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SEAT AROSA 2003 – 1.4 l – Marelli 4LV/74 kW, engine code AUB . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT AROSA 2003 - Battery - starter motor - alternator - voltage regulator - ignition/starter switch - cable distributor for terminal 30 - discharge relay for contact X



Wiring Diagram  SEAT AROSA 2003 - Battery - starter motor - alternator - voltage regulator - ignition/starter switch - cable distributor for terminal 30 - discharge relay for contact X https://portal-diagnostov.com/license.html
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ABattery
BStarter motor
CAlternator
C1Voltage regulator
DIgnition and starter switch
E1Light switch
E19Parking light switch
J59Discharge relay for contact X
T5s5-way connector, transmission
TV2Cable distributor for terminal 30
T1010-way connector, green, in the wiring harness interconnection
  1 Earth strap, battery - bodywork
  2 Earth strap, gearbox - bodywork
  61 Earth point, C strut left
  500 Bolted joint -1- (30), on the relay plate
  501 Bolted joint -2- (30), on the relay plate
  502 Bolted joint -1- (30a), on the relay plate
  A32 Positive connection (30), instrument panel wiring harness
  A40 Positive connection -1- (30), in the instrument wiring harness
  A61 Positive connection (X), instrument panel wiring harness
  B102 Earth connection, interior wiring harness, front left

Wiring Diagram SEAT AROSA 2003 - Marelli 4LV control unit (injection system) - coolant temperature sender - ignition transformer - spark plug cap - spark plugs



Wiring Diagram  SEAT AROSA 2003 - Marelli 4LV control unit (injection system) - coolant temperature sender - ignition transformer - spark plug cap - spark plugs https://portal-diagnostov.com/license.html
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G2Coolant temperature sender
G62Coolant temperature sender
J537Control unit for Marelli 4LV (injection system)
N152Ignition transformer
PPlug cap
QSpark plugs
SB24Fuse -24- in fusebox
SB30Fuse -30- in the fusebox
SB34Fuse -34- in the fusebox
SB36Fuse -36- in the fusebox
T515-way connector, engine
T1010-way connector, green, in the wiring harness interconnection
T10d10-way connector, white, in the wiring harness interconnection
T10n10-way connector, grey, in the wiring harness interconnection
T1414-way connector, engine
T14a14-way connector, brown, engine
  10 Plenum chamber earthing point
  85 Earth connection -1-, engine bay wiring harness
  A2 Positive connection (15), instrument panel wiring harness
  A104 Positive connection -2- (15), dash panel insert wiring harness

Wiring Diagram SEAT AROSA 2003 - Marelli 4LV control unit (injection system) - Hall sender - exhaust gas recirculation potentiometer - exhaust gas recirculation valve



Wiring Diagram  SEAT AROSA 2003 - Marelli 4LV control unit (injection system) - Hall sender - exhaust gas recirculation potentiometer - exhaust gas recirculation valve https://portal-diagnostov.com/license.html
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G40Hall sender
G212Exhaust gas recirculation potentiometer
J293Radiator fan control unit
J537Control unit for Marelli 4LV (injection system)
N18Exhaust gas recirculation valve
SB15Fuse -15- in the fusebox
SB37Fuse -37- in the fusebox
T10a10-way connector, red, in the wiring harness interconnection
T10d10-way connector, white, in the wiring harness interconnection
T1414-way connector, engine
  85 Earth connection -1-, engine bay wiring harness
  220 Earth connection (sender earth), engine wiring harness
  A52 Positive connection -2- (30), instrument panel wiring harness
  D101 Connection -1-, engine bay wiring harness
  D157 Connection (air conditioning ON), engine bay wiring harness
  L5 Connection -1-, air conditioning wiring harness
*Only vehicles with air conditioning

Wiring Diagram SEAT AROSA 2003 - Marelli 4LV control unit (injection system) - engine revolution sender - inlet air temperature sender - inlet manifold pressure sender - accelerator position sender - sender -2- for the accelerator pedal position



