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AUDI A3 2004 – Audi A3 (1,8 l litre fuel injection engine, 110 kW, Motronic, 4-cylinder) engine codes AGU . Wiring diagrams, Pin Connector, Location

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Wiring Diagram AUDI A3 2004 - Battery - starter - alternator - main fuse box/battery



Wiring Diagram AUDI A3 2004 - Battery - starter - alternator - main fuse box/battery https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
F18Radiator fan thermo-switch
F54Radiator fan thermo-switch
J104ABS with EDL control unit
K2Alternator warning lamp
S131Fuse 1
S132Fuse 2
S133Fuse 3
S134Fuse 4
S138Fuse 5
S1621 in fuse box/battery
S1632 in fuse box/battery
S1643 in fuse box/battery
T2f2-pin connector, wiring duct, in engine compartment, left
T3e3-pin connector, black, on main fuse box/battery
T4b4-pin connector, in engine compartment, left
T3232-pin connector, blue, on dash panel insert
   2 Earth strap, gearbox - body
   10 Earth point, in plenum chamber
   12 Earth point, in engine compartment, left
   85 Earth connection -1-, in engine compartment wiring harness
   A17 Positive (+) connection (61), in dash panel wiring harness

Wiring Diagram AUDI A3 2004 - Motronic control unit - fuel pump relay - injectors - Hall sender - altitude sender



Wiring Diagram AUDI A3 2004 - Motronic control unit - fuel pump relay - injectors - Hall sender - altitude sender https://portal-diagnostov.com/license.html
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DIgnition/starter switch
F96Altitude sender
G40Hall sender
J17Fuel pump relay
J220Motronic control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
T1010-pin connector, white, in plenum chamber
T10c10-pin connector, black, wiring duct, in engine compartment, left
   A2 Positive (+) connection (15), in dash panel wiring harness
   D140 Connection (injectors), in engine prewiring wiring harness

Wiring Diagram AUDI A3 2004 - Motronic control unit - knock sensors - engine speed sender - coolant temperature sender



Wiring Diagram AUDI A3 2004 - Motronic control unit - knock sensors - engine speed sender - coolant temperature sender https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G28Engine speed sender
G61Knock sensor 1
G62Coolant temperature sender
G66Knock sensor 2
J220Motronic control unit
T3b3-pin connector, black, in engine compartment
T3c3-pin connector, brown, in engine compartment
T3d3-pin connector, grey, in engine compartment
T1010-pin connector, white, in plenum chamber
T10c10-pin connector, black, wiring duct, in engine compartment, left
   220 Earth connection (sender earth), in engine wiring harness
   281 Earth connection -1-, in engine prewiring wiring harness

Wiring Diagram AUDI A3 2004 - Motronic control unit - throttle valve control unit - ambient temperature sensor



Wiring Diagram AUDI A3 2004 - Motronic control unit - throttle valve control unit - ambient temperature sensor https://portal-diagnostov.com/license.html
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F60Idling switch
G42Intake air temperature sender
G186Throttle valve drive
G187Throttle valve drive angle sender -1-
G188Throttle valve drive angle sender -2-
J217Automatic gearbox control unit
J220Motronic control unit
J338Throttle valve control unit
   85 Earth connection -1-, in engine compartment wiring harness
   220 Earth connection (sender earth), in engine wiring harness
   D141 Connection (5V), in engine prewiring wiring harness
*Only models with automatic gearbox

Wiring Diagram AUDI A3 2004 - Motronic control unit - lambda probe - air mass meter - charge pressure control solenoid valve - activated charcoal filter system solenoid valve



Wiring Diagram AUDI A3 2004 - Motronic control unit - lambda probe - air mass meter - charge pressure control solenoid valve - activated charcoal filter system solenoid valve https://portal-diagnostov.com/license.html
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DIgnition/starter switch
G39Lambda probe
G70Air mass meter
J220Motronic control unit
J226Starter inhibitor and reversing light relay
N75Charge pressure control solenoid valve
N80Activated charcoal filter system solenoid valve 1
T44-pin connector, in engine compartment, right
T66-pin connector, red, in plenum chamber
T1010-pin connector, white, in plenum chamber
T10a10-pin connector, green, in plenum chamber
T10c10-pin connector, black, wiring duct, in engine compartment, left
Z19Lambda probe heater
   85 Earth connection -1-, in engine compartment wiring harness
   A100 Connection -2- (87), in dash panel wiring harness
   B148 Positive (+) connection -3- (87), in interior wiring harness
   D80 Positive (+) connection (87a), in engine compartment wiring harness
*Only models with automatic gearbox
**Only models with manual gearbox

Wiring Diagram AUDI A3 2004 - Motronic control unit - ignition system



Wiring Diagram AUDI A3 2004 - Motronic control unit - ignition system https://portal-diagnostov.com/license.html
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J220Motronic control unit
NIgnition coil 1
N122Final output stage
N128Ignition coil 2
N158Ignition coil 3
N163Ignition coil 4
PSpark plug connector
QSpark plugs
T4a4-pin connector, in engine compartment
T5f5-pin connector, in engine compartment
T10c10-pin connector, black, wiring duct, in engine compartment, left
   19 Earth point, near coil
   280 Earth connection -2-, in engine compartment wiring harness
   283 Earth connection -2-, in engine prewiring wiring harness
   A15 Positive (+) connection (15), in dash panel wiring harness
   D106 Connection -4-, in engine compartment wiring harness

Wiring Diagram AUDI A3 2004 - Dash panel insert - combi-processor in dash panel insert - fuel pump - fuel gauge sender - road speed sender - fuse box



Wiring Diagram AUDI A3 2004 - Dash panel insert - combi-processor in dash panel insert - fuel pump - fuel gauge sender - road speed sender - fuse box https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file
GFuel gauge sender
G6Fuel pump
G22Speedometer sender (Hall sender, on gearbox)
J218Combi-processor in dash panel insert
T10c10-pin connector, black, wiring duct, in engine compartment, left
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   249 Earth connection -2-, in interior wiring harness
   281 Earth connection -1-, in engine prewiring wiring harness
   A15 Positive (+) connection (15), in dash panel wiring harness
   A98 Positive (+) connection -4- (30a), in dash panel wiring harness
   A99 Connection -1- (87), in dash panel wiring harness
   B156 Positive (+) connection -4- (30a), in interior wiring harness