VW POLO 2003 — Climatronic . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2003 - Air conditioning system control unit - photo sensor - potentiometer for air flow flap control motor - air flow flap control motor - temperature sensor blower

E159	Fresh air and air recirculation flap switch
G56	Dash panel temperature sensor
G107	Sunlight penetration photosensor
G113	Potentiometer for air flow flap control motor
J59	X-contact relief relay
J126	Fresh air blower control unit
J255	Climatronic control unit
J519	Onboard supply control unit
K114	Fresh air and air recirculation warning lamp
L16	Fresh air regulator illumination bulb
SB36	Fuse 36 on fuse holder B
T6s	6-pin connector
T6x	6-pin connector
T12	12-pin connector
T16f	16-pin connector
T20c	20-pin connector
V2	Fresh air blower
V42	Temperature sensor blower
V71	Air flow flap control motor
606	Earth point, under centre console near gearstick
A34	Connection (75x), in dash panel wiring harness
L5	Connection 1, in evaporator housing unit wiring harness
L31	Connection (5V), in air conditioning system wiring harness
*	Right-hand drive models to August 2003
**	Right-hand drive models from August 2003
***	Left-hand drive models from August 2003

Wiring Diagram VW POLO 2003 - Climatronic control unit - potentiometer for centre flap control motor - potentiometer for defroster flap control motor - potentiometer for temperature selection rotary knob

G112	Potentiometer for centre flap servomotor
G135	Potentiometer for defroster flap control motor
G267	Potentiometer for temperature selection rotary knob
J255	Climatronic control unit
J519	Onboard supply control unit
SB29	Fuse 29 on fuse holder B
T6u	6-pin connector
T6p	6-pin connector
T16f	16-pin connector
T20c	20-pin connector
V70	Centre flap control motor
V107	Defroster flap control motor
B150	Positive connection 2 (30a), in interior wiring harness
L5	Connection 1, in evaporator housing unit wiring harness
L31	Connection (5V), in air conditioning system wiring harness
*	From August 2003

Wiring Diagram VW POLO 2003 - Climatronic control unit - fresh air intake duct temperature sensor - vent temperature - potentiometer for temperature flap control motor - temperature flap control motor

G89	Fresh air intake duct temperature sensor
G92	Potentiometer for temperature flap control motor
G191	Centre vent temperature sender
G192	Footwell vent temperature sender
G263	Evaporator output temperature sender
J255	Climatronic control unit
J519	Onboard supply control unit
T2h	2-pin connector
T2i	2-pin connector
T2j	2-pin connector
T2m	2-pin connector
T6q	6-pin connector
T20c	20-pin connector
V68	Temperature flap control motor
L5	Connection 1, in evaporator housing unit wiring harness
L31	Connection (5V), in air conditioning system wiring harness
*	From August 2003

Wiring Diagram VW POLO 2003 - Air conditioning system control unit - Climatronic control unit - air conditioner compressor regulating valve

J255	Climatronic control unit
J519	Onboard supply control unit
N280	Air conditioning system compressor regulating valve
SB18	Fuse 18 on fuse holder
T2k	2-pin connector
T2l	2-pin connector
T11d	11-pin connector
T12	12-pin connector
T16f	16-pin connector
T18b	18-pin connector
82	Earth connection 1, in front left wiring harness
110	Earth connection 2, in dash panel wiring harness
606	Earth point, under centre console, near selector lever
A20	Positive connection (15a), in dash panel wiring harness
A146	Connection (convenience CAN bus, high), in dash panel wiring harness
A147	Connection (convenience CAN bus, low), in dash panel wiring harness

Wiring Diagram VW POLO 2003 - Onboard supply system control unit - fan control unit - thermal switch for cooling system circulation - high-pressure sender - fuses on battery

A	Battery
F18	Thermal switch for radiator fan
G65	High-pressure sender
J293	Radiator fan control unit
J519	Onboard supply control unit
S177	Fuse 5 (30), on fuse holder on battery
S180	Fuse 8 (30), on fuse holder on battery
S269	Fuse 11 (30), on fuse holder on battery
T3t	3-pin connector
T4t	4-pin connector
T6v	6-pin connector
82	Earth connection 1, in front left wiring harness
D155	Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Onboard supply control unit - radiator fan control unit - right radiator fan - radiator fan

