Earth connection 1, in engine compartment wiring harness
209
Earth connection 6, in engine compartment wiring harness
B457
Connection 1 (potentiometer), in main wiring harness
Wiring Diagram SEAT LEON 2007 - Right headlight bulbs - switches and instruments illumination regulator - headlight range control regulator - right headlight range control motor
Wiring Diagram SEAT LEON 2007 - Ignition/starter switch - turn signal switch - headlight dipper/flasher switch - cruise control system switch - cruise control system (CCS) SET button - steering angle sender
Wiring Diagram SEAT LEON 2007 - Left and right reversing light bulb - left and right tail light bulb - rear left and right fog light bulbs - number plate light
only left-handdrive vehicles without rear fog light
***
only for left-handdrive vehicles
****
only for right-handdrive vehicles
Wiring Diagram SEAT LEON 2007 - Mounted turn signal bulbs - windscreen wiper motors - driver side and front passenger wiper motor control unit - double washer pump relay 2
Positive connection 3 (15a), in dash panel wiring harness
B131
Connection (54), in interior wiring harness
Wiring Diagram SEAT LEON 2007 - Warm air blower series resistor with overheating valve - air recirculation flap control motor - fresh air blower - heater control unit
507 - Screw connection (30), on fuse holder on battery
-
-
A- Battery (+)
30
SEAT LEON 2007 Fuse locations in electronics box, from May 2006
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)
507 - Screw connection (30), on fuse holder on battery
-
-
A- Battery (+)
30
SEAT LEON 2007 Fuse locations in electronics box, from November 2006
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)
SEAT LEON 2007 Fuse locations in electronics box, from November 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 2007 Fuses (SB) on electronics box, on left of engine compartment
Fuses (SB) on electronics box, on left of engine compartment
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 2007 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 2007 Position of fuses, from May 2006
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 2007 Position of fuses, from November 2006
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 2007 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 2007 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 2007 Fuses (SC) in fuse holder under left dash panel
- 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 2007 Position of fuses, from November 2005
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 2007 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
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)
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 2007 Position of fuses, from November 2006
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 2007 Position of fuses, from May 2007
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 2007 Position of fuses, from November 2007
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 2007 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
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)
T2a/2 = Voltage supply, terminal 30, power steering motor
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