Wiring Diagram SEAT AROSA 2003 - Battery - starter motor - alternator - voltage regulator - ignition/starter switch - cable distributor for terminal 30 - discharge relay for contact X
| A | Battery |
| B | Starter motor |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition and starter switch |
| E1 | Light switch |
| E19 | Parking light switch |
| J59 | Discharge relay for contact X |
| T5s | 5-way connector, transmission |
| TV2 | Cable distributor for terminal 30 |
| T10 | 10-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
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| J537 | Control unit for Marelli 4LV (injection system) |
| N152 | Ignition transformer |
| P | Plug cap |
| Q | Spark plugs |
| SB24 | Fuse -24- in fusebox |
| SB30 | Fuse -30- in the fusebox |
| SB34 | Fuse -34- in the fusebox |
| SB36 | Fuse -36- in the fusebox |
| T51 | 5-way connector, engine |
| T10 | 10-way connector, green, in the wiring harness interconnection |
| T10d | 10-way connector, white, in the wiring harness interconnection |
| T10n | 10-way connector, grey, in the wiring harness interconnection |
| T14 | 14-way connector, engine |
| T14a | 14-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
| G40 | Hall sender |
| G212 | Exhaust gas recirculation potentiometer |
| J293 | Radiator fan control unit |
| J537 | Control unit for Marelli 4LV (injection system) |
| N18 | Exhaust gas recirculation valve |
| SB15 | Fuse -15- in the fusebox |
| SB37 | Fuse -37- in the fusebox |
| T10a | 10-way connector, red, in the wiring harness interconnection |
| T10d | 10-way connector, white, in the wiring harness interconnection |
| T14 | 14-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
| G28 | Engine revolution sender |
| G42 | Inlet air temperature sender |
| G71 | Inlet manifold pressure sender |
| G79 | Accelerator position sender |
| G185 | Sender -2- for the accelerator pedal position |
| J537 | Control unit for Marelli 4LV (injection system) |
| T14 | 14-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)
| G186 | Throttle valve control (electric accelerator control) |
| G187 | Angle sender -1- for throttle valve control (electric accelerator control) |
| G188 | Angle sender -2- for throttle valve control (electric accelerator control) |
| J104 | Control unit for ABS with EDS |
| J338 | Throttle valve control unit |
| J537 | Control unit for Marelli 4LV (injection system) |
| T10n | 10-way connector, grey, in the wiring harness interconnection |
| T14a | 14-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
| G61 | Knock sensor I |
| J362 | Immobilizer control unit |
| J537 | 4LV control unit (injection system) |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T5l | 5-pin connector, on engine |
| T10 | 10-pin connector, green, connector point |
| T10a | 10-pin connector, red, connector point |
| T10b | 10-pin connector, blue, connector point |
| T10n | 10-pin connector, grey, connector point |
| T14 | 14-pin connector, on engine |
| T14a | 14-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
| G39 | Lambda probe |
| G130 | Lambda probe after catalyst |
| J537 | 4LV control unit Marelli (injection system) |
| T10a | 10-pin connector, red, connector point |
| T10n | 10-pin connector, grey, connector point |
| T14a | 14-pin connector, brown, on engine |
| Z19 | Lambda probe heater |
| Z29 | Lambda 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
| F | Brake light switch) |
| F63 | Brake pedal switch |
| G22 | Speedometer sender |
| J17 | Fuel pump relay |
| J537 | Control unit for Marelli 4LV (injection system) |
| M10 | Right brake light bulb |
| M25 | High brake light bulb |
| N80 | Activated charcoal filter system solenoid valve I (pulsed) |
| T10 | 10-way connector, green, in the wiring harness interconnection |
| T10a | 10-way connector, red, in the wiring harness interconnection |
| T10c | 10-way connector, black, in the wiring harness interconnection |
| T14 | 14-way connector, engine |
| T14a | 14-way connector, brown, engine |
| T10d | 10-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
| F22 | Oil pressure switch 0,3 bar |
| G | Fuel level sender |
| G6 | Fuel pump (pre-supply pump) |
| G32 | Coolant level sender |
| N51 | thermal resistance for pre-heating the inlet manifold |
| SB40 | Fuse -40- in the fusebox |
| T51 | 5-way connector, engine |
| T10a | 10-way connector, red, in the wiring harness interconnection |
| T10c | 10-way connector, black, in the wiring harness interconnection |
| T14 | 14-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
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G21 | Speedometer |
| J285 | Control unit with warning lamps in the dash panel insert |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/level warning lamp |
| K105 | Fuel level indicator lamp |
| SB16 | Fuse -16- in the fusebox |
| T10 | 10-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)
| G5 | Rev. counter |
| J285 | Control unit with warning lamps in the dash panel insert |
| J362 | Immobiliser control unit |
| K2 | Alternator warning lamp |
| K83 | Exhaust gas warning lamp (EOBD) |
| K132 | Electric accelerator control warning lamp (EPC) |
| SB11 | Fuse -11- in the fusebox |
| T10a | 10-way connector, red, in the wiring harness interconnection |
| T10n | 10-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 |
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