J293	Radiator fan control unit
J519	Onboard supply control unit
T3i	3-pin connector
T3u	3-pin connector
T4t	4-pin connector
V7	Radiator fan
V35	Right fan for radiator
12	Earth point, on left in engine compartment
82	Earth connection 1, in front left wiring harness
D167	Connection (fan stage I), in engine compartment wiring harness
D168	Connection (fan stage II), in engine compartment wiring harness
*	Not with all levels of equipment

VW POLO 2003 Overview of relay carrier locations

Overview of relay carrier locations    

1 -	Relay carrier (15-pin)

q	Vehicles from November 2001

q	Fitting location → Chapter

q	Vehicles from May 2005

q	Fitting location → Chapter

q	Vehicles from May 2008

q	Fitting​ location​ → Chapter

Polo	Fitting Locations	No.  803 / 2

Relay carrier (15 slot), from November 2001

1 -	Driving school mode relay -746-

2 -	Not assigned

3 -	Glow plug relay -J52- (100)

3 -	Motronic current supply relay -J271- (103)

q	Only engine code AXU

4 -	Fuel pump relay -J17- (53)

q	Diesel engines

5 -	Warning lamps relay -J560- (449)

6 -	Headlight washer system -J39- (53)

7 -	Starter inhibitor relay -J207- (126)

8 -	Low heat output relay -J359- (53)

9 -	High heat output relay -J360- (100)

Polo	Fitting Locations	No.  803 / 3

10 -	Motronic current supply relay -J271- (100) or (429)

10 -	Current supply relay -J16- (429)

10 -	Current supply relay -J16- (53)

11 -	X-contact relief relay -J59- (18)

12 -	Fuel supply relay -J643- (404)

13 -	Fuel pump relay -J17- (167)

q	Petrol engines

14 -

Fuses

q	Only diesel

q	S276 - 40A

q	S277 - 40A

q	S278 - 40A

15 -	Diesel direct injection system relay -J317- (109)

Polo	Fitting Locations	No.  803 / 4

VW POLO 2003 Relay carrier (15 slot), from May 2005

Relay carrier (15 slot), from May 2005

1 -	Secondary air pump relay -J299-

q	Only engine code BJX

1 -	Folding exterior mirror control unit -J351- (361)

2 -	Folding exterior mirror control unit -J351- (361)

2 -	Driving school mode relay -J746-

3 -	Glow plug relay -J52- (103)

q	Diesel engines

q	Not engine code BLT

3 -	Motronic current supply relay -J271- (100)

q	Only engine code AXU

4 -	Fuel pump relay -J17- (53)

q	Diesel engines

5 -	Door warning lamps relay -J560- (449)

5 -	Brake light suppression relay -J508- (489)

q	November 2005 to November 2006

6 -	Headlight washer system relay -J39- (53)

Polo	Fitting Locations	No.  803 / 5

7 -	Dipped headlight control unit, on/off (coming home system) -J665- (449)

8 -	Low heat output relay -J359- (53)

q	Diesel engines

8 -	Coolant pump relay -J235- (53)

q	Only engine code BJX

9 -	High heat output relay -J360- (100)

q	Diesel engines

10 -	Motronic current supply relay -J271- (429)

q	Only engine codes BMD and BME

10 -	Radiator fan relay -J26- (53)

q	Only engine codes ASZ and BLT

11 -	X-contact relief relay -J59- (100)

12 -	Fuel supply relay -J643- (404)

q	Petrol engines

q	Only engine codes BMD and BXU

Polo	Fitting Locations	No.  803 / 6

13 -	Fuel pump relay -J17- (167)

q	Petrol engines

q	Not engine code AXU

14 -

Fuses

q	Diesel engines

q	S276 - Heater element fuse 1 - 40A

q	S277 - Heater​ element​ fuse​ 2 - 40A

q	S278 - Heater​ element​ fuse​ 3 - 40A

15 -	Terminal 30 voltage supply relay -J317- (109)/(643)

q	Diesel engines

q	Petrol engines with engine code BJX or BUD

15 -	Starter inhibitor relay -J207- (53)

q	Petrol engines

q	Only engine code BKY with automatic gearbox

15 -	Motronic current supply relay -J271- (109)

q	Only engine codes BUD and BTS

15 -	Fuel pump relay -J17- (167)/(447)

q	Only engine codes BMD and BME

Polo	Fitting Locations	No.  803 / 7

VW POLO 2003 Relay carrier (15 slot), from May 2008

Relay carrier (15 slot), from May 2008

1 -	Secondary air pump relay -J299- (100)

q	Only engine code BJX

1 -	Folding exterior mirror control unit -J351- (361)

