall sender - coolant temperature display sender - activated charcoal filter system solenoid valve 1 - secondary air inlet valve

G2	Coolant temperature display sender
G40	Hall sender
G62	Coolant temperature display sender
J623	Engine control unit
N80	Activated charcoal filter system solenoid valve 1
N112	Secondary air inlet valve
T2aa	2-pin connector, on active charcoal filter system solenoid valve 1
T2bg	2-pin connector, on secondary air inlet valve
T3n	3-pin connector, on Hall sender
T4r	4-pin connector, on coolant temperature display sender
T6b	6-pin connector, brown, on left in engine compartment
T14a	14-pin connector, in left engine compartment
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
E30	Connection (87a), in engine wiring harness

Wiring Diagram VW GOLF 2013 - Temperature sensor - knock sensor 1 - knock sensor 2 - engine control unit

G18	Temperature sensor
G61	Knock sensor 1
G66	Knock sensor 2
J623	Engine control unit
T2ab	2-pin connector, on temperature sensor
T2ad	2-pin connector, on knock sensor 1
T2ae	2-pin connector, on knock sensor 2
T121a	121-pin connector, on engine control unit
328	Earth connection 2 (sender earth), in engine compartment wiring harness
473	Earth connection 5, in injection system wiring harness

Wiring Diagram VW GOLF 2013 - Engine speed sender - charge air pressure sender - accelerator position sender - accelerator position sender 2 - engine control unit

G28	Engine speed sender
G31	Charge air pressure sender
G79	Accelerator position sender
G185	Accelerator position sender 2
J623	Engine control unit
T3m	3-pin connector, on engine speed sender
T4q	4-pin connector, on charge air pressure sender
T6e	6-pin connector, on accelerator position sender
T10a	10-pin connector, blue, in left engine compartment
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
D195	Connection 1 (5V), in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Lambda probe after catalytic converter - throttle valve drive angle sender 1 for electric throttle - throttle valve drive angle sender 2 for electric throttle

G130	Lambda probe after catalytic converter
G186	Throttle valve drive for electric throttle (EPC)
G187	Throttle valve drive angle sender 1 for electric throttle (EPC)
G188	Throttle valve drive angle sender 2 for electric throttle (EPC)
J623	Engine control unit
T4n	4-pin connector, on lambda probe after catalytic converter
T6j	6-pin connector, on throttle valve drive for electric throttle (EPC)
T10d	10-pin connector, orange, in left engine compartment
T16a	16-pin connector, diagnostic
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
A49	Connection 1, in dash panel wiring harness
D91	Connection (speed signal), in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Engine control unit - injector - cylinder 1 - injector - cylinder 2 - injector - cylinder 3 - injector - cylinder 4

J623	Engine control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T2ag	2-pin connector, on injector, cylinder 4
T2ah	2-pin connector, on injector, cylinder 2
T2ai	2-pin connector, on injector, cylinder 1
T2aj	2-pin connector, on injector, cylinder 3
T6b	6-pin connector, brown, on left in engine compartment
T14a	14-pin connector, in left engine compartment
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
D95	Connection (injectors), in engine compartment wiring harness
D180	Connection (87a), in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Engine control unit - charge pressure control solenoid valve - inlet camshaft control valve 1 - turbocharger air recirculation valve

J623	Engine control unit
N75	Charge pressure control solenoid valve
N205	Inlet camshaft control valve 1
N249	Turbocharger air recirculation valve
T2ak	2-pin connector, on charge pressure control solenoid valve
T2al	2-pin connector, on turbocharger air recirculation valve
T2am	2-pin connector, on inlet camshaft control valve 1
T10b	10-pin connector, white, in left engine compartment
T14a	14-pin connector, in left engine compartment
T81a	81-pin connector, on engine control unit
T121a	121-pin connector, on engine control unit
167	Earth connection 4, in engine compartment wiring harness
D102	Connection 2, in engine compartment wiring harness
D159	Connection (high bus), in engine compartment wiring harness
D160	Connection (low bus), in engine compartment wiring harness
D182	Connection 3 (87a), in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Power assisted steering pressure switch - lambda probe - air mass meter - engine control unit

