VW GOLF 2008 — Air conditioning system, 1.6l/74-76 kW Motronic (7.5.20), engine code BPA (malfunction indicator lamp) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW GOLF 2008 - Battery - starter - alternator - voltage regulator

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J226	Starter inhibitor and reversing light relay
J623	Engine control unit
S164	Fuse 3 (30) in fuse holder on battery
S176	Fuse 4 (30) in fuse holder on battery
S177	Fuse 5 (30) in fuse holder on battery
S180	Fuse 8 (30) in fuse holder on battery
T1a	Single pin connector, on the battery
T2o	2-pin connector, on alternator
T3r	3-pin connector, near battery
T4w	4-pin connector, near starter
T6b	6-pin connector, brown, on left in engine compartment
T9c	9-pin connector, on starter inhibitor and reversing light relay
T10b	10-pin connector, white, in left engine compartment
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
*	for models with automatic gearbox and starter inhibitor relay only
**	for models with manual gearbox, without starter inhibitor relay only

Wiring Diagram VW GOLF 2008 - Ignition/starter switch - X-contact relief relay

D	Ignition/starter switch
J17	Fuel pump relay
J59	X-contact relief relay
J226	Starter inhibitor and reversing light relay
SA10	Fuse 10 on fuse holder A
SA16	Fuse 16 on fuse holder A
SA25	Fuse 25 on fuse holder A
T8c	8-connector, on ignition/starter switch
T9c	9-pin connector, on starter inhibitor and reversing light relay
T10af	10-pin connector, behind centre dash panel
501	Screw connection 2 (30), on relay plate
503	Screw connection (75x), on relay plate
D50	Positive connection (30), in engine compartment wiring harness
D51	Positive connection 1 (15), 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
*	for models with automatic gearbox and starter inhibitor relay only
**	for models with manual gearbox, without starter inhibitor relay only

Wiring Diagram VW GOLF 2008 - Ambient temperature switch - radiator fan control unit - air conditioning system magnetic coupling

F38	Ambient temperature switch
J293	Radiator fan control unit
J623	Engine control unit
N25	Air conditioning system magnetic coupling
T2bq	2-pin connector, on front passenger seat head restraint lock contact switch
T2br	2-pin connector, on air conditioning system magnetic clutch
T4w	4-pin connector, near starter
T10af	10-pin connector, behind centre dash panel
T10b	10-pin connector, white, in left engine compartment
T10d	10-pin connector, orange, in left engine compartment
T14b	14-pin connector, on radiator fan control unit
D61	Connection (air conditioning system), in engine compartment wiring harness
D112	Connection 10, in engine compartment wiring harness

Wiring Diagram VW GOLF 2008 - Radiator fan control unit - fresh air blower - radiator fan

J293	Radiator fan control unit
T2bs	2-pin connector, on fresh air blower
T3x	3-pin connector, on radiator fan
T4ag	4-pin connector, on radiator fan control unit
T14b	14-pin connector, on radiator fan control unit
V2	Fresh air blower
V7	Radiator fan
D114	Connection 12, in engine compartment wiring harness
D115	Connection 13, in engine compartment wiring harness
D116	Connection 14, in engine compartment wiring harness

Wiring Diagram VW GOLF 2008 - High pressure sender - right radiator fan

G65	High pressure sender
SA5	Fuse 5 on fuse holder A
T3e	3-pin connector, on high pressure sender
T3y	3-pin connector, on radiator fan on right
T4w	4-pin connector, near starter
T10af	10-pin connector, behind centre dash panel
T16a	16-pin connector, diagnostic
V35	Right radiator fan
12	Earth point, on left in engine compartment
417	Earth connection 9, in engine compartment wiring harness
A20	Positive connection (15a), in dash panel wiring harness

Wiring Diagram VW GOLF 2008 - Fresh air blower switch - air conditioning system and heating button - fresh air and air recirculation flap switch - fresh air blower series resistor with overheating fuse

E9	Fresh air blower switch
E85	Air conditioning system and heating button
E159	Fresh air/air recirculation flap switch
N24	Fresh air blower series resistor with overheating fuse
K84	Air conditioning system warning lamp
K114	Fresh air and air recirculation warning lamp
L16	Fresh air regulator illumination bulb
T3u	3-pin connector, on fresh air and air recirculation flap control motor
T4ae	4-pin connector, on fresh air blower series resistor with overheating fuse
T6t	6-pin connector, on fresh air blower switch
T8l	8-pin connector, on fresh air and air recirculation flap switch
T10af	10-pin connector, behind centre dash panel
V154	Fresh air/recirculated air flap control motor
43	Earth point, lower part of right A-pillar
162	Earth connection, in blower motor wiring harness
A4	Positive connection (58b), in dash panel wiring harness
L2	Connection in air conditioning system wiring harness
L66	Connection, in heater blower wiring harness