2 -	Folding exterior mirror control unit -J351- (361)

2 -	Driving school mode relay -J746- (467)

3 -	Glow plug relay -J52- (100)

q	Diesel engines

q	Only engine codes AXR, BNV, BNM

4 -	Fuel pump relay -J17- (53)

q	Diesel engines

q	Petrol engines ¹)

5 -	Not assigned

6 -	Headlight washer system relay -J39- (53)

¹) Gradual introduction in model year 2008

Polo	Fitting Locations	No.  803 / 8

7 -	Dipped headlight control unit, on/off (coming home system) -J665- (456)

8 -	Low heat output relay -J359- (53)

q	Diesel engines

9 -	High heat output relay -J360- (100)

q	Diesel engines

10 -	Motronic current supply relay -J271- (429)

q	Only engine codes BBM, BZG

10 -	Radiator fan relay -J26- (53)

q	Only engine codes ASZ, BLT

11 -	X-contact relief relay -J59- (100)

12 -	Fuel supply relay -J643- (404)

q	Only engine codes BTS, BUD, BZG

Polo	Fitting Locations	No.  803 / 9

13 -	Fuel pump relay -J17- (53)

q	Petrol engines ¹)

14 -

Fuses

q	Diesel engines

q	S276 - Heater element fuse 1 - 40A

q	S277 - Heater​ element​ fuse​ 2 - 40A

q	S278 - Heater​ element​ fuse​ 3 - 40A

15 -	Terminal 30 voltage supply relay - J317 (643)

q	Diesel engines

15 -	Motronic current supply relay -J271- (643)

q	Petrol engines

q	Not engine codes BUD, BTS

¹) Discontinued with gradual introduction in model year 2008

VW POLO 2003 Overview of control units

Overview of control units    

1 -	Convenience system central control unit -J393-

q	Fitting location → Page 804/5

q	Connectors → Page 804/6

2 -	Control unit in dash panel insert -J285-

q	Connector T32a → Page 804/7

q	Connector T8c → Page 804/9

3 -	Rear right door control unit -J389-

q	To November 2007, Fitting Locations → Page 804/10

q	From November 2007, Fitting Locations → Page 804/11

4 -	Sliding sunroof adjustment control unit -J245-

q	⇒ Workshop manual; Body; General body repairs, exterior; Repair group 60

5 -	Parking aid control unit -J446-

q	Fitting location → Page 804/12

q	Connectors → Page 804/13

6 -	Fuel pump control unit -J538-

q	Fitting location → Page 804/14

Polo	Fitting Locations	No.  804 / 2

7 -	Rear left door control unit -J388-

q	To November 2007, Fitting Locations → Page 804/15

q	From November 2007, Fitting Locations → Page 804/16

8 -	Driver door control unit -J386-

q	To November 2007, Fitting Locations → Page 804/15

q	From November 2007, Fitting Locations → Page 804/16

9 -	Heated driver seat control unit -J131- or heated front seats control unit -J774-

q	Heated driver seat control unit -J131-

q	Fitting location → Page 804/17

q	Heated front seats control unit -J774-

q	Fitting location → Page 804/17

10 -	Folding exterior mirror control unit -J351-

q	⇒ Fitting locations; Relay assignment; Relay carrier (15 slot) page 803/2 position -1-2-

11 -	Dipped headlight control unit, on/off (Coming home system) -J665-

q	⇒ Fitting locations; Relay assignment; Relay carrier (15 slot) page 803/3 position -7-

