Wiring Diagram VW POLO 2003 - Alternator - starter
A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
T1 | Single connector, behind relay plate |
T1a | Single connector, behind relay plate |
T2 | 2-pin connector, near starter |
T4 | 4-pin connector, on radiator fan control unit |
D50 | Positive (+) connection (30), in engine compartment wiring harnes |
Wiring Diagram VW POLO 2003 - Diesel direct injection system control unit - engine speed sender - air mass meter
F | Brake light switch |
G28 | Engine speed sender |
G42 | Intake air temperature sender |
J248 | Diesel direct injection system control unit, in plenum chamber left |
J362 | Immobilizer control unit |
M9 | Brake light bulb, left |
M21 | Brake and tail light bulb, left |
T3 | 3-pin connector |
T6 | 6-pin connector, on immobilizer control unit |
T68 | 68-pin connector |
156 | Earth connection, in diesel direct injection wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram VW POLO 2003 - Diesel direct injection system control unit - needle lift sender - modulating piston movement sender
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch (diesel direct injection system) |
G80 | Needle lift sender |
G81 | Fuel temperature sender |
G149 | Modulating piston movement sender |
J248 | Diesel direct injection system control unit, in plenum chamber left |
N146 | Metering adjuster |
T8 | 8-pin connector |
T24 | 24-pin connector, on engine left |
T68 | 68-pin connector, on control unit |
18 | Earth point, on engine block |
220 | Earth connection (sender earth), in engine wiring harness |
D61 | Connection (air conditioner), in wiring harness |
Wiring Diagram VW POLO 2003 - Diesel direct injection system control unit - accelerator pedal position sender - exhaust gas recirculation valve - coolant heater elements
G79 | Accelerator pedal position sender |
J248 | Diesel direct injection system control unit, in plenum chamber left |
J317 | Terminal 30 voltage supply relay |
J325 | Relay for coolant heater elements, on bulkhead centre |
J359 | Low heat output relay |
J360 | High heat output relay |
N18 | Exhaust gas recirculation valve, in engine compartment, front right |
Q7 | Coolant heating elements |
S109 | Coolant heater element fuse |
T6 | 6-pin connector, in footwell, front left |
T24 | 24-pin connector, on engine left |
T68 | 68-pin connector, on control unit |
F25 | Connection -1-, in diesel direct injection system wiring harness |
F32 | Connection (glow plugs - coolant), in diesel direct injection system wiring harness |
Wiring Diagram VW POLO 2003 - Relay for coolant heater elements - diesel direct injection system control unit - commencement of injection valve - throttle butterfly valve - fuel shut – off valve
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit, in plenum chamber left |
N108 | Commencement of injection valve |
N109 | Fuel shut-off valve |
N211 | Throttle butterfly valve, fault reader VAG 1551 print-out is: V60 |
Q6 | Glow plugs (engine) |
S39 | Strip fuse for glow plugs |
T2a | 2-pin connector |
T24 | 24-pin connector, on engine left |
T68 | 68-fach, on control unit |
TV2 | Terminal 30 junction box |
F26 | Connection -2-, in diesel direct injection system wiring harness |
F31 | Connection (glow plugs - engine), in diesel direct injection system wiring harness |
Wiring Diagram VW POLO 2003 - Engine temperature sender - oil pressure switch - speedometer sender
F1 | Oil pressure switch * |
F22 | Oil pressure switch (0.3 bar) |
G | Fuel gauge sender |
G2 | Coolant temperature gauge |
G8 | Oil temperature sender |
G22 | Speedometer sender (hall sender, on gearbox) |
G27 | Engine temperature sender |
G32 | Coolant shortage indicator sender |
T3 | 3-pin connector, behind relay plate |
T24 | 24-pin connector, on engine left |
15 | Earth point, on cylinder head *For switch values, Engine Workshop manual, Caddy 1996►, Polo Classic ► |
Wiring Diagram VW POLO 2003 - Dash panel insert - fuel gauge - coolant shortage and coolant temperature indicator - optical and acoustical oil pressure warning
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
H11 | Oil pressure warning buzzer |
J285 | Control unit with display in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature warning lamp/coolant shortage warning lamp |
K29 | Glow period warning lamp |
T3a | 3-pin connector |
T28 | 28-pin connector, on dash panel insert |
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