VW POLO 2013 – Climatic, 2.0 l/85 kW Motronic (7. 5. 20), engine code BBX . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2013 - Battery - starter - alternator - voltage regulator

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
S164	Fuse 3 (30) in fuse holder on battery
S180	Fuse 8 (30) in fuse holder on battery
S267	Fuse 9 (30) in fuse holder on battery
T1e	Single pin connector, on starter
T2r	2-pin connector, near dual tone horn
T2s	2-pin connector, on alternator
T6k	6-pin connector, in left engine compartment
T11b	11-pin connector, in left engine compartment
T18a	18-pin connector, on onboard supply control unit
1	Earth strap, battery - body
507	Screw connection (30), on fuse holder on battery
621	Earth point, on onboard supply battery

Wiring Diagram VW POLO 2013 - Ignition/starter switch - X-contact relief relay - onboard supply control unit

D	Ignition/starter switch
E19	Parking light switch
J59	X-contact relief relay
J519	Onboard supply control unit
SA10	Fuse 10 on fuse holder A
T6o	6-pin connector, on X-contact relief relay
T8c	8-connector, on ignition/starter switch
T18a	18-pin connector, on onboard supply control unit
T41a	41-pin connector, on turn signal switch
238	Earth connection 1, in interior wiring harness
249	Earth connection 2, in interior wiring harness
278	Earth connection 4, in interior wiring harness
606	Earth point, under the centre console near selector lever
B162	Connection (75a), 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
B493	Connection (75x), in interior wiring harness

Wiring Diagram VW POLO 2013 - Fresh air blower switch - fresh air and air recirculation flap switch - fresh air blower series resistor with overheating fuse - fresh air blower - temperature sensor blower

E9	Fresh air blower switch
E159	Fresh air/air recirculation flap switch
G56	Dash panel temperature sensor
G143	Air recirculation flap control motor potentiometer
J301	Air conditioning system control unit
J519	Onboard supply control unit
K114	Fresh air and air recirculation warning lamp
L16	Fresh air regulator illumination bulb
N24	Fresh air blower series resistor with overheating fuse
SA36	Fuse 36 on fuse holder A
T2cc	2-pin connector, on fresh air blower
T4z	4-pin connector, on fresh air blower series resistor with overheating fuse
T5l	5-pin connector, on fresh air blower switch
T6aj	6-pin connector, on potentiometer for air recirculation flap control motor
T10d	10-pin connector, behind right dash panel
T18d	18-pin connector, on air conditioning system control unit
V2	Fresh air blower
V42	Temperature sensor blower
V154	Fresh air/recirculated air flap control motor
606	Earth point, under the centre console near selector lever
L5	Connection 1, in evaporator housing unit wiring harness
L7	Connection 3, in evaporator housing unit wiring harness
L31	Connection (5V), in air conditioning system wiring harness

Wiring Diagram VW POLO 2013 - Potentiometer for temperature flap control motor - centre vent temperature sender - footwell vent temperature sender - evaporator output temperature sender

E30	Air conditioning system switch
G92	Temperature flap control motor potentiometer
G191	Centre vent temperature sender
G192	Footwell vent temperature sender
G263	Evaporator out-flow temperature sender
G267	Potentiometer for temperature selection rotary knob
J301	Air conditioning system control unit
J519	Onboard supply control unit
K84	Air conditioning system warning lamp
T2bw	2-pin connector, on centre vent temperature sender
T2ca	2-pin connector, on footwell vent temperature sender
T2cb	2-pin connector, on evaporator output temperature sender
T6ai	6-pin connector, on temperature flap control motor
T18d	18-pin connector, on air conditioning system control unit
V68	Temperature flap control motor
L5	Connection 1, in evaporator housing unit wiring harness
L6	Connection 2, in evaporator housing unit wiring harness
L31	Connection (5V), in air conditioning system wiring harness

