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AUDI A2 2003 – 1.4 litre fuel injection engine (55 kW – Magneti Marelli – 4-cylinder), engine code BBY . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A2 2003 - Battery - starter - alternator - ignition/starter switch - fuses on fuse box



Wiring Diagram  AUDI A2 2003 - Battery - starter - alternator - ignition/starter switch - fuses on fuse box https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
DIgnition/starter switch
S88Strip fuse
SB30Fuse -30- on fuse box
SB38Fuse -38- on fuse box
T1717-pin connector, brown, 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
   A86 Connection (50a), in dash panel wiring harness
   A98 Positive (+) connection -4- (30), in dash panel wiring harness
   B177 Connection (61), in interior wiring harness
   P2 Positive (+) connection (30), in battery wiring harness

Wiring Diagram AUDI A2 2003 - Fuel pump relay - airbag control unit - 4LV (injection system) control unit - fuses on fuse box



Wiring Diagram  AUDI A2 2003 - Fuel pump relay - airbag control unit - 4LV (injection system) control unit - fuses on fuse box https://portal-diagnostov.com/license.html
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J17Fuel pump relay
J234Airbag control unit
J5374LV (injection system) control unit
SB18Fuse -18- on fuse box
SB19Fuse -19- on fuse box
SB20Fuse -20- on fuse box
SB31Fuse -31- on fuse box
SB45Fuse -45- on fuse box
T6f6-pin connector, green, in footwell, front left
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
   277 Earth connection -3-, in interior wiring harness
   279 Earth connection -5-, in interior wiring harness
   284 Earth connection -6-, in interior wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   A100 Connection -2- (87), in dash panel wiring harness
   A125 Connection (crash signal), in dash panel wiring harness

Wiring Diagram AUDI A2 2003 - Lambda probe - lambda probe downstream of catalytic converter - injectors - activated charcoal filter system solenoid valve 1 (pulsed)



Wiring Diagram  AUDI A2 2003 - Lambda probe - lambda probe downstream of catalytic converter - injectors - activated charcoal filter system solenoid valve 1 (pulsed) https://portal-diagnostov.com/license.html
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G39Lambda probe
G130Lambda probe downstream of catalytic converter
J5374LV (injection system) control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
N80Activated charcoal filter system solenoid valve 1 (pulsed)
T4a4-pin connector, brown, in engine compartment, left
T6b6-pin connector, black, in engine compartment, right
Z19Lambda probe heater
Z29Lambda probe 1 heater, downstream of catalytic converter
   D80 Positive (+) connection (87a - for activated charcoal filter system solenoid valve), in engine compartment wiring harness
   D140 Connection (injectors), in engine wiring harness

Wiring Diagram AUDI A2 2003 - Exhaust gas recirculation potentiometer - throttle valve module - heater element (crankcase breather)



Wiring Diagram  AUDI A2 2003 - Exhaust gas recirculation potentiometer - throttle valve module - heater element (crankcase breather) https://portal-diagnostov.com/license.html
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G186Throttle valve drive (electric power control)
G187Throttle valve drive angle sender -1- (electric power control)
G188Throttle valve drive angle sender -2- (electric power control)
G212Exhaust gas recirculation potentiometer
J338Throttle valve module
J5374LV (injection system) control unit
N18Exhaust gas recirculation valve
N79Heater element (crankcase breather)
T6f6-pin connector, green, in footwell, front left
   12 Earth point, in engine compartment, left
   D141 Connection (5V), in engine wiring harness

Wiring Diagram AUDI A2 2003 - Cruise control system switch - brake light switch - accelerator pedal position senders - 4LV (injection system) control unit



Wiring Diagram  AUDI A2 2003 - Cruise control system switch - brake light switch - accelerator pedal position senders - 4LV (injection system) control unit https://portal-diagnostov.com/license.html
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E45Cruise control system switch
FBrake light switch
G79Accelerator pedal position sender
G185Accelerator pedal position sender -2-
J5374LV (injection system) control unit
T10n10-pin connector, black, behind steering column switch trim
T1717-pin connector, brown, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
   A16 Connection (cruise control system), in dash panel wiring harness
   B131 Connection (54), in interior wiring harness
   B149 Positive (+) connection -2- (15a), in interior wiring harness
*Only applies to models with cruise control system

