VW GOLF 2012 — Climatronic . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF 2012 - Climatronic control unit - temperature flap control motor

D	Ignition/starter switch
E87	Control and display unit for Climatronic
G56	Dash panel temperature sensor
G92	Control motor potentiometer for temperature flap
J255	Climatronic control unit
L75	Digital display illumination
L76	Button illumination
S5	Fuse in fuse box
S16	Fuse in fuse box
T6a	6-pin connector, behind dash panel, centre
T16a	16-pin connector
T17a	17-pin connector, behind dash panel, centre
T20	20-pin connector
V42	Temperature sensor blower
V68	Temperature flap control motor
243	Earth connection -1-, in Climatronic wiring harness
501	Screw connection -2- (30), on relay plate
A2	Positive (+) connection (15), in dash panel wiring harness
A20	Connection (15a), in dash panel wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A58	Connection (5 volt), in instruments wiring harness
A98	Positive (+) connection-4-(30), in dash panel wiring harness

Wiring Diagram VW GOLF 2012 - Climatronic control unit - central flap control motor - footwell/defroster flap control motor

G112	Control motor potentiometer, central flap
G114	Control motor potentiometer, footwell/defroster flap
J255	Climatronic control unit
J285	Control unit with display in dash panel insert
T6b	6-pin connector, behind dash panel, centre
T6c	6-pin connector, behind dash panel, centre
T12	12-pin connector
T12a	12-pin connector, behind dash panel, centre
T16	16-pin connector, in dash panel centre, self-diagnosis connection***
T16a	16-pin connector
T20	20-pin connector
T32a	32-pin connector, green, on dash panel insert
V70	Central flap control motor
V85	Footwell/defroster flap control motor
A76	Connection (diagnosis wire K), in dash panel wiring harness
***	Models for Mexico, self-diagnosis connection left under dash panel

Wiring Diagram VW GOLF 2012 - Climatronic control unit - air flow flap control motor - vent temperature sender - fresh air intake duct temperature sensor

G89	Fresh air intake duct temperature sensor, on right under dash panel
G113	Control motor potentiometer, air flow flap
G192	Vent temperature sender, footwell
J255	Climatronic control unit
J285	Control unit with display in dash panel insert
J...	Engine control units
T5	5-pin connector, behind dash panel, centre
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T12	12-pin connector
T12a	12-pin connector, behind dash panel, centre
T16a	16-pin connector
T16b	16-pin connector
T17a	17-pin connector, behind dash panel, centre
T20	20-pin connector
T32	32-pin connector, blue, on dash panel insert
V71	Air flow flap control motor
A27	Connection (speed signal), in dash panel wiring harness
A45	Connection (engine speed signal), in dash panel wiring harness
A58	Connection (5 volt), in instruments wiring harness

Wiring Diagram VW GOLF 2012 - Climatronic control unit - ambient temperature sensor - fresh air blower - fresh air blower control unit - sunlight penetration photosensor

E20	Switches and instruments, lighting control
G17	Ambient temperature sensor, in front left bumper
G107	Sunlight penetration photosensor, on dash panel centre
J126	Fresh air blower control unit, on right under dash panel
J255	Climatronic control unit
S225	Fuse in fuse box
T3c	3-pin connector
T12	12-pin connector
T12a	12-pin connector, behind dash panel, centre
T16b	16-pin connector
T17a	17-pin connector, behind dash panel, centre
T20	20-pin connector
V2	Fresh air blower
43	Earth point, lower part of right A-pillar
243	Earth connection -1-, in Climatronic wiring harness
244	Earth connection (sender earth), in Climatronic wiring harness
257	Earth connection -2-, in Climatronic wiring harness
503	Screw connection (75X), on relay plate
A4	Positive (+) connection (58b), in dash panel wiring harness
L67	Positive (+) connection (75X), in Climatronic wiring harness

Wiring Diagram VW GOLF 2012 - Climatronic control unit

J217	Automatic gearbox control unit
J255	Climatronic control unit
J...	Engine control units
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T12	12-pin connector
T12a	12-pin connector, behind dash panel, centre
T16a	16-pin connector
T16b	16-pin connector
T17a	17-pin connector, behind dash panel, centre
T68	68-pin connector
42	Earth point, next to steering columm
49	Earth point, on steering column
81	Earth connection -1-, in dash panel wiring harness
135	Earth connection -2-, in dash panel wiring harness
A68	Connection (30, air conditioner), in dash panel wiring harness
-••-	From May 2001
-••-	Up to April 2000
---	Only models with automatic gearbox

Wiring Diagram VW GOLF 2012 - Radiator fan control unit - radiator fan - air conditioning system magnetic coupling

J285	Control unit with display in dash panel insert
J293	Radiator fan control unit, in engine compartment, front left
N25	Air conditioning system magnetic coupling
T3a	3-pin connector, in engine compartment, front left
T3b	3-pin connector, in engine compartment, front left
T4	4-pin connector, near starter
T4a	4-pin connector
T14	14-pin connector
T32a	32-pin connector, green, on dash panel insert
V7	Radiator fan
V35	Radiator fan, right
12	Earth point, in engine compartment, left
193	Earth connection -1-, in radiator fan wiring harness
A68	Connection (30, air conditioner), in dash panel wiring harness
C11	Connection in radiator fan wiring harness
K21	Connection -1-, in radiator fan wiring harness

Wiring Diagram VW GOLF 2012 - Radiator fan control unit - radiator fan thermo-switch - high pressure sender

A	Battery
F18	Radiator fan thermo-switch
G65	High pressure sender
J293	Radiator fan control unit, in engine compartment, front left
J...	Engine control units
S164	Fuse -3- (30), in fuse box/battery
S180	Fuse -8- (30), in fuse box/battery
T3	3-pin connector
T3d	3-pin connector
T4a	4-pin connector
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T10w	10-pin connector, white, in protective housing for connectors, in plenum chamber, left
T14	14-pin connector
193	Earth connection -1-, in radiator fan wiring harness
D61	Connection (air conditioner), in engine compartment wiring harness
K20	Positive (+) connection -1- (30), in radiator fan wiring harness
K21	Connection -1-, in radiator fan wiring harness
*	Only with TDI engines
---	Not for all engine control units
**	Up to August 2000
-••-	From September 2000

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-

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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