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Wiring Diagram SEAT LEON 2008 - Alternator - battery - starter - voltage regulator
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard supply control unit |
| SA1 | Fuse 1 on fuse holder/battery |
| SA5 | Fuse 5 on fuse holder/battery |
| T2 | 2-pin connector |
| T2c | 2-pin connector, near starter (in models without air conditioning system) |
| T4t | 4-pin connector, near starter (in models with air conditioning system) |
| 507 | Screw connection (30), on fuse holder on battery |
| A40 | Positive connection 1 (30), in dash panel wiring harness |
| * | only models with alternator 90A/110A |
| ** | only models with alternator 140A |
Wiring Diagram SEAT LEON 2008 - Ignition/starter switch - cruise control system switch - cruise control system button - steering column electronics control unit
| D | Ignition/starter switch |
| E45 | Cruise control system switch |
| E227 | Cruise control system (CCS) SET button |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| T20d | 20-pin connector |
| 332 | Connection 4, in dash panel wiring harness |
| 382 | Earth connection 17, in main wiring harness |
Wiring Diagram SEAT LEON 2008 - Motronic current supply relay - steering column electronics control unit
| J271 | Motronic current supply relay, in left engine compartment (100) |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| SB1 | Fuse 1 on fuse holder |
| SB2 | Fuse 2 on fuse holder |
| SB3 | Fuse 3 on fuse holder |
| SB4 | Fuse 4 on fuse holder |
| SB5 | Fuse 5 on fuse holder |
| T20d | 20-pin connector |
| T40 | 40-pin connector, under electronics box, in left engine compartment |
| B441 | Connection (CCS), in main wiring harness |
Wiring Diagram SEAT LEON 2008 - Fuses
| J519 | Onboard supply control unit |
| SB6 | Fuse 6 on fuse holder |
| SB7 | Fuse 7 on fuse holder |
| SB8 | Fuse 8 on fuse holder |
| SB9 | Fuse 9 on fuse holder |
| SB10 | Fuse 10 on fuse holder |
| SB11 | Fuse 11 on fuse holder |
| SB12 | Fuse 12 on fuse holder |
| SB13 | Fuse 13 on fuse holder |
| SB14 | Fuse 14 on fuse holder |
| SB15 | Fuse 15 on fuse holder |
| T14a | 14-pin connector, under air filter |
| T40 | 40-pin connector, under electronics box, in left engine compartment |
| D104 | Positive connection 2 (30a), in engine compartment wiring harness |
| E53 | Connection 2 (87a), in Motronic wiring harness |
Wiring Diagram SEAT LEON 2008 - Fuses
| J519 | Onboard supply control unit |
| SB16 | Fuse 16 on fuse holder |
| SB17 | Fuse 17 on fuse holder |
| SB18 | Fuse 18 on fuse holder |
| SB19 | Fuse 19 on fuse holder |
| SB21 | Fuse 21 on fuse holder |
| SB22 | Fuse 22 on fuse holder |
| SB23 | Fuse 23 on fuse holder |
| SB24 | Fuse 24 on fuse holder |
| SB25 | Fuse 25 on fuse holder |
| SB26 | Fuse 26 on fuse holder |
| SB28 | Fuse 28 on fuse holder |
| T14a | 14-pin connector, under air filter |
| T40 | 40-pin connector, under electronics box, in left engine compartment |
Wiring Diagram SEAT LEON 2008 - Coolant circulation pump - additional coolant pump relay
| J496 | Additional coolant pump relay, in left engine compartment (100) |
| J519 | Onboard supply control unit |
| SB20 | Fuse 20 on fuse holder |
| SB27 | Fuse 27 on fuse holder |
| SB29 | Fuse 29 on fuse holder |
| SB30 | Fuse 30 on fuse holder |
| T14a | 14-pin connector, under air filter |
| T40 | 40-pin connector, under electronics box, in left engine compartment |
| V50 | Coolant circulation pump |
Wiring Diagram SEAT LEON 2008 - Fuel pump - fuel gauge sender - engine control unit - fuel pump control unit
| G | Fuel gauge sender |
| G6 | Fuel pump |
| J519 | Onboard supply control unit |
| J538 | Fuel pump control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T5a | 5-pin connector |
| T10l | 10-pin connector |
| T94 | 94-pin connector |
| 369 | Earth connection 4, in main wiring harness |
| A30 | Connection (Motronic), in dash panel wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
Wiring Diagram SEAT LEON 2008 - Lambda probe - lambda probe after catalytic converter - radiator outlet coolant temperature sender
| G39 | Lambda probe |
| G83 | Radiator outlet coolant temperature sender |
| G130 | Lambda probe after catalytic converter |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T4l | 4-pin connector |
| T4m | 4-pin connector |
| T94 | 94-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| D182 | Connection 3 (87a), in engine compartment wiring harness |
Wiring Diagram SEAT LEON 2008 - Intake manifold pressure sender - fuel pressure sender - Hall sender - charge air pressure sender - engine control unit
| G31 | Charge air pressure sender |
| G40 | Hall sender |
| G42 | Intake air temperature sender |
| G71 | Intake manifold pressure sender |
| G247 | Fuel pressure sender |
| G299 | Intake air temperature sender 2 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T60 | 60-pin connector |
| 339 | Earth connection (sender earth), in injection system wiring harness |
| D141 | Connection (5V), in engine wiring harness |
| D174 | Connection -2- (5V), in engine wiring harness |
Wiring Diagram SEAT LEON 2008 - Coolant temperature sender - engine speed sender - knock sensor 1 - engine control unit
| G28 | Engine speed sender |
| G62 | Coolant temperature sender |
| G61 | Knock sensor 1 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T2y | 2-pin connector |
| T60 | 60-pin connector |
| 200 | Earth connection (screening), in engine compartment wiring harness |
Wiring Diagram SEAT LEON 2008 - Active charcoal filter system solenoid valve 1 - charge pressure control solenoid valve - inlet camshaft control valve 1 - engine control unit
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| N75 | Charge pressure control solenoid valve |
| N80 | Activated charcoal filter system solenoid valve 1 |
| N205 | Inlet camshaft control valve 1 |
| N249 | Turbocharger air recirculation valve |
| T4b | 4-pin connector, on lower left of radiator fan |
| T14a | 14-pin connector, under air filter |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V7 | Radiator fan |
| D180 | Connection (87a), in engine compartment wiring harness |
| D181 | Connection 2 (87a), in engine compartment wiring harness |
Wiring Diagram SEAT LEON 2008 - Ignition coils 1 and 2 with output stage - spark plugs 1 and 2 - spark plug connector 1 and 2 - engine control unit
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| P | Spark plug connector |
| Q | Spark plugs |
| T4g | 4-pin connector, on ignition coil 1 with output stage |
| T4h | 4-pin connector, on ignition coil 2 with output stage |
| T60 | 60-pin connector |
| 281 | Earth connection 1, in engine wiring harness |
| 306 | Earth connection (ignition coils), in engine harness |
| D189 | Earth connection (87a), in engine harness |
Wiring Diagram SEAT LEON 2008 - Ignition coils 3 and 4 with output stage - spark plugs 3 and 4 - spark plug connector 3 and 4 - engine control unit - fuel pressure regulating valve
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| N276 | Fuel pressure regulating valve |
| N291 | Ignition coil 3 with output stage |
| N292 | Ignition coil 4 with output stage |
| P | Spark plug connector |
| Q | Spark plugs |
| T4j | 4-pin connector, on ignition coil 3 with output stage |
| T4k | 4-pin connector, on ignition coil 4 with output stage |
| T14a | 14-pin connector, under air filter |
| T60 | 60-pin connector |
| 85 | Earth connection 1, in engine compartment wiring harness |
| 281 | Earth connection 1, in engine wiring harness |
| 306 | Earth connection (ignition coils), in engine harness |
| D189 | Earth connection (87a), in engine harness |
Wiring Diagram SEAT LEON 2008 - Injector - cylinder 1 - injector - cylinder 2 - injector - cylinder 3 - injector - cylinder 4 - engine control unit
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T60 | 60-pin connector |
Wiring Diagram SEAT LEON 2008 - Terminal 50 voltage supply relay - engine control unit - throttle valve module
| G186 | Throttle valve drive (electric power control) |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| J338 | Throttle valve module |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| J682 | Terminal 50 voltage supply relay, on relay carrier on left of dash panel (53) or (373) |
| T6x | 6-pin connector |
| T9a | 9-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| 132 | Earth connection 3, in engine compartment wiring harness |
