VW GOLF 2012 — Anti-lock brake system . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF 2012 - Battery - Starter - Alternator - Voltage regulator - X contact relief relay

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J59	X contact relief relay
S176	Fuse -4- (30), in fuse holder on battery
S177	Fuse -5- (30), in fuse holder on battery
S178	Fuse -6- (30), in fuse holder on battery
S179	Fuse -7- (30), in fuse holder on battery
T1a	Single connector, on starter
T2x	2-pin connector, on alternator
T3q	3-pin connector, in fuse holder on battery
T4	4-pin connector, near starter
T6	6-pin connector, brown, in the protection carcass for connectors, near water box, left
T10w	10-pin connector, white in the protection carcass for connectors, near water box, left
1	Earth strap, battery body
2	Earth strap, gearbox - body
500	Screw connection -1- (30), on relay plate
507	Screw connection (30), on fuse holder on battery

Wiring Diagram VW GOLF 2012 - Ignition/starter switch

D	Ignition/starter switch
S9	Fuse in relay plate fuse holder
S10	Fuse in relay plate fuse holder
T8f	8-pin connector, on ignition/starter switch
42	Earth point, next to steering column
49	Earth point, near to steering column
135	Earth connection -2-, in dash panel wiring harness
501	Screw connection -2- (30), on relay plate
503	Screw connection (75x), on relay plate
A2	Positive connection (15), in dash panel wiring harness
A21	Connection (86s), in dash panel wiring harness
A32	Positive connection (30), in dash panel wiring harness
A80	Connection -1- (X), in dash panel wiring harness

Wiring Diagram VW GOLF 2012 - Front right speed sensor - Front left speed sensor - ABS control unit - ABS control unit - Rear right ABS inlet valve - Rear left ABS inlet valve - Rear right ABS outlet valve - Rear left ABS outlet valve

G45	Front right speed sensor
G47	Front left speed sensor
J104	ABS control unit
N133	Rear right ABS inlet valve
N134	Rear left ABS inlet valve
N135	Rear right ABS outlet valve
N136	Rear left ABS outlet valve
T2bv	2-pin connector, on front left speed sensor
T2bz	2-pin connector, on front right speed sensor
T10w	10-pin connector, white in the protection carcass for connectors, near water box, left
T47	47-pin connector, on ABS control unit
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
A133	Connection (left ABS impulse), in dash panel wiring harness

Wiring Diagram VW GOLF 2012 - Brake light switch - Rear right speed sensor - Rear left speed sensor - ABS control unit - ABS hydraulic pump

F	Brake light switch
G44	Rear right speed sensor
G46	Rear left speed sensor
J104	ABS control unit
N99	Front right ABS inlet valve
N100	Front right ABS outlet valve
N101	Front left ABS inlet valve
N102	Front left ABS outlet valve
S13	Fuse in relay plate fuse holder
S239	Fuse in fuse holder
T2bx	Conector de encaixe, duplo, no sensor de rotações da roda tras. esq.
T2ca	2-pin connector, on rear right speed sensor
T4f	4-pin connector, on brake light switch
T47	47-pin connector, on ABS control unit
V64	ABS hydraulic pump
A18	Connection (54), in dash panel wiring harness
A134	Connection (right ABS impulse), in dash panel wiring harness
D146	Connection (rear left speed sensor +), in engine compartment wiring harness
D147	Connection (rear left speed sensor -), in engine compartment wiring harness
D148	Connection (rear right speed sensor +), in engine compartment wiring harness
D149	Connection (rear right speed sensor -), in engine compartment wiring harness

Wiring Diagram VW GOLF 2012 - ABS control unit

J104	ABS control unit
T16	16-pin connector, auto-diagnosis connection, on dash panel, center
T47	47-pin connector, on ABS control unit
65	Earth point, on rear of left longitudinal member
A38	Positive connection -2- (15a), in dash panel wiring harness
A76	Connection (diagnosis wire K), in dash panel wiring harness
A132	Connection (TCS/ESP), in dash panel wiring harness

Wiring Diagram VW GOLF 2012 - Handbrake warning switch - Brake fluid level warning contact - Front left brake lining/pad wear sender - Data bus diagnostic interface - Dash panel insert - Alternator warning lamp - ABS warning lamp - Brake system warning lamp

F9	Handbrake warning switch
F34	Brake fluid level warning contact
G34	Front left brake lining/pad wear sender
J285	Control unit with display in dash panel insert
J533	Data bus diagnostic interface
K	Dash panel insert
K2	Alternator warning lamp
K32	Brake pad/lining warning lamp
K47	ABS warning lamp
K118	Brake system warning lamp
T2h	2-pin connector, on handbrake warning switch
T2i	2-pin connector, on brake fluid level warning contact
T2cb	2-pin connector, on tront left brake lining/pad wear sender
T32	32-pin connector, blue, on dash panel insert
T32a	32-pin connector, green, on dash panel insert
12	Earth point, on left in engine compartment
81	Earth connection -1-, in dash panel wiring harness
119	Earth connection -1-, in headlight wiring harness
120	Earth connection -2-, in headlight wiring harness
C5	Connection -1- (brake pad wear monitor) in front left wiring harness
C6	Connection -2- (brake pad wear monitor) in front left wiring harness

VW GOLF 2012 Relay plate, behind left dash panel

Relay plate, behind left dash panel

Relay description:

1 -	Fuel pump relay -J17-

-	Telephone and Telematik control unit -J526-

-	Relay 1 for cut-off valve -J651-

2 -	Rear lid remote release motor relay -J398-

-	Rear lid remote release control unit -J546-

3 -	Starter relay -J53-

-	Ignition cut-off delay relay -J64-

4 -	Fog light relay -J5-

5 -	Reversing light relay -J219-

-	Multifunction steering wheel control unit -J453-

6 -	Multifunction steering wheel control unit -J453-

7 -	Low beam switching-on relay -J90-

8 -	Heated exterior mirror relay -J99-

-	Cigarette lighter relay -J193-

9 -	Fuel pump relay -J17-

-	Diesel direct injection system relay -J322-

-	Siren relay -J408-

10 -	Fuel pump relay -J17-

-	Glow plug relay -J52-

11 -	Automatic gearbox relay -J60-

12 -	Electric drive main relay -J437-

13 -	Radiator fan relay -J26-

Relay on additional support under relay plate

Relay description:

1 -	Dual tone horn relay -J4-

2 -	X-contact relief relay -J59-

3 -

vacant

4 -	Glow plug relay -J52-

-	Fuel pump relay -J17-

V -	Automatic intermittent wash and wipe relay -J31-

VI -	Automatic intermittent wash and wipe relay -J31-

VW GOLF 2012

Earth strap, battery - body - Arrow A -

VW GOLF 2012 Earth points in the engine compartment

Earth points in the engine compartment

1	Earth strap, battery - body

q	Location: → Reference

2	Earth strap, gearbox - body

q	Location: → Reference

12	Earth point, on left in engine compartment

q	Location: → Reference

15	Earth point, on cylinder head

q	Location: → Reference

608	Earth point, in centre of plenum chamber

q	Location: → Reference

609	Earth point, on right in plenum chamber

q	Location: → Reference

1 Earth strap, battery - body - Arrow A -    12 Earth point, in engine compartment, left -arrow B-

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2 Earth strap, gearbox - body- Arrow -

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15 Earth connection on cylinder head - arrow -

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608 Earth connection on water deflector, centre - arrow -

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609 Earth connection on water deflector, right - arrow -

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Earth points in passenger compartment

42	Earth point, next to steering column

q	Location: → Reference

44	Earth point, lower part of left A-pillar

q	Location: → Reference

45	Earth point, centre behind dash panel

q	Location: → Reference

49	Earth connection, on steering column

q	Location: → Reference

42 Earth point, next to steering column- arrow -

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44 Earth connection, lower part of left A-pillar -arrow-

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45 Earth connection, centre behind dash panel- Arrow -

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49 Earth connection on steering column - arrow -

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Earth points in rear part of vehicle

50	Earth points, in luggage compartment, left

q	Location: → Reference

50 Earth points in luggage compartment, left - Arrow -

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VW GOLF 2012 Motronic control unit J220

Motronic control unit -J220-

   

Location: –  Central under plenum chamber cover -Arrow-

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Designation of connector:

A -	Motronic control unit -J220-

B -	81-pin connector -T81-

C -	40-pin connector -T40-

Radiator fan control unit -J293-

Location: –  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 -T4v-

C -	14-pin connector, on radiator fan control unit -T14-

Automatic gearbox control unit -J217-

Location: –  in engine compartment, right -arrow-

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Designation of connector:

A -	Automatic gearbox control unit -J217-

B -	68-pin connector, on automatic gearbox control unit -T68-

Driver door control unit -J386-

Location: –  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 -T29-

Front passenger door control unit -J387-

Location: –  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 -T29a-

Rear left door control unit -J388-

Location: –  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 -T18-

Rear right door control unit -J389-

Location: –  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 -T18b-

Climatronic control unit -J255-

Location: –  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 -T12c-

B -	20-pin connector, on Climatronic control unit -T20-

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

D -	16-pin connector, on Climatronic control unit -T16a-

Convenience system central control unit -J393-

Location: –  Behind glove compartment, front passenger side -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 -T15-

C -	23-pin connector, on convenience system central control unit -T23-

Control unit with display in dash panel insert -J285-

Location: –  Behind instrument cluster-arrow-

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Designation of connector:

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

C -	32-pin connector, blue, on instrument cluster control unit with indicator unit -T32-

1 -	Terminal 15a

2 -	Right turn signal

3 -	Speed signal

4 -	Turn signal relay

5 -	Fuel gauge sender

6 -

vacant

7 -	Terminal 31

8 -	Coolant temperature indicator sensor

9 -	Terminal 31

10 -	Oil pressure switch

11 -

vacant

12 -	Alternator

-	Voltage regulator

13 -

vacant

14 -	Rear fog light bulb

15 -

vacant

16 -

vacant

17 -	Terminal 56a

18 -	Left turn signal

19 -	ABS control unit

20 -	Terminal 58b

21 -	Door contact switch

22 -	Coolant shortage indicator sender

23 -	Terminal 30a

24 -	Terminal 31

25 -	Terminal K

26 -	Terminal 58r

27 -	Terminal 58l

28 -	Speedometer sender

29 -	Brake fluid level warning contact

30 -	Terminal 86s

31 -	Front left belt switch

32 -

vacant

B -	32-pin connector, green, on instrument cluster control unit with indicator unit -T32a-

1 -

vacant

2 -	Immobilizer reader coil

3 -

vacant

4 -	Terminal for CAN-Bus / control

5 -	Immobilizer

6 -	Windscreen washer fluid level sender

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 -	Terminal for ASR/ESP

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

23 -	Multifunction display memory switch

24 -	Multifunction display memory switch

25 -	Multifunction display memory switch

26 -	Ambient temperature sensor

27 -	Terminal for CAN-Bus high

28 -	Terminal for CAN-Bus low

29 -

vacant

30 -	Terminal for clock

31 -	Terminal for data

32 -	Terminal for Enable

Airbag control unit -J234-

Location: –  under centre console -arrow-

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Designation of connector:

A -	Airbag control unit -J234-

B -	75-pin connector, on airbag control unit -T75-

ABS control unit -J104-

Location: –  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 -T47-

Parking aid control unit -J446-

Location: –  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 -T16z-

C -	12-pin connector, on parking aid control unit -T12ka-