Wiring Diagram  SEAT AROSA 2003 - Marelli 4LV control unit (injection system) - engine revolution sender - inlet air temperature sender - inlet manifold pressure sender - accelerator position sender - sender -2- for the accelerator pedal position https://portal-diagnostov.com/license.html
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G28Engine revolution sender
G42Inlet air temperature sender
G71Inlet manifold pressure sender
G79Accelerator position sender
G185Sender -2- for the accelerator pedal position
J537Control unit for Marelli 4LV (injection system)
T1414-way connector, engine
  220 Earth connection (sender earth), engine wiring harness

Wiring Diagram SEAT AROSA 2003 - Marelli 4LV (injection system) control unit - throttle valve control unit - throttle valve control (electric accelerator control) - angle sender -1- for throttle valve (electric accelerator control)



Wiring Diagram  SEAT AROSA 2003 - Marelli 4LV (injection system) control unit - throttle valve control unit - throttle valve control (electric accelerator control) - angle sender -1- for throttle valve (electric accelerator control) https://portal-diagnostov.com/license.html
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G186Throttle valve control (electric accelerator control)
G187Angle sender -1- for throttle valve control (electric accelerator control)
G188Angle sender -2- for throttle valve control (electric accelerator control)
J104Control unit for ABS with EDS
J338Throttle valve control unit
J537Control unit for Marelli 4LV (injection system)
T10n10-way connector, grey, in the wiring harness interconnection
T14a14-way connector, brown, engine
  10 Plenum chamber earthing point
  D159 Connection (High-Bus), engine bay wiring harness
  D160 Connection (Low-Bus), engine bay wiring harness

Wiring Diagram SEAT AROSA 2003 - 4LV control unit (injection system) - knock sensor I - injector - cylinder 1 - injector - cylinder 2 - injector - cylinder 3 - injector - cylinder 4



Wiring Diagram  SEAT AROSA 2003 - 4LV control unit (injection system) - knock sensor I - injector - cylinder 1 - injector - cylinder 2 - injector - cylinder 3 - injector - cylinder 4 https://portal-diagnostov.com/license.html
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G61Knock sensor I
J362Immobilizer control unit
J5374LV control unit (injection system)
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
T5l5-pin connector, on engine
T1010-pin connector, green, connector point
T10a10-pin connector, red, connector point
T10b10-pin connector, blue, connector point
T10n10-pin connector, grey, connector point
T1414-pin connector, on engine
T14a14-pin connector, brown, on engine
  200 Earth connection (screening), in engine compartment wiring harness
  D95 Connection (injectors), in engine compartment wiring harness
*Wire W for self-diagnosis

Wiring Diagram SEAT AROSA 2003 - 4LV control unit Marelli (injection system) - lambda probe - lambda probe after catalyst - lambda probe heater - lambda probe 1 heater - after catalyst



Wiring Diagram  SEAT AROSA 2003 - 4LV control unit Marelli (injection system) - lambda probe - lambda probe after catalyst - lambda probe heater - lambda probe 1 heater - after catalyst https://portal-diagnostov.com/license.html
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G39Lambda probe
G130Lambda probe after catalyst
J5374LV control unit Marelli (injection system)
T10a10-pin connector, red, connector point
T10n10-pin connector, grey, connector point
T14a14-pin connector, brown, on engine
Z19Lambda probe heater
Z29Lambda probe 1 heater, downstream of catalytic converter
  E30 Connection (87a), in engine wiring harness

Wiring Diagram SEAT AROSA 2003 - Marelli 4LV (injection system) control unit - fuel pump relay - brake light switch - brake pedal switch - speedometer sender - activated charcoal filter system solenoid valve 1