| A41 | Positive connection (50), in dash panel wiring harness |
Wiring Diagram SEAT LEON 2008 - Accelerator position sender - accelerator position sender 2 - engine control unit
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T6h | 6-pin connector |
| T94 | 94-pin connector |
Wiring Diagram SEAT LEON 2008 - Brake light switch - brake pedal switch - cutch position sender - engine control unit
| F | Brake light switch |
| F47 | Brake pedal switch |
| G476 | Clutch position sender |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T4y | 4-pin connector |
| T5d | 5-pin connector |
| T94 | 94-pin connector |
| 383 | Earth connection 18, in main wiring harness |
| B131 | Connection (54), in interior wiring harness |
Wiring Diagram SEAT LEON 2008 - Engine control unit - onboard supply control unit
| J104 | ABS control unit with EDL |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, in centre of plenum chamber |
| T26a | 26-pin connector |
| T47 | 47-pin connector |
| T94 | 94-pin connector |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
Wiring Diagram SEAT LEON 2008 - Fuses - terminal 15 voltage supply relay 2 - onboard supply control unit
| J519 | Onboard supply control unit |
| J681 | Terminal 15 voltage supply relay 2, on onboard supply control unit (460) |
| SC2 | Fuse 2 on fuse holder |
| SC4 | Fuse 4 on fuse holder |
| SC27 | Fuse 27 on fuse holder |
| A38 | Positive connection 2 (15a), in dash panel wiring harness |
| A192 | Positive connection 3 (15a), in dash panel wiring harness |
| B278 | Positive connection 2 (15a), in main wiring harness |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
Wiring Diagram SEAT LEON 2008 - Dash panel insert - data bus diagnostic interface
| J285 | Display control unit in dash panel insert |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface, on left under dash panel |
| T20 | 20-pin connector |
| T36 | 36-pin connector |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
Wiring Diagram SEAT LEON 2008 - Rev. counter - fuel gauge - warning lamps - coolant shortage indicator sender - coolant temperature sender - speedometer
| G1 | Fuel gauge |
| G3 | Coolant temperature display sender |
| G5 | Rev. counter |
| G21 | Speedometer* |
| G32 | Coolant shortage indicator sender |
| J285 | Display control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K2 | Alternator warning lamp |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K31 | Cruise control system warning lamp |
| K83 | Exhaust emissions warning lamp |
| K105 | Reserve fuel warning lamp |
| K132 | Electric power control fault lamp |
| T36 | 36-pin connector |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| * | The vehicle speed signal is passed to the speedometer via the ABS speed sensor control unit |
Wiring Diagram SEAT LEON 2008 - Warning buzzer - oil pressure switch - dash panel insert - oil level warning lamp - oil pressure warning lamp - oil level and oil temperature sender
| F1 | Oil pressure switch |
| G266 | Oil level and oil temperature sender |
| H3 | Buzzer and gong |
| J285 | Display control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K3 | Oil pressure warning lamp |
| K38 | Oil level warning lamp |
| T6j | 6-pin connector |
| T14a | 14-pin connector, under air filter |
| T36 | 36-pin connector |
| 367 | Earth connection 2, in main wiring harness |
SEAT LEON 2008
SEAT LEON 2008 Control units overview
| q | Connector assigment |
| q | Connector |
| q | 50-pin connector assigment |
| q | 50-pin connector |
| q | 75-pin connector assigment |
| q | 75-pin connector |
| q | from November 2007: |
| q | 100-pin connector assigment |
| q | 100-pin connector |
| León | Fitting Locations | No. 805 / 2 |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| León | Fitting Locations | No. 805 / 3 |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| León | Fitting Locations | No. 805 / 4 |
| q | Connector assigment |
| q | Connector |
| q | Connector assigment |
| q | Connector |
| q | Connector |
| q | Description of signal |
| q | Connector assigment |
| q | Connector |
|
| A - | Convenience system central control unit -J393- |
| |||||||||||
| A - | Airbag control unit -J234- |
| A - | Display control unit in dash panel insert -J285- |
SEAT LEON 2008 Overview of fuses | Overview of fuses |
| q | from April 2005: |
| q | Position of fuses |
| q | from November 2005: |
| q | Position of fuses |
| q | from May 2006: |
| q | Position of fuses |
| q | from November 2006: |
| q | Position of fuses |
| q | from November 2008: |
| q | Location |
| q | Position of fuses |
| q | from April 2005: |
| q | Position of fuses |
| q | from November 2005: |
| q | Position of fuses |
| q | from May 2006: |
| q | Position of fuses |
| q | from November 2006: |
| q | Position of fuses |
| q | from May 2007: |
| q | Position of fuses |
| q | from May 2008: |
| q | Position of fuses |
| León | Fitting Locations | No. 802 / 2 |
| q | from April 2005: |
| q | Position of fuses |
| q | from November 2005: |
| q | Position of fuses |
| q | from May 2006: |
| q | Position of fuses |
| q | from November 2006: |
| q | Position of fuses |
| q | from May 2007: |
| q | Position of fuses |
| q | from November 2007: |
| q | Position of fuses |
| q | from May 2008: |
| q | Position of fuses |
SEAT LEON 2008 Fuse locations in electronics box, from April 2005
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SA1 - Fuse 1 on fuse holder battery | 150A | - | C - Alternator 90A / 110A | 30a |
| 200A | - | C - Alternator 140A | ||||
| 2 | - | SA2 - Fuse 2 on fuse holder battery | 80A | - | V187 - Electromechanical power steering motor | 30a |
| 3 | - | SA3 - Fuse 3 on fuse holder battery | 80A | V7- Radiator fan (power less than 500 W) | 30a | |
| 3 | - | SA3 - Fuse 3 on fuse holder battery | 50A | V7- Radiator fan (power more than 500 W) | 30a | |
| 4 | - | SA4 - Fuse 4 on fuse holder battery | - | - | - Vacant | |
| 5 | - | SA5 - Fuse 5 on fuse holder battery | 100A | - | Z35 - Auxiliary heater element | 30a |
| 6 | - | SA6 - Fuse 6 on fuse holder battery | 80A | - | - Fuse on fuse holder, left dash panel (SC 12 - SC 17, SC 20, SC22 - SC27, SC43, SC44, SC45) | 30a |
| 7 | - | SA7 -Fuse 7 on fuse holder battery | - | - | - Vacant | |
| A | - | 507 - Screw connection (30), on fuse holder on battery | - | - | A- Battery (+) | 30 |
SEAT LEON 2008 Fuse locations in electronics box, from November 2005
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SA1 - Fuse 1 on fuse holder battery | 150A | - | C - Alternator 90A / 110A | 30a |
| 200A | - | C - Alternator 140A | ||||
| 2 | - | SA2 - Fuse 2 on fuse holder battery | 80A | - | V187 - Electromechanical power steering motor | 30a |
| 3 | - | SA3 - Fuse 3 on fuse holder battery | 80A | - | V7- Radiator fan (power less than 500 W) | 30a |
| 50A | - | V7- Radiator fan (power more than 500 W) | ||||
| 4 | - | SA4 - Fuse 4 on fuse holder battery | - | - | - Vacant | |
| 5 | - | SA5 - Fuse 5 on fuse holder battery | 100A | - | Z35 - Auxiliary heater element | 30a |
| 6 | - | SA6 - Fuse 6 on fuse holder battery | 80A | - | - Fuse on fuse holder, left dash panel (SC 12 - SC 17, SC 20, SC22 - SC27, SC43, SC44, SC45) | 30a |
| 7 | - | SA7 -Fuse 7 on fuse holder battery | - | - | - Vacant | |
| A | - | 507 - Screw connection (30), on fuse holder on battery | - | - | A- Battery (+) | 30 |
SEAT LEON 2008 Fuse locations in electronics box, from May 2006
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SA1 - Fuse 1 on fuse holder battery | 150A | - | C - Alternator 90A / 110A | 30a |
| 200A | - | C - Alternator 140A | ||||
| 2 | - | SA2 - Fuse 2 on fuse holder battery | 80A | - | V187 - Electromechanical power steering motor | 30a |
| 3 | - | SA3 - Fuse 3 on fuse holder battery | 50A | - | V7 - Radiator fan | 30a |
| 4 | - | - | - | J386 - Driver door control unit (with Autolock function) J387 - Front passenger door control unit (with Autolock function) J388 - Rear left door control unit (with Autolock function) J389 - Rear right door control unit (with Autolock function) J393 - Convenience system central control unit (with Autolock function) | 30 | |
| 5 | - | SA5 - Fuse 5 on fuse holder battery | 100A | - | - Fuse on fuse holder, left dash panel (SC 12 - SC 17, SC 20, SC22 - SC27, SC43, SC44, SC45) | 30a |
| 6 | - | SA6 - Fuse 6 on fuse holder battery | 100A | - | Z35 - Auxiliary heater element | 30a |
| 7 | - | SA7 -Fuse 7 on fuse holder battery | - | - | - Vacant | |
| A | - | 507 - Screw connection (30), on fuse holder on battery | - | - | A- Battery (+) | 30 |
SEAT LEON 2008 Fuse locations in electronics box, from November 2006
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SA1 - Fuse 1 on fuse holder battery | 150A | - | C - Alternator 90A / 110A | 30a |
| 200A | - | C - Alternator 140A | ||||
| 2 | - | SA2 - Fuse 2 on fuse holder battery | 80A | - | V187 - Electromechanical power steering motor | 30a |
| 3 | - | SA3 - Fuse 3 on fuse holder battery | 50A | - | V7 - Radiator fan | 30a |
| 4 | - | - | - | J386 - Driver door control unit (with Autolock function) J387 - Front passenger door control unit (with Autolock function) J388 - Rear left door control unit (with Autolock function) J389 - Rear right door control unit (with Autolock function) J393 - Convenience system central control unit (with Autolock function) | 30 | |
| 5 | - | SA5 - Fuse 5 on fuse holder battery | 100A | - | - Fuse on fuse holder, left dash panel (SC 12 - SC 17, SC 20, SC22 - SC27, SC43, SC44, SC45) | 30a |
| 6 | - | SA6 - Fuse 6 on fuse holder battery | 80A | - | J360 - High heat output relay | 30a |
| 7 | - | SA7 -Fuse 7 on fuse holder battery | 40A | - | J359 - Low heat output relay | 30a |
| A | - | 507 - Screw connection (30), on fuse holder on battery | - | - | A- Battery (+) | 30 |
SEAT LEON 2008 Fuses (SA) on electronics box, on left of engine compartment, from November 2008
SEAT LEON 2008 Fuse locations in electronics box, from November 2008
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SA1 - Fuse 1 on fuse holder battery | 150A | - | C - Alternator 90A / 110A | 30a |
| 200A | - | C - Alternator 140A | ||||
| 2 | - | SA2 - Fuse 2 on fuse holder battery | 80A | - | V187 - Electromechanical power steering motor | 30a |
| 3 | - | SA3 - Fuse 3 on fuse holder battery | 50A | - | V7 - Radiator fan | 30a |
| 4 | - | SA4 - Fuse 4 on fuse holder battery | 80A | - | J360 - High heat output relay | 30a |
| 5 | - | SA5 - Fuse 5 on fuse holder battery | 80A | - | - Fuse on fuse holder, left dash panel (SC12 - SC17, SC22 - SC27, SC43, SC44, SC45) | 30a |
| 6 | - | SA6 - Fuse 6 on fuse holder battery | 40A | - | J359 - Low heat output relay | 30a |
| 7 | - | - | - | J386 - Driver door control unit (with Autolock function) J387 - Front passenger door control unit (with Autolock function) J388 - Rear left door control unit (with Autolock function) J389 - Rear right door control unit (with Autolock function) J393 - Convenience system central control unit (with Autolock function) | 30 | |
| A | - | 507 - Screw connection (30), on fuse holder on battery | - | - | A- Battery (+) | 30 |
SEAT LEON 2008 Fuses (SB) on electronics box, on left of engine compartment
| Fuse colours |
| 30 A - green |
| 25 A - white |
| 20 A - yellow |
| 15 A - blue |
| 10 A - red |
| 7.5 A - brown |
| 5 A - beige |
| 3 A - purple |
SEAT LEON 2008 Position of fuses, from April 2005
| León | Fitting Locations | No. 802 / 12 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F13 | - | SB13 - Fuse 13 on fuse holder | 25A | - | J220 - Motronic control unit (BLR and BWA1) J361 - Simos control unit (BSE) | 87 |
| 30A | - | J248- Diesel direct injection system control unit (AZV, BKC and BKD) | ||||
| F14 | - | SB14 - Fuse 14 on fuse holder | 20A | - | N70 - Ignition coil 1 with output stage (BLR and BWA1) N127 - Ignition coil 2 with output stage (BLR and BWA1) N152 - Ignition transformer (BSE) N291 - Ignition coil 3 with output stage (BLR and BWA1) N292 - Ignition coil 4 with output stage (BLR and BWA1) | 87 |
| F15 | - | SB15 - Fuse 15 on fuse holder | 5A | - | J17 - Fuel pump relay (AZV, BKC and BKD) J160 - Circulation pump relay (BWA1) J179- Automatic glow period control unit (AZV, BKC and BKD) | 87 |
| 10A | - | Z29 - Lambda probe 1 heater, downstream of catalytic converter (BLR) Z30 - Lambda probe 2 heater, downstream of catalytic converter (BLR) Z64 - Lambda probe 3 heater after catalytic converter (BLR) | ||||
| F16 | - | SB16 - Fuse 16 on fuse holder | 30A | - | J104- ABS control unit with EDL/ESP | 30 |
| F17 | - | SB17 - Fuse 17 on fuse holder | 15A | - | J519 - Onboard power supply control unit | 30 |
| F18 | - | Vacant | - | - | ||
| León | Fitting Locations | No. 802 / 14 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F24 | - | SB24 - Fuse 24 on fuse holder | 10A | - | F265 - Map-controlled engine cooling system thermostat (BLR) N18 - Exhaust gas recirculation valve (BSE) N80 - Activated charcoal filter system solenoid valve 1 (pulsed) (BLR and BSE) N156 - Variable intake manifold change-over valve (BLR and BSE) N205 - Inlet camshaft control valve 1 (BLR and BWA1) V7 - Radiator fan V157 - Intake manifold flap motor (AZV, BKC and BKD) | 87 |
| F25 | - | SB25 - Fuse 25 on fuse holder | 40A | - | J519 - Onboard power supply control unit | 30 |
| F26 | - | SB26 - Fuse 26 on fuse holder | 40A | - | J519 - Onboard power supply control unit | 30 |
| F27 | - | SB27 - Fuse 27 on fuse holder | 40A | - | V101- Secondary air pump motor (BSE) | 87 |
| 50A | - | J179- Automatic glow period control unit (AZV, BKC and BKD) | 30 | |||
| F28 | - | SB28 - Fuse 28 on fuse holder | 40A | - | J681 - Terminal 15 voltage supply relay 2 | 30 |
| F29 | - | SB29 - Fuse 29 on fuse holder | 30A | - | G273 - Interior monitoring sensor H12 - Alarm horn J39 - Headlight washer system relay J245 - Sliding sunroof adjustment control unit J393 - Convenience system central control unit | 30 |
| 50A | - | G273 - Interior monitoring sensor H12 - Alarm horn J39 - Headlight washer system relay J245 - Sliding sunroof adjustment control unit J388 - Rear left door control unit J389 - Rear right door control unit J393 - Convenience system central control unit | ||||
| F30 | - | SB30 - Fuse 30 on fuse holder | 40A | - | J59 - X-contact relief relay | 30 |
SEAT LEON 2008 Position of fuses, from November 2005
| León | Fitting Locations | No. 802 / 16 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F13 | - | SB13 - Fuse 13 on fuse holder | 25A | - | J220 - Motronic control unit (BVY, BVZ and BWA1) J361 - Simos control unit (BSE and BSF) | 87 |
| 30A | - | J248- Diesel direct injection system control unit (AZV, BKC, BKD, BLS, BMM and BXE) | ||||
| F14 | - | SB14 - Fuse 14 on fuse holder | 20A | - | N70 - Ignition coil 1 with output stage (BVY, BVZ and BWA1) N127 - Ignition coil 2 with output stage (BVY, BVZ and BWA1) N152 - Ignition transformer (BSE and BSF) N291 - Ignition coil 3 with output stage (BVY, BVZ and BWA1) N292 - Ignition coil 4 with output stage (BVY, BVZ and BWA1) | 87 |
| F15 | - | SB15 - Fuse 15 on fuse holder | 5A | - | J17 - Fuel pump relay (AZV, BKC, BKD, BLS, BMM and BXE) J160 - Circulation pump relay (BWA1) J179- Automatic glow period control unit (AZV, BKC, BKD, BLS, BMM and BXE) | 87 |
| 10A | - | Z29 - Lambda probe 1 heater after catalytic converter (BVY and BVZ) Z30 - Lambda probe 2 heater after catalytic converter (BVY) Z64 - Lambda probe 3 heater after catalytic converter (BVY) | ||||
| F16 | - | SB16 - Fuse 16 on fuse holder | 30A | - | J104- ABS control unit with EDL/ESP | 30 |
| F17 | - | SB17 - Fuse 17 on fuse holder | 15A | - | J519 - Onboard power supply control unit | 30 |
| F18 | - | Vacant | - | - | ||
| F19 | - | SB19 - Fuse 19 on fuse holder | 30A | - | J400- Driver side wiper motor control unit | 30 |
| León | Fitting Locations | No. 802 / 18 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F24 | - | SB24 - Fuse 24 on fuse holder | 10A | - | J293 - Radiator fan control unit N18 - Exhaust gas recirculation valve (BSE and BSF) N80 - Activated charcoal filter system solenoid valve 1 (pulsed) (BSE, BSF, BVY and BVZ) N156 - Variable intake manifold change-over valve (BSE, BSF, BVY and BVZ) N205 - Inlet camshaft control valve 1 (BVY, BVZ and BWA1) V7 - Radiator fan V157 - Intake manifold flap motor (AZV, BKC, BKD and BXE) | 87 |
| F25 | - | SB25 - Fuse 25 on fuse holder | 40A | - | J519 - Onboard power supply control unit | 30 |
| F26 | - | SB26 - Fuse 26 on fuse holder | 40A | - | J519 - Onboard power supply control unit | 30 |
| F27 | - | SB27 - Fuse 27 on fuse holder | 40A | - | V101- Secondary air pump motor (BSE) | 87 |
| 50A | - | J179- Automatic glow period control unit (AZV, BKC, BKD, BLS, BMM and BXE) | 30 | |||
| F28 | - | SB28 - Fuse 28 on fuse holder | 40A | - | J681 - Terminal 15 voltage supply relay 2 | 30 |
| F29 | - | SB29 - Fuse 29 on fuse holder | 30A | - | G273 - Interior monitoring sensor H12 - Alarm horn J39 - Headlight washer system relay J245 - Sliding sunroof adjustment control unit J393 - Convenience system central control unit | 30 |
| 50A | - | G273 - Interior monitoring sensor H12 - Alarm horn J39 - Headlight washer system relay J245 - Sliding sunroof adjustment control unit J388 - Rear left door control unit J389 - Rear right door control unit J393 - Convenience system central control unit | ||||
| F30 | - | SB30 - Fuse 30 on fuse holder | 40A | - | J59 - X-contact relief relay | 30 |
SEAT LEON 2008 Position of fuses, from May 2006
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F1 | - | SB1 - Fuse 1 on fuse holder | 30A | - | J584- Front passenger side wiper motor control unit | 30 |
| F2 | - | SB2 - Fuse 2 on fuse holder | 5A | - | J527 - Steering column electronics control unit | 30 |
| F3 | - | SB3 - Fuse 3 on fuse holder | 5A | - | J519 - Onboard power supply control unit (via F/7) | 30 |
| F4 | - | SB4 - Fuse 4 on fuse holder | 30A | - | J104- ABS control unit with EDL/ESP | 30 |
| F5 | - | SB5 - Fuse 5 on fuse holder | 15A | - | J743- Mechatronic unit for dual clutch gearbox (AZV, BKD, BMM and BWA) | 30 |
| F6 | - | SB6 - Fuse 6 on fuse holder | 5A | - | J285-Control unit with display in dash panel insert | 30 |
| F7 | - | Vacant | - | - | ||
| F8 | - | SB8 - Fuse 8 on fuse holder | 15A | - | J503 - Control unit with display for radio and navigation system R - Radio | 30 |
| F9 | - | SB9 - Fuse 9 on fuse holder | 5A | - | J412 - Mobile telephone operating electronics control unit R36 - Telephone transmitter and receiver unit R94 - Navigation system interface (Tom-Tom Navigator) | 30 |
| F10 | - | SB10 - Fuse 10 on fuse holder | 5A | - | J220 - Motronic control unit (BVY and BVZ) J317 - Terminal 30 voltage supply relay (AZV, BKC, BKD, BLS, BMM, BMN and BXE) J271 - Motronic current supply relay (BVY and BVZ) | 30 |
| 10A | - | J220 - Motronic control unit (BWA) J271 - Motronic current supply relay (BWA) J317 - Terminal 30 voltage supply relay (BXW) J537 - 4HV control unit (BXW) | ||||
| León | Fitting Locations | No. 802 / 21 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F16 | - | SB16 - Fuse 16 on fuse holder | 30A | - | J104- ABS control unit with EDL/ESP | 30 |
| F17 | - | SB17 - Fuse 17 on fuse holder | 15A | - | J519 - Onboard power supply control unit (via J/3) | 30 |
| F18 | - | Vacant | - | - | ||
| F19 | - | SB19 - Fuse 19 on fuse holder | 30A | - | J400- Driver side wiper motor control unit | 30 |
| F20 | - | Vacant | - | - | ||
| F21 | - | SB21 - Fuse 21 on fuse holder | 10A | - | Z19 - Lambda probe heater (BLS, BMM and BMN) | 87 |
| 15A | - | Z19 - Lambda probe heater (BVY and BVZ) G39 - Lambda probe (BSE, BSF and BXW) G130 - Lambda probe after catalytic converter (BSE, BSF and BXW) | ||||
| F22 | - | SB22 - Fuse 22 on fuse holder | 5A | - | G476- Clutch position sender | 87 |
| León | Fitting Locations | No. 802 / 23 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F25 | - | SB25 - Fuse 25 on fuse holder | 30A | - | J519 - Onboard power supply control unit (via A/1) | 30 |
| F26 | - | SB26 - Fuse 26 on fuse holder | 30A | - | J519 -Onboard power supply control unit (via D/1) | 30 |
| F27 | - | SB27 - Fuse 27 on fuse holder | 40A | - | V101- Secondary air pump motor (BSE) | 87 |
| 50A | - | J179- Automatic glow period control unit (AZV, BKC, BKD, BLS, BMM, BMN and BXE) | 30 | |||
| F28 | - | SB28 - Fuse 28 on fuse holder | 40A | - | J681 - Terminal 15 voltage supply relay 2 | 30 |
| F29 | - | SB29 - Fuse 29 on fuse holder | 50A | - | J245 - Sliding sunroof adjustment control unit J393-Convenience system central control unit (without Autolock function) J774 -Heated front seats control unit | 30 |
| F30 | - | SB30 - Fuse 30 on fuse holder | 50A | - | J59 - X-contact relief relay | 30 |
SEAT LEON 2008 Position of fuses, from November 2006
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F1 | - | SB1 - Fuse 1 on fuse holder | 30A | - | J584- Front passenger side wiper motor control unit | 30 |
| F2 | - | SB2 - Fuse 2 on fuse holder | 5A | - | J527 - Steering column electronics control unit | 30 |
| F3 | - | SB3 - Fuse 3 on fuse holder | 5A | - | J519 - Onboard power supply control unit (via F/7) | 30 |
| F4 | - | SB4 - Fuse 4 on fuse holder | 30A | - | J104- ABS control unit with EDL/ESP | 30 |
| F5 | - | SB5 - Fuse 5 on fuse holder | 15A | - | J743- Mechatronic unit for dual clutch gearbox (AZV, BKD, BMM and BWA) | 30 |
| F6 | - | SB6 - Fuse 6 on fuse holder | 5A | - | J285-Control unit with display in dash panel insert | 30 |
| F7 | - | Vacant | - | - | ||
| F8 | - | SB8 - Fuse 8 on fuse holder | 15A | - | J503 - Control unit with display for radio and navigation system R - Radio | 30 |
| F9 | - | SB9 - Fuse 9 on fuse holder | 5A | - | J412 - Mobile telephone operating electronics control unit R36 - Telephone transmitter and receiver unit R94 - Navigation system interface (Tom-Tom Navigator) | 30 |
| F10 | - | SB10 - Fuse 10 on fuse holder | 5A | - | J220 - Motronic control unit (BVY and BVZ) J317 - Terminal 30 voltage supply relay (AZV, BKC, BKD, BLS, BMM, BMN and BXE) J271 - Motronic current supply relay (BVY and BVZ) | 30 |
| 10A | - | J220 - Motronic control unit (BWA and BWJ) J271 - Motronic current supply relay (BWA and BWJ) J317 - Terminal 30 voltage supply relay (BXW) J537 - 4HV control unit (BXW) | ||||
| León | Fitting Locations | No. 802 / 26 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F15 | - | SB15 - Fuse 15 on fuse holder | 10A | - | - Injectors (BXW) J160 - Circulation pump relay (BWA and BWJ) Z29 - Lambda probe 1 heater after catalytic converter (BVY and BVZ) Z30 - Lambda probe 2 heater after catalytic converter (BVY) Z64 - Lambda probe 3 heater after catalytic converter (BVY) | 87 |
| F16 | - | SB16 - Fuse 16 on fuse holder | 30A | - | J104- ABS control unit with EDL/ESP | 30 |
| F17 | - | SB17 - Fuse 17 on fuse holder | 15A | - | J519 - Onboard power supply control unit (via J/3) | 30 |
| F18 | - | Vacant | - | - | ||
| F19 | - | SB19 - Fuse 19 on fuse holder | 30A | - | J400- Driver side wiper motor control unit | 30 |
| F20 | - | Vacant | - | - | ||
| F21 | - | SB21 - Fuse 21 on fuse holder | 10A | - | Z19 - Lambda probe heater (BLS, BMM and BMN) | 87 |
| 15A | - | Z19 - Lambda probe heater (BVY and BVZ) G39 - Lambda probe (BSE, BSF and BXW) G130 - Lambda probe after catalytic converter (BSE, BSF and BXW) | ||||
| F22 | - | SB22 - Fuse 22 on fuse holder | 5A | - | G476- Clutch position sender | 87 |
| León | Fitting Locations | No. 802 / 28 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F24 | - | SB24 - Fuse 24 on fuse holder | 10A | - | N80 - Activated charcoal filter system solenoid valve 1 (pulsed) (BSE, BSF, BVY, BVZ and BXW) N156 - Variable intake manifold change-over valve (BSE, BSF, BVY and BVZ) N205 - Inlet camshaft control valve 1 (BVY, BVZ, BWA and BWJ) V7 - Radiator fan V157 - Intake manifold flap motor (AZV, BKC, BKD and BXE) | 87 |
| F25 | - | SB25 - Fuse 25 on fuse holder | 30A | - | J519 - Onboard power supply control unit (via A/1) | 30 |
| F26 | - | SB26 - Fuse 26 on fuse holder | 30A | - | J519 -Onboard power supply control unit (via D/1) | 30 |
| F27 | - | SB27 - Fuse 27 on fuse holder | 40A | - | V101- Secondary air pump motor (BSE) | 87 |
| 50A | - | J179- Automatic glow period control unit (AZV, BKC, BKD, BLS, BMM, BMN and BXE) | 30 | |||
| F28 | - | SB28 - Fuse 28 on fuse holder | 40A | - | J681 - Terminal 15 voltage supply relay 2 | 30 |
| F29 | - | SB29 - Fuse 29 on fuse holder | 50A | - | J245 - Sliding sunroof adjustment control unit J393-Convenience system central control unit (without Autolock function) J774 -Heated front seats control unit | 30 |
| F30 | - | SB30 - Fuse 30 on fuse holder | 50A | - | J59 - X-contact relief relay | 30 |
SEAT LEON 2008 Position of fuses, from May 2007
| León | Fitting Locations | No. 802 / 30 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F10 | - | SB10 - Fuse 10 on fuse holder | 5A | - | J220 - Motronic control unit (BVY and BVZ) J271 - Motronic current supply relay (BVY, BVZ and CAXC) J317 - Terminal 30 voltage supply relay (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) J623 - Engine control unit (CAXC) | 30 |
| 10A | - | J220 - Motronic control unit (BWA and BWJ) J271 - Motronic current supply relay (BWA, BWJ and BZB) J317 - Terminal 30 voltage supply relay (BXW) J537 - 4HV control unit (BXW) J623 - Engine control unit (BZB) | ||||
| F11 | - | Vacant | - | - | ||
| F12 | - | SB12 - Fuse 12 on fuse holder | 5A | - | J533 - Data bus diagnostic interface | 30 |
| F13 | - | SB13 - Fuse 13 on fuse holder | 15A | - | J220 - Motronic control unit (BVY, BVZ, BWA and BWJ) J361 - Simos control unit (BSE, BSF and CCSA) J537 - 4HV control unit (BXW) J623 - Engine control unit (BZB and CAXC) | 87 |
| 30A | - | J248 - Diesel direct injection system control unit (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) | ||||
| F14 | - | SB14 - Fuse 14 on fuse holder | 20A | - | N70 - Ignition coil 1 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) N127 - Ignition coil 2 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) N152 - Ignition transformer (BSE, BSF and CCSA) N291 - Ignition coil 3 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) N292 - Ignition coil 4 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) | 87 |
| León | Fitting Locations | No. 802 / 32 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F21 | - | SB21 - Fuse 21 on fuse holder | 10A | - | Z19 - Lambda probe heater (BLS, BMM and BMN) | 87 |
| 15A | - | Z19 - Lambda probe heater (BVY, BVZ and BZB) G39 - Lambda probe (BSE, BSF, BXW and CCSA) G130 - Lambda probe after catalytic converter (BSE, BSF, BXW and CCSA) | ||||
| F22 | - | SB22 - Fuse 22 on fuse holder | 5A | - | G476- Clutch position sender | 87 |
| F23 | - | SB23 - Fuse 23 on fuse holder | 5A | - | J151 - Continued coolant circulation relay (BZB) J160 - Circulation pump relay (BWA and BWJ) J299 - Secondary air pump relay (BSE and CCSA) J670 - Motronic current supply relay 2 (BWA and BWJ) | 87 |
| 10A | - | N18 - Exhaust gas recirculation valve (AZV, BKC, BKD, BXE and BXF) N75 - Charge pressure control solenoid valve (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) N316 - Intake manifold flap valve (BMN) N345 - Exhaust gas recirculation cooler change-over valve (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) | ||||
| 15A | - | N276 - Fuel pressure regulating valve (BVY, BVZ and CAXC) | ||||
| León | Fitting Locations | No. 802 / 34 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F29 | - | SB29 - Fuse 29 on fuse holder | 50A | - | J245 - Sliding sunroof adjustment control unit J393-Convenience system central control unit (without Autolock function) J774 -Heated front seats control unit J39 - Headlight washer system relay | 30 |
| F30 | - | SB30 - Fuse 30 on fuse holder | 50A | - | J59 - X-contact relief relay | 30 |
SEAT LEON 2008 Position of fuses, from May 2008
| León | Fitting Locations | No. 802 / 36 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F10 | - | SB10 - Fuse 10 on fuse holder | 5A | - | J220 - Motronic control unit (BVY and BVZ) J271 - Motronic current supply relay (BVY, BVZ and CAXC) J317 - Terminal 30 voltage supply relay (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) J623 - Engine control unit (CAXC) | 30 |
| 10A | - | J220 - Motronic control unit (BWA and BWJ) J271 - Motronic current supply relay (BWA, BWJ and BZB) J317 - Terminal 30 voltage supply relay (BXW) J537 - 4HV control unit (BXW) J623 - Engine control unit (BZB) | ||||
| F11 | - | Vacant | - | - | ||
| F12 | - | SB12 - Fuse 12 on fuse holder | 5A | - | J533 - Data bus diagnostic interface | 30 |
| F13 | - | SB13 - Fuse 13 on fuse holder | 15A | - | J220 - Motronic control unit (BVY, BVZ, BWA and BWJ) J361 - Simos control unit (BSE, BSF and CCSA) J537 - 4HV control unit (BXW) J623 - Engine control unit (BZB and CAXC) | 87 |
| 30A | - | J248 - Diesel direct injection system control unit (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) | ||||
| F14 | - | SB14 - Fuse 14 on fuse holder | 20A | - | N70 - Ignition coil 1 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) N127 - Ignition coil 2 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) N152 - Ignition transformer (BSE, BSF and CCSA) N291 - Ignition coil 3 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) N292 - Ignition coil 4 with output stage (BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC) | 87 |
| León | Fitting Locations | No. 802 / 38 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F21 | - | SB21 - Fuse 21 on fuse holder | 10A | - | Z19 - Lambda probe heater (BLS, BMM and BMN) | 87 |
| 15A | - | Z19 - Lambda probe heater (BVY, BVZ and BZB) G39 - Lambda probe (BSE, BSF, BXW and CCSA) G130 - Lambda probe after catalytic converter (BSE, BSF, BXW and CCSA) | ||||
| F22 | - | SB22 - Fuse 22 on fuse holder | 5A | - | G476- Clutch position sender | 87 |
| F23 | - | SB23 - Fuse 23 on fuse holder | 5A | - | J151 - Continued coolant circulation relay (BZB) J160 - Circulation pump relay (BWA and BWJ) J299 - Secondary air pump relay (BSE and CCSA) J670 - Motronic current supply relay 2 (BWA and BWJ) | 87 |
| 10A | - | N18 - Exhaust gas recirculation valve (AZV, BKC, BKD, BXE and BXF) N75 - Charge pressure control solenoid valve (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) N316 - Intake manifold flap valve (BMN) N345 - Exhaust gas recirculation cooler change-over valve (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) | ||||
| 15A | - | N276 - Fuel pressure regulating valve (BVY, BVZ and CAXC) | ||||
| León | Fitting Locations | No. 802 / 40 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| F29 | - | SB29 - Fuse 29 on fuse holder | 50A | - | J245 - Sliding sunroof adjustment control unit J393-Convenience system central control unit (without Autolock function) J774 -Heated front seats control unit J39 - Headlight washer system relay | 30 |
| F30 | - | SB30 - Fuse 30 on fuse holder | 50A | - | J59 - X-contact relief relay | 30 |
SEAT LEON 2008 Fuses (SC) in fuse holder under left dash panel
| Fuse colours |
| 30 A - green |
| 25 A - white |
| 20 A - yellow |
| 15 A - blue |
| 10 A - red |
| 7.5 A - brown |
| 5 A - beige |
| 3 A - purple |
SEAT LEON 2008 Position of fuses, from April 2005
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SC1 - Fuse 1 on fuse holder | 10A | - | - Diagnosis connection (T16/1) J220 - Motronic control unit (BLR and BWA1) J248- Diesel direct injection system control unit (AZV, BKC and BKD) J317 - Terminal 30 voltage supply relay (BSE) J361 - Simos control unit (BSE) J363 - Current supply relay for Simos control unit (BSE) J538 - Fuel pump control unit (BLR and BWA1) | 15 |
| 2 | - | SC2 - Fuse 2 on fuse holder | 5A | - | J104 - ABS control unit with EDL | 15 |
| 3 | - | SC3 - Fuse 3 on fuse holder | 5A | - | J234 - Airbag control unit K145 - Front passenger side airbag deactivated warning lamp | 15 |
| 4 | - | SC4 - Fuse 4 on fuse holder | 5A | - | E16- Heater/heat output switch E226 - Tyre pressure monitor button E256 - TCS and ESP button F4 - Reversing light switch G65 - High-pressure sender J131 - Heated driver seat control unit J132 - Heated front passenger seat control unit J255 - Climatronic control unit | 15 |
| 5 | - | SC5 - Fuse 5 on fuse holder | 5A | - | E102 - Headlight range control regulator J431 - Headlight range control, control unit V48 - Left headlight range control motor V49 - Right headlight range control motor | 15 |
| León | Fitting Locations | No. 802 / 44 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 17 | - | SC17 - Fuse 17 on fuse holder | 5A | - | G397 - Rain and light detector sensor | 30 |
| 18 | - | SC18 - Fuse 18 on fuse holder | 5A | - | E313 - Selector lever (AZV, BKD and BWA1) F189 - Tiptronic switch (BLR) J446 - Parking aid control unit | 30 |
| 19 | - | Vacant | - | - | ||
| 20 | - | SC20 - Fuse 20 on fuse holder | 5A | - | J104- ABS control unit with EDL/ESP | 30 |
| 21 | - | Vacant | - | - | ||
| 22 | - | SC22 - Fuse 22 on fuse holder | 40A | - | V2 - Fresh air blower | 30 |
| 23 | - | SC23 - Fuse 23 on fuse holder | 30A | - | J386 - Driver door control unit J387 - Front passenger side door control unit | 30 |
| 24 | - | SC24 - Fuse 24 on fuse holder | 25A | - | U1 - Cigarette lighter | 30 |
| 25 | - | SC25-Fuse 25 on fuse holder | 25A | - | J519 - Onboard power supply control unit | 30 |
| 26 | - | SC26 - Fuse 26 on fuse holder | 30A | - | U5- 12 V socket, rear U18 - 12 V socket 2, in luggage compartment | 30 |
| 27 | - | SC27 - Fuse 27 on fuse holder | 15A | - | J17 - Fuel pump relay (AZV, BKC, BKD and BSE) J363 - Current supply relay for Simos control unit (BSE) J538 - Fuel pump control unit (BLR and BWA1) | 30 |
| 28 | - | Vacant | - | - | ||
| 29 | - | SC29 - Fuse 29 on fuse holder | 10A | - | G70 - Air mass meter N51- Intake manifold preheating heater element | 15 |
| 30 | - | SC30 - Fuse 30 on fuse holder | 20A | - | - Injectors (BSE) | 15 |
| León | Fitting Locations | No. 802 / 46 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 46 | - | SC46 - Fuse 46 on fuse holder | 5A | - | E16- Heater/heat output switch J255 - Climatronic control unit J301 - Air conditioning system control unit Z20 - Left washer jet heater element Z21 - Right washer jet heater element | 75 |
| 47 | - | SC47 - Fuse 47 on fuse holder | 10A | - | Z19- Lambda probe heater (BWA1) | 87 |
| 48 | - | SC48 - Fuse 48 on fuse holder | 10A | - | Z29- Lambda probe 1 heater after catalytic converter (BWA1) | 87 |
| 49 | - | SC49 - Fuse 49 on fuse holder | 7.5A | - | E1 - Lighting switch | 75 |
SEAT LEON 2008 Position of fuses, from November 2005
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SC1 - Fuse 1 on fuse holder | 10A | - | - Diagnosis connection (T16/1) J220 - Motronic control unit (BVY, BVZ and BWA1) J248- Diesel direct injection system control unit (AZV, BKC, BKD, BLS, BMM and BXE) J317 - Terminal 30 voltage supply relay (BSE and BSF) J361 - Simos control unit (BSE and BSF) J363 - Current supply relay for Simos control unit (BSE and BSF) J538 - Fuel pump control unit (BVY, BVZ and BWA1) | 15 |
| 2 | - | SC2 - Fuse 2 on fuse holder | 5A | - | F - Brake light switch J104 - ABS control unit with EDL | 15 |
| 3 | - | SC3 - Fuse 3 on fuse holder | 5A | - | J234 - Airbag control unit K145 - Front passenger side airbag deactivated warning lamp | 15 |
| 4 | - | SC4 - Fuse 4 on fuse holder | 5A | - | E16- Heater/heat output switch E226 - Tyre pressure monitor button E256 - TCS and ESP button F4 - Reversing light switch G65 - High-pressure sender J255 - Climatronic control unit | 15 |
| 5 | - | SC5 - Fuse 5 on fuse holder | 5A | - | E102 - Headlight range control regulator J431 - Headlight range control, control unit V48 - Left headlight range control motor V49 - Right headlight range control motor | 15 |
| León | Fitting Locations | No. 802 / 49 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 17 | - | SC17 - Fuse 17 on fuse holder | 5A | - | G397 - Rain and light detector sensor | 30 |
| 18 | - | SC18 - Fuse 18 on fuse holder | 5A | - | E313 - Selector lever (AZV, BKD, BMM and BWA1) F189 - Tiptronic switch (BVY and BVZ) J446 - Parking aid control unit | 30 |
| 19 | - | Vacant | - | - | ||
| 20 | - | SC20 - Fuse 20 on fuse holder | 5A | - | J104- ABS control unit with EDL/ESP | 30 |
| 21 | - | SC21-Fuse 21 on fuse holder | 10A | - | N276- Fuel pressure regulating valve (BWA1) | 87 |
| 22 | - | SC22 - Fuse 22 on fuse holder | 40A | - | V2 - Fresh air blower | 30 |
| 23 | - | SC23 - Fuse 23 on fuse holder | 30A | - | J386 - Driver door control unit J387 - Front passenger side door control unit | 30 |
| 24 | - | SC24 - Fuse 24 on fuse holder | 25A | - | U1 - Cigarette lighter | 30 |
| 25 | - | SC25-Fuse 25 on fuse holder | 25A | - | J519 - Onboard power supply control unit | 30 |
| 26 | - | SC26 - Fuse 26 on fuse holder | 30A | - | U5- 12 V socket, rear U18 - 12 V socket 2, in luggage compartment | 30 |
| 27 | - | SC27 - Fuse 27 on fuse holder | 15A | - | J17 - Fuel pump relay (AZV, BKC, BKD, BLS, BMM, BSE, BSF and BXE) J363 - Current supply relay for Simos control unit (BSE and BSF) J538 - Fuel pump control unit (BVY, BVZ and BWA1) | 87 |
| 28 | - | Vacant | - | - | ||
| 29 | - | SC29 - Fuse 29 on fuse holder | 10A | - | G70 - Air mass meter N51- Intake manifold preheating heater element | 15 |
| León | Fitting Locations | No. 802 / 51 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 42 | - | SC42 - Fuse 42 on fuse holder | 15A | - | J519 - Onboard power supply control unit | 75 |
| 43 | - | SC43 - Fuse 43 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 44 | - | SC44 - Fuse 44 on fuse holder | 20A | - | J345 - Trailer detector control unit | 30 |
| 45 | - | SC45 - Fuse 45 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 46 | - | SC46 - Fuse 46 on fuse holder | 5A | - | E16- Heater/heat output switch J255 - Climatronic control unit J301 - Air conditioning system control unit Z20 - Left washer jet heater element Z21 - Right washer jet heater element | 75 |
| 47 | - | SC47 - Fuse 47 on fuse holder | 10A | - | Z19- Lambda probe heater (BWA1) | 87 |
| 48 | - | SC48 - Fuse 48 on fuse holder | 10A | - | Z29- Lambda probe 1 heater after catalytic converter (BWA1) | 87 |
| 49 | - | SC49 - Fuse 49 on fuse holder | 7.5A | - | E1 - Lighting switch | 75 |
SEAT LEON 2008 Position of fuses, from May 2006
| León | Fitting Locations | No. 802 / 53 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 2 | - | SC2 - Fuse 2 on fuse holder | 10A | - | E1 - Lighting switch F - Brake light switch F189 - Tiptronic switch (BVY and BVZ) J104- ABS control unit with EDL/ESP J220 - Motronic control unit (BVY, BVZ and BWA) J248 - Diesel direct injection system control unit (AZV, BKC, BKD, BLS, BMM, BMN and BXE) J317 - Terminal 30 voltage supply relay (BSE and BSF) J345 - Trailer detector control unit J361 - Simos control unit (BSE and BSF) J363 - Current supply relay for Simos control unit (BSE and BSF) J500 - Power steering control unit J533 - Data bus diagnostic interface J538 - Fuel pump control unit (BVY, BVZ and BWA) J587 - Selector lever sensors control unit (AZV, BKD, BMM, BWA) J643 - Fuel supply relay (BXW) J743 - Mechatronic unit for dual clutch gearbox (AZV, BKD, BMM, BWA) K - Dash panel insert V48 - Left headlight range control motor V49 - Right headlight range control motor | 15 |
| 3 | - | SC3 - Fuse 3 on fuse holder | 5A | - | J234 - Airbag control unit K145 - Front passenger side airbag deactivated warning lamp | 15 |
| León | Fitting Locations | No. 802 / 55 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 13 | - | SC13 - Fuse 13 on fuse holder | 10A | - | - Diagnosis connection (T16/16) E1 - Lighting switch G397 - Rain and light detector sensor | 30 |
| 14 | - | SC14 - Fuse 14 on fuse holder | 10A | - | E16- Heater/heat output switch F189 - Tiptronic switch (BVY and BVZ) J104 - ABS control unit with EDL/ESP (BVY and BVZ) J217- Automatic gearbox control unit (BVY and BVZ) J255 - Climatronic control unit J301 - Air conditioning system control unit J446 - Parking aid control unit J587 - Selector lever sensors control unit (AZV, BKD, BMM and BWA) | 30 |
| 15 | - | SC15 - Fuse 15 on fuse holder | 7.5A | - | J519 - Onboard power supply control unit (via K/5) | 30 |
| 16 | - | Vacant | - | - | ||
| 17 | - | SC17 - Fuse 17 on fuse holder | 5A | - | G273 - Interior monitoring sensor H12 - Alarm horn | 30 |
| 18 | - | Vacant | - | - | ||
| 19 | - | Vacant | - | - | ||
| 20 | - | Vacant | - | - | ||
| 21 | - | SC21-Fuse 21 on fuse holder | 10A | - | N276-Fuel pressure regulating valve (BWA) | 87 |
| 22 | - | SC22 - Fuse 22 on fuse holder | 40A | - | V2 -Fresh air blower (only Climatronic) | 30 |
| 23 | - | SC23 - Fuse 23 on fuse holder | 30A | - | J386 - Driver door control unit J387 - Front passenger side door control unit | 30 |
| 24 | - | Vacant | - | - | ||
| 25 | - | SC25-Fuse 25 on fuse holder | 25A | - | J519 - Onboard power supply control unit (via K/6) | 30 |
| León | Fitting Locations | No. 802 / 57 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 35 | - | Vacant | - | - | ||
| 36 | - | SC36 - Fuse 36 on fuse holder | 20A | - | J39 - Headlight washer system relay | 30 |
| 37 | - | SC37 - Fuse 37 on fuse holder | 30A | - | J774 -Heated front seats control unit | 30 |
| 38 | - | SC38 - Fuse 38 on fuse holder | 10A | - | N75 - Charge pressure control solenoid valve (BWA) N80 - Activated charcoal filter system solenoid valve 1 (pulsed) (BWA) N249 - Turbocharger air recirculation valve (BWA) | 87 |
| 39 | - | Vacant | - | - | ||
| 40 | - | SC40 - Fuse 40 on fuse holder | 40A | - | E16- Heater/heat output switch J301 - Air conditioning system control unit | 75 |
| 41 | - | SC41 - Fuse 41 on fuse holder | 20A | - | J519 - Onboard power supply control unit (via J/1) V12 - Rear window wiper motor | 75 |
| 42 | - | SC42 - Fuse 42 on fuse holder | 20A | - | U1 - Cigarette lighter U5- 12 V socket, rear U18 - 12 V socket 2, in luggage compartment | 75 |
| 43 | - | SC43 - Fuse 43 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 44 | - | SC44 - Fuse 44 on fuse holder | 20A | - | J345 - Trailer detector control unit | 30 |
| 45 | - | SC45 - Fuse 45 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 46 | - | Vacant | - | - | ||
| 47 | - | SC47 - Fuse 47 on fuse holder | 10A | - | Z19- Lambda probe heater (BWA) | 87 |
| 48 | - | SC48 - Fuse 48 on fuse holder | 10A | - | Z29- Lambda probe 1 heater after catalytic converter (BWA) | 87 |
| 49 | - | Vacant | - | - |
SEAT LEON 2008 Position of fuses, from November 2006
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SC1 - Fuse 1 on fuse holder | 10A | - | - Diagnosis connection (T16/1) E102 - Headlight range control regulator G70 - Air mass meter (AZV, BKC, BKD, BLS, BMM, BMN, BWA, BWJ and BXE) J431 - Headlight range control, control unit J537 - 4HV control unit (BXW) J745 - Cornering light and headlight range control unit N51 - Intake manifold preheating heater element (AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF and BXE) N79 - Heater element for crankcase breather (BXW) Z2 -Heated windscreen | 15 |
| León | Fitting Locations | No. 802 / 60 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 4 | - | SC4 - Fuse 4 on fuse holder | 5A | - | E16- Heater/heat output switch E226 - Tyre pressure monitor button E256 - TCS and ESP button F4 - Reversing light switch G65 - High-pressure sender J255 - Climatronic control unit J301 - Air conditioning system control unit J412 - Mobile telephone operating electronics control unit R94 - Navigation system interface (Tom-Tom Navigator) Y7 - Automatic anti-dazzle interior mirror Z20 - Left washer jet heater element Z21 - Right washer jet heater element | 15 |
| 5 | - | SC5 - Fuse 5 on fuse holder | 10A | - | J668 - Power output module for right headlight | 15 |
| 6 | - | SC6 - Fuse 6 on fuse holder | 10A | - | J667 - Power output module for left headlight | 15 |
| 7 | - | Vacant | - | - | ||
| 8 | - | Vacant | - | - | ||
| 9 | - | Vacant | - | - | ||
| 10 | - | Vacant | - | - | ||
| 11 | - | Vacant | - | - | ||
| 12 | - | SC12 - Fuse 12 on fuse holder | 15A | - | J386 - Driver door control unit (without Autolock function) J387 - Front passenger door control unit (without Autolock function) J388 - Rear left door control unit (without Autolock function) J389 - Rear right door control unit (without Autolock function) | 30 |
| León | Fitting Locations | No. 802 / 62 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 24 | - | Vacant | - | - | ||
| 25 | - | SC25-Fuse 25 on fuse holder | 25A | - | J519 - Onboard power supply control unit (via K/6) | 30 |
| 26 | - | SC26 - Fuse 26 on fuse holder | 30A | - | J388 - Rear left door control unit J389 - Rear right door control unit | 30 |
| 27 | - | SC27 - Fuse 27 on fuse holder | 15A | - | J17 - Fuel pump relay (AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE and BXW) J363 - Current supply relay for Simos control unit (BSE and BSF) J538 - Fuel pump control unit (BVY, BVZ, BWA and BWJ) J643 - Fuel supply relay (BXW) J670 - Motronic current supply relay 2 (BWA and BWJ) | 30 |
| 28 | - | SC28 - Fuse 28 on fuse holder | 30A | - | J386 - Driver door control unit (with Autolock function) J387 - Front passenger door control unit (with Autolock function) J388 - Rear left door control unit (with Autolock function) J389 - Rear right door control unit (with Autolock function) J393 - Convenience system central control unit (with Autolock function) | 30 |
| 29 | - | Vacant | - | - | ||
| 30 | - | SC30 - Fuse 30 on fuse holder | 20A | - | F125 - Multifunction switch (BVY and BVZ) J217- Automatic gearbox control unit (BVY and BVZ) | 15 |
| León | Fitting Locations | No. 802 / 64 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 44 | - | SC44 - Fuse 44 on fuse holder | 20A | - | J345 - Trailer detector control unit | 30 |
| 45 | - | SC45 - Fuse 45 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 46 | - | Vacant | - | - | ||
| 47 | - | SC47 - Fuse 47 on fuse holder | 10A | - | Z19- Lambda probe heater (BWA and BWJ | 87 |
| 48 | - | SC48 - Fuse 48 on fuse holder | 10A | - | Z29 -Lambda probe 1 heater after catalytic converter (BWA and BWJ) | 87 |
| 49 | - | Vacant | - | - |
SEAT LEON 2008 Position of fuses, from May 2007
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SC1 - Fuse 1 on fuse holder | 10A | - | - Diagnosis connection (T16/1) E102 - Headlight range control regulator G70 - Air mass meter (AZV, BKC, BKD, BLS, BMM, BMN, BWA, BWJ, BXE, BXF and BZB) J431 - Headlight range control, control unit J537 - 4HV control unit (BXW) J745 - Cornering light and headlight range control unit N51 - Intake manifold preheating heater element (AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE and BXF) N79 - Heater element for crankcase breather (BXW) Z2 -Heated windscreen | 15 |
| León | Fitting Locations | No. 802 / 67 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 4 | - | SC4 - Fuse 4 on fuse holder | 5A | - | E16- Heater/heat output switch E226 - Tyre pressure monitor button E256 - TCS and ESP button F4 - Reversing light switch G65 - High-pressure sender J255 - Climatronic control unit J301 - Air conditioning system control unit R94 - Navigation system interface (Tom-Tom Navigator) Y7 - Automatic anti-dazzle interior mirror Z20 - Left washer jet heater element Z21 - Right washer jet heater element | 15 |
| 5 | - | SC5 - Fuse 5 on fuse holder | 10A | - | J668 - Power output module for right headlight | 15 |
| 6 | - | SC6 - Fuse 6 on fuse holder | 10A | - | J667 - Power output module for left headlight | 15 |
| 7 | - | Vacant | - | - | ||
| 8 | - | Vacant | - | - | ||
| 9 | - | Vacant | - | - | ||
| 10 | - | Vacant | - | - | ||
| 11 | - | Vacant | - | - | ||
| 12 | - | SC12 - Fuse 12 on fuse holder | 15A | - | J386 - Driver door control unit (without Autolock function) J387 - Front passenger door control unit (without Autolock function) J388 - Rear left door control unit (without Autolock function) J389 - Rear right door control unit (without Autolock function) | 30 |
| León | Fitting Locations | No. 802 / 69 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 24 | - | Vacant | - | - | ||
| 25 | - | SC25-Fuse 25 on fuse holder | 25A | - | J519 - Onboard power supply control unit (via K/6) | 30 |
| 26 | - | SC26 - Fuse 26 on fuse holder | 30A | - | J388 - Rear left door control unit J389 - Rear right door control unit | 30 |
| 27 | - | SC27 - Fuse 27 on fuse holder | 15A | - | J17 - Fuel pump relay (AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF and BXW) J363 - Current supply relay for Simos control unit (BSE and BSF) J538 - Fuel pump control unit (BVY, BVZ, BWA, BWJ and BZB) J643 - Fuel supply relay (BXW) J670 - Motronic current supply relay 2 (BWA and BWJ) | 30 |
| 28 | - | SC28 - Fuse 28 on fuse holder | 30A | - | J386 - Driver door control unit (with Autolock function) J387 - Front passenger door control unit (with Autolock function) J388 - Rear left door control unit (with Autolock function) J389 - Rear right door control unit (with Autolock function) J393 - Convenience system central control unit (with Autolock function) | 30 |
| 29 | - | Vacant | - | - | ||
| 30 | - | SC30 - Fuse 30 on fuse holder | 20A | - | F125 - Multifunction switch (BVY and BVZ) J217- Automatic gearbox control unit (BVY and BVZ) | 15 |
| León | Fitting Locations | No. 802 / 71 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 44 | - | SC44 - Fuse 44 on fuse holder | 20A | - | J345 - Trailer detector control unit | 30 |
| 45 | - | SC45 - Fuse 45 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 46 | - | Vacant | - | - | ||
| 47 | - | SC47 - Fuse 47 on fuse holder | 10A | - | Z19- Lambda probe heater (BWA and BWJ | 87 |
| 48 | - | SC48 - Fuse 48 on fuse holder | 10A | - | Z29 -Lambda probe 1 heater after catalytic converter (BWA and BWJ) | 87 |
| 49 | - | Vacant | - | - |
SEAT LEON 2008 Position of fuses, from November 2007
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | SC1 - Fuse 1 on fuse holder | 10A | - | - Diagnosis connection (T16/1) E102 - Headlight range control regulator G70 - Air mass meter (AZV, BKC, BKD, BLS, BMM, BMN, BWA, BWJ, BXE, BXF and BZB) J431 - Headlight range control, control unit J537 - 4HV control unit (BXW) J745 - Cornering light and headlight range control unit N51 - Intake manifold preheating heater element (AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF and CCSA) N79 - Heater element for crankcase breather (BXW) Z2 -Heated windscreen | 15 |
| León | Fitting Locations | No. 802 / 74 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 4 | - | SC4 - Fuse 4 on fuse holder | 5A | - | E16- Heater/heat output switch E226 - Tyre pressure monitor button E256 - TCS and ESP button F4 - Reversing light switch G65 - High-pressure sender G266 - Oil level and oil temperature sender (CAXC) J255 - Climatronic control unit J301 - Air conditioning system control unit R94 - Navigation system interface (Tom-Tom Navigator) Y7 - Automatic anti-dazzle interior mirror Z20 - Left washer jet heater element Z21 - Right washer jet heater element | 15 |
| 5 | - | SC5 - Fuse 5 on fuse holder | 10A | - | J668 - Power output module for right headlight | 15 |
| 6 | - | SC6 - Fuse 6 on fuse holder | 10A | - | J667 - Power output module for left headlight | 15 |
| 7 | - | Vacant | - | - | ||
| 8 | - | Vacant | - | - | ||
| 9 | - | Vacant | - | - | ||
| 10 | - | Vacant | - | - | ||
| 11 | - | Vacant | - | - | ||
| 12 | - | SC12 - Fuse 12 on fuse holder | 15A | - | J386 - Driver door control unit (without Autolock function) J387 - Front passenger door control unit (without Autolock function) J388 - Rear left door control unit (without Autolock function) J389 - Rear right door control unit (without Autolock function) | 30 |
| León | Fitting Locations | No. 802 / 76 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 24 | - | Vacant | - | - | ||
| 25 | - | SC25-Fuse 25 on fuse holder | 25A | - | J519 - Onboard power supply control unit (via K/6) | 30 |
| 26 | - | SC26 - Fuse 26 on fuse holder | 30A | - | J388 - Rear left door control unit J389 - Rear right door control unit | 30 |
| 27 | - | SC27 - Fuse 27 on fuse holder | 15A | - | J17 - Fuel pump relay (AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF, BXW and CCSA) J363 - Current supply relay for Simos control unit (BSE, BSF and CCSA) J538 - Fuel pump control unit (BVY, BVZ, BWA, BWJ, BZB and CAXC) J643 - Fuel supply relay (BXW) J670 - Motronic current supply relay 2 (BWA and BWJ) | 30 |
| 28 | - | SC28 - Fuse 28 on fuse holder | 30A | - | J386 - Driver door control unit (with Autolock function) J387 - Front passenger door control unit (with Autolock function) J388 - Rear left door control unit (with Autolock function) J389 - Rear right door control unit (with Autolock function) J393 - Convenience system central control unit (with Autolock function) | 30 |
| 29 | - | Vacant | - | - | ||
| 30 | - | SC30 - Fuse 30 on fuse holder | 20A | - | F125 - Multifunction switch (BVY and BVZ) J217- Automatic gearbox control unit (BVY and BVZ) | 15 |
| León | Fitting Locations | No. 802 / 78 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 44 | - | SC44 - Fuse 44 on fuse holder | 20A | - | J345 - Trailer detector control unit | 30 |
| 45 | - | SC45 - Fuse 45 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
| 46 | - | Vacant | - | - | ||
| 47 | - | SC47 - Fuse 47 on fuse holder | 10A | - | Z19- Lambda probe heater (BWA and BWJ | 87 |
| 48 | - | SC48 - Fuse 48 on fuse holder | 10A | - | Z29 -Lambda probe 1 heater after catalytic converter (BWA and BWJ) | 87 |
| 49 | - | Vacant | - | - |
SEAT LEON 2008 Position of fuses, from May 2008
| León | Fitting Locations | No. 802 / 80 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 2 | - | SC2 - Fuse 2 on fuse holder | 10A | - | E1 - Lighting switch F - Brake light switch F189 - Tiptronic switch (BVY and BVZ) J104- ABS control unit with EDL/ESP J220 - Motronic control unit (BVY, BVZ, BWA and BWJ) J248 - Diesel direct injection system control unit (AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF) J317 - Terminal 30 voltage supply relay (BSE, BSF and CCSA) J345 - Trailer detector control unit J361 - Simos control unit (BSE, BSF and CCSA) J363 - Current supply relay for Simos control unit (BSE, BSF and CCSA) J446 - Parking aid control unit J500 - Power steering control unit J533 - Data bus diagnostic interface J538 - Fuel pump control unit (BVY, BVZ, BWA, BWJ, BZB and CAXC) J587 - Selector lever sensors control unit (AZV, BKD, BLS, BMM and BWA) J623 - Engine control unit (BZB and CAXC) J643 - Fuel supply relay (BXW) J743 - Mechatronic unit for dual clutch gearbox (AZV, BKD, BLS, BMM and BWA) K - Dash panel insert V48 - Left headlight range control motor V49 - Right headlight range control motor | 15 |
| 3 | - | SC3 - Fuse 3 on fuse holder | 5A | - | J234 - Airbag control unit K145 - Front passenger side airbag deactivated warning lamp | 15 |
| León | Fitting Locations | No. 802 / 82 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 13 | - | SC13 - Fuse 13 on fuse holder | 10A | - | - Diagnosis connection (T16/16) E1 - Lighting switch G397 - Rain and light detector sensor | 30 |
| 14 | - | SC14 - Fuse 14 on fuse holder | 10A | - | E16- Heater/heat output switch F189 - Tiptronic switch (BVY and BVZ) J217- Automatic gearbox control unit (BVY and BVZ) J255 - Climatronic control unit J301 - Air conditioning system control unit J587 - Selector lever sensors control unit (AZV, BKD, BLS, BMM and BWA) | 30 |
| 15 | - | SC15 - Fuse 15 on fuse holder | 7.5A | - | J519 - Onboard power supply control unit (via K/5) | 30 |
| 16 | - | Vacant | - | - | ||
| 17 | - | SC17 - Fuse 17 on fuse holder | 5A | - | G273 - Interior monitoring sensor H12 - Alarm horn | 30 |
| 18 | - | Vacant | - | - | ||
| 19 | - | Vacant | - | - | ||
| 20 | - | Vacant | - | - | ||
| 21 | - | SC21-Fuse 21 on fuse holder | 10A | - | N276 -Fuel pressure regulating valve (BWA and BWJ) | 87 |
| 22 | - | SC22 - Fuse 22 on fuse holder | 40A | - | V2 -Fresh air blower (only Climatronic) | 30 |
| 23 | - | SC23 - Fuse 23 on fuse holder | 30A | - | J386 - Driver door control unit J387 - Front passenger side door control unit | 30 |
| León | Fitting Locations | No. 802 / 84 |
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 31 | - | SC31 - Fuse 31 on fuse holder | 20A | - | J57- Vacuum pump relay (BVY and BVZ) | 15 |
| 32 | - | Vacant | - | - | ||
| 33 | - | SC33 - Fuse 33 on fuse holder | 25A | - | J245 - Sliding sunroof adjustment control unit | 30 |
| 34 | - | SC34 - Fuse 34 on fuse holder | 25A | - | J393-Convenience system central control unit (without Autolock function) | 30 |
| 35 | - | Vacant | - | - | ||
| 36 | - | SC36 - Fuse 36 on fuse holder | 20A | - | J39 - Headlight washer system relay | 30 |
| 37 | - | SC37 - Fuse 37 on fuse holder | 30A | - | J774 -Heated front seats control unit | 30 |
| 38 | - | SC38 - Fuse 38 on fuse holder | 10A | - | N75 - Charge pressure control solenoid valve (BWA and BWJ) N80 - Activated charcoal filter system solenoid valve 1 (pulsed) (BWA and BWJ) N249 - Turbocharger air recirculation valve (BWA and BWJ) | 87 |
| 39 | - | Vacant | - | - | ||
| 40 | - | SC40 - Fuse 40 on fuse holder | 40A | - | E16- Heater/heat output switch J301 - Air conditioning system control unit | 75 |
| 41 | - | SC41 - Fuse 41 on fuse holder | 20A | - | J519 - Onboard power supply control unit (via J/1) V12 - Rear window wiper motor | 75 |
| 42 | - | SC42 - Fuse 42 on fuse holder | 20A | - | U1 - Cigarette lighter U18 - 12 V socket 2, in luggage compartment | 75 |
| 43 | - | SC43 - Fuse 43 on fuse holder | 15A | - | J345 - Trailer detector control unit | 30 |
SEAT LEON 2008 Overview of earth points in engine compartment
| q | from November 2005: |
| q | Location |
| León | Fitting Locations | No. 801 / 2 |
| q | from November 2005: |
| q | Location |
| q | from November 2005: |
| q | Location |
| q | from November 2005: |
| q | Location |
| León | Fitting Locations | No. 801 / 3 |
| 13 | Earth point, in engine compartment, right -arrow- |
|
| 1 | Earth strap, battery body, on left in engine compartment, next to battery -arrow- |
|
| 671 | Earth point 1, on front left longitudinal member -arrow A- |
| 673 | Earth point 3, on front left longitudinal member -arrow C- |
| 3 | Earth strap, engine - body -arrow C- |
|
SEAT LEON 2008 Overview of earth points in vehicle interior
| q | from May 2005: |
| q | Location |
| q | from May 2005: |
| q | Location |
| León | Fitting Locations | No. 801 / 8 |
| 610 | Earth point (audio), under centre console, front -arrow- |
|
| 43 | Earth point, lower part of right A-pillar -arrow A- |
| 47 | Earth point, in front right footwell -arrow B- |
|
| 77 | Earth point, lower part of left B-pillar -arrow- |
|
| 605 | Earth point, on top end of steering column -arrow- |
SEAT LEON 2008 Overview of earth points in luggage compartment and in roof
| 51 | Earth point, on right in luggage compartment -arrow- |
|
| 667 | Earth point, on rear left of roof -arrow- |
|
