VW POLO 2004 — Fuse concept . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2004 - Fuse 2 (30) in fuse holder on battery - fuse 31 - 35 - 38 - 39 - 53 on fuse holder B

J245	Sliding sunroof adjustment control unit
J386	Driver side door control unit
J387	Front passenger door control unit
J388	Rear left door control unit
J389	Rear right door control unit
J519	Onboard supply control unit
S163	Fuse 2 (30) in fuse holder on battery
SB31	Fuse 31 on fuse holder B
SB35	Fuse 35 on fuse holder B
SB38	Fuse 38 on fuse holder B
SB39	Fuse 39 on fuse holder B
SB53	Fuse 53 on fuse holder B
T3a	3-pin connector, grey, on left of bulkhead
T4m	4-pin connector, black, on left A-pillar
T4n	4-pin connector, black, on right A-pillar
T4o	4-pin connector, black, on left B-pillar
T4p	4-pin connector, black, on right B-pillar
T6	6-pin connector
T8h	8-pin connector
T8i	8-pin connector
T8j	8-pin connector
T8k	8-pin connector
A32	Positive connection (30), in dash panel wiring harness
A40	Positive connection 1 (30), in dash panel wiring harness
B170	Positive connection 2 (30), in interior wiring harness

Wiring Diagram VW POLO 2004 - Fuse 8 - 24 - 26 - 33 - 34 on fuse holder B

F	Brake light switch
H12	Alarm horn
J519	Onboard supply control unit
SB8	Fuse 8 on fuse holder B
SB24	Fuse 24 on fuse holder B
SB33	Fuse 33 on fuse holder B
SB34	Fuse 34 on fuse holder B
SB26	Fuse 26 on fuse holder B
T6o	6-pin connector, black
T6x	6-pin connector, white
U5	12 V socket
A52	Positive connection 2 (30), in dash panel wiring harness
B169	Positive connection 1 (30), in interior wiring harness
B170	Positive connection 2 (30), in interior wiring harness

Wiring Diagram VW POLO 2004 - Fuse 27 - 28 - 29 on fuse holder B

E267	Interior monitoring deactivation switch
G85	Steering angle sender
J255	Climatronic control unit
J285	Control unit in dash panel insert
J301	Air conditioning system control unit
J412	Mobile telephone operating electronics control unit
J519	Onboard supply control unit
J560	Door warning lamp relay
J602	Interior light relay
SB27	Fuse 27 on fuse holder B
SB28	Fuse 28 on fuse holder B
SB29	Fuse 29 on fuse holder B
T6j	6-pin connector, brown
T8c	8-pin connector
T16b	16-pin connector, diagnosis connection
T16e	16-pin connector
T16f	16-pin connector
T18	18-pin connector
T41	41-pin connector, on steering column switch
W1	Front interior light
W14	Front passenger side illuminated vanity mirror
W18	Luggage compartment light on left
W20	Driver side illuminated vanity mirror
W43	Rear interior light
A23	Connection (30al), in dash panel wiring harness
A132	Connection (TCS/ESP), in dash panel wiring harness
B150	Positive connection 2 (30a), in interior wiring harness
Y6	Connection (30a), in reading light wiring harness
*	only models with ESP

Wiring Diagram VW POLO 2004 - Fuse 30 - 46 - 47 - 48 - 49 - 50 on fuse holder B

G209	Anti-theft alarm ultrasonic sensor
J31	Automatic intermittent wash and wipe relay
J48	Heated rear window control relay
J393	Convenience system central control unit
J519	Onboard supply control unit
SB30	Fuse 30 on fuse holder B
SB46	Fuse 46 on fuse holder B
SB47	Fuse 47 on fuse holder B
SB48	Fuse 48 on fuse holder B
SB49	Fuse 49 on fuse holder B
SB50	Fuse 50 on fuse holder B
T5a	5-pin connector, black
T5b	5-pin connector, brown, on left C-pillar
T5c	5-pin connector, brown
T6j	6-pin connector, brown
T16a	16-pin connector, black
T23	23-pin connector
U1	Cigarette lighter
Z1	Heated rear window
A66	Connection (30a, CL/ATA/IR), in dash panel wiring harness