Wiring Diagram VW POLO 2013 - Control unit in dash panel insert - air conditioning system control unit - onboard supply control unit - dash panel insert

J285	Control unit in dash panel insert
J301	Air conditioning system control unit
J519	Onboard supply control unit
K	Dash panel insert
T3c	3-pin connector, in left engine compartment
T5d	5-pin connector, on onboard supply control unit
T8a	8-connector, on dash panel insert
T16c	16-pin connector, on air conditioning system control unit
T16e	16-pin connector, near relay station, self-diagnosis connection
T32a	32-pin connector, on dash panel insert
42	Earth point, next to steering column
279	Earth connection 5, in interior wiring harness
284	Earth connection 6, in interior wiring harness
285	Earth connection 7, in interior wiring harness
606	Earth point, under the centre console near selector lever
B188	Positive connection 5 (30), in interior wiring harness

Wiring Diagram VW POLO 2013 - Air conditioning system control unit - onboard supply control unit

J301	Air conditioning system control unit
J519	Onboard supply control unit
T11d	11-pin connector, in left engine compartment
T16c	16-pin connector, on air conditioning system control unit
T16e	16-pin connector, near relay station, self-diagnosis connection
T18b	18-pin connector, on onboard supply control unit
B231	Positive connection 5 (30a), in interior wiring harness
B506	Connection (convenience CAN bus, high), in interior wiring harness
B507	Connection (convenience CAN bus, low), in interior wiring harness

Wiring Diagram VW POLO 2013 - High pressure sender - air conditioning system control unit - onboard supply control unit - air conditioner compressor regulating valve

G65	High pressure sender
J301	Air conditioning system control unit
J519	Onboard supply control unit
N280	Air conditioning system compressor regulating valve
T2cf	2-pin connector, near dual tone horn
T2cg	2-pin connector, near compressor
T3u	3-pin connector, on high pressure sender
T11d	11-pin connector, in left engine compartment
T16b	16-pin connector, on onboard supply control unit
T16c	16-pin connector, on air conditioning system control unit
T16e	16-pin connector, near relay station, self-diagnosis connection
T18a	18-pin connector, on onboard supply control unit
167	Earth connection 4, in engine compartment wiring harness
B159	Connection (diagnosis), in interior wiring harness
B608	Connection 4, in interior wiring harness
D136	Connection 2 (15a), in engine compartment wiring harness

Wiring Diagram VW POLO 2013 - Radiator fan thermal switch - radiator fan control unit - radiator fan - radiator fan on right of radiator

F18	Radiator fan thermal switch
J293	Radiator fan control unit
J519	Onboard supply control unit
T3s	3-pin connector, on radiator fan
T3t	3-pin connector, on radiator fan thermal switch
T3v	3-pin connector, on radiator fan on right
T4aa	4-pin connector, on radiator fan control unit
T6ak	6-pin connector, on radiator fan control unit
V7	Radiator fan
V35	Right radiator fan
12	Earth point, on left in engine compartment
167	Earth connection 4, in engine compartment wiring harness
D168	Connection (fan stage 2), in engine compartment wiring harness
*	only models with 1.6l motor
**	only models with 2.0l motor

Wiring Diagram VW POLO 2013 - Radiator fan control unit - onboard supply control unit

E22	Intermittent wiper switch
J293	Radiator fan control unit
J519	Onboard supply control unit
SA16	Fuse 16 on fuse holder A
SA18	Fuse 18 on fuse holder A
SA26	Fuse 26 on fuse holder A
SA29	Fuse 29 on fuse holder A
T4aa	4-pin connector, on radiator fan control unit
T6ak	6-pin connector, on radiator fan control unit
T41a	41-pin connector, on turn signal switch
B163	Positive connection 1 (15), in interior wiring harness
D167	Connection (fan stage 1), in engine compartment wiring harness
*	only models with 1.6l motor
**	only models with 2.0l motor

VW POLO 2013 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-