Wiring Diagram VW GOLF 2008 - Radiator fan thermal switch - control unit in dash panel insert - dash panel insert - alternator warning lamp - digital display illumination bulb

F18	Radiator fan thermal switch
J285	Control unit in dash panel insert
K	Dash panel insert
K2	Alternator warning lamp
L75	Digital display illumination bulb
T3t	3-pin connector, on radiator fan thermal switch
T32a	32-pin connector, on control unit in dash panel insert
T32b	32-pin connector, on control unit in dash panel insert
SA11	Fuse 11 on fuse holder A

VW GOLF 2008 Relay plate, behind left dash panel

Relay plate, behind left dash panel

Relay description:

1 -

vacant

q

Colour: -

2 -	Cold start device relay -J41-

q	Colour: Black 1)

3 -	Starter inhibitor relay -J207-

q	Colour: grey

4 -	Fog light relay -J5-

q	Colour: grey

5 -	Multifunction steering wheel control unit -J453-

q	Colour: black

6 -	Multifunction steering wheel control unit -J453-

q	Colour: black

7 -	Mirror memory control unit -J267-

q	Colour: black

8 -	Mirror memory control unit -J267-

q	Colour: black

9 -

vacant

q

Colour: -

10 -	Secondary air pump relay -J299-

q	Colour: Black 2)

11 -	Starter inhibitor and reversing light relay -J226-

q	Colour: Grey 3)

q

11 -	Starter inhibitor relay 2 -J864-

q	Colour: Grey 4)

12 -	Terminal 30 voltage supply relay -J317-

q	Colour: Grey 5)

13 -	Ignition cut-off delay relay -J64-

q	Colour: Grey 6)

13 -	Electric drive main relay -J437-

q	Colour: Grey 7)

Note t  1) For vehicles with TotalFlex engines only t  2) For vehicles with 1.8l or 2.0l petrol engines only t  3) For vehicles with automatic 4-speed or 5-speed transmissions only t  4) For vehicles with automatic 6-speed transmissions only t  5) For vehicles with Diesel engines only t  6) For vehicles with 1.8l engines only t  7) For vehicles with 2.0l engines only

Relay on additional support under relay plate

Relay description:

1 -	Dual tone horn relay -J4-

q	Colour: grey

2 -	X-contact relief relay -J59-

q	Colour: black

3 -

vacant

q

Colour: -

4 -	Glow plug relay -J52-

q	Colour: Black 1)

4 -	Fuel pump relay -J17-

q	Colour: Black 2)

q	For vehicles with TotalFlex or petrol engines only

V -	Automatic intermittent wash and wipe relay -J31-

q	Colour: black

VI -	Automatic intermittent wash and wipe relay -J31-

q	Colour: black

Note t  1) For vehicles with Diesel engines only t  2) For vehicles with TotalFlex or petrol engines only

VW GOLF 2008 Engine control unit (80-pin) J623

Engine control unit (80-pin) -J623-

   

Location: –  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-

Engine control unit (121-pin) -J623-

Location: –  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-

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 -T4ag-

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

Automatic transmission control unit (6-speed transmission) -J217-

Location: –  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-

Automatic transmission control unit (4-speed or 5-speed transmission) -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 transmission control unit -T68b-

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 -T29a-

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 -T29b-

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 -T18c-

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 -T18d-

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 -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-

Convenience system central control unit -J393-

Location: –  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-

Multifunction steering wheel control unit -J453-

Location: –  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-

Control unit with display in dash panel insert -J285-

Location: –  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

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 -T75a-

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 -T47a-

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 -T16e-

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

Fresh air blower control unit -J126-

Location: –  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-

Control unit for interactive system -J879-

Location: –  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-

Control unit for lighting and wiper functions -J917-

Location: –  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-

Heated driver seat control unit -J131-

Location: –  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-

Heated front passenger seat control unit -J132-

Location: –  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-

Sliding sunroof adjustment control unit -J245-

Location: –  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-

Mirror memory control unit -J267-

Location: –  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-

VW GOLF 2008

Earth strap, battery - body - Arrow A -

VW GOLF 2008 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

671	Earth point 1, on front of left longitudinal member

q	Location: → Reference

1 Earth strap, battery - body - Arrow A -    12 earth connection in engine compartment, left -arrow C-    671 Earth point 1 at front of left longitudinal member -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 point on water deflector, centre- Arrow -

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609 Earth point on water deflector, centre - arrow -

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Earth points in passenger compartment

29	Earth point, near steering column

q	Location: → Reference

42	Earth point, next to steering column

q	Location: → Reference

43	Earth point, lower part of right A-pillar

q	Location: → Reference

44	Earth point, lower part of left A-pillar

q	Location: → Reference

605	Earth point, on top end of steering column

q	Location: → Reference

29 Earth connection near steering column -arrow-

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42 Earth point, next to steering column- arrow -

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

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

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605 Earth point, on top end of 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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