VW FOX 2012 — 1.9 l — SDI/47 kW, engine code ASY . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW FOX 2012 - Battery - starter - alternator - voltage regulator - onboard supply control unit

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
">J519	">Onboard supply control unit
S162	Fuse 1 (30) in fuse holder on battery
S163	Fuse 2 (30) in fuse holder on battery
S178	Fuse 6 (30) in fuse holder on battery
S269	Fuse 11 (30) in fuse holder on battery
T1j	Single pin connector, on starter
T2ak	2-pin connector, in engine compartment
T2ar	2-pin connector, on alternator
T6g	6-pin connector, in left engine compartment
T11c	11-pin connector, in left engine compartment
T11e	11-pin connector, in left engine compartment
T18a	18-pin connector, on onboard supply control unit
">  1	">Earth strap, battery - body
">  49	">Earth point, near battery
507	Screw connection (30), on fuse holder on battery

Wiring Diagram VW FOX 2012 - Ignition/starter switch - onboard supply control unit

D	Ignition/starter switch
">J519	">Onboard supply control unit
R	Radio
SC2	Fuse 2 on fuse holder C
T8a	8-connector, on ignition/starter switch
T8f	8-connector, on radio
T16a	16-pin connector, diagnostic
T18a	18-pin connector, on onboard supply control unit
B188	Positive connection 5 (30), in interior wiring harness
B500	Connection (86s), in interior wiring harness
B590	Connection (K-diagnosis wiring), in interior wiring harness

Wiring Diagram VW FOX 2012 - X-contact relief relay - terminal 30 voltage supply relay - onboard supply control unit

J59	X-contact relief relay
J317	Terminal 30 voltage supply relay
">J519	">Onboard supply control unit
SB27	Fuse 27 on fuse holder B
SC8	Fuse 8 on fuse holder C
T3af	3-pin connector, in left engine compartment
T5n	5-pin connector, on onboard supply control unit
T6d	6-pin connector, on X-contact relief relay
T6u	6-pin connector, on onboard supply control unit
T9m	9-pin connector, on terminal 30 voltage supply relay
T16a	16-pin connector, diagnostic
T18a	18-pin connector, on onboard supply control unit
238	Earth connection 1, in interior wiring harness
">  606	">Earth point, under the centre console near selector lever
B171	Positive connection 3 (30), in interior wiring harness
B491	Positive connection (75), in interior wiring harness
B610	Connection 6, in interior wiring harness
B611	Connection 7, in interior wiring harness

Wiring Diagram VW FOX 2012 - Onboard supply control unit - engine control unit

">J519	">Onboard supply control unit
">J623	">Engine control unit
SB34	Fuse 34 on fuse holder B
SB44	Fuse 44 on fuse holder B
SB45	Fuse 45 on fuse holder B
T6g	6-pin connector, in left engine compartment
T11b	11-pin connector, in left engine compartment
T14a	14-pin connector, in left engine compartment
T121a	121-pin connector, on engine control unit
B146	Positive connection 1 (87), in interior wiring harness
D181	Connection 2 (87a), in engine compartment wiring harness

Wiring Diagram VW FOX 2012 - Brake fluid level warning contact - onboard supply control unit - engine control unit

F34	Brake fluid level warning contact
">J500	">Power steering control unit
">J519	">Onboard supply control unit
">J623	">Engine control unit
T2ai	2-pin connector, on brake fluid level warning contact
T4ad	4-pin connector, on power steering control unit
T11a	11-pin connector, in left engine compartment
T11e	11-pin connector, in left engine compartment
T14a	14-pin connector, in left engine compartment
T121a	121-pin connector, on engine control unit
">  12	">Earth point, on left in engine compartment
131	Earth 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
D191	Connection (speedometer sender), in engine compartment wiring harness

Wiring Diagram VW FOX 2012 - Glow plug relay - onboard supply control unit - engine control unit

