VW POLO 2010 – Airbag systems, (1MY),(1XA),(2ZR) . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2010 - Battery - Starter - Alternator - Voltage regulator - Onboard supply control unit

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J519	Onboard supply control unit
J623	Engine control unit
S162	Fuse 1 (30), in battery fuse holder
S163	Fuse 2 (30), in battery fuse holder
S269	Fuse 11 (30), in battery fuse holder
T1e	Single connector
T2r	2-pin connector, near dual-tone horns
T2s	2-pin connector
T3c	3-pin connector, on left in engine compartment
T6k	6-pin connector, on left in engine compartment
T11b	11-pin connector, on left in engine compartment
T12a	12-pin connector, on left in engine compartment
T18a	18-pin connector
1	Earth strap, battery - body
507	Threaded connection (30), on battery fuse holder

Wiring Diagram VW POLO 2010 - Ignition/starter switch - Onboard supply control unit

D	Ignition/starter switch
E19	Parking light switch
J59	X-contact relief relay
J519	Onboard supply control unit
T6o	6-pin connector
T8c	8-pin connector
T18a	18-pin connector
T41a	41-pin connector
B163	Positive connection 1 (15), in interior wiring harness
B165	Positive connection 2 (15), in interior wiring harness
B169	Positive connection 1 (30), in interior wiring harness
B172	Positive connection 4 (30), in interior wiring harness
B491	Positive connection (75), in interior wiring harness
B492	Positive connection 3 (15), in interior wiring harness

Wiring Diagram VW POLO 2010 - Onboard supply control unit

E1	Light switch
E22	Intermittent wiper switch
J519	Onboard supply control unit
SA10	Fuse 10 in fuse holder A
SA16	Fuse 16 in fuse holder A
SA20	Fuse 20 in fuse holder A
SA29	Fuse 29 in fuse holder A
T16e	16-pin connector
T17a	17-pin connector
T18a	18-pin connector
T41a	41-pin connector
B162	Connection (75a), in interior wiring harness
B170	Positive connection 2 (30), in interior wiring harness
B171	Positive connection 3 (30), in interior wiring harness
B188	Positive connection 5 (30), in interior wiring harness
B231	Positive connection 5 (30a), in interior wiring harness
*	Diagnostic connection

Wiring Diagram VW POLO 2010 - Control unit in dash panel insert - Onboard supply control unit - Dash panel insert - Airbag warning lamp

J285	Control unit in dash panel insert
J519	Onboard supply control unit
K	Dash panel insert
K75	Airbag warning lamp
T8a	8-pin connector
T16b	16-pin connector
T32a	32-pin connector
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness

Wiring Diagram VW POLO 2010 - Onboard supply control unit

J519	Onboard supply control unit
T16b	16-pin connector
T16e	16-pin connector
T18a	18-pin connector
42	Earth point, next to steering column
249	Earth connection 2, in interior wiring harness
278	Earth connection 4, in interior wiring harness
279	Earth connection 5, in interior wiring harness
284	Earth connection 6, in interior wiring harness
285	Earth connection 7, in interior wiring harness
286	Earth connection 8, in interior wiring harness
606	Earth point, under the centre console near gear stick
B159	Connection (diagnosis), in interior wiring harness
*	Diagnostic connection

Wiring Diagram VW POLO 2010 - Airbag coil connector and return ring with slip ring - Airbag control unit - Driver side airbag igniter - Front passenger side airbag igniter 1

F138	Airbag coil connector and return ring with slip ring
H	Horn plate
J234	Airbag control unit
N95	Driver side airbag igniter
N131	Front passenger side airbag igniter 1
T2ad	2-pin connector
T2ae	2-pin connector
T3f	3-pin connector
T8e	8-pin connector
T41a	41-pin connector
T50a	50-pin connector
109	Earth connection, in airbag wiring harness

VW POLO 2010 Engine control unit (80-pin) J623

–	near battery -arrow-

 

Designation of connector:

A -	Engine control unit -J623-

B/C -

80-pin connector, on engine control unit -T80a-

–  near battery -arrow-

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Designation of connector:

A -	Engine control unit -J623-

B/C -

121-pin connector, on engine control unit -T121a-

–  in engine compartment, bottom left -arrow-

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Designation of connector:

A -	Radiator fan control unit -J293-

B -	6-pin connector, on radiator fan control unit -T6ak-

C -	4-pin connector, on radiator fan control unit -T4aa-

–  in engine compartment, left -arrow-

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Designation of connector:

A -	Automatic gearbox control unit -J217-

B -	68-pin connector, on automatic gearbox control unit -T68a-

–  in engine compartment, centre -arrow-

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Designation of connector:

A -	Automatic gearbox control unit -J217-

B/C -

80-pin connector, on automatic gearbox control unit -T80b-

–  behind the door trim, front left -arrow-

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Designation of connector:

A -	Driver door control unit -J386-

B -	6-pin connector, on control unit driver door -T6y-

C -	8-pin connector, on control unit driver door -T8g-

–  behind the door trim, front right -arrow-

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Designation of connector:

A -	Front passenger door control unit -J387-

B -	8-pin connector, on control unit front passenger door -T8i-

–  behind the door trim, rear left -arrow-

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Designation of connector:

A -	Rear left door control unit -J388-

B -	8-pin connector, on door control unit, rear left -T8k-

–  behind the door trim, rear right -arrow-

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Designation of connector:

A -	Rear right door control unit -J389-

B -	8-pin connector, on door control unit, rear left -T8l-

–  in centre dash panel, under radio -arrow-

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Designation of connector:

A -	Heater control unit -J162-

B -	5-pin connector, on heater control unit -Vazio-

C -	16-pin connector, on heater control unit -T16h-

D -	18-pin connector, on heater control unit -Vazio-

–  in centre dash panel, under radio -arrow-

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Designation of connector:

A -	Air conditioning system control unit -J301-

B -	5-pin connector, on air conditioning system control unit -T5l/T5m-

C -	16-pin connector, on heater control unit -T16c-

D -	2-pin connector, on heater control unit -T2bo-

–  in centre dash panel, under radio -arrow-

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Designation of connector:

A -	Climatronic control unit -J255-

B -	20-pin connector, on Climatronic control unit -T20a-

C -	12-pin connector, on Climatronic control unit -T12j-

D -	16-pin connector, on Climatronic control unit -T16g-

–  near steering column -arrow-

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Designation of connector:

A -	Convenience system central control unit -J393-

B -	12-pin connector, on convenience system central control unit -T12b-

C -	23-pin connector, on convenience system central control unit -T23a-

D -	12-pin connector, on convenience system central control unit -T12c-

–  on steering wheel, left -arrow-

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Designation of connector:

A -	Operating unit in multifunction steering wheel -E221-

B -	6-pin connector, on multifunction steering wheel control unit -T6be-

–  on dash panel, left -arrow-

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Designation of connector:

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

B -	32-pin connector, on control unit with display in dash panel insert -T32a-

1 -	Immobilizer reader coil

2 -	Terminal 56al

3 -	Terminal 56bl

4 -

Vacant

5 -	Speed signal

6 -	Speedometer sender

7 -	Terminal CAN-Bus low

8 -	Terminal CAN-Bus high

9 -	Terminal CAN-Bus high (convenience)

10 -	Terminal CAN-Bus low (convenience)

11 -	Parking light switch

-	Turn signal switch

-	Headlight dipper/flasher switch

-	Intermittent wiper switch

-	Multifunction display call-up button

12 -	Parking light switch

-	Turn signal switch

-	Headlight dipper/flasher switch

-	Intermittent wiper switch

-	Multifunction display call-up button

13 -

Vacant

14 -

Vacant

15 -	Fuel gauge sender

16 -	Coolant shortage indicator sender

17 -	Immobilizer reader coil

18 -	Rear fog light

19 -

Vacant

20 -	Front left belt switch

21 -	Handbrake warning switch

22 -	Oil level warning contact

23 -	Oil pressure switch

24 -	Onboard supply control unit

25 -

Vacant

26 -

Vacant

27 -	Parking light switch

-	Turn signal switch

-	Headlight dipper/flasher switch

-	Intermittent wiper switch

-	Multifunction display call-up button

28 -

Vacant

29 -

Vacant

30 -	Windscreen washer fluid level sender

31 -	Ambient temperature sensor, sensor earth

32 -	Terminal 31

C -	8-pin connector, on control unit with display in dash panel insert -T8a-

1 -	Brake wear indicator

2 -

Vacant

3 -

Vacant

4 -	Terminal 58R, right parking light

5 -	Terminal 15a

6 -	Terminal 58L, left parking light

7 -	Terminal 30a

8 -	Terminal 31

–  under centre console -arrow-

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Designation of connector:

A -	Airbag control unit -J234-

B -	50-pin connector, on airbag control unit -T50a-

–  in engine compartment, right -arrow-

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Designation of connector:

A -	ABS control unit -J104-

B -	38-pin connector, on ABS control unit -T38a-

–  in engine compartment, right -arrow-

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Designation of connector:

A -	ABS control unit -J104-

B -	42-pin connector, on ABS control unit -T42a-

–  behind side trim, in left luggage compartment -arrow-

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Designation of connector:

A -	Parking aid control unit -J446-

B -	12-pin connector, on parking aid control unit -T12f-

C -	16-pin connector, on parking aid control unit -T16a-

–  behind side trim, in right luggage compartment -arrow-

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Designation of connector:

A -	Parking aid control unit -J446-

B -	12-pin connector, on parking aid control unit -T12f-

C -	16-pin connector, on parking aid control unit -T16a-

–  on blower box, centre right, near glove compartment -arrow-

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Designation of connector:

A -	Control and regulating unit for air conditioning system -J127-

B -	6-pin connector, on fresh air blower control unit -T6al-

–  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 -T16d-

–  next to left steering column -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 -T12k-

C -	16-pin connector, on control unit for lighting and wiper functions -T16i-

–  in engine compartment, left -arrow-

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Designation of connector:

A -	Power steering control unit -J500-

B -	3-pin connector, on heated driver seat control unit -Vazio-

C -	2-pin connector, on heated driver seat control unit -T2ct-

D -	4-pin connector, on heated driver seat control unit -T4ai-

–  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 -T6bb-

C -	6-pin connector, on sliding sunroof adjustment regulator -T6bc-

–  on relay plate, behind the 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 -T18c-

–  on relay plate, dash panel, left -arrow-

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Designation of connector:

A -	Onboard supply control unit -J519-

B -	16-pin connector, on onboard supply control unit -T16b-

1 -

Vacant

2 -	Terminal CAN-Bus low

3 -	Terminal CAN-Bus low

4 -

Vacant

5 -	Terminal CAN-Bus high

6 -	Terminal CAN-Bus high

7 -	Intermittent wiper switch

8 -	Intermittent wiper switch

9 -	Fuel supply relay

10 -	Left turn signal switch

11 -	Control unit with display in dash panel insert

12 -	Turn signal switch

13 -	Anti-theft alarm and vermin repellent system contact switch

14 -	Right turn signal

15 -	Terminal 30a

16 -	Left turn signal

C -	6-pin connector, on onboard supply control unit -T6q-

1 -

Vacant

2 -	Rear lid release switch

3 -	Luggage compartment light switch

4 -	Luggage compartment light switch

-	Luggage compartment light

5 -	Rear lid remote release button

6 -	Rear lid release switch

D -	18-pin connector, on onboard supply control unit -T18a-

1 -

Diagnosis

2 -	Terminal 75a

3 -	Rear right central locking lock unit

4 -	Front passenger side central locking lock unit

5 -	Terminal 30

6 -	Driver door open switch

7 -

Vacant

8 -	Terminal 31

9 -	Alternator

-	Voltage regulator

10 -

Vacant

11 -	terminal X

12 -	Terminal 15

13 -	Rear left central locking lock unit

14 -	Ignition/starter switch

15 -	Terminal 53c

16 -	Windscreen wiper motor

17 -	Horn activation contact ring

18 -	Wiper switch

E -	6-pin connector, on onboard supply control unit -Vazio-

F -	18-pin connector, on onboard supply control unit -T18b-

1 -	Terminal 31 (Export models only)

-	vacant (Brazil models only)

2 -

Vacant

3 -

Vacant

4 -

Vacant

5 -

Vacant

6 -

Vacant

7 -	Rain sensor

8 -	Rain sensor

9 -	Terminal CAN-Bus low (convenience)

10 -

Vacant

11 -	Rain sensor

12 -	Terminal CAN-Bus high (convenience)

13 -	Terminal 31 (Export models only)

-	vacant (Brazil models only)

14 -

Vacant

15 -

Vacant

16 -

Vacant

17 -	Starter motor relay

18 -

Vacant

G -	6-pin connector, on onboard supply control unit -T6c-

1 -

Vacant

2 -	Terminal 58d

3 -	Hazard warning light switch illumination

4 -	Heated rear window switch

5 -	Heated rear window switch illumination bulb

6 -	Hazard warning lights button

H -	5-pin connector, on onboard supply control unit -T5f-

1 -	Terminal 31

2 -	Horn or dual tone horn

3 -	Terminal 30a

4 -	Heated rear window

5 -	Terminal 30a

I -	5-pin connector, on onboard supply control unit -T5d-

1 -	Interior lights

2 -	Terminal 31a

3 -	Terminal 30a

4 -	Windscreen wiper motor

5 -	Windscreen wiper motor

J -	6-pin connector, on onboard supply control unit -T6t-

1 -	Mirror adjustment change-over switch

-	Mirror adjustment switch

2 -	Driver side heated exterior mirror

3 -

Vacant

4 -	Front passenger side heated exterior mirror

5 -

Vacant

6 -	Terminal 30a

K -	6-pin connector, on onboard supply control unit -T6m-

1 -	Terminal 30a

2 -

Vacant

3 -

Vacant

4 -	Terminal 30a

5 -

Vacant

6 -	Terminal 30

L -	6-pin connector, on onboard supply control unit -T6u-

1 -	Terminal 15a

2 -	Reversing light

3 -

Vacant

4 -

Vacant

5 -	Rear lid release motor

6 -	Terminal 30a

–  near interior lighting -arrow-

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Designation of connector:

A -	Mirror memory control unit -J347-

B -	8-pin connector, on mirror memory control unit -T8d-