Polo	Fitting Locations	No.  804 / 3

12 -	Onboard supply control unit -J519-

q	Fitting location → Page 804/18

q	Connectors → Page 804/19

13 -	Climatronic control unit -J255-

q	⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87

14 -	Air conditioning system control unit -J301-

q	⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87

15 -	Airbag control unit -J234-

q	Fitting location → Page 804/20

q	Connector, models with no side airbag → Page 804/21

q	Connector, models with side airbag → Page 804/22

16 -	Mobile telephone operating electronics control unit -J412-

q	Fitting location → Page 804/23

q	Connectors → Page 804/24

17 -	Fresh air blower control unit -J126-

q	⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87

Polo	Fitting Locations	No.  804 / 4

18 -	Front passenger door control unit -J387-

q	To November 2007, Fitting Locations → Page 804/10

q	From November 2007, Fitting Locations → Page 804/11

19 -	Heated front passenger seat control unit -J132-

q	Fitting location → Page 804/17

q	Discontinued from November 2005

20 -	Control unit with display for radio and navigation system -J503-

q	⇒ Workshop manual; Vehicle electrics; Communication; Repair group 91

Polo	Fitting Locations	No.  804 / 5

Convenience system central control unit -J393- Fitting location: Under dash panel ⇒ Position 2

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 6

Connectors convenience system central control unit -J393-

A -	Convenience system central control unit

Multi-pin connections:

B -	Connector -T12i-

q

Brown

C -	Connector -T23-

D -	Connector -T12c-

q

Black

Polo	Fitting Locations	No.  804 / 7

VW POLO 2003 32-pin connector,T32a, on dash panel insert -J285- 32-pin connector,T32a, on dash panel insert -J285-  -  30  -  1 - Immobilizer reader coil  -  2 - Main beam warning lamp  -  3 - Dipped beam warning lamp  -  4 - Vacant  -  5 - Speed signal-output  -  6 - Speed signal-input  -  7 - CAN l (engine)  -  8 - CAN h (engine)  -  9 - CAN l (convenience)  -  10 - CAN h (convenience)  -  11 - Multifunction display  -  12 - Multifunction display  -  13 - Vacant  -  14 - Vacant  -  15 - Fuel gauge sender

Polo	Fitting Locations	No.  804 / 8

-  16 - Coolant shortage indicator sender  -  17 - Immobilizer reader coil  -  18 - Rear fog light warning lamp  -  19 - Fog light warning lamp  -  20 - Belt switch warning lamp  -  21 - Handbrake warning  -  22 - Brake fluid level warning contact  -  23 - Oil pressure switch  -  24 - Wake-up  -  25 - Vacant  -  26 - Vacant  -  27 - Multifunction display  -  28 - Vacant  -  29 - Vacant  -  30 - Windscreen washer fluid level sender  -  31 - Ambient temperature sensor  -  32 - Terminal 31 for sender-output

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 9

VW POLO 2003 8-pin connector, T8c, on dash panel insert -J285- 8-pin connector, T8c, on dash panel insert -J285-  -  1 - Brake pad warning lamp  -  2 - Vacant  -  3 - Vacant  -  4 - Right parking light  -  5 - Terminal 15 - input  -  6 - Left parking light  -  7 - Terminal 30 - input  -  8 - Terminal 31 - input

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 10

VW POLO 2003 Right door control unit, to November 2007

Right door control unit, to November 2007

Front passenger door control unit -J387-

A -	Front passenger door control unit

Multi-pin connections:

B -	Connector -T8i-

C -	Not assigned

Rear right door control unit -J389-

A -	Rear right door control unit

Multi-pin connections:

B -	Connector -T8k-

C -	Not assigned

Polo	Fitting Locations	No.  804 / 11

VW POLO 2003 Right door control unit, from November 2007

Right door control unit, from November 2007

Front passenger door control unit -J387-

A -	Front passenger door control unit

Multi-pin connections:

B -	Connector -T16f-

Rear right door control unit -J389-

A -	Rear right door control unit

Multi-pin connections:

B -	Connector -T16h-

Polo	Fitting Locations	No.  804 / 12

VW POLO 2003 Parking aid control unit -J446- Parking aid control unit -J446- Fitting location: On right behind luggage compartment side trim 1 -  Parking aid control unit -J446- 2 -  Rear parking aid warning buzzer -H15- A -  16-pin connector -T16d- B -  12-pin connector -T12n- C -  2-pin connector -T2aa-

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 13

Connectors for parking aid control unit -J446-

A -	Parking aid control unit

Connectors:

B -	Connector -T12n-

C -	Not assigned

D -	Connector -T16d-

Polo	Fitting Locations	No.  804 / 14

VW POLO 2003 Fuel pump control unit -J538-

Fuel pump control unit -J538-

Fitting location:

Under rear bench seat ⇒ -arrow-

Polo	Fitting Locations	No.  804 / 15

VW POLO 2003 Left door control unit, to November 2007

Left door control unit, to November 2007

Driver door control unit -J386-

A -	Driver door control unit

Multi-pin connections:

B -	Pin connector -T8h-

C -	Connector -T6aa-

Rear left door control unit -J388-

A -	Rear left door control unit

Multi-pin connections:

B -	Connector -T8j-

C -	Not assigned

Polo	Fitting Locations	No.  804 / 16

VW POLO 2003 Left door control unit, from November 2007

Left door control unit, from November 2007

Driver door control unit -J386-

A -	Driver door control unit

Multi-pin connections:

B -	Connector -T16e-

Rear left door control unit -J388-

A -	Rear left door control unit

Multi-pin connections:

B -	Connector -T16g-

Polo	Fitting Locations	No.  804 / 17

VW POLO 2003 Heated driver seat control unit -J131- Heated driver seat control unit -J131- Fitting location: On driver seat frame ⇒ -arrow- VW POLO 2003 Heated front passenger seat control unit -J132- Heated front passenger seat control unit -J132- Fitting location: On seat frame, front passenger side ⇒ -arrow-   Notes: t  Illustration shows driver side. The front passenger side is similar. t  Heated driver seat control unit - J131 - or Heated front passenger seat control unit - J132 - will be discontinued from November 2005 and will be replaced by Heated front seats control unit - J774

Unlock Lifetime Access for This Car.

VW POLO 2003 Heated front seats control unit -J774- Heated front seats control unit -J774- Fitting location: On driver seat frame ⇒ -arrow-   Note: The Heated front seats control unit -J774- will replace from November 2005 the heated driver seat control unit -J131- and the heated front passenger seat control unit -J132-

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 18

VW POLO 2003 Onboard supply control unit -J519-

Onboard supply control unit -J519-

Fitting location:

Under dash panel ⇒ Position 1

Polo	Fitting Locations	No.  804 / 19

Connectors on onboard supply control unit -J519-

XP1 - Connector -T6o-

t

Black

XP2 - Connector -T6j-

t

Brown

XP3 - Connector -T6x-

t

White

XP4 - Connector -T5a-

t

Black

XP5 - Connector -T5c-

t

Brown

XS1 - Connector -T6c-

t

Black

XS2 - Connector -T18b-

t

Black

XS3 - Connector -T6y-

t

Brown

XS4 - Connector -T18a-

t

Brown

XS5 - Connector -T6k-

t

Red

XS6 - Connector -T16a-

t

Black

Polo	Fitting Locations	No.  804 / 20

VW POLO 2003 Airbag control unit -J234- Airbag control unit -J234- Fitting location: Under centre console at front ⇒ -arrow-   Note: Earth connection via housing for vehicle earth!

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 21

Connectors on airbag control unit -J234- Models with no side airbag

A -	Airbag control unit

Pin connector:

B -	Connector -T50-

Polo	Fitting Locations	No.  804 / 22

Connectors on airbag control unit -J234- Models with no side airbag

A -	Airbag control unit

Pin connector:

B -	Connector -T75-

Polo	Fitting Locations	No.  804 / 23

VW POLO 2003 Mobile telephone operating electronics control unit -J412- Mobile telephone operating electronics control unit -J412- Fitting location: On right A-pillar

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  804 / 24

A -	Mobile telephone operating electronics control unit

Multi-pin connections:

B -	Connector -T18-

C -	Connector -T20a-

q	Connection for cable to mobile phone

VW POLO 2003 Overview of all earth points

Overview of all earth points    

671 -

Earth point 1, on front of left longitudinal member

q	Fitting location → Page 801/3

12 -	Earth point, on left in engine compartment

q	Fitting location → Page 801/3

652 -

Earth point, engine and gearbox earth

q	Fitting location → Page 801/4

11 -	Earth point, in battery box

q	Fitting location → Page 801/4

640 -

Earth point 2, in engine compartment

q	Fitting location → Page 801/4

29 -	Earth point, on left in engine compartment, behind battery

q	Fitting location → Page 801/4

606 -

Earth point, under centre console, near selector lever

q	Fitting location → Page 801/6

61 -	Earth point, on left C-pillar

q	Fitting location → Page 801/4

Polo	Fitting Locations	No.  801 / 2

14 -	Earth point, on gearbox (depends on equipment)