F88	Power assisted steering pressure switch
G39	Lambda probe
G70	Air mass meter
J623	Engine control unit
T2bl	2-pin connector, on power assisted steering pressure switch
T5a	5-pin connector, on air mass meter
T6h	Connector, on lambda probe
T81a	81-pin connector, on engine control unit

Wiring Diagram VW GOLF 2013 - Brake light switch - clutch pedal switch - brake pedal switch - engine control unit

F	Brake light switch
F36	Clutch pedal switch
F47	Brake pedal switch
J623	Engine control unit
T4i	4-pin connector, on brake light switch
T4j	4-pin connector, on clutch pedal switch
T6b	6-pin connector, brown, on left in engine compartment
T10b	10-pin connector, white, in left engine compartment
T10c	10-pin connector, black, in left engine compartment
T81a	81-pin connector, on engine control unit
A18	Connection (54), in dash panel wiring harness
A20	Positive connection (15a), in dash panel wiring harness

Wiring Diagram VW GOLF 2013 - Fuel gauge sender - fuel system pressurisation pump - fuel pump relay

G	Fuel gauge sender
G6	Fuel system pressurisation pump
J17	Fuel pump relay
SA28	Fuse 28 on fuse holder A
SA32	Fuse 32 on fuse holder A
SA34	Fuse 34 on fuse holder A
SA43	Fuse 43 on fuse holder A
T4e	4-pin connector, on fuel system pressurisation pump
85	Earth connection 1, in engine compartment wiring harness
504	Screw connection 1 (87), on relay plate
D173	Connection (87), in engine wiring harness

Wiring Diagram VW GOLF 2013 - Speedometer sender - coolant shortage indicator sender

G22	Speedometer sender
G32	Coolant shortage indicator sender
SA7	Fuse 7 on fuse holder A
SA11	Fuse 11 on fuse holder A
SA29	Fuse 29 on fuse holder A
T2j	2-pin connector, on coolant shortage indicator sender
T3o	3-pin connector, on speedometer sender
T14a	14-pin connector, in left engine compartment
327	Earth connection (sender earth), in engine compartment wiring harness
D51	Positive connection 1 (15), in engine compartment wiring harness
D52	Positive connection (15a), in engine compartment wiring harness
D136	Connection 2 (15a), in engine compartment wiring harness
D201	Positive connection 4 (15a), in engine wiring harness

Wiring Diagram VW GOLF 2013 - Oil pressure switch - fuel gauge - coolant temperature gauge - rev. counter - speedometer - alternator warning lamp - reserve fuel warning lamp

F22	Oil pressure switch
G1	Fuel gauge
G3	Coolant temperature gauge
G5	Rev. counter
G21	Speedometer
J285	Control unit in dash panel insert
K	Dash panel insert
K2	Alternator warning lamp
K3	Oil pressure warning lamp
K105	Reserve fuel warning lamp
K132	Electric power control fault lamp
T1f	Single pin connector, on oil pressure switch
T14a	14-pin connector, in left engine compartment
T32a	32-pin connector, blue, on dash panel insert
T32b	32-pin connector, green, on dash panel insert
D124	Connection 22, in engine compartment wiring harness

Wiring Diagram VW GOLF 2013 - Cruise control system switch - cruise control system (CCS) SET button

E45	Cruise control system switch
E227	Cruise control system (CCS) SET button
T7b	6-pin connector, on cruise control system switch
T10a	10-pin connector, black, in left engine compartment
**	models with CCS only

VW GOLF 2013

Earth strap, battery - body - Arrow A -

VW GOLF 2013 Earth points in the engine compartment

Earth points in the engine compartment

1	Earth strap, battery - body

q

Location:

2	Earth strap, gearbox - body

q

Location:

12	Earth point, on left in engine compartment

q

Location:

15	Earth point, on cylinder head

q

Location:

608	Earth point, in centre of plenum chamber

q

Location:

609	Earth point, on right in plenum chamber

q

Location:

671	Earth point 1, on front of left longitudinal member

q

Location:

Earth strap, battery - body - Arrow A -

earth connection in engine compartment, left -arrow C- Earth point 1 at front of left longitudinal member -arrow B-  

Earth strap, gearbox - body- Arrow -

 

Earth connection on cylinder head - arrow -

 

Earth point on water deflector, centre- Arrow -

 

Earth point on water deflector, centre - arrow -

 