Wiring Diagram  SEAT AROSA 2003 - Marelli 4LV (injection system) control unit - fuel pump relay - brake light switch - brake pedal switch - speedometer sender - activated charcoal filter system solenoid valve 1 https://portal-diagnostov.com/license.html
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FBrake light switch)
F63Brake pedal switch
G22Speedometer sender
J17Fuel pump relay
J537Control unit for Marelli 4LV (injection system)
M10Right brake light bulb
M25High brake light bulb
N80Activated charcoal filter system solenoid valve I (pulsed)
T1010-way connector, green, in the wiring harness interconnection
T10a10-way connector, red, in the wiring harness interconnection
T10c10-way connector, black, in the wiring harness interconnection
T1414-way connector, engine
T14a14-way connector, brown, engine
T10d10-way connector, white, in the wiring harness interconnection
  12 Earth point in engine bay, on the left
  82 Earth connection -1-, front left wiring harness
  A2 Positive connection (15), instrument panel wiring harness
  A38 Positive connection -2- (15a), in instrument panel wiring harness
  A99 Connection -1- (87), in the instrument panel wiring harness
  D73 Positive connection (54), engine bay wiring harness
  D136 Positive connection -2- (15a), engine bay wiring harness

Wiring Diagram SEAT AROSA 2003 - Fuel level indicator sender - fuel pump (pre-supply pump) - coolant level indicator sender - oil pressure switch 0 -3 bar - thermal resistance for pre-heating the inlet manifold



Wiring Diagram  SEAT AROSA 2003 - Fuel level indicator sender - fuel pump (pre-supply pump) - coolant level indicator sender - oil pressure switch 0 -3 bar - thermal resistance for pre-heating the inlet manifold https://portal-diagnostov.com/license.html
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F22Oil pressure switch 0,3 bar
GFuel level sender
G6Fuel pump (pre-supply pump)
G32Coolant level sender
N51thermal resistance for pre-heating the inlet manifold
SB40Fuse -40- in the fusebox
T515-way connector, engine
T10a10-way connector, red, in the wiring harness interconnection
T10c10-way connector, black, in the wiring harness interconnection
T1414-way connector, engine
  12 Earth point in engine bay, on the left
  61 Earth point, C strut left
  108 Earth connection -2-, front left wiring harness
  131 Earth connection-2-, in the engine compartment wiring harness
  B109 Earth connection, interior wiring harness, rear left
*Only for nordic countries vehicles

Wiring Diagram SEAT AROSA 2003 - Control unit with warning lamps on dash panel insert - fuel gauge - coolant temperature gauge - speedometer - oil pressure warning lamp - coolant temperature/level warning lamp



Wiring Diagram  SEAT AROSA 2003 - Control unit with warning lamps on dash panel insert - fuel gauge - coolant temperature gauge - speedometer - oil pressure warning lamp - coolant temperature/level warning lamp https://portal-diagnostov.com/license.html
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G1Fuel gauge
G3Coolant temperature gauge
G21Speedometer
J285Control unit with warning lamps in the dash panel insert
K3Oil pressure warning lamp
K28Coolant temperature/level warning lamp
K105Fuel level indicator lamp
SB16Fuse -16- in the fusebox
T1010-way connector, green, in the wiring harness interconnection
  A27 Connection (speed signal), instrument panel wiring harness
  B158 Connection (S), interior wiring harness

Wiring Diagram SEAT AROSA 2003 - Control unit with warning lamps in the dash panel insert - revolution counter - alternator warning lamp - exhaust gas warning lamp (EOBD) - electric accelerator control warning lamp (EPC)



Wiring Diagram  SEAT AROSA 2003 - Control unit with warning lamps in the dash panel insert - revolution counter - alternator warning lamp - exhaust gas warning lamp (EOBD) - electric accelerator control warning lamp (EPC) https://portal-diagnostov.com/license.html
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G5Rev. counter
J285Control unit with warning lamps in the dash panel insert
J362Immobiliser control unit
K2Alternator warning lamp
K83Exhaust gas warning lamp (EOBD)
K132Electric accelerator control warning lamp (EPC)
SB11Fuse -11- in the fusebox
T10a10-way connector, red, in the wiring harness interconnection
T10n10-way connector, grey, in the wiring harness interconnection
  76 Earth point, near gearbox control
  238 Earth connection -1-, interior wiring harness
  249 Earth connection -2-, interior wiring harness
  A121 Connection (High-Bus), instrument panel wiring harness
  A122 Connection (Low-Bus), instrument panel wiring harness