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WIRING-DIAGRAMS

VW POLO 2003 – Radio and navigation system with CD changer . Wiring diagrams, Pin Connector, Location

    HomeVWVW POLOVW POLO 2003VW POLO 2003 ALL WIRING DIAGRAMS - ENGLISH

Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation system -



Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation system -
DIgnition/starter switch
E1Light switch
J104ABS control unit
J285Control unit with display in dash panel insert
J503Control unit with display for radio and navigation system
J519Onboard supply control unit
SB10Fuse 10 in fuse holder
SB51Fuse 51 in fuse holder
T88-pin connector
T8x8-pin connector, orange, on left of bulkhead
T16b16-pin connector, self-diagnosis connection
T18a18-pin connector
T32a32-pin connector, blue
T4242-pin connector
T4747-pin connector
TV2Terminal 30a wiring junction, near relay carrier
  76 Earth point, near selector mechanism
  255 Earth connection 1, in radio wiring harness
  A19 Connection (58d), in dash panel wiring harness
  A21 Connection (86s), in dash panel wiring harness
  A27 Connection (speed signal), in dash panel wiring harness
  A76 Connection (diagnosis wire K), in dash panel wiring harness
  V28 Connection 1, in radio wiring harness
*up May 2002

Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation - onboard supply control unit - front loudspeaker - navigation system aerial (GPS) - radio and telephone aerial



Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation - onboard supply control unit - front loudspeaker - navigation system aerial (GPS) - radio and telephone aerialGet access to all wiring diagrams of the car
J503Control unit with display for radio and navigation system
J519Onboard supply control unit
R21Front left bass loudspeaker
R23Front right bass loudspeaker
R26Front left mid-range and treble loudspeaker
R27Front right mid-range and treble loudspeaker
R50Navigation system aerial (GPS)
R51Radio and telephone aerial
T1Single connector, near roof aerial
T1bSingle connector, near roof aerial
T2n2-pin connector
T2m2-pin connector
T4r4-pin connector
T4t4-pin connector
T4u4-pin connector
T4v4-pin connector
T8n8-pin connector
T10s10-pin connector
T18b18-pin connector
  A146 Connection (convenience CAN bus, high), in dash panel wiring harness
  A147 Connection (convenience CAN bus, low), in dash panel wiring harness
  B189 Connection (positive, front right loudspeaker), in interior wiring harness
  B190 Connection (negative, front right loudspeaker), in interior wiring harness
  B191 Connection (positive, front left loudspeaker), in interior wiring harness
  B192 Connection (negative, front left loudspeaker), in interior wiring harness

Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation system - onboard supply control unit - rear right loudspeaker



Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation system - onboard supply control unit - rear right loudspeakerGet access to all wiring diagrams of the car
J503Control unit with display for radio and navigation system
J519Onboard supply control unit
R15Rear left bass loudspeaker
R17Rear right bass loudspeaker
R105Rear left mid-range loudspeaker
R106Rear right mid-range loudspeaker
T2o2-pin connector
T2s2-pin connector
T2t2-pin connector
T2w2-pin connector
T4o4-pin connector*
T4p4-pin connector*
T4x4-pin connector
T4y4-pin connector
T4z4-pin connector
T4w4-pin connector
T8n8-pin connector
*only with four doors

Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation system - onboard supply control unit - CD changer



Wiring Diagram VW POLO 2003 - Control unit with display for radio and navigation system - onboard supply control unit - CD changerGet access to all wiring diagrams of the car
F4Reversing light switch
J503Control unit with display for radio and navigation system
J519Onboard supply control unit
R41CD changer
SB18Fuse 18 on fuse holder
T11-pin connector
T22-pin connector
T6o6-pin connector
T88-pin connector
T10s10-pin connector
T12e12-pin connector
T12f12-pin connector
T18c18-pin connector, VDA connector, front passenger side on A-pillar
T2020-pin connector
  B135 Connection 1 (15a), in interior wiring harness
  B182 Connection (RL), in interior wiring harness
  V14 Connection (screening), in CD changer wiring harness


VW POLO 2003 Overview of all control units

Overview of all control units
6 -  Engine control units -J248- , -J623- , -J361- , -J220- , -J687- , -J537-
q   Fitting location

   
A -  ABS control unit
Connector:
B -  Connector -T38-

   
A -  ABS control unit
Connector:
B -  Connector -T47-

   

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
 
VW POLO 2003 Get access to all wiring diagrams of the car

VW POLO 2003 Automatic gearbox control unit -J217-

A -  Automatic gearbox control unit -J217-
Connector:
B -  Connector -T68-

   

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
 
VW POLO 2003 Power steering control unit -J500-Get access to all wiring diagrams of the car

VW POLO 2003 Radiator fan control unit -J293-

Radiator fan control unit -J293-
Fitting location:
Front left in engine compartment ⇒ -arrow A-
 
VW POLO 2003 Radiator fan control unit -J293-Get access to all wiring diagrams of the car

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)
 
VW POLO 2003 NOx sensor control unit -J583-Get access to all wiring diagrams of the car

VW POLO 2003 Engine control unit - J...

Engine control unit - J...
  Note:
Note: see respective current flow diagram for engine control unit.
   
VW POLO 2003 Engine control unit - J...Get access to all wiring diagrams of the car
 -  80-pin connector*
  Note:
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

   
A -  Engine control unit, 121-pin
Connectors:
B -  81-pin connector
C -  40-pin connector
  Note:
Note Connector T121 comprises an 81-pin connector and a 40-pin connector.