Earth points in passenger compartment

29	Earth point, near steering column

q

Location:

42	Earth point, next to steering column

q

Location:

43	Earth point, lower part of right A-pillar

q

Location:

44	Earth point, lower part of left A-pillar

q

Location:

605	Earth point, on top end of steering column

q

Location:

Earth connection near steering column -arrow-

 

Earth point, next to steering column- arrow -

 

Earth point, lower part of right A-pillar- Arrow -

 

Earth point, lower part of left A-pillar -arrow-

 

Earth point, on top end of steering column - Arrow -

 

Earth points in rear part of vehicle

50	Earth points, in luggage compartment, left

q

Location:

Earth points in luggage compartment, left - Arrow -

 

VW GOLF 2013 Relay plate, behind left dash panel

Relay plate, behind left dash panel

Relay description:

1 -

vacant

q

Colour: -

3 -	Starter inhibitor relay -J207-

q	Colour: grey

5 -	Multifunction steering wheel control unit -J453-

q	Colour: black

6 -	Multifunction steering wheel control unit -J453-

q	Colour: black

10 -	Secondary air pump relay -J299-

q	Colour: Black 2)

11 -	Starter inhibitor relay 2 -J864-

q	Colour: Grey 4)

13 -	Ignition cut-off delay relay -J64-

q	Colour: Grey 6)

Relay on additional support under relay plate

Relay description:

2 -	X-contact relief relay -J59-

q	Colour: black

3 -

vacant

q

Colour: -

4 -	Fuel pump relay -J17-

q	Colour: Black 2)

q	For vehicles with TotalFlex or petrol engines only

VW GOLF 2013 Engine control unit (80-pin) J623 –  Central under plenum chamber cover -Arrow-

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Designation of connector:

A -	Engine control unit -J623-

B/C -

80-pin connector, on engine control unit -T80a-

–  Central under plenum chamber cover -Arrow-

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Designation of connector:

A -	Engine control unit -J623-

B/C -

121-pin connector, on engine control unit -T121a-

–  in engine compartment, bottom left -arrow-

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Designation of connector:

A -	Radiator fan control unit -J293-

B -	4-pin connector, on radiator fan control unit -T4ag-

C -	14-pin connector, on radiator fan control unit -T14b-

–  in engine compartment, right -arrow-

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Designation of connector:

A -	Automatic gearbox control unit -J217-

B -	52-pin connector, on automatic transmission control unit -T52a-

–  in engine compartment, right -arrow-

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Designation of connector:

A -	Automatic gearbox control unit -J217-

B -	68-pin connector, on automatic transmission control unit -T68b-

–  behind the door trim, front left -arrow-

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Designation of connector:

A -	Driver door control unit -J386-

B -	29-pin connector, on driver door control unit -T29a-

–  behind the door trim, front right -arrow-

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Designation of connector:

A -	Front passenger door control unit -J387-

B -	29-pin connector, on front passenger door control unit -T29b-

–  behind the door trim, rear left -arrow-

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Designation of connector:

A -	Rear left door control unit -J388-

B -	18-pin connector, on left rear door control unit -T18c-

–  behind the door trim, rear right -arrow-

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Designation of connector:

A -	Rear right door control unit -J389-

B -	18-pin connector, on left rear door control unit -T18d-

–  In centre console, under radio -arrow-

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Designation of connector:

E -	Climatronic control unit -J255-

A -	12-pin connector, on Climatronic control unit -T12b-

B -	20-pin connector, on Climatronic control unit -T20a-

C -	16-pin connector, on Climatronic control unit -T16d-

D -	16-pin connector, on Climatronic control unit -T16b-

–  Above relay plate-arrow-

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Designation of connector:

A -	Convenience system central control unit -J393-

B -	15-pin connector, on convenience system central control unit -T15a-

C -	23-pin connector, on convenience system central control unit -T23b-

–  on relay plate, dash panel, left -arrow-

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Designation of connector:

A -	Multifunction steering wheel control unit -J453-

B -	18-pin connector, on multi-function steering wheel control unit -T18b-

–  on dash panel, left -arrow-

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Designation of connector:

A -	Control unit with display in dash panel insert -J285-

C -	32-pin connector, on control unit with display in dash panel insert -T32a-

1 -	Terminal 15a

2 -	Right turn signal

3 -	Speed signal

4 -	Turn signal relay

5 -	Fuel gauge sender

6 -	Terminal 31

7 -	Terminal 31, sensor earth

8 -	Coolant temperature indicator sensor

q	up to June 2007

9 -	Terminal 31

10 -	Oil pressure switch

11 -

vacant

12 -	Alternator

-	Voltage regulator

13 -

vacant

14 -	Rear fog light bulb

15 -

vacant

16 -	Rear lid release switch

17 -	Terminal 56a - high beam -

18 -	Left turn signal

19 -

vacant

20 -	Terminal 58b - tail lights -

21 -	Door contact switch

q	up to December 2007

22 -	Coolant shortage indicator sender

23 -	Terminal 30a

24 -	Terminal 31

25 -	Terminal K/W - engine diagnosis -

26 -	Terminal 58r - right parking light -

27 -	Terminal 58l - left parking light -

28 -	Speedometer sender

29 -	Brake fluid level warning contact

30 -	Terminal 86s

31 -	Front left belt switch

q	up to August 2009

32 -

vacant

B -	32-pin connector, on control unit with display in dash panel insert -T32b-

1 -

vacant

2 -	Immobilizer reader coil

3 -

vacant

4 -

vacant

5 -	Terminal K/W - engine diagnosis -

6 -	Windscreen washer fluid level sender

q	up to September 2007

7 -	Brake wear indicator

8 -	Terminal for CAN-Bus "high" - convenience -

9 -	Terminal for CAN-Bus "low" - convenience -

10 -

vacant

11 -

vacant

12 -	Radiator fan control unit

13 -	Handbrake warning switch

14 -

vacant

15 -

vacant

16 -

vacant

17 -	Immobilizer reader coil

18 -

vacant

19 -	Terminal for CAN-Bus high

20 -	Terminal for CAN-Bus low

21 -

vacant

22 -	Contact switch on bonnet / bonnet for alarm system

q	up to June 2007

23 -	Intermittent wiper regulator

24 -	Intermittent wiper regulator

25 -	Intermittent wiper regulator

26 -	Ambient temperature sensor

27 -	Terminal for CAN-Bus high

28 -	Terminal for CAN-Bus low

29 -

vacant

30 -

vacant

31 -

vacant

32 -

vacant

–  under centre console -arrow-

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Designation of connector:

A -	Airbag control unit -J234-

B -	75-pin connector, on airbag control unit -T75a-

–  In engine compartment, left -arrow-

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Designation of connector:

A -	ABS control unit -J104-

B -	47-pin connector, on ABS control unit -T47a-

–  Behind right luggage compartment lining-arrow-

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Designation of connector:

A -	Parking aid control unit -J446-

B -	16-pin connector, on parking aid control unit -T16e-

C -	12-pin connector, on parking aid control unit -T12d-

–  Behind dashboard, right side, near glove compartment -arrow-

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Designation of connector:

A -	Fresh air blower control unit -J126-

B -	3-pin connector, on fresh air blower control unit -T3ad-

–  behind the glove compartment -arrow-

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Designation of connector:

A -	Control unit for interactive system -J879-

B -	16-pin connector, on control unit for interactive system -T16f-

–  Above glove compartment -arrow-

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Designation of connector:

A -	Control unit for lighting and wiper functions -J917-

B -	12-pin connector, on control unit for lighting and wiper functions -T12h-

C -	16-pin connector, on control unit for lighting and wiper functions -T16g-

–  At centre of dashboard -arrow-

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Designation of connector:

A -	Heated driver seat control unit -J131-

B -	6-pin connector, on heated driver seat control unit -T6p-

–  At centre of dashboard -arrow-

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Designation of connector:

A -	Heated front passenger seat control unit -J132-

B -	6-pin connector, on heated front passenger seat control unit -T6q-

–  near interior mirror, on roof-arrow-

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Designation of connector:

A -	Sliding sunroof adjustment control unit -J245-

B -	6-pin connector, on sliding sunroof adjustment control unit -T6m-

C -	6-pin connector, on control for sliding sunroof adjustment -T6v-

–  on relay plate, dash panel, left -arrow-

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Designation of connector:

A -	Mirror memory control unit -J267-

B -	18-pin connector, on mirror memory control unit -T18e-