Wiring Diagram SEAT LEON 2002 - Door control unit - driver's side - rear electric window locking switch - rear left electric window switch - interior locking switch - driver's side
| E39 | Rear electric window locking switch |
| E40 | Switch for left front electric window |
| E53 | Rear left electric window switch (in console) |
| E55 | Rear right electric window switch (in console) |
| E81 | Front right electric window switch (driver's door) |
| E150 | Interior locking switch, driver's side |
| J386 | Door control unit, driver's side |
| L76 | Button illumination |
| S37 | Electric window single fuse |
| V147 | Electric window motor, driver's side |
| T10i | 10-way connector, black, interconnection, strut A, left |
| T16a | 16-way connector, driver's seat |
| T29 | 29-way connector, driver's door |
| 267 | Earth connection -2-, driver's door wiring harness |
| B110 | Connection (30, electric windows), interior wiring harness |
Wiring Diagram SEAT LEON 2002 - Door control unit - driver's side - central locking lock unit - driver's side - central locking system warning lamp -SAFE- - door warning lamp - left
| F220 | Central locking lock unit, driver's side |
| J386 | Door control unit, driver's side |
| K133 | Central locking system warning lamp -SAFE- |
| M27 | Door warning lamp, left |
| T8e | 8-way connector, driver's door |
| T10i | 10-way connector, black, interconnection, strut A, left |
| T29 | 29-way connector, driver's door |
| 267 | Earth connection -2-, driver's door wiring harness |
| * | Optional according to vehicle |
Wiring Diagram SEAT LEON 2002 - Door control unit driver's side - mirror regulating motor (driver's side) - folding mirror motor - driver's side - mirror adjusting motor - driver's side
| J386 | Door control unit, driver's side |
| V17 | Mirror regulating motor (driver's side) |
| V121 | Folding mirror motor, driver's side |
| V149 | Mirror adjusting motor, driver's side |
| Z4 | Heated exterior mirror, driver's side |
| T8f | 8-way connector, driver's door |
| T10i | 10-way connector, black, interconnection, strut A, left |
| T29 | 29-way connector, driver's door |
| |
Wiring Diagram SEAT LEON 2002 - Door control unit - driver's side - mirror adjustment switch - mirror adjustment switch illumination
| D | Ignition/starter switch |
| E43 | Mirror adjustment switch |
| E48 | Mirror adjustment change-over switch |
| E231 | Exterior mirror heating button |
| E263 | Mirror fold system switch |
| J386 | Door control unit, driver's side |
| L78 | Mirror adjustment switch illumination |
| T10i | 10-pin connector, black, connector point, left A pillar |
| T10p | 10-pin connector, in driver's door |
| T29 | 29-pin connector, in driver's door |
| A20 | Connection (15a), in dash panel wiring harness |
| B145 | Positive (+) connection (58b), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| * | Mirror heating exterior mirror (northern countries) |
Wiring Diagram SEAT LEON 2002 - Door control unit - passenger's side - electric window switch - passenger's door - central locking lock unit - passenger's side
| E107 | Electric window switch, passenger's door |
| F221 | Central locking lock unit, passenger's side |
| J387 | Door control unit, passenger's side |
| L53 | Illumination lamp/electric window switch |
| V148 | Electric window motor, front passenger's side |
| T5f | 5-way connector, passenger's door |
| T8g | 8-way connector, passenger's door |
| T10k | 10-way connector, black, interconnection, strut A, right |
| T29a | 29-way connector, passenger's door |
| 268 | Earth connection -2-, passenger's door wiring harness |
| B229 | Connection (High-Bus), interior wiring harness |
| B230 | Connection (Low-Bus), interior wiring harness |
Wiring Diagram SEAT LEON 2002 - Door control unit - passenger's side - door warning lamp - right - mirror regulating motor (passenger's side) - folding mirror motor - passenger's side
| J387 | Door control unit, passenger's side |
| M28 | Door warning lamp, right |
| V25 | Mirror regulating motor (passenger's side) |
| V122 | Folding mirror motor, passenger's side |
| V150 | Rear-view mirror adjusment motor, passenger's side |
| Z5 | Heated exterior mirror, passenger's side |
| T8h | 8-way connector, passenger's door |
| T10k | 10-way connector, black, interconnection, strut A, right |
| T29a | 29-way connector, passenger's door |
| |
| * | Optional according to vehicle |
Wiring Diagram SEAT LEON 2002 - Vanity mirror contact switch - driver's side - vanity mirror contact switch - passenger's side - front interior illumination
| F147 | Vanity mirror contact switch - driver's side |
| F148 | Vanity mirror contact switch - passenger's side |
| W | Front interior illumination |
| W11 | Reading lamp, rear left |
| W12 | Reading lamp, rear right |
| W13 | Front passenger`s reading lamp |
| W14 | Illuminated vanity mirror (passenger's side) |
| W19 | Reading lamp, drivers side |
| W20 | Illuminated vanity mirror (driver's side) |
| 128 | Earth connection -1-, interior lighting wiring harness |
| A29 | Connection (interior light), in the instrument panel wiring harness |
| B129 | Connection (interior light, 31L), interior wiring harness |
| R6 | Positive connection -1-, interior lighting wiring harness |
Wiring Diagram SEAT LEON 2002 - Convenience system central control unit
| D | Ignition/starter switch |
| E204 | Tank filler flap remote release switch |
| J... | Engine control units |
| J234 | Airbag control unit |
| J285 | Control unit with display in dash panel insert |
| J393 | Convenience system central control unit |
| S237 | Fuse in fuse box |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T23 | 23-pin connector, under steering wheel |
| |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A29 | Connection (interior light), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B129 | Connection (interior light, 311), in interior wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
Wiring Diagram SEAT LEON 2002 - Convenience system central control unit - central locking lock assembly - rear left - central locking lock assembly - rear right
| F222 | Central locking lock assembly, rear left |
| F223 | Central locking lock assembly, rear right |
| J393 | Convenience system central control unit |
| T6e | 6-way connector, rear left door |
| T6f | 6-way connector, rear right door |
| T10l | 10-way connector, black, interconnection, strut B, left |
| T10m | 10-way connector, black, interconnection, strut B, right |
| T24 | 24-way connector |
Wiring Diagram SEAT LEON 2002 - Convenience system central control unit - contact switch in lock cylinder for tailgate/bootlid anti-theft alarm system/central locking system - central locking motor - tailgate/bootlid
| E15 | Heated rear window switch |
| E165 | Tailgate/bootlid release switch |
| F5 | Luggage compartment light switch |
| F124 | Contact switch in lock cylinder for tailgate/bootlid anti-theft alarm system/central locking system |
| J285 | Control unit with display in dash panel insert |
| J393 | Convenience system central control unit |
| V53 | Central locking motor, tailgate/bootlid |
| W3 | Luggage compartment light |
| T5a | 5-pin connector |
| T5i | 5-pin connector, in luggage compartment |
| T5j | 5-pin connector, brown, in boot lid |
| T5t | 5-pin connector |
| T10i | 10-pin connector, black, connector point, left A pillar |
| T23 | 23-pin connector, under steering wheel |
| 98 | Earth connection, in tailgate/bootlid wiring harness |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| W8 | Connection(15a), in rear wiring harness |
| * | Mirror heating exterior mirror (northern countries) |
| ** | Only Toledo |
| --- | Only León |
Wiring Diagram SEAT LEON 2002 - Convenience system central control unit - sliding sunroof adjustment control unit - sliding sunroof adjustment regulator - sliding sunroof motor
| E2 | Turn signal switch |
| E139 | Sliding sunroof adjustment regulator |
| J245 | Sliding sunroof adjustment control unit |
| J285 | Control unit with display in dash panel insert |
| J393 | Convenience system central control unit |
| S230 | Fuse in fuse box |
| V1 | Sliding sunroof motor |
| T6g | 6-pin connector, in roof |
| T6y | 6-pin connector |
| T6z | 6-pin connector |
| T15 | 15-pin connector, behind the centre console |
| T16 | 16-pin connector, self-diagnosis |
| T23 | 23-pin connector, under steering wheel |
| A5 | Positive (+) connection (right turn signal), in dash panel wiring harness |
| A6 | Positive (+) connection (left turn signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| W15 | Connection -1- (luggage compartment light), in rear wiring harness |
| --- | Only León |
Wiring Diagram SEAT LEON 2002 - Convenience system central control unit - bonnet contact switch - anti-theft alarm system horn
| D | Ignition and starter switch |
| F266 | Bonnet contact switch |
| H8 | Anti-theft alarm system horn |
| J285 | Control unit with warning lamps on instrument panel |
| J393 | Convenience system central control unit |
| R47 | Aerial cable for central locking and alarm system |
| S2 | Fuse in fuse holder/relay plate |
| S14 | Fuses in fuse holder/relay plate |
| S111 | Anti-theft alarm system and immobilizer fuse |
| S144 | Anti-theft alarm system central locking fuse |
| S238 | Fuse in fuse holder |
| 179 | Earth connection, right hand side headlamp wiring harness |
| 223 | Earth connection, right hand side headlamp wiring harness |
| 501 | Bolted joint -2- (30), on the relay plate |
| |
| A2 | Positive connection (15), instrument panel wiring harness |
| A32 | Positive connection (30), instrument panel wiring harness |
| B156 | Positive connection (30a), interior wiring harness |
| * | Only vehicles with WIV |
| ** | Only vehicles with electronic immobiliser |
SEAT LEON 2002 Overview of fuses
Overview of fuses | | | | 3 - | Fuse on fuse holder -S162-, -S163-, -S164-, -S176-, -S177-, -S178-, -S179-, -S180-, next to battery |
| q | Location, up to August 2000: |
| q | Location, from September 2000: |
SEAT LEON 2002 Position of fuses in fuse holder, left dash panel
Position of fuses in fuse holder, left dash panel | | No. | | Current Flow Diagram designation | Nominal value | | Function/component | Terminal |
| 1 | - | -S1- | 10A | - | Glove compartment light, heated washer jets | |
| 2 | - | -S2- | 10A | - | Turn signals | |
| 3 | - | -S3- | 5A | - | Side light warning lamp | |
| 4 | - | -S4- | 5A | - | Number plate light | |
| 5 | - | -S5- | 7.5A | - | Number plate light | |
| 6 | - | -S6- | 5A | - | Electric folding exterior mirror and window regulator (applicable up to October 2001)
Convenience system central control unit (applicable from November 2001) | |
| 7 | - | -S7- | 10A | - | Reversing light | |
| 8 | - | -S8- | 5A | - | Telephone | |
| 9 | - | -S9- | 5A | - | ABS/ESP/HALDEX | |
| 10 | - | -S10- | 10A | - | Petrol engine control unit (applicable up to October 2001)
Diesel engine control unit (applicable up to October 2001)
- S-contact (applicable from November 2001) | |
| 11 | - | -S11- | 5A | - | Dash panel insert | |
| 12 | - | -S12- | 7.5A | - | Diagnosis voltage | |
| 13 | - | -S13- | 10A | - | Brake lights | |
| 14 | - | -S14- | 10A | - | Interior light | |
| 15 | - | -S15- | 5A | - | Dash panel insert, steering angle sender | |
| 16 | - | -S16- | 10A | - | Compressor | |
SEAT LEON 2002 Position of fuses in fuse holder, left dash panel
| Toledo/León | Fitting Locations | No. 802 / 5 | | | Toledo/León | Fitting Locations | No. 802 / 6 | | | Toledo/León | Fitting Locations | No. 802 / 7 | | | Auxiliary fuse above additional relay carrier | | A - | Seat adjustment fuse -S45- (30 A) | | B - | Vacuum pump fuse (20 A) | | C - | Window regulator fuse -S37- (30 A) | | D - | Fuel charging hole fuse -S323- (10 A) | | E - | Alarm horn fuse -S111- (15 A) | | - | Turn signal fuse -S144- (15 A) | | | | | A - | Seat adjustment fuse -S