   
A -  Engine control unit, 154-pin
Connectors:
B -  94-pin connector
C -  60-pin connector
  Note:
Note Connector T154 comprises a 94-pin and a 60-pin connector.

   


VW POLO 2003 Overview of control units

Overview of control units
   
VW POLO 2003 Overview of control unitsGet access to all wiring diagrams of the car
q   Connectors
q   Connector T8c
q   From November 2007, Fitting Locations
5 -  Parking aid control unit -J446-
q   Fitting location
q   Connectors

   
q   From November 2007, Fitting Locations
q   From November 2007, Fitting Locations
q   Heated driver seat control unit -J131-
q   Fitting location
q   Heated front seats control unit -J774-
q   Fitting location
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-

   
q   Connectors
14 -  Air conditioning system control unit -J301-
q   ⇒ Workshop manual; Heating; Air conditioning System; Heating, air conditioning system; Repair group 87
q   Connector, models with no side airbag
q   Connector, models with side airbag
q   Connectors

Polo Fitting Locations No.  804 / 4
   
VW POLO 2003 Overview of control unitsGet access to all wiring diagrams of the car
q   From November 2007, Fitting Locations
q   Discontinued from November 2005

Polo Fitting Locations No.  804 / 5
   
Convenience system central control unit -J393-
Fitting location:
Under dash panel ⇒ Position 2
 
VW POLO 2003 Overview of control unitsGet access to all wiring diagrams of the car
Connectors convenience system central control unit -J393-
VW POLO 2003 Overview of control unitsGet access to all wiring diagrams of the car
A -  Convenience system central control unit
Multi-pin connections:
B -  Connector -T12i-
q   Brown
C -  Connector -T23-
D -  Connector -T12c-
q   Black

   

VW POLO 2003 32-pin connector,T32a, on dash panel insert -J285-

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
 
VW POLO 2003 32-pin connector,T32a, on dash panel insert -J285-Get access to all wiring diagrams of the car

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
 
VW POLO 2003 8-pin connector, T8c, on dash panel insert -J285-Get access to all wiring diagrams of the car

VW POLO 2003 Right door control unit, to November 2007

Right door control unit, to November 2007
Front passenger door control unit -J387-
VW POLO 2003 Right door control unit, to November 2007Get access to all wiring diagrams of the car
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

   

VW POLO 2003 Right door control unit, from November 2007

Right door control unit, from November 2007
Front passenger door control unit -J387-
VW POLO 2003 Right door control unit, from November 2007Get access to all wiring diagrams of the car
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-

   

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-
 
VW POLO 2003 Parking aid control unit -J446-Get access to all wiring diagrams of the car
Connectors for parking aid control unit -J446-
VW POLO 2003 Parking aid control unit -J446-Get access to all wiring diagrams of the car
A -  Parking aid control unit
Connectors:
B -  Connector -T12n-
C -  Not assigned
D -  Connector -T16d-

   

VW POLO 2003 Fuel pump control unit -J538-

Fuel pump control unit -J538-
VW POLO 2003 Fuel pump control unit -J538-Get access to all wiring diagrams of the car
Fitting location:
Under rear bench seat ⇒ -arrow-

   

VW POLO 2003 Left door control unit, to November 2007

Left door control unit, to November 2007
Driver door control unit -J386-
VW POLO 2003 Left door control unit, to November 2007Get access to all wiring diagrams of the car
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

   

VW POLO 2003 Left door control unit, from November 2007

Left door control unit, from November 2007
Driver door control unit -J386-
VW POLO 2003 Left door control unit, from November 2007Get access to all wiring diagrams of the car
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-

   

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-



VW POLO 2003 Heated front seats control unit -J774-

VW POLO 2003 Onboard supply control unit -J519-

Onboard supply control unit -J519-
VW POLO 2003 Onboard supply control unit -J519-Get access to all wiring diagrams of the car
Fitting location:
Under dash panel ⇒ Position 1

   
Connectors on onboard supply control unit -J519-
VW POLO 2003 Onboard supply control unit -J519-Get access to all wiring diagrams of the car
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

   

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!
 
VW POLO 2003 Airbag control unit -J234-Get access to all wiring diagrams of the car
Connectors on airbag control unit -J234-
Models with no side airbag
   
VW POLO 2003 Airbag control unit -J234-Get access to all wiring diagrams of the car
A -  Airbag control unit
Pin connector:
B -  Connector -T50-

   
Connectors on airbag control unit -J234-
Models with no side airbag
   
VW POLO 2003 Airbag control unit -J234-Get access to all wiring diagrams of the car
A -  Airbag control unit
Pin connector:
B -  Connector -T75-

   

VW POLO 2003 Mobile telephone operating electronics control unit -J412-

A -  Mobile telephone operating electronics control unit


VW POLO 2003 Coupling station rear lid

VW POLO 2003



VW POLO 2003 coupling station heater, air conditioning system

VW POLO 2003 Coupling station driver seat


VW POLO 2003 coupling station front passenger seat

VW POLO 2003 Coupling station bulkhead (14-pin)

Coupling station bulkhead (14-pin)
Pin connector:
VW POLO 2003 Coupling station bulkhead (14-pin)Get access to all wiring diagrams of the car
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

   
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

   

VW POLO 2003 Coupling station left in engine compartment



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
 
VW POLO 2003 Coupling station, on right in engine compartmentGet access to all wiring diagrams of the car
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