AUTOMOTIVE ELECTRICIANS

VW POLO 2003 – Airbag . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2003 - Vehicle voltage control unit - airbag control unit - airbag disabling key switch (front passenger's airbags) - airbag coil connector - airbag disabled warning lamp - airbag igniter



Wiring Diagram  VW POLO 2003 - Vehicle voltage control unit - airbag control unit - airbag disabling key switch (front passenger
DIgnition/starter switch
E224Airbag disabling key switch, front passenger's side in glove box
F138Airbag coil connector, return spring with slip ring
J234Airbag control unit
J519Vehicle voltage control unit
K145Airbag disabled warning lamp, front passenger's side
N95Airbag igniter, driver's side
N131Airbag igniter 1, front passenger's side
T3o3-pin connector
T8c8-pin connector
T4141-pin connector
T5050-pin connector
   312 Earth connection -2-, in airbag wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   T3 Connection, in airbag wiring harness
   T5 Connection -2-, in airbag wiring harness

Wiring Diagram VW POLO 2003 - Airbag control unit - onboard power supply control unit - side airbag crash sensors - belt tensioner igniter - side airbag igniter



G179Side airbag crash sensor, driver's side
G180Side airbag crash sensor, front passenger's side
J234Airbag control unit
J519Onboard power supply control unit
N153Belt tensioner igniter -1-, driver's side
N154Belt tensioner igniter -1-, front passenger's side
N199Side airbag igniter, driver's side
N200Side airbag igniter, front passenger's side
T2r2-pin connector
T2s2-pin connector
T3o3-pin connector
T3r3-pin connector
T5050-pin connector
   312 Earth connection -2-, in airbag wiring harness
   T6 Connection, in side airbag wiring harness

Wiring Diagram VW POLO 2003 - Onboard power supply control unit - airbag control unit - control unit with display in dash panel insert



J234Airbag control unit
J285Control unit with display in dash panel insert
J519Onboard power supply control unit
K75Airbag warning lamp
T16a16-pin connector, black
T32a32-pin connector
T5050-pin connector
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness


VW POLO 2003 Overview of control units

Overview of control units
   
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
   
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
 
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

   

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 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
 
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