Wiring Diagram VW POLO 2004 - Fuse 51 - 52 on fuse holder B

H2	Treble tone horn
H7	Bass tone horn
J39	Headlight washer system relay
J413	Horn relay
J503	Control unit with display for radio and navigation system
J519	Onboard supply control unit
R	Radio
SB51	Fuse 51 on fuse holder B
SB52	Fuse 52 on fuse holder B
T3a	3-pin connector, grey, on left of bulkhead
T5c	5-pin connector, brown
T6q	6-pin connector, red, on left of bulkhead
T8	8-pin connector
V11	Headlight washer system pump
29	Earth point, near radiator fan
124	Earth connection, in right side engine compartment wiring harness
A164	Positive connection 2 (30a), in dash panel wiring harness
C13	Positive connection in dual tone horn wiring harness
V28	Connection 1, in radio wiring harness
*	not with all levels of equipment

Wiring Diagram VW POLO 2004 - Fuse 16 - 17 - 18 on fuse holder B

D	Ignition/starter switch
E22	Intermittent wiper switch
E159	Fresh air/air recirculation flap switch
G65	High pressure sender
J255	Climatronic control unit
J293	Radiator fan control unit
J301	Air conditioning system control unit
J519	Onboard supply control unit
SB16	Fuse 16 on fuse holder B
SB17	Fuse 17 on fuse holder B
SB18	Fuse 18 on fuse holder B
T6u	6-pin connector
T10c	10-pin connector, behind right dash panel
T11d	11-pin connector, brown, on left of bulkhead
T16c	16-pin connector
T16e	16-pin connector
T16f	16-pin connector
T41	41-pin connector, on steering column switch
A20	Positive connection (15a), in dash panel wiring harness
A104	Positive connection 2 (15), in dash panel wiring harness
D155	Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness
*	⇒ see applicable Current Flow Diagram engine

Wiring Diagram VW POLO 2004 - Fuse 18 on fuse holder B

E39	Rear window regulator isolation switch
G209	Anti-theft alarm ultrasonic sensor
J386	Driver side door control unit
J412	Mobile telephone operating electronics control unit
J503	Control unit with display for radio and navigation system
J519	Onboard supply control unit
SB16	Fuse 16 on fuse holder B
SB17	Fuse 17 on fuse holder B
SB18	Fuse 18 on fuse holder B
T6aa	6-pin connector
T10s	10-pin connector
T18	18-pin connector
T21	21-pin connector, brown, on left A-pillar
Y7	Automatic anti-dazzle interior mirror
A20	Positive connection (15a), in dash panel wiring harness
A104	Positive connection 2 (15), in dash panel wiring harness
R13	Positive connection 4 (15), in driver door wiring harness
*	from November 2004

Wiring Diagram VW POLO 2004 - Fuse 19 - 20 - 45 on fuse holder B

F4	Reversing light switch
J219	Reversing light relay
J285	Control unit in dash panel insert
J519	Onboard supply control unit
SB19	Fuse 19 on fuse holder B
SB20	Fuse 20 on fuse holder B
SB45	Fuse 45 on fuse holder B
T2x	2-pin connector
T6o	6-pin connector, black
T6n	6-pin connector, blue, on left of bulkhead
T6q	6-pin connector, red, on left of bulkhead
T8c	8-pin connector
Z20	Left washer jet heater element
Z21	Right washer jet heater element
A104	Positive connection 2 (15), in dash panel wiring harness
B135	Connection 1 (15a), in interior wiring harness
C14	Positive connection (15), in heated washer jet wiring harness
*	models with automatic gearbox
**	models with manual gearbox
***	⇒ see applicable Current Flow Diagram engine

Wiring Diagram VW POLO 2004 - Fuse 7 - 10 - 15 - 23 on fuse holder B

D	Ignition/starter switch
J500	Power steering control unit
J503	Control unit with display for radio and navigation system
J519	Onboard supply control unit
R	Radio
SB7	Fuse 7 on fuse holder
SB10	Fuse 10 on fuse holder B
SB15	Fuse 15 on fuse holder
SB23	Fuse 23 on fuse holder
T4r	4-pin connector
T8	8-pin connector
T11b	11-pin connector, red, on left of bulkhead
T18a	18-pin connector, brown
A2	Positive connection (15), in dash panel wiring harness
A15	Positive connection (15), in instrument panel wiring harness
A21	Connection (86s), in dash panel wiring harness
A104	Positive connection 2 (15), in dash panel wiring harness
A139	Connection 3 (15), in dash panel wiring harness
*	⇒ see applicable Current Flow Diagram engine
**	⇒ see applicable Current Flow Diagram automatic gearbox
***	⇒ see applicable Current Flow Diagram ABS

Wiring Diagram VW POLO 2004 - Fuse 1 - 11 - 32 - 36 on fuse holder B

E9	Fresh air blower switch
E43	Mirror adjustment switch
E94	Heated driver seat regulator
E95	Heated front passenger seat regulator
J59	X-contact relief relay
J126	Fresh air blower control unit
J131	Heated driver seat control unit, under driver seat
J132	Heated front passenger seat control unit, under front passenger seat
J503	Control unit with display for radio and navigation system
J519	Onboard supply control unit
SB1	Fuse 1 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB32	Fuse 32 on fuse holder B
SB36	Fuse 36 on fuse holder B
T5h	5-pin connector
T6g	6-pin connector, under driver seat
T6d	6-pin connector, under front passenger seat
T10c	10-pin connector, behind right dash panel
T17	17-pin connector
T21	21-pin connector, brown, on left A-pillar
V12	Rear window wiper motor
A34	Connection (75x), in dash panel wiring harness
B122	Connection (75, seat heating), in interior wiring harness
	models without Climatronic
	models without Climatonic
	models with electric mirror adjustment without window regulator

Wiring Diagram VW POLO 2004 - Fuse 2 - 4 - 5 on fuse holder B

E1	Light switch
E45	Cruise control system switch
F	Brake light switch
F47	Brake pedal switch
F216	Rear fog light cut-out contact switch
J26	Radiator fan relay
J285	Control unit in dash panel insert
J519	Onboard supply control unit
J538	Fuel pump control unit
M41	Left tail light and rear fog light bulb
SB3	Fuse 3 on fuse holder B
SB4	Fuse 4 on fuse holder B
SB5	Fuse 5 on fuse holder B
T3x	3-pin connector
T13a	13-pin connector
T17	17-pin connector
T32a	32-pin connector
T41	41-pin connector, on steering column switch
U10	Trailer socket
A88	Connection (RFL), in dash panel wiring harness
A100	Connection 2 (87), in dash panel wiring harness
*	⇒ see applicable Current Flow Diagram engine
**	for models with engine code AXU only
***	for models with engine code ASZ, BLT only
	models with towing coupling
	models without towing coupling

Wiring Diagram VW POLO 2004 - Fuse 2 - 12 - 13 on fuse holder B

E1	Light switch
J519	Onboard supply control unit
M1	Left side light bulb
M2	Right tail light bulb
M3	Right side light bulb
M4	Left tail light bulb
SB2	Fuse 2 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB13	Fuse 13 on fuse holder B
T10a	10-pin connector, on left of headlight
T10b	10-pin connector, on right of headlight
T11a	11-pin connector, white, on left of bulkhead
T11b	11-pin connector, red, on left of bulkhead
T17	17-pin connector, on light switch
X	Number plate light
A3	Positive connection (58), in dash panel wiring harness
A83	Connection (day driving light), in dash panel wiring harness
A84	Connection (58L), in dash panel wiring harness
A85	Connection (58R), in dash panel wiring harness
E107	Connection (left parking light), in dash panel wiring harness
E108	Connection (right parking light), in dash panel wiring harness
	models without day driving light
	models with day driving light

Wiring Diagram VW POLO 2004 - Fuse 6 - 43 - 54 on fuse holder B

E1	Light switch
E102	Headlight range control regulator
J519	Onboard supply control unit
M29	Left dipped beam bulb
M31	Right dipped beam bulb
SB6	Fuse 6 on fuse holder B
SB43	Fuse 43 on fuse holder B
SB54	Fuse 54 on fuse holder B
T10a	10-pin connector, on left of headlight
T10b	10-pin connector, on right of headlight
T12a	12-pin connector, white, on left of bulkhead
T17	17-pin connector, on light switch
V48	Left headlight range control motor
V49	Right headlight range control motor
A9	Positive connection (56b), in instrument panel wiring harness
D152	Positive connection 1 (56b), in engine compartment wiring harness
D153	Positive connection 2 (56b), in engine compartment wiring harness

Wiring Diagram VW POLO 2004 - Fuse 21 - 22 - 44 on fuse holder B

E1	Light switch
E4	Headlight dipper/flasher switch
J285	Control unit in dash panel insert
J519	Onboard supply control unit
K18	Trailer operation warning lamp
L22	Left fog light bulb
L23	Right fog light bulb
M30	Left main beam bulb
M32	Right main beam bulb
SB21	Fuse 21 on fuse holder B
SB22	Fuse 22 on fuse holder B
SB44	Fuse 44 on fuse holder B
T6q	6-pin connector, red, on left of bulkhead
T10a	10-pin connector, on left of headlight
T10b	10-pin connector, on right of headlight
T12a	12-pin connector, white, on left of bulkhead
T17	17-pin connector, on light switch
T32a	32-pin connector
T41	41-pin connector, on steering column switch
A95	Connection 1 (56a), in dash panel wiring harness
B141	Positive connection 1 (56a), in interior wiring harness
B205	Connection (FL), in interior wiring harness
D59	Connection (fog light), in engine compartment wiring harness

Wiring Diagram VW POLO 2004 - Fuse 9 - 14 - 25 - 37 - 40 - 41 - 42 on fuse holder B

J519	Onboard supply control unit
SB9	Fuse 9 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB25	Fuse 25 on fuse holder B
SB37	Fuse 37 on fuse holder B
SB40	Fuse 40 on fuse holder B
SB41	Fuse 41 on fuse holder B
SB42	Fuse 42 on fuse holder B
*	⇒ see applicable Current Flow Diagram engine

VW POLO 2004 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

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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 2004 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

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Polo	Fitting Locations	No.  804 / 9

VW POLO 2004 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

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Polo	Fitting Locations	No.  804 / 10

VW POLO 2004 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 2004 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 2004 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-

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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 2004 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 2004 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 2004 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 2004 Heated driver seat control unit -J131- Heated driver seat control unit -J131- Fitting location: On driver seat frame ⇒ -arrow- VW POLO 2004 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

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VW POLO 2004 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-

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Polo	Fitting Locations	No.  804 / 18

VW POLO 2004 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 2004 Airbag control unit -J234- Airbag control unit -J234- Fitting location: Under centre console at front ⇒ -arrow-   Note: Earth connection via housing for vehicle earth!

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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 2004 Mobile telephone operating electronics control unit -J412- Mobile telephone operating electronics control unit -J412- Fitting location: On right A-pillar

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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 2004

VW POLO 2004 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 2004 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

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Polo	Fitting Locations	No.  806 / 4

VW POLO 2004 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-

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VW POLO 2004 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-

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Polo	Fitting Locations	No.  806 / 5

VW POLO 2004 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 2004 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

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VW POLO 2004 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

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VW POLO 2004 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 2004 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 2004 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 2004 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

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

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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

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

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Polo	Fitting Locations	No.  801 / 5

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

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

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Polo	Fitting Locations	No.  801 / 6

VW POLO 2004 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

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VW POLO 2004 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-

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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 2004 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

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Polo	Fitting Locations	No.  805 / 6

VW POLO 2004 Automatic gearbox control unit -J217- Automatic gearbox control unit -J217- Fitting location: in engine compartment before battery

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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 2004 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

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Polo	Fitting Locations	No.  805 / 9

VW POLO 2004 Radiator fan control unit -J293- Radiator fan control unit -J293- Fitting location: Front left in engine compartment ⇒ -arrow A-

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Polo	Fitting Locations	No.  805 / 10

VW POLO 2004 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)

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Polo	Fitting Locations	No.  805 / 11

VW POLO 2004 Engine control unit - J... Engine control unit - J... Fitting location: On left of bulkhead ⇒ -arrow-

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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.