q	Fitting location → Page 801/3

13 -	Earth point, on right in engine compartment

q	Fitting location → Page 801/5

15 -	Earth point, on cylinder head (depends on equipment)

q	Fitting location → Page 801/5

614 -

Earth point 2, on right in engine compartment

q	Fitting location → Page 801/5

610 -

Earth point (audio), at front under centre console

q	Fitting location → Page 801/6

637 -

Earth point, airbag control unit

q	Fitting location → Page 801/6

Polo	Fitting Locations	No.  801 / 3

Earth point, in engine compartment 671 - Earth point 1, on front of left longitudinal member   Note: Discontinued, from 2006

Unlock Lifetime Access for This Car.

12 - Earth point, on left in engine compartment 14 - Earth point, on gearbox   Note: Depends on equipment

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  801 / 4

652 - Earth point for engine and gearbox earth 11 - Earth point, in battery box 640 - Earth point 2, in engine compartment

Unlock Lifetime Access for This Car.

29 - Earth point, on left in engine compartment behind battery 61 - Earth point, left C-pillar

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  801 / 5

13 - Earth point, on right in engine compartment   Note: Discontinued, from 2006

Unlock Lifetime Access for This Car.

614 - Earth point 2, on right in engine compartment 15 - Earth point, on cylinder head   Note: Depends on equipment

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  801 / 6

VW POLO 2003 Earth points, in interior Earth points, in interior 637 - Earth point, airbag control unit   Note: Earth connection via housing for vehicle earth! 610 - Earth point (audio), under front of centre console   Note: Discontinued from November 2006 606 - Earth point, under centre console near gear stick

Unlock Lifetime Access for This Car.

VW POLO 2003

VW POLO 2003 Coupling station rear lid

Coupling station rear lid

Fitting location:

On left C-pillar

1 -	5-pin connector, vacant

2 -	5-pin connector -T5b-, brown

3 -	5-pin connector -T5e-, black

 

VW POLO 2003 coupling station heater, air conditioning system coupling station heater, air conditioning system Fitting location: Near fresh air blower 1 -  2-pin connector -T2i-, black 2 -  10-pin connector -T10c-, black 3 -  2-pin connector -T2-, black

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  806 / 4

VW POLO 2003 Coupling station driver seat Coupling station driver seat Fitting location: under seat 1 -  Vacant 2 -  Connector -T6z- 3 -  Connector -T6g- 4 -  Vacant 5 -  Connector -T3p- 6 -  Connector -T12g- 7 -  Connector -T4a-

Unlock Lifetime Access for This Car.

VW POLO 2003 coupling station front passenger seat coupling station front passenger seat Fitting location: under seat 1 -  Vacant 2 -  Vacant 3 -  Connector -T6d- 4 -  Vacant 5 -  Connector -T3r- 6 -  Vacant 7 -  Connector -T4c-

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  806 / 5

VW POLO 2003 Coupling station bulkhead (14-pin)

Coupling station bulkhead (14-pin)

Pin connector:

A -	Connector -T8x-

q

Orange

B -	Connector -T6n-

q

Blue

C -	Connector -T6r-

q

Brown

D -	Connector -T11a-

q

White

E -	Connector -T6v-

q

Green

F -	Connector -T3a-

q

Grey

G -	Connector -T6q-

q

Red

Polo	Fitting Locations	No.  806 / 6

H -	Not assigned

I -	Connector -T11c-

q

Blue

K -	Connector -T11b-

q

Red

L -	Connector -T11d-

q

Brown

M -	Connector -T9a-

q

Yellow

N -	Connector -T6w-

q

Orange

P -	Connector -T12a-

q

White

Polo	Fitting Locations	No.  806 / 7

VW POLO 2003 Coupling station left in engine compartment Coupling station left in engine compartment Fitting location: t  Near suspension tower 1 -  2-pin connector -T2g-, glow plugs (engine codes ASY, AXR AMF, ASZ) 2 -  14-pin connector -T14-, black

Unlock Lifetime Access for This Car.

