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AUDI A2 2003 – 1.2 litre unit injector, TDI engine (45 kW – 3-cylinder), engine code ANY . Wiring diagrams, Pin Connector, Location

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Wiring Diagram AUDI A2 2003 - Battery - starter - alternator - ignition/starter switch



Wiring Diagram AUDI A2 2003 - Battery - starter - alternator - ignition/starter switch https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
J226Starter inhibitor and reversing light relay
S88Strip fuse
T17a17-pin connector, red, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
   65 Earth point, left longitudinal member, rear, between B and C pillar
   500 Screw connection -1- (30), on relay plate
   A2 Positive (+) connection (15), in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   P2 Positive (+) connection (30), in battery wiring harness
*Only applies to models without additional heater
**Only applies to models with electric additional heater (PTC 900 W)

Wiring Diagram AUDI A2 2003 - Additional heater fuse - fuses on fuse box



Wiring Diagram AUDI A2 2003 - Additional heater fuse - fuses on fuse box https://portal-diagnostov.com/license.html
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S126Additional heater fuse
SB14Fuse -14- on fuse box
SB30Fuse -30- on fuse box
SB31Fuse -31- on fuse box
SB38Fuse -38- on fuse box
   A2 Positive (+) connection (15), in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   A98 Positive (+) connection -4- (30), in dash panel wiring harness
   B135 Connection -1- (15a), in interior wiring harness
*Only applies to models with electric additional heater (PTC 900 W)

Wiring Diagram AUDI A2 2003 - Relay for glow plugs - diesel direct injection system control unit - terminal 30 voltage supply relay - glow plugs - (engine)



Wiring Diagram AUDI A2 2003 - Relay for glow plugs - diesel direct injection system control unit - terminal 30 voltage supply relay - glow plugs - (engine) https://portal-diagnostov.com/license.html
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J52Glow plug relay
J248Diesel direct injection system control unit
J317Terminal 30 voltage supply relay
Q6Glow plugs - (engine)
S39Strip fuse for glow plugs - engine
T1717-pin connector, brown, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
   12 Earth point, in engine compartment, left
   44 Earth point, lower part of left A pillar
   284 Earth connection -6-, in interior wiring harness
   D16 Connection (glow plugs), in front right wiring harness

Wiring Diagram AUDI A2 2003 - Kick-down switch - idling switch - coolant temperature senders - accelerator pedal position sender - diesel direct injection system control unit



Wiring Diagram AUDI A2 2003 - Kick-down switch - idling switch - coolant temperature senders - accelerator pedal position sender - diesel direct injection system control unit https://portal-diagnostov.com/license.html
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F8Kick-down switch
F60Idling switch
G2Coolant temperature sender
G62Coolant temperature sender
G79Accelerator pedal position sender
J248Diesel direct injection system control unit
T1717-pin connector, brown, in footwell, front left
T17d17-pin connector, green, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
*Only applies to models without additional heater
**Only applies to models with electric additional heater (PTC 900 W)

Wiring Diagram AUDI A2 2003 - Brake light switch - diesel direct injection system control unit - heater element (crankcase breather) - unit injector solenoid valves



Wiring Diagram AUDI A2 2003 - Brake light switch - diesel direct injection system control unit - heater element (crankcase breather) - unit injector solenoid valves https://portal-diagnostov.com/license.html
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FBrake light switch
J248Diesel direct injection system control unit
N79Heater element (crankcase breather)
N240Unit injector solenoid valve, No. 1 cylinder
N241Unit injector solenoid valve, No. 2 cylinder
N242Unit injector solenoid valve, No. 3 cylinder
T8b8-pin connector, black, at unit injector solenoid valves
T1717-pin connector, brown, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
T17h17-pin connector, green, connector point, A pillar, right
   43 Earth point, lower part of right A pillar
   176 Earth connection, in right headlight wiring harness
   B131 Connection (54), in interior wiring harness
   B149 Positive (+) connection -2- (15a), in interior wiring harness
   F26 Connection -2-, in diesel direct injection system wiring harness
*Only applies to models with electric additional heater (PTC 900 W)
**Only applies to models with heater element (crankcase breather)

Wiring Diagram AUDI A2 2003 - Engine speed sender - fuel temperature sender - diesel direct injection system control unit - electronic manual gearbox control unit



