Seat Leon / Seat Toledo / Seat Altea / Seat Altea XL since 2004, wiring diagrams (in Russian)
About the manual
Engine type: BXW / CGGB / CAXC / BSE / BSF / CCSA / CMXA / BFQ / CCSA / CMXA / BKC / BLS / BXE / AXR / BXF / BWJ / CDLD / BLR / BLY / BVY
Displacement: 1.4 / 1.6 / 1.8 / 2.0 / 1.9D / 2.0D L.
Power: 85 / 105 / 170 / 185 / 240 hp
In the manual you will find
- electrical wiring diagram for Seat Leon / Seat Toledo / Seat Altea / Seat Altea XL
About the manual
Engine type: BXW / CGGB / CAXC / BSE / BSF / CCSA / CMXA / BFQ / CCSA / CMXA / BKC / BLS / BXE / AXR / BXF / BWJ / CDLD / BLR / BLY / BVY
Displacement: 1.4 / 1.6 / 1.8 / 2.0 / 1.9D / 2.0D L.
Power: 85 / 105 / 170 / 185 / 240 hp
In the manual you will find
- electrical wiring diagram for Seat Leon / Seat Toledo / Seat Altea / Seat Altea XL
Content
Wiring diagrams
Description of electrical circuits
1.4L petrol engine
Generator, starter, battery
Starter / ignition switch, cruise control switch, cruise control system, steering column control unit
Supply voltage relay 30, steering column control unit
Fuses
Fuel pump, fuel pump relay, fuel delivery relay, fuel level indicator
Control unit, control unit 4HV
Ignition coils for the first, second, third and fourth cylinders with an output stage, spark plugs, spark plug connectors, heating element for crankcase breather, 4HV control unit
Supply voltage relay 50, engine speed sensor, 4HV control unit, throttle valve module
Charcoal filter solenoid valve 1, intake air temperature sensor, intake manifold pressure sensor, 4HV control unit
Knock sensor 1, Hall sensor, coolant temperature sensor, 4HV control unit
Fuel injectors, lambda probe after catalytic converter, 4HV control unit
Lambda probe, accelerator pedal position sensor, 4HV control unit
Brake light switch, cruise control brake pedal switch, clutch sensor, 4HV control unit
Coolant temperature sensor at radiator outlet, 4HV control unit
Relay 2 supply voltage 15, control unit
Instrument cluster, diagnostic data bus
Tachometer, fuel gauge, warning lamps, low coolant sensor indicator, coolant temperature sensor, speedometer
Warning lamp, oil pressure switch, instrument panel, oil level warning lamp, oil pressure warning lamp
1.6L petrol engine
Generator, battery, starter
Starter / ignition switch, cruise control switch, cruise control system, steering column control unit
Supply voltage relay 30, steering column control unit
Fuses
Fuel pump, fuel pump relay, Simos control unit power supply relay, fuel gauge
Exhaust manifold air supply motor, exhaust manifold air supply motor relay, Simos control unit
Spark plugs, intake manifold heating element, ignition converter, Simos control unit
Supply voltage relay 50, engine speed sensor, Simos control unit, throttle valve module
Charcoal filter solenoid valve 1, intake air temperature sensor, intake manifold control valve
Knock sensor 1, Hall sensor, coolant temperature sensor, Simos control unit
Fuel injectors, lambda probe after catalytic converter, Simos control unit
Lambda probe, accelerator pedal position sensor, Simos control unit
Brake light switch, cruise control brake pedal switch, clutch sensor, Simos control unit
Coolant temperature sensor at radiator outlet, Simos control unit
Relay 2 supply voltage 15, control unit
Instrument cluster, diagnostic data bus
Tachometer, fuel gauge, warning lamps, low coolant sensor indicator, coolant temperature sensor, speedometer
Warning lamp, oil pressure switch, instrument panel, oil level warning lamp, oil pressure warning lamp
1.8 L petrol engine
generator, battery, starter, voltage regulator
Starter / ignition switch, cruise control switch, cruise control system, steering column control unit
Relay for combined ignition and injection control (Motronic), steering column control unit
Fuses
Engine relay, coolant circulation relay, ECM
Fuel pump, fuel gauge, ECM, fuel pump control unit
Mass air flow sensor, lambda probe, coolant temperature sensor at radiator outlet, intake air temperature sensor 2, electronic engine control unit
Intake manifold potentiometer flap, fuel pressure sensor, Hall sensor, air pressure sensor, electronic engine control unit
Intake air temperature sensor, coolant temperature sensor indicator, engine speed sensor, knock sensor 1, ECM
Charcoal filter solenoid valve 1, boost pressure limiting solenoid valve, intake camshaft check valve 1, ECM
Ignition coils of the first and second cylinders with an output stage, spark plugs of the first and second cylinders, spark plug connectors, electronic engine control unit
Ignition coils of the third and fourth cylinders with an output stage, spark plugs of the third and fourth cylinders, spark plug connectors, electronic engine control unit, fuel pressure regulator
First cylinder fuel injector, second cylinder fuel injector, third cylinder fuel injector, fourth cylinder fuel injector, ECM
Supply voltage relay 50, ECM, throttle valve module
Coolant pump, accelerator pedal position sensor, accelerator pedal position sensor 2, electronic engine control unit
Brake light switch, brake pedal switch, clutch sensor, ECM
Control unit, electronic engine control unit
Relay 2 supply voltage 15, control unit
Instrument cluster, diagnostic data bus
Tachometer, fuel gauge, warning lamps, low coolant sensor indicator, coolant temperature sensor, speedometer
Warning lamp, oil pressure switch, instrument panel, oil level warning lamp, oil pressure warning lamp
2.0L petrol engine
Generator, battery, starter, voltage regulator
Starter / ignition switch, cruise control switch, cruise control system, steering column control unit
Relay for combined ignition and injection control (Motronic), steering column control unit
Fuses
Relay 2 for combined ignition and injection control (Motronic), coolant circulation relay, Motronic control unit
Fuel pump, fuel gauge, fuel pump control unit, Motronic control unit
Lambda probe, lambda probe after catalytic converter, Motronic control unit
Air flow sensor, coolant temperature sensor at radiator outlet, air pressure sensor in the cylinder, Motronic control unit
Intake air temperature sensor, fuel pressure sensor, Hall sensor, Motronic control unit
Intake manifold potentiometer flap, fuel pressure sensor (low pressure), coolant temperature sensor, Motronic control unit
Knock sensor 1, knock sensor 2, engine speed sensor, Motronic control unit
Charcoal filter solenoid valve 1, boost pressure limiting solenoid valve, intake camshaft check valve 1, Motronic control unit
Ignition coils of the first and second cylinders with an output stage, spark plugs of the first and second cylinders, spark plug connectors, Motronic control unit
Ignition coils for third and fourth cylinders with output stage, spark plugs for third and fourth cylinders, spark plug connectors, Motronic control unit, fuel pressure regulator
First cylinder fuel injector, second cylinder fuel injector, third cylinder fuel injector, fourth cylinder fuel injector, Motronic control unit
Supply voltage relay 50, Motronic control unit, throttle valve module
Coolant pump, accelerator pedal position sensor, accelerator pedal position sensor 2, Motronic control unit
Brake light switch, brake pedal switch, clutch sensor, Motronic control unit
Diagnostic connector, Motronic control unit
Relay 2 supply voltage 15, control unit
Instrument cluster, diagnostic data bus
Tachometer, fuel gauge, warning lamps, low coolant sensor indicator, coolant temperature sensor, speedometer
Warning lamp, oil pressure switch, instrument panel, oil level warning lamp, oil pressure warning lamp
Diesel engine 1.9 L
Generator, battery, starter
Starter / ignition switch, cruise control switch, steering column control unit
Supply voltage relay 30, steering column control unit
Fuel pump, fuel pump relay, fuel gauge
Fuses
Engine glow plugs, bulkhead bulkhead, glow plug control unit
Supply voltage relay 50, diesel control unit
Accelerator pedal position sensor, cylinder air pressure sensor, intake air temperature sensor, diesel control unit
Engine speed sensor, Hall sensor, coolant temperature sensor, diesel control unit
Diesel control unit, unit injectors
Intake manifold flap motor, intake manifold heating element, diesel control unit
Air flow sensor, fuel temperature sensor, coolant temperature sensor at radiator outlet, diesel control unit
Brake light switch, boost pressure limiting solenoid valve, EGR valve, EGR valve
Diagnostic connector, clutch sensor, diesel control unit
Relay 2 supply voltage 15, diesel control unit
Instrument cluster, diagnostic data bus
Tachometer, fuel gauge, warning lamps, low coolant gauge indicator, speedometer
Warning lamp, oil pressure switch, instrument panel, oil level warning lamp, oil pressure warning lamp
Diesel engine 2.0 l
Generator, battery, starter
Starter / Ignition Switch, Cruise Control Switch, Steering Column Control Unit
Supply voltage relay 30, steering column control unit
Fuel pump, fuel pump relay, fuel gauge
Fuses
Engine glow plugs, bulkhead, glow plug control unit (for 103 kW engine)
Engine Glow Plugs, Bulkhead, Glow Plug Control Unit (for 125 kW engine)
Supply voltage relay 50, diesel control unit
Accelerator pedal position sensor, cylinder air pressure sensor, intake air temperature sensor, diesel control unit (for 103 kW engine)
Accelerator pedal position sensor, cylinder air pressure sensor, intake air temperature sensor, diesel control unit (for 125 kW engine)
Engine speed sensor, Hall sensor, coolant temperature sensor, diesel control unit
Diesel control unit, unit injectors (for 103 kW engine)
Diesel control unit, unit injectors (for engine power 125 kW)
Intake manifold flap motor, exhaust gas pressure sensor 1, diesel control unit
Air flow sensor, fuel temperature sensor, coolant temperature sensor at radiator outlet, diesel control unit
Exhaust gas recirculation potentiometer, lambda probe, diesel control unit, EGR valve (for 103 kW engine)
Exhaust gas recirculation potentiometer, lambda probe, diesel control unit, EGR valve (for 125 kW engine)
Temperature sensor before particle filter, temperature sensor before turbocharger, temperature sensor after particle filter (for 103 kW engine)
Temperature sensor before particle filter, temperature sensor before turbocharger, temperature sensor after particle filter (for 125 kW engine)
Brake light switch, boost pressure limiting solenoid valve, diesel control unit, EGR valve (for 103 kW engine)
Brake light switch, boost pressure limiting solenoid valve, diesel control unit, EGR valve (for 125 kW engine)
Diagnostic connector, clutch sensor, diesel control unit
Relay 2 supply voltage 15, diesel control unit
Instrument cluster, diagnostic data bus
Tachometer, fuel gauge, warning lamps, low coolant gauge indicator, speedometer
Warning lamp, oil pressure switch, instrument panel, oil level warning lamp, oil pressure warning lamp
Standard Seat
Battery, fuses, supply voltage relay 2 30, supply voltage relay 2 15, control unit
Fuses, X-pin relay, control unit
Left front headlight bulb, left and right fog light bulbs, left headlight actuator
Right headlight bulb, dimmer switch and combination instrument panel, headlight range control, right headlight actuator
Rear fog light switch, light switch, fog light switch, light switch backlight
Stop lamps, rear turn signal lamps, control unit
Windshield wiper switch, intermittent wiper switch, intermittent wiper control, steering angle sensor
Starter / ignition switch, turn signal switch, low beam and light switch (high beam), cruise control switch, speed select button
Left and right reversing lamps, left and right rear lamps, left and right rear fog lamps, license plate lighting
Turn signal lamp, windscreen wiper motor, driver and front passenger side wiper motor control unit, washer pump relay 2
Washer pump, high-end brake light, rear window defroster, rear window wiper motor, rear window defogger relay, washer pump relay 1, control unit
High frequency beep, low frequency beep, dual beep relay
Mirror switch on the rear of the sun visor, mirror illumination on the rear of the sun visor, front reading lights, interior lighting with delayed switch-off
Cigarette lighter, rear reading lights, sockets, control unit
Hazard warning light switch, reversing light switch, control unit
Ballast resistor of the supply fan with overheating protection fuse, electric motor for controlling the ventilation flap, supply fan, heater control unit
Immobilizer read coil, parking brake limit switch, brake fluid warning sensor, instrument panel, immobilizer control unit
Oil pressure switch, instrument panel, outside air temperature sensor, low coolant level warning sensor
Instrument panel, warning lamps, control unit
Instrument panel, diagnostic data bus, warning lamps
Diagnostic connector, diagnostic data bus, control unit