Wiring Diagram AUDI A2 2003 - Coolant temperature senders - engine speed sender - Hall sender - knock sensor - intake manifold pressure sender



Wiring Diagram  AUDI A2 2003 - Coolant temperature senders - engine speed sender - Hall sender - knock sensor - intake manifold pressure sender https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G28Engine speed sender
G40Hall sender
G61Knock sensor I
G62Coolant temperature sender
G71Intake manifold pressure sender
G72Intake manifold temperature sender
J5374LV (injection system) control unit
T1717-pin connector, brown, in footwell, front left
   220 Earth connection (sender earth), in engine wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness

Wiring Diagram AUDI A2 2003 - 4LV (injection system) control unit - ignition coils with output stage - spark plug connector - spark plugs



Wiring Diagram  AUDI A2 2003 - 4LV (injection system) control unit - ignition coils with output stage - spark plug connector - spark plugs https://portal-diagnostov.com/license.html
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J5374LV (injection system) control unit
N70Ignition coil 1 with output stage
N127Ignition coil 2 with output stage
N291Ignition coil 3 with output stage
N292Ignition coil 4 with output stage
PSpark plug connector
QSpark plugs
   12 Earth point, in engine compartment, left
   19 Earth point, near ignition coil
   221 Earth connection (engine earth), in engine wiring harness
   D51 Positive (+) connection -1- (15), in engine compartment wiring harness

Wiring Diagram AUDI A2 2003 - Air conditioning system/Climatronic operating and display unit - clutch pedal switch - 4LV (injection system) control unit



Wiring Diagram  AUDI A2 2003 - Air conditioning system/Climatronic operating and display unit - clutch pedal switch - 4LV (injection system) control unit https://portal-diagnostov.com/license.html
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E87Air conditioning system/Climatronic operating and display unit
F36Clutch pedal switch
J5374LV (injection system) control unit
N280Air conditioning system compressor regulating valve
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
   12 Earth point, in engine compartment, left
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
*Only applies to models with air conditioner

Wiring Diagram AUDI A2 2003 - Oil pressure switch - fuel pump (pre-supply pump) - oil level/oil temperature sender - control unit with display in dash panel insert



Wiring Diagram  AUDI A2 2003 - Oil pressure switch - fuel pump (pre-supply pump) - 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
G6Fuel pump (pre-supply pump)
G9Oil temperature gauge
G266Oil level/oil temperature sender
J285Control unit with display in dash panel insert
K2Alternator warning lamp
T6f6-pin connector, green, in footwell, front left
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
   277 Earth connection -3-, in interior wiring harness
   279 Earth connection -5-, in interior wiring harness
   B135 Connection -1- (15a), in interior wiring harness
*Only applies to models with air conditioner
**No longer fitted, phased-in modification
***Phased-in modification

Wiring Diagram AUDI A2 2003 - Oil pressure switch - fuel pump (pre-supply pump) - oil level/oil temperature sender - control unit with display in dash panel insert



Wiring Diagram  AUDI A2 2003 - Oil pressure switch - fuel pump (pre-supply pump) - oil level/oil temperature sender - control unit with display in dash panel insert https://portal-diagnostov.com/license.html
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קבל גישה לכל מכוניות דיאגרמות החיווטDownload PDF file
F1Oil pressure switch
GFuel gauge sender
G6Fuel pump (pre-supply pump)
G266Oil level/oil temperature sender
J104ABS with EDL control unit
J285Control unit with display in dash panel insert
K2Alternator warning lamp
T6f6-pin connector, green, in footwell, front left
T1717-pin connector, brown, in footwell, front left
T17e17-pin connector, blue, in footwell, front left
T17g17-pin connector, red, connector point, A pillar, left
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   85 Earth connection -1-, in engine compartment wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   277 Earth connection -3-, in interior wiring harness
   B135 Connection -1- (15a), in interior wiring harness
*Only applies to models with air conditioner