J52	Glow plug relay
">J519	">Onboard supply control unit
">J623	">Engine control unit
SB30	Fuse 30 on fuse holder B
SB38	Fuse 38 on fuse holder B
SB40	Fuse 40 on fuse holder B
T6g	6-pin connector, in left engine compartment
T6t	6-pin connector, on glow plug relay
T11b	11-pin connector, in left engine compartment
T11c	11-pin connector, in left engine compartment
T121a	121-pin connector, on engine control unit
B163	Positive connection 1 (15), in interior wiring harness
B618	Positive connection 13 (30a), in interior wiring harness
D104	Positive connection 2 (30a), in engine compartment wiring harness

Wiring Diagram VW FOX 2012 - Intake manifold temperature sender - accelerator position sender - accelerator position sender 2 - onboard supply control unit

G72	Intake manifold temperature sender
G79	Accelerator position sender
G185	Accelerator position sender 2
">J519	">Onboard supply control unit
">J623	">Engine control unit
N18	Exhaust gas recirculation valve
T2cn	2-pin connector, on exhaust gas recirculation valve
T2co	2-pin connector, on intake manifold temperature sender
T6f	6-pin connector, on accelerator position sender
T11a	11-pin connector, in left engine compartment
T11b	11-pin connector, in left engine compartment
T14a	14-pin connector, in left engine compartment
T121a	121-pin connector, on engine control unit
D101	Connection 1, in engine compartment wiring harness
D182	Connection 3 (87a), in engine compartment wiring harness

Wiring Diagram VW FOX 2012 - Brake light switch - clutch pedal switch - brake pedal switch - onboard supply control unit - engine control unit

F	Brake light switch
F36	Clutch pedal switch
F47	Brake pedal switch
">J519	">Onboard supply control unit
">J623	">Engine control unit
T4l	4-pin connector, on clutch pedal switch
T4m	4-pin connector, on brake pedal switch
T4ae	4-pin connector, on intake manifold flap motor
T11a	11-pin connector, in left engine compartment
T11b	11-pin connector, in left engine compartment
T14a	14-pin connector, in left engine compartment
T121a	121-pin connector, on engine control unit
V157	Intake manifold flap motor
B131	Connection (54), in interior wiring harness
B599	Positive connection 3 (87a), in interior wiring harness

Wiring Diagram VW FOX 2012 - Engine speed sender - coolant temperature display sender - needle lift sender - onboard supply control unit - engine control unit

G28	Engine speed sender
G62	Coolant temperature display sender
G80	Needle lift sender
J365	Air conditioning system switch-off relay
">J519	">Onboard supply control unit
">J623	">Engine control unit
T2cp	2-pin connector, on needle lift sender
T2cq	2-pin connector, on coolant temperature display sender
T3a	3-pin connector, on engine speed sender
T9g	9-pin connector, on air conditioning system switch-off relay
T11e	11-pin connector, in left engine compartment
T121a	121-pin connector, on engine control unit
F27	Connection (screening), in diesel direct injection wiring harness

Wiring Diagram VW FOX 2012 - Fuel temperature sender - modulating piston movement sender - onboard supply control unit - commencement of injection valve - fuel shut-off valve

G81	Fuel temperature sender
G149	Modulating piston movement sender
">J519	">Onboard supply control unit
">J623	">Engine control unit
N108	Commencement of injection valve
N109	Fuel shut-off valve
N146	Metering adjuster (diesel injection)
T10c	10-pin connector, in engine compartment
T121a	121-pin connector, on engine control unit
F25	Connection 1, in diesel direct injection system wiring harness
F36	Connection (87a), in diesel direct injection system wiring harness

Wiring Diagram VW FOX 2012 - Speedometer sender - onboard supply control unit - engine glow plug

G22	Speedometer sender
">J519	">Onboard supply control unit
Q6	Engine glow plug
T2cr	2-pin connector, in left engine compartment
T3i	3-pin connector, on speedometer sender
T6g	6-pin connector, in left engine compartment
T11a	11-pin connector, in left engine compartment
T14a	14-pin connector, in left engine compartment
T18a	18-pin connector, on onboard supply control unit
156	Earth connection, in diesel direct injection wiring harness
B135	Positive connection 1 (15a), in interior wiring harness
B600	Positive connection 4 (87a), in interior wiring harness

Wiring Diagram VW FOX 2012 - Control unit in dash panel insert - onboard supply control unit - dash panel insert - alternator warning lamp - brake system warning lamp

">J285	">Control unit in dash panel insert
">J301	">Air conditioning system control unit
">J519	">Onboard supply control unit
K	Dash panel insert
K2	Alternator warning lamp
K118	Brake system warning lamp
SB42	Fuse 42 on fuse holder B
T8i	8-pin connector, behind the dash panel, right
T8j	8-pin connector, on air conditioning system control unit
T11c	11-pin connector, in left engine compartment
T16b	16-pin connector, on onboard supply control unit
T32a	32-pin connector, on dash panel insert
B147	Positive connection 2 (87), in interior wiring harness
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness
L76	Connection (87), in evaporator housing unit wiring harness

Wiring Diagram VW FOX 2012 - Oil pressure switch - fuel gauge sender - fuel gauge - rev. counter - control unit in dash panel insert - dash panel insert

F22	Oil pressure switch
G	Fuel gauge sender
G1	Fuel gauge
G5	Rev. counter
">J285	">Control unit in dash panel insert
">J519	">Onboard supply control unit
K	Dash panel insert
K3	Oil pressure warning lamp
K29	Glow period warning lamp
K36	Coolant shortage warning lamp
K43	Coolant temperature warning lamp (too cold)
K105	Reserve fuel warning lamp
K132	Electric power control fault lamp
SB28	Fuse 28 on fuse holder B
T1a	Single pin connector, on oil pressure switch
T2p	2-pin connector, on fuel gauge sender
T11c	11-pin connector, in left engine compartment
T14a	14-pin connector, in left engine compartment
T16a	16-pin connector, diagnostic
T32a	32-pin connector, on dash panel insert
285	Earth connection 7, in interior wiring harness
">  606	">Earth point, under the centre console near selector lever
B172	Positive connection 4 (30), in interior wiring harness
B207	Connection (convenience), in interior wiring harness

VW FOX 2012 ABS control unit J104

ABS control unit - J104 -

   

Location: –  in engine compartment, right -arrow-

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Designation of connector:

A  -	ABS control unit - J104 -

B  -	38-pin connector - T38a -

B  -	38-pin connector - T38b -

q	for models with EPS, ASR and ESP only

ABS control unit (right-hand drive) - J104 -

Location: –  in engine compartment, left -arrow-

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Designation of connector:

A  -	ABS control unit - J104 -

B  -	38-pin connector - T38a -

B  -	38-pin connector - T38b -

q	for models with EPS, ASR and ESP only

Heated driver seat control unit - J131 -

Location: –  under driver seat - arrow -

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Designation of connector:

A  -	Heated driver seat control unit - J131 -

B  -	8-pin connector - T8n -

Heated front passenger seat control unit - J132 -

Location: –  under front passenger seat - arrow -

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Designation of connector:

A  -	Heated front passenger seat control unit - J132 -

B  -	8-pin connector - T8m -

Heater control unit - J162 -

Location: –  Above the front centre console -arrow-

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Designation of connector:

A  -	Heater control unit - J162 -

B  -	16-pin connector - T16d -

C  -	5-pin connector - T5m -

Airbag control unit - J234 -

Location: –  under the centre console near selector lever -arrow-

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Designation of connector:

A  -	Airbag control unit - J234 -

B  -	75-pin connector - T75a -

Sliding sunroof adjustment control unit - J245 -

Location: –  before interior mirror, next to reading lights-arrow-

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Designation of connector:

A  -	Sliding sunroof adjustment control unit - J245 -

B  -	6-pin connector - T6x -

Control unit with display in dash panel insert - J285 -

Location: –  Near steering column, in dash panel insert -arrow-

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Designation of connector:

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

B  -	32-pin connector - T32a -

1  -	Immobilizer reader coil

2  -	Immobilizer reader coil

3  -	Terminal 15, ignition

4  -	Terminal 30

5  -	Right side lights

6  -

Vacant

7  -

Vacant

8  -	Terminal 31

9  -	Terminal 31 for sensors

10  -

Heated rear window

11  -

Vacant

12  -

Vacant

13  -

Vacant

14  -

CAN wake up

15  -

CAN Shield

16  -

CAN-Bus high

17  -

Terminal 58d

18  -

Fog lights

19  -

Rear fog light

20  -

Terminal 58

21  -

Handbrake warning switch

22  -

Brake fluid level sender

23  -

Fuel gauge sender

24  -

Seat belt warning system

25  -

Terminal 56a, main beam

26  -

Ambient temperature indicator sender

27  -

Left side lights

28  -

Coolant shortage indicator sender

29  -

Oil level sender

30  -

Speedometer sender

31  -

Rev. counter

32  -

Terminal CAN-Bus low

Radiator fan control unit - J293 -

Location: –  in engine compartment, left -arrow-

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Designation of connector:

A  -	Radiator fan control unit - J293 -

B  -	4-pin connector - T4am -

C  -	6-pin connector - T6al -

Air conditioning system control unit - J301 -

Location: –  Above the front centre console -arrow-

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Designation of connector:

A  -	Air conditioning system control unit - J301 -

B  -	16-pin connector - T16e -

C  -	5-pin connector - T5s -

D  -	18-pin connector - T18c -

Convenience system central control unit - J393 -

Location: –  Behind left dash panel, next to steering column -arrow-

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Designation of connector:

A  -	Convenience system central control unit - J393 -

B  -	12-pin connector -T12b -

C  -	23-pin connector -T23a -

D  -	12-pin connector -T12c -

Power steering control unit - J500 -

Location: –  in engine compartment, left -arrow-

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Designation of connector:

A  -	Power steering control unit - J500 -

B  -	4-pin connector - T4an -

C  -	3-pin connector - T3ai -

D  -	2-pin connector - T2cf -

Onboard supply control unit - J519 -

Location: –  Behind the dash panel, left- arrow -

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Designation of connector:

A  -	Onboard supply control unit - J519 -

B  -	16-pin connector - T16b -

C  -	6-pin connector - T6 -

D  -	18-pin connector - T18b -

E  -	6-pin connector - T6 -

F  -	18-pin connector - T18a -

G  -	6-pin connector - T6s -

H  -	5-pin connector - T5n -

I  -	5-pin connector - T5p -

J  -	6-pin connector - T6ad -

K  -	6-pin connector - T6y -

L  -	6-pin connector - T6ae -

Engine control unit (80-pin) - J623 -

Location: –  in engine compartment, left -arrow-

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Designation of connector:

A  -	Engine control unit (80-pin) - J623 -

B / C  -

80-pin connector - T80a -

Engine control unit (121-pin) - J623 -

Location: –  in left engine compartment (under radiator) -arrow-

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Designation of connector:

A  -	Engine control unit (121-pin) - J623 -

B / C  -

121-pin connector - T121a -

VW FOX 2012

Earth strap, battery - body -arrow A -

VW FOX 2012 Earth point, in engine compartment

Earth point, in engine compartment

1	Earth strap, battery - body

q	Location: → Reference

11	Earth point, in battery box

q	Location: → Reference

12	Earth point, on left in engine compartment

q	Location: → Reference

13	Earth point, on right in engine compartment

q	Location: . → Reference

49	Earth point, near battery

q	Location: → Reference

614	Earth point 2, on right in engine compartment

q	Location: → Reference

671	Earth point 1, on front of left longitudinal member

q	Location: → Reference

1 Earth strap, battery - body -arrow A -    49 Earth point, near battery -arrow B-

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11 Earth point, in battery box -arrow A-    671 Earth point 1 at front of left longitudinal member -arrow B-

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12 Earth point, in engine compartment, left -arrow-

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13 Earth point, in engine compartment, right -arrow-

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614 Earth point 2, in engine compartment, right -arrow-

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Earth points, in interior

605	Earth point, on top end of steering column

q	Location: → Reference

606	Earth point, under the centre console near selector lever

q	Location: → Reference

678	Earth point, under the centre console near selector lever

q	Location: → Reference

605 Earth point, on top end of steering column -arrow-

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606 Earth point, under the centre console near selector lever -arrows-

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678 Earth point in steering wheel -arrow-

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Earth points in rear part of vehicle

50	Earth points, on left in luggage compartment

q	Location: → Reference

50 Earth points, on left in luggage compartment -arrow-

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VW FOX 2012 Relay, behind left dash panel

Relay, behind left dash panel

Designation of relay: (up to April 2009 )

1 -	Mirror memory control unit -J267-

q	Colour: black

2 -	Mirror memory control unit -J267-

q	Colour: black

3 -	Fuel pump relay -J17-

q	Colour: black

4 -	Air conditioning system switch-off relay -J365-

q	Colour: black or blue

5 -	Glow plug relay -J52-

q	Colour: white

5 -	Fuel supply relay -J643-

q	Colour: grey

6 -	Dipped beam relay -J331-

q	Colour: black

7 -	Headlight main beam relay -J12-

q	Colour: black

8 -	Heated rear window control relay -J48-

q	Colour: blue

9 -	Automatic intermittent wash and wipe relay -J31-

q	Colour: red

10 -	Radiator fan 2nd speed relay -J101-

q	Colour: black

11 -	Fresh air blower and radiator fan relay -J209-

q	Colour: black

12 -	X-contact relief relay -J59-

q	Colour: grey

13 -	Dual tone horn relay -J4-

q	Colour: black

14 -	Relay for air conditioning system, diesel engine -J825-

q	Colour: black

15 -	Cold start device relay -J41-

q	Colour: black

q	for models with Total Flex engines only

Designation of relay: (from April 2009)

1 -	Mirror memory control unit -J267-

q	Colour: dark grey

2 -	Mirror memory control unit -J267-

q	Colour: dark grey

3 -	Fuel supply relay -J643-

q	Colour: grey

3 -	Voltage supply relay 1 -J701-

q	Colour: grey

4 -	Fuel pump relay -J17-

q	Colour: black

5 -	Air conditioning system switch-off relay -J365-

q	Colour: black or blue

6 -	Radiator fan 2nd speed relay -J101-

q	Colour: black

7 -	Dipped beam relay -J331-

q	Colour: black

8 -	Headlight main beam relay -J12-

q	Colour: black

9 -	Heated rear window control relay -J48-

q	Colour: blue

10 -	Automatic intermittent wash and wipe relay -J31-

q	Colour: red

11 -	Fresh air blower and radiator fan relay -J209-

q	Colour: black

12 -	X-contact relief relay -J59-

q	Colour: grey

13 -	Dual tone horn relay -J4-

q	Colour: black

14 -	Relay for air conditioning system, diesel engine -J825-

q	Colour: black

15 -	Cold start device relay -J41-

q	Colour: black

q	for models with Total Flex engines only

15 -	Terminal 30 voltage supply relay -J317-

q	Colour: grey

Relay above relay carrier

Designation of relay:

A -	Hazard warning light relay -J2 -

q	Colour: yellow

Fox Europa

1 -	Relay, behind left dash panel:

q	Designation of relay: → Reference

Relay, behind left dash panel

Designation of relay:

1 -	Daytime running lights relay, side and tail lights -J277-

q	Colour: black or grey

2 -	Daytime running lights relay, side and tail lights -J277-

q	Colour: black or grey

3 -	Glow plug relay -J52-

q	Colour: white

4 -	Fuel pump relay -J17-

q	Colour: grey

5 -	Headlight main beam relay -J12-

q	Colour: black

6 -

-Vazio-

q

Colour: -

7 -	Automatic gearbox relay -J60-

q	Colour: grey

8 -	Low heat output relay -J359-

q	Colour: grey

9 -	High heat output relay -J360-

q	Colour: black

10 -	Fresh air blower and radiator fan relay -J209-

q	Colour: black

11 -	X-contact relief relay -J59-

q	Colour: grey

12 -	Fuel supply relay -J643-

q	Colour: grey

13 -	Current supply relay -J16-

q	Colour: grey

13 -	Terminal 30 voltage supply relay -J317-

q	Colour: grey

13 -	Current supply relay for 4EV -J778-

q	Colour: grey

14 -	-Adaptador dos fusíveis do aquecimento-

q	Colour: black

15 -	Radiator fan 2nd speed relay -J101-

q	Colour: black