VW POLO 2003 Coupling station, on right in engine compartment Coupling station, on right in engine compartment Fitting location: t  Near suspension tower 1 -  2-pin connector, charge pressure control solenoid valve* 2 -  2-pin connector, activated charcoal filter system solenoid valve* 3 -  2-pin connector, coolant shortage indicator sender * 4 -  6-pin connector, Lambda probe before catalytic converter* 5 -  2-pin connector, temperature sensor after DPF* 6 -  2-pin connector, temperature sensor before DPF* 7 -  2-pin connector, exhaust gas temperature sensor* * -  Not with all levels of equipment

Unlock Lifetime Access for This Car.

VW POLO 2003 Overview of all control units

Overview of all control units    

1 -	ABS control unit with EDL -J104-

q	Fitting location → Chapter

2 -	Automatic gearbox control unit -J217-

q	Fitting location → Chapter

3 -	Glow plug activation control unit -J370-

q	Fitting location → Chapter

3 -	Automatic glow period control unit -J179-

q	Fitting location → Chapter

4 -	Power steering control unit -J500-

q	Fitting location → Chapter

5 -	Radiator fan control unit -J293-

q	Fitting location → Chapter

6 -	Engine control units -J248- , -J623- , -J361- , -J220- , -J687- , -J537-

q	Fitting location → Chapter

7 -	NOx sensor control unit -J583-

q	Fitting location → Chapter

Polo	Fitting Locations	No.  805 / 2

ABS control unit -J104- Fitting location: On right of bulkhead in engine compartment ⇒ -1-

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 3

Connectors for ABS control unit -J104-

A -	ABS control unit

Connector:

B -	Connector -T38-

Polo	Fitting Locations	No.  805 / 4

Connectors for ABS control unit -J104-

A -	ABS control unit

Connector:

B -	Connector -T47-

Polo	Fitting Locations	No.  805 / 5

VW POLO 2003 Glow plug activation control unit -J370- / automatic glow period control unit -J179- Fitting location: front left in engine compartment Pin assignment in relay: 1 -  Output glow plug 2 -  Output glow plug 3 -  Output glow plug 4 -  Output glow plug 5 -  Not assigned 6 -  Terminal 15 7 -  Terminal 31 8 -  Not assigned 9 -  Activation 10 -  Activation 11 -  Terminal 30

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 6

VW POLO 2003 Automatic gearbox control unit -J217- Automatic gearbox control unit -J217- Fitting location: in engine compartment before battery

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 7

Connectors for automatic gearbox control unit -J217-

A -	Automatic gearbox control unit -J217-

Connector:

B -	Connector -T68-

Polo	Fitting Locations	No.  805 / 8

VW POLO 2003 Power steering control unit -J500- Power steering control unit -J500- Fitting location: In engine compartment, on front of left longitudinal member 1 -  Connector -T4r- 2 -  Connector -T2a- 3 -  Connector, depends on equipment -T3s- or -T4s- 4 -  Engine pump unit

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 9

VW POLO 2003 Radiator fan control unit -J293- Radiator fan control unit -J293- Fitting location: Front left in engine compartment ⇒ -arrow A-

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 10

VW POLO 2003 NOx sensor control unit -J583- NOx sensor control unit -J583- Fitting location: Under vehicle, near catalytic converter ⇒ -arrow- A -  10-pin connector, black (T10) B -  14-pin connector, black (T14x)

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 11

VW POLO 2003 Engine control unit - J... Engine control unit - J... Fitting location: On left of bulkhead ⇒ -arrow-

Unlock Lifetime Access for This Car.

Polo	Fitting Locations	No.  805 / 12

Engine control unit - J...   Note: Note: see respective current flow diagram for engine control unit.

-	80-pin connector*

t	Note Connector T80 comprises a 52-pin and a 28-pin connector.

t	* Depending on equipment

t	Connector 121, see 207/12

t	Connector T94 and T60, see 207/13

Polo	Fitting Locations	No.  805 / 13

Engine control unit - J...   Note: Note: see respective current flow diagram for engine control unit.

A -	Engine control unit, 121-pin

Connectors:

B -	81-pin connector

C -	40-pin connector

Note Connector T121 comprises an 81-pin connector and a 40-pin connector.

Polo	Fitting Locations	No.  805 / 14

Engine control unit - J...   Note: Note: see respective current flow diagram for engine control unit.

A -	Engine control unit, 154-pin

Connectors:

B -	94-pin connector

C -	60-pin connector

Note Connector T154 comprises a 94-pin and a 60-pin connector.