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

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Wiring Diagram VW POLO 2003 - Alternator - starter



Wiring Diagram VW POLO 2003 - Alternator - starter https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
T1aSingle connector, near starter
T1bSingle connector, behind relay plate
T1cSingle connector, behind relay plate
   D50 Positive (+) connection (30), in engine compartment wiring harness

Wiring Diagram VW POLO 2003 - Motronic control unit - ignition system - lambda probe



Wiring Diagram VW POLO 2003 - Motronic control unit - ignition system - lambda probe https://portal-diagnostov.com/license.html
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G39Lambda probe
G40Hall sender
J220Motronic control unit, in plenum chamber, left
J362Immobilizer control unit
N152Ignition transformer
N157Ignition transformer output stage
OIgnition distributor
PSpark plug connector
QSpark plugs
T33-pin connector, ignition transformer output stage
T44-pin connector
T66-pin connector
T28a28-pin connector, on engine left
T4545-pin connector, on Motronic control unit
   15 Earth point, on cylinder head
   139 Earth connection (sender earth), in Motronic wiring harness
   E6 Positive (+) connection -1- (15), in Motronic wiring harness

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



Wiring Diagram VW POLO 2003 - Motronic control unit - coolant temperature sender - intake air temperature sender - intake manifold pressure sender - knock sensor https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G42Intake air temperature sender
G61Knock sensor
G62Coolant temperature sender
G71Intake manifold pressure sender
J220Motronic control unit, in plenum chamber, left
T22-pin connector
T28a28-pin connector, on engine left
T4545-pin connector, on Motronic control unit
   15 Earth point, on cylinder head

Wiring Diagram VW POLO 2003 - Motronic control unit - injectors - throttle valve positioner - idling switch - throttle valve potentiometer



Wiring Diagram VW POLO 2003 - Motronic control unit - injectors - throttle valve positioner - idling switch - throttle valve potentiometer https://portal-diagnostov.com/license.html
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F60Idling switch
G69Throttle valve potentiometer
G88Throttle valve positioner potentiometer
J220Motronic control unit, in plenum chamber, left
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
T28a28-pin connector, on engine left
T4545-pin connector, on Motronic control unit
V60Throttle valve positioner
   15 Earth point, on cylinder head
   139 Earth connection (sender earth), in Motronic wiring harness
   E9 Positive (+) connection -2- (15), in Motronic wiring harness
   G3 Positive (+) connection in cable sleeve - injectors

Wiring Diagram VW POLO 2003 - Motronic control unit - activated charcoal filter system solenoid valve - fuel supply system - speedometer sender



Wiring Diagram VW POLO 2003 - Motronic control unit - activated charcoal filter system solenoid valve - fuel supply system - speedometer sender https://portal-diagnostov.com/license.html
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GFuel gauge sender
G6Fuel pump
G22Speedometer sender (Hall sender, on gearbox)
J17Fuel pump relay
J220Motronic control unit, in plenum chamber left
N80Activated charcoal filter system solenoid valve 1 (pulsed)
T28a28-pin connector, on engine left
T6a6-pin connector
T4545-pin connector, on Motronic control unit
   12 Earth point, in engine compartment, left
   15 Earth point, on cylinder head
   216 Earth connection -2-, in Motronic wiring harness

Wiring Diagram VW POLO 2003 - Dash panel insert - fuel gauge - coolant shortage and coolant temperature indicator - optical and acoustical oil pressure warning



Wiring Diagram VW POLO 2003 - Dash panel insert - fuel gauge - coolant shortage and coolant temperature indicator - optical and acoustical oil pressure warning https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
F22Oil pressure switch *
G1Fuel gauge
G3Coolant temperature gauge
H11Oil pressure warning buzzer
J285Control unit with display in dash panel insert
K2Alternator warning lamp
K3Oil pressure warning lamp
K28Coolant temperature warning lamp Coolant shortage indicator
T2828-pin connector, on dash panel insert
T28a28-pin connector, on engine left
   15 Earth point, on cylinder head *For switch values, Engine Workshop manual, Caddy 1996►, Polo Classic 1996►
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