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VW POLO 2003 – 1.4 l/44 kW Motronic, engine codes AUD . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2003 - Starter - battery - ignition/starter switch - fuse box / battery



Wiring Diagram  VW POLO 2003 - Starter - battery - ignition/starter switch - fuse box / battery https://portal-diagnostov.com/license.html
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ABattery
BStarter
DIgnition/starter switch
SA1Fuse -1- on battery fuse box
SA2Fuse -2- on battery fuse box
SA3Fuse -3- on battery fuse box
SA4Fuse -4- on battery fuse box
SA5Fuse -5- on battery fuse box
SA6Fuse -6- on battery fuse box
SA7Fuse -7- on battery fuse box
SA8Fuse -8- on battery fuse box
T3e3-pin connector, on battery fuse box
T5d5-pin connector, in engine compartment, near gearbox
T10a10-pin connector, black, coupling station under relay carrier, left
TV2Terminal 30 wiring junction
   1 Earth strap, battery - body
   2 Earth strap, gearbox - body
   500 Screw connection -1- (30), on relay plate
   502 Screw connection -1- (30a), on relay plate
   A2 Positive (+) connection (15), in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
*Only models with airbags

Wiring Diagram VW POLO 2003 - Motronic control unit - alternator - ignition transformer



Wiring Diagram  VW POLO 2003 - Motronic control unit - alternator - ignition transformer https://portal-diagnostov.com/license.html
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CAlternator
C1Voltage regulator
J220Motronic control unit
N152Ignition transformer
PSpark plug connector
QSpark plugs
SB34Fuse -34- on fuse box
T4m4-pin connector, yellow, on ignition transformer
T5d5-pin connector, in engine compartment, near gearbox
T10g10-pin connector, red, coupling station under relay carrier, left
T8080-pin connector
   241 Earth connection -2-, engine earth, in engine wiring harness
   607 Earth point, on left in plenum chamber

Wiring Diagram VW POLO 2003 - Motronic control unit - accelerator pedal position senders - throttle valve control unit



Wiring Diagram  VW POLO 2003 - Motronic control unit - accelerator pedal position senders - throttle valve control unit https://portal-diagnostov.com/license.html
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G79Accelerator pedal position sender
G185Accelerator pedal position sender -2-
G186Throttle valve drive (electric throttle operation)
G187Throttle valve drive angle sender -1- (electric throttle operation)
G188Throttle valve drive angle sender -2- (electric throttle operation)
J338Throttle valve control unit
J220Motronic control unit
T6e6-pin connector, near accelerator pedal position sender
T1414-pin connector, in engine compartment
T14a14-pin connector, in engine compartment
T8080-pin connector

Wiring Diagram VW POLO 2003 - Motronic control unit - coolant temperature sender - intake air temperature sender - intake manifold pressure sender - Hall sender



Wiring Diagram  VW POLO 2003 - Motronic control unit - coolant temperature sender - intake air temperature sender - intake manifold pressure sender - Hall sender https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G40Hall sender
G42Intake air temperature sender
G62Coolant temperature sender
G71Intake manifold pressure sender
J220Motronic control unit
T10c10-pin connector, brown, coupling station under relay carrier, left
T1414-pin connector, in engine compartment
T8080-pin connector
   220 Earth connection (sender earth), in engine wiring harness
   A27 Connection (speed signal), in dash panel wiring harness
   D101 Connection -1-, in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Motronic control unit - engine speed sender - knock sensor I - exhaust gas recirculation frequency valve



Wiring Diagram  VW POLO 2003 - Motronic control unit - engine speed sender - knock sensor I - exhaust gas recirculation frequency valve https://portal-diagnostov.com/license.html
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G28Engine speed sender
G61Knock sensor I
G212Exhaust gas recirculation potentiometer
J220Motronic control unit
N80Exhaust gas recirculation frequency valve
SB30Fuse -30- on fuse box
T2h2-pin connector, near knock sensor I
T3d3-pin connector, near engine speed sender
T10e10-pin connector, green, coupling station under relay carrier, left
T1414-pin connector, in engine compartment
T14a14-pin connector, in engine compartment
T8080-pin connector
   220 Earth connection (sender earth), in engine wiring harness
   D101 Connection -1-, in engine compartment wiring harness
*Discontinued phased-in modification

Wiring Diagram VW POLO 2003 - Motronic control unit - injectors - immobilizer control unit



Wiring Diagram  VW POLO 2003 - Motronic control unit - injectors - immobilizer control unit https://portal-diagnostov.com/license.html
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J362Immobilizer control unit
J220Motronic control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
SB3Fuse -3- on fuse box
SB31Fuse -31- on fuse box
T10a10-pin connector, black, coupling station under relay carrier, left
T10c10-pin connector, brown, coupling station under relay carrier, left
T10f10-pin connector, purple, coupling station under relay carrier, left
T10x10-pin connector, on immobilizer control unit
T14a14-pin connector, in engine compartment
T8080-pin connector
   44 Earth point, lower part of left A-pillar
   B113 Positive (+) connection (30a), in left interior wiring harness
   D95 Connection (injectors), in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Motronic control unit - lambda probe - lambda probe after catalyst - activated charcoal filter system solenoid valve 1



Wiring Diagram  VW POLO 2003 - Motronic control unit - lambda probe - lambda probe after catalyst - activated charcoal filter system solenoid valve 1 https://portal-diagnostov.com/license.html
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E35Air conditioner switch
G65High pressure sender
G39Lambda probe
G130Lambda probe after catalyst
J293Radiator fan control unit
J220Motronic control unit
N80Activated charcoal filter system solenoid valve 1 (pulsed)
SB1Fuse -1- on fuse box
T4e4-pin connector, near lambda probe
T6k6-pin connector, near lambda probe
T10e10-pin connector, green, coupling station under relay carrier, left
T8080-pin connector
Z19Lambda probe heater
Z29Lambda probe 1 heater, after catalyst
   D61 Connection (air conditioner), in engine compartment wiring harness
   D80 Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Motronic control unit - brake light switch - brake pedal switch



Wiring Diagram  VW POLO 2003 - Motronic control unit - brake light switch - brake pedal switch https://portal-diagnostov.com/license.html
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FBrake light switch
F63Brake pedal switch
J104ABS with EDL control unit
J217Automatic gearbox control unit
J220Motronic control unit
M9Brake light bulb, left
M10Brake light bulb, right
M25High level brake light bulb
SB15Fuse -15- on fuse box
SB24Fuse -24- on fuse box
T5g5-pin connector, pink, coupling station under relay carrier, left
T10a10-pin connector, black, coupling station under relay carrier, left
T10f10-pin connector, purple, coupling station under relay carrier, left
T10g10-pin connector, red, coupling station under relay carrier, left
T2525-pin connector
T6868-pin connector
T8080-pin connector
   D73 Positive (+) connection (54), in engine compartment wiring harness
   D159 Positive (+) connection (high bus), in interior wiring harness
   D160 Positive (+) connection (low bus), in engine compartment wiring harness
*Depends on equipment

Wiring Diagram VW POLO 2003 - Motronic control unit - fuel pump relay - fuel shut-off control unit (crash)



Wiring Diagram  VW POLO 2003 - Motronic control unit - fuel pump relay - fuel shut-off control unit (crash) https://portal-diagnostov.com/license.html
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J17Fuel pump relay
J234Airbag control unit
J491Fuel shut-off control unit (crash)
J220Motronic control unit
SB36Fuse -36- on fuse box
T10f10-pin connector, purple, coupling station under relay carrier, left
T5050-pin connector
T8080-pin connector
   45 Earth point, behind dash panel - centre
   109 Earth connection, in airbag wiring harness
   A98 Positive (+) connection -4- (30), in dash panel wiring harness
   A99 Connection -1- (87), in dash panel wiring harness
   A100 Connection -2- (87), in dash panel wiring harness
   A125 Connection (crash signal), in dash panel wiring harness
*Only models with airbags
**Only models without airbags
***Does not apply to models with driver airbag, without window lifter

Wiring Diagram VW POLO 2003 - Oil pressure switch - fuel pump - speedometer sender - radiator fan - radiator fan thermo-switch - fuel pump - fuel gauge sender



Wiring Diagram  VW POLO 2003 - Oil pressure switch - fuel pump - speedometer sender - radiator fan - radiator fan thermo-switch - fuel pump - fuel gauge sender https://portal-diagnostov.com/license.html
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F1Oil pressure switch
F18Radiator fan thermo-switch
GFuel gauge sender
G6Fuel pump (pre-supply pump)
G22Speedometer sender (Hall sender, on gearbox)
SB28Fuse -28- on fuse box
SB40Fuse -40- on fuse box
T3b3-pin connector, on radiator fan
T6b6-pin connector, grey, coupling station under relay carrier, left
T10c10-pin connector, brown, coupling station under relay carrier, left
T10e10-pin connector, green, coupling station under relay carrier, left
T10i10-pin connector, orange, coupling station under relay carrier, left
T1414-pin connector, in engine compartment
V7Radiator fan
   12 Earth point, left in engine compartment
   50 Earth point, on left luggage compartment
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   608 Earth point, in centre of plenum chamber

Wiring Diagram VW POLO 2003 - Control unit with display in dash panel insert - coolant shortage indicator sender - oil pressure warning lamp



Wiring Diagram  VW POLO 2003 - Control unit with display in dash panel insert - coolant shortage indicator sender - oil pressure warning lamp https://portal-diagnostov.com/license.html
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G1Fuel gauge
G3Coolant temperature gauge
G5Rev. counter
G21Speedometer
G32Coolant shortage indicator sender
H11Oil pressure warning buzzer
J285Control unit with display in dash panel insert
K3Oil pressure warning lamp
K28Coolant temperature/coolant shortage warning lamp
K105Reserve fuel warning lamp
T10e10-pin connector, green, coupling station under relay carrier, left
T10f10-pin connector, purple, coupling station under relay carrier, left
T10g10-pin connector, red, coupling station under relay carrier, left
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
Y4Odometer display
   179 Earth connection, in left headlight wiring harness
   608 Earth point, in centre of plenum chamber
*Output for signal earth

Wiring Diagram VW POLO 2003 - Control unit with display in dash panel insert - diagnostic connector - alternator warning lamp - data bus diagnostic interface



Wiring Diagram  VW POLO 2003 - Control unit with display in dash panel insert - diagnostic connector - alternator warning lamp - data bus diagnostic interface https://portal-diagnostov.com/license.html
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J285Control unit with display in dash panel insert
J533Data bus diagnostic interface
K2Alternator warning lamp
SB16Fuse -16- on fuse box
T10b10-pin connector, white, coupling station under relay carrier, left
T10f10-pin connector, purple, coupling station under relay carrier, left
T10g10-pin connector, red, coupling station under relay carrier, left
T1616-pin connector, diagnostic connector
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   45 Earth point, behind dash panel - centre
   81 Earth connection -1-, in dash panel wiring harness
   A21 Connection (86s), in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
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