Wiring Diagram AUDI A2 2003 - Engine speed sender - fuel temperature sender - diesel direct injection system control unit - electronic manual gearbox control unit https://portal-diagnostov.com/license.html
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G28Engine speed sender
G81Fuel temperature sender
J248Diesel direct injection system control unit
J514Electronic manual gearbox control unit
T10s10-pin connector, white, in footwell, front left
T17d17-pin connector, green, in footwell, front left
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
   F27 Connection (screening), in diesel direct injection system wiring harness

Wiring Diagram AUDI A2 2003 - Hall sender - exhaust gas recirculation valve - charge pressure control solenoid valve - throttle butterfly valve - engine control unit fuse



Wiring Diagram AUDI A2 2003 - Hall sender - exhaust gas recirculation valve - charge pressure control solenoid valve - throttle butterfly valve - engine control unit fuse https://portal-diagnostov.com/license.html
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G40Hall sender
J248Diesel direct injection system control unit
N18Exhaust gas recirculation valve
N75Charge pressure control solenoid valve
N211Throttle butterfly valve
S102Engine control unit fuse
T17a17-pin connector, red, in footwell, front left
T17d17-pin connector, green, in footwell, front left
T17h17-pin connector, green, connector point, A pillar, right
   C33 Connection -5-, in headlight wiring harness

Wiring Diagram AUDI A2 2003 - Air mass meter - intake manifold pressure sender - intake manifold temperature sender - diesel direct injection system control unit



Wiring Diagram AUDI A2 2003 - Air mass meter - intake manifold pressure sender - intake manifold temperature sender - diesel direct injection system control unit https://portal-diagnostov.com/license.html
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G70Air mass meter
G71Intake manifold pressure sender
G72Intake manifold temperature sender
J248Diesel direct injection system control unit
T17d17-pin connector, green, in footwell, front left
T17h17-pin connector, green, connector point, A pillar, right

Wiring Diagram AUDI A2 2003 - Air conditioning system/Climatronic operating and display unit - airbag control unit - diesel direct injection system control unit



Wiring Diagram AUDI A2 2003 - Air conditioning system/Climatronic operating and display unit - airbag control unit - diesel direct injection system control unit https://portal-diagnostov.com/license.html
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E87Air conditioning system/Climatronic operating and display unit
J234Airbag control unit
J248Diesel direct injection system control unit
N280Air conditioning system compressor regulating valve
T1717-pin connector, brown, in footwell, front left
T17d17-pin connector, green, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
   12 Earth point, in engine compartment, left
   277 Earth connection -3-, in interior wiring harness
   284 Earth connection -6-, in interior wiring harness
   A125 Connection (crash signal), in dash panel wiring harness
*Only applies to models with air conditioning system
**Only applies to models without air conditioning system

Wiring Diagram AUDI A2 2003 - Radiator fan control unit - low heat output relay - high heat output relay - additional heating heater element



Wiring Diagram AUDI A2 2003 - Radiator fan control unit - low heat output relay - high heat output relay - additional heating heater element https://portal-diagnostov.com/license.html
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J248Diesel direct injection system control unit
J285Control unit with display in dash panel insert
J293Radiator fan control unit
J359Low heat output relay
J360High heat output relay
K2Alternator warning lamp
K132Electronic power control fault lamp
T3c3-pin connector, black, behind driver's storage compartment
T6g6-pin connector, black, on radiator fan control unit
T10f10-pin connector, blue, connector point, A pillar, left
T17d17-pin connector, green, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
Z35Additional heating heater element
   43 Earth point, lower part of right A pillar
   B177 Connection (61), in interior wiring harness
   B217 Connection (additional heater), in interior wiring harness
*Only applies to models with electric additional heater (PTC 900 W)

Wiring Diagram AUDI A2 2003 - Oil pressure switch - speedometer sender - oil level/oil temperature sender - control unit with display in dash panel insert



Wiring Diagram AUDI A2 2003 - Oil pressure switch - speedometer sender - oil level/oil temperature sender - control unit with display in dash panel insert https://portal-diagnostov.com/license.html
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F1Oil pressure switch
GFuel gauge sender
G1Fuel gauge
G3Coolant temperature gauge
G9Oil temperature gauge
G22Speedometer sender (Hall sender, on gearbox)
G266Oil level/oil temperature sender
J285Control unit with display in dash panel insert
T1616-pin connector, diagnostic connector, black, near fuse box
T1717-pin connector, brown, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   12 Earth point, in engine compartment, left
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness