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VW POLO 2003 – 1.6 l Simos/74 kW, engine codes AUR . Wiring diagrams, Pin Connector, Location

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



Wiring Diagram  VW POLO 2003 - Starter - battery - ignition/starter switch https://portal-diagnostov.com/license.html
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ABattery
BStarter
DIgnition/starter switch
J226Starter inhibitor and reversing light relay
T6g6-pin connector, coupling station under relay carrier, left
T10a10-pin connector, black, coupling station under relay carrier, left
T10q10-pin connector, coupling station under relay carrier, left
   1 Earth strap, battery - body
   2 Earth strap, gearbox - body
   A2 Positive (+) connection (15), in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   D107 Connection -5-, in engine compartment wiring harness
*Only models with airbags
Only models with manual gearbox
Only models with automatic gearbox

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



Wiring Diagram  VW POLO 2003 - Alternator - ignition/starter switch - fuse box/battery https://portal-diagnostov.com/license.html
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CAlternator
C1Voltage regulator
J226Starter inhibitor and reversing light relay
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
T10q10-pin connector, coupling station under relay carrier, left
TV2Terminal 30 wiring junction
   500 Screw connection -1- (30), on relay plate
   502 Screw connection -1- (30a), on relay plate
   A32 Positive (+) connection (30), in dash panel wiring harness
   D112 Connection -10-, in engine compartment wiring harness
Only models with automatic gearbox

Wiring Diagram VW POLO 2003 - Simos control unit - ignition transformer



Wiring Diagram  VW POLO 2003 - Simos control unit - ignition transformer https://portal-diagnostov.com/license.html
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J361Simos control unit
N152Ignition transformer
PSpark plug connector
QSpark plugs
SB34Fuse -34- on fuse box
T4m4-pin connector, yellow, on ignition transformer
T10g10-pin connector, red, coupling station under relay carrier, left
T121121-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 - Simos control unit - accelerator pedal position sender - throttle valve control unit



Wiring Diagram  VW POLO 2003 - Simos control unit - accelerator pedal position sender - 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)
J104ABS with EDL control unit
J217Automatic gearbox control unit
J338Throttle valve control unit
J361Simos control unit
T5g5-pin connector, pink, coupling station under relay carrier, left
T6e6-pin connector, near accelerator pedal position sender
T1414-pin connector, in engine compartment
T14a14-pin connector, in engine compartment
T2525-pin connector
T6868-pin connector
T121121-pin connector
   D159 Connection (high bus), in interior wiring harness
   D160 Connection (low bus), in engine compartment wiring harness
*Depends on equipment

Wiring Diagram VW POLO 2003 - Simos control unit - coolant temperature sender - engine speed sender - knock sensor I



Wiring Diagram  VW POLO 2003 - Simos control unit - coolant temperature sender - engine speed sender - knock sensor I https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G28Engine speed sender
G61Knock sensor I
G62Coolant temperature sender
J361Simos control unit
T3c3-pin connector, near knock sensor I
T3d3-pin connector, near engine speed sender
T10c10-pin connector, brown, coupling station under relay carrier, left
T14a14-pin connector, in engine compartment
T121121-pin connector, on Motronic control unit
   A27 Connection (speed signal), in dash panel wiring harness

Wiring Diagram VW POLO 2003 - Simos control unit - Hall sender - power assisted steering pressure switch - air mass meter



Wiring Diagram  VW POLO 2003 - Simos control unit - Hall sender - power assisted steering pressure switch - air mass meter https://portal-diagnostov.com/license.html
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E9Fresh air blower switch
E35Air conditioner switch
F88Power assisted steering pressure switch
G40Hall sender
G70Air mass meter
J293Radiator fan control unit
J361Simos control unit
SB1Fuse -1- on fuse box
T5h5-pin connector, brown, coupling station under relay carrier, left
T5m5-pin connector, in engine compartment
T10e10-pin connector, green, coupling station under relay carrier, left
T10t10-pin connector, coupling station under relay carrier, left
T1414-pin connector, in engine compartment
T14a14-pin connector, in engine compartment
T14b14-pin connector, on radiator fan control unit
T121121-pin connector
   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
   L5 Connection -1-, in air conditioner wiring harness
*Only models with air conditioner

Wiring Diagram VW POLO 2003 - Exhaust gas recirculation potentiometer - exhaust gas recirculation frequency valve - activated charcoal filter system solenoid valve 1 - secondary air inlet valve - Intake manifold change-over valve



Wiring Diagram  VW POLO 2003 - Exhaust gas recirculation potentiometer - exhaust gas recirculation frequency valve - activated charcoal filter system solenoid valve 1 - secondary air inlet valve - Intake manifold change-over valve https://portal-diagnostov.com/license.html
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G212Exhaust gas recirculation potentiometer
J361Simos control unit
J363Current supply relay for Simos control unit
N80Activated charcoal filter system solenoid valve 1 (pulsed)
N112Secondary air inlet valve
N121Exhaust gas recirculation frequency valve
N156Intake manifold change-over valve
SB31Fuse -31- on fuse box
T5m5-pin connector
T10f10-pin connector, purple, coupling station under relay carrier, left
T1414-pin connector, in engine compartment
T14a14-pin connector, in engine compartment
T121121-pin connector
   B113 Positive (+) connection (30a), in left interior wiring harness
   D80 Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Simos control unit - lambda probe - lambda probe after catalyst - activated charcoal filter system solenoid valve 1 - secondary air pump motor



Wiring Diagram  VW POLO 2003 - Simos control unit - lambda probe - lambda probe after catalyst - activated charcoal filter system solenoid valve 1 - secondary air pump motor https://portal-diagnostov.com/license.html
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G39Lambda probe
G130Lambda probe after catalyst
J299Secondary air pump relay
J361Simos control unit
T4e4-pin connector, near lambda probe
T6k6-pin connector, near lambda probe
T121121-pin connector
V101Secondary air pump motor
Z19Lambda probe heater
Z29Lambda probe 1 heater, after catalyst
   209 Earth connection -6-, in engine compartment wiring harness
   608 Earth point, in centre of plenum chamber
   D80 Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness
   D108 Connection -6-, in engine compartment wiring harness

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



Wiring Diagram  VW POLO 2003 - Simos control unit - injectors - immobilizer control unit https://portal-diagnostov.com/license.html
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J217Automatic gearbox control unit
J361Simos control unit
J362Immobilizer control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
SB3Fuse -3- on fuse box
T5h5-pin connector, brown, coupling station under relay carrier, left
T10a10-pin connector, black, 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
T10q10-pin connector, blue, coupling station under relay carrier, left
T10x10-pin connector, on immobilizer control unit
T1414-pin connector, in engine compartment
T121121-pin connector
   44 Earth point, lower part of left A-pillar
   D95 Connection (injectors), in engine compartment wiring harness
   D113 Connection -11-, in engine compartment wiring harness
*Only models with automatic gearbox
**Only models with manual gearbox

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



Wiring Diagram  VW POLO 2003 - Simos control unit - brake pedal switch - brake light switch - clutch pedal switch https://portal-diagnostov.com/license.html
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FBrake light switch
F36Clutch pedal switch
F63Brake pedal switch
J104ABS with EDL control unit
J361Simos 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
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
T121121-pin connector
   D52 Positive (+) connection (15a), in engine compartment wiring harness
   D73 Positive (+) connection (54), in engine compartment wiring harness
   D109 Connection -7-, in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Simos control unit - fuel pump relay - fuel shut-off control unit (Crash)



Wiring Diagram  VW POLO 2003 - Simos control unit - fuel pump relay - fuel shut-off control unit (Crash) https://portal-diagnostov.com/license.html
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J17Fuel pump relay
J361Simos control unit
J234Airbag control unit
J491Fuel shut-off control unit (crash)
SB36Fuse -36- on fuse box
T10f10-pin connector, purple, coupling station under relay carrier, left
T5050-pin connector, on airbag control unit
T121121-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 models with driver airbag

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



Wiring Diagram  VW POLO 2003 - Oil pressure switch - fuel pump - speedometer sender - radiator fan - radiator fan thermo-switch - fuel gauge sender https://portal-diagnostov.com/license.html
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F18Radiator fan thermo-switch
F22Oil pressure switch (0,3 bar)
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
T5m5-pin connector
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
*Only models with automatic gearbox

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



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