VW GOLF 2009 — 2.0 litre/85 kW Motronic, engine codes AEG . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF 2009 - Alternator - starter

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
J59	X contact relief relay
J207	Starter inhibitor relay
J226	Starter inhibitor and reversing light relay
S162	Fuse -1- (30), in fuse box/battery
S163	Fuse -2- (30), in fuse box/battery
S176	Fuse -4- (30), in fuse box/battery
S177	Fuse -5- (30), in fuse box/battery
T2e	2-pin connector, near starter (only models without air conditioner)
T4	4-pin connector, near starter (only models with air conditioner)
T6	6-pin connector, brown, in control unit protective housing, in plenum chamber, left
500	Screw connection -1- (30), on relay plate
501	Screw connection -2- (30), on relay plate
502	Screw connection -1- (30a), on relay plate
A41	Positive (+) connection (50), in dash panel wiring harness (up to April 2001)
*	Only models with manual gearbox
---	Only models with automatic gearbox
-•-•-	Up to April 2001

Wiring Diagram VW GOLF 2009 - Motronic control unit - ignition system

D	Ignition/starter switch
J220	Motronic control unit, in plenum chamber, centre
N152	Ignition transformer
P	Spark plug connector
Q	Spark plugs
S10	Fuse in fuse box
S229	Fuse in fuse box
T4a	4-pin connector
T6	6-pin connector, brown, in control unit protective housing, in plenum chamber, left
T14a	14-pin connector, near battery
T80	80-pin connector
85	Earth connection -1-, in engine compartment wiring harness
608	Earth point, in plenum chamber, centre
A2	Positive (+) connection (15), in dash panel wiring harness
A32	Positive (+) connection (30), in dash panel wiring harness
A98	Positive (+) connection-4-(30), in dash panel wiring harness
A104	Positive (+) connection -2- (15), in dash panel wiring harness

Wiring Diagram VW GOLF 2009 - Motronic control unit - coolant temperature sender - hall sender - knock sensor I

G2	Coolant temperature sender
G40	Hall sender
G61	Knock sensor I
G62	Coolant temperature sender
J217	Automatic gearbox control unit
J220	Motronic control unit, in plenum chamber, centre
T2	2-pin connector, in engine compartment, rear
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T14a	14-pin connector, near battery
T68	68-pin connector
T80	80-pin connector
220	Earth connection (sender earth), in engine wiring harness
D101	Connection -1-, in engine wiring harness
**	Connection for air conditioner
---	Only models with automatic gearbox

Wiring Diagram VW GOLF 2009 - Motronic control unit - throttle valve control unit - knock sensor II - engine speed sender

F60	Idling switch
G28	Engine speed sender
G66	Knock sensor II
G69	Throttle valve potentiometer
G88	Throttle valve positioner potentiometer
J220	Motronic control unit, in plenum chamber, centre
J338	Throttle valve control unit***
T2a	2-pin connector, in engine compartment, front
T3	3-pin connector, near intake manifold
T8	8-pin connector***
T80	80-pin connector
V60	Throttle valve positioner
220	Earth connection (sender earth), in engine wiring harness
***	Models with cruise control system⇒ Current Flow Diagram cruise control system

Wiring Diagram VW GOLF 2009 - Motronic control unit - injectors

J217	Automatic gearbox control unit
J220	Motronic control unit, in plenum chamber, centre
J226	Starter inhibitor and reversing light relay
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
S232	Fuse in fuse box
T10g	10-pin connector, grey, in control unit protective housing, in plenum chamber, left
T14a	14-pin connector, near battery
T68	68-pin connector
T80	80-pin connector
A101	Connection -3- (87), in dash panel wiring harness
D95	Connection (injectors), in engine compartment wiring harness
---	Only models with automatic gearbox

Wiring Diagram VW GOLF 2009 - Motronic control unit - fuel system diagnostic pump - heater element (crankcase breather)

J220	Motronic control unit, in plenum chamber, centre
N79	Heater element (crankcase breather)
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T10h	10-pin connector, blue, in control unit protective housing, in plenum chamber, left
T10w	10-pin connector, white, in protective housing for connectors, in plenum chamber, left
T80	80-pin connector
V144	Fuel system diagnostic pump
131	Earth connection -2-, in engine compartment wiring harness
608	Earth point, in plenum chamber, centre

Wiring Diagram VW GOLF 2009 - Motronic control unit - secondary air pump motor - secondary air inlet valve - secondary air pump relay

J104	ABS/ABS with EDL control unit
J217	Automatic gearbox control unit
J220	Motronic control unit, in plenum chamber, centre
J299	Secondary air pump relay, in protective housing in engine compartment, left (control number 100)
N112	Secondary air inlet valve
T10w	10-pin connector, white, in protective housing for connectors, in plenum chamber, left
T25	25-pin connector, on ABS/ABS with EDL control unit (up to July 2000)
T47a	47-pin connector, ABS/ABS with EDL/TCS/ESP control unit (from August 2000)
T68	68-pin connector
T80	80-pin connector
V101	Secondary air pump motor
609	Earth point, in plenum chamber, right
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
E30	Connection (87a), in engine wiring harness

Wiring Diagram VW GOLF 2009 - Motronic control unit - air mass meter - lambda probe - lambda probe downstream of catalytic converter - activated charcoal filter system solenoid valve - fuel pump relay

G39	Lambda probe
G70	Air mass meter
G130	Lambda probe downstream of catalytic converter
J17	Fuel pump relay
J220	Motronic control unit, in plenum chamber, centre
J234	Airbag control unit
N80	Activated charcoal filter system solenoid valve 1
T4b	4-pin connector, near catalyst
T4c	4-pin connector, near catalyst
T6	6-pin connector, brown, in control unit protective housing, in plenum chamber, left
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T75	75-pin connector
T80	80-pin connector
A27	Connection (speed signal), in dash panel wiring harness
A125	Connection (crash signal), in dash panel wiring harness
-•-•-	Up to April 2001

Wiring Diagram VW GOLF 2009 - Fuel pump - fuel gauge sender - coolant shortage indicator sender

G	Fuel gauge sender
G6	Fuel pump
G32	Coolant shortage indicator sender
S228	Fuse in fuse box
S234	Fuse in fuse box
S243	Fuse in fuse box
T6	6-pin connector, brown, in control unit protective housing, in plenum chamber, left
T14a	14-pin connector, near battery
42	Earth point, next to steering columm
81	Earth connection -1-, in dash panel wiring harness
135	Earth connection -2-, in dash panel wiring harness
269	Earth connection (sender earth) -1-, in dash panel wiring harness
504	Screw connection -1- (87F), on relay plate
A99	Connection -1- (87), in dash panel wiring harness
A100	Connection -2- (87), in dash panel wiring harness
A151	Connection -4- (87), in dash panel wiring harness
E30	Connection (87a), in engine wiring harness
*	Only models with multi-function display
***	From May 2000
-••-	Up to April 2000

Wiring Diagram VW GOLF 2009 - Dash panel insert - oil pressure warning - speedometer sender - coolant temperature/coolant shortage warning lamp - alternator warning lamp

F1	Oil pressure switch
G22	Speedometer sender (Hall sender, on gearbox)
H3	Warning buzzer
J285	Control unit with display in dash panel insert
J533	Data bus diagnostic interface, in dash panel insert
K2	Alternator warning lamp
K3	Oil pressure warning lamp
K28	Coolant temperature/coolant shortage warning lamp
S7	Fuse in fuse box
T14a	14-pin connector, near battery
T32	32-pin connector, blue
T32a	32-pin connector, green
42	Earth point, next to steering columm
49	Earth point, on steering column
135	Earth connection -2-, in dash panel wiring harness
A13	Connection (door contact switch), in dash panel wiring harness
B163	Positive (+) connection -1- (15), in interior wiring harness
***	From May 2000

Wiring Diagram VW GOLF 2009 - Dash panel insert - fuel gauge - coolant temperature/coolant shortage - speedometer - exhaust emissions warning lamp - multi-function display - self-diagnosis connection

E86	Multi-function display call-up button
E109	Multi-function display, memory switch
G1	Fuel gauge
G3	Coolant temperature gauge
G5	Rev. counter
G17	Ambient temperature sensor
G21	Speedometer
J119	Multi-function display
J285	Control unit with display in dash panel insert
K83	Exhaust emissions warning lamp
K105	Reserve fuel warning lamp
T6e	6-pin connector
T16	16-pin connector, under dash panel, self-diagnosis connection
T32	32-pin connector, blue
T32a	32-pin connector, green
A27	Connection (speed signal), in dash panel wiring harness
A76	Connection (diagnosis wire K), in dash panel wiring harness
*	Only models with multi-function display

VW GOLF 2009 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 2009 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 2009

Earth strap, battery - body - Arrow A -

VW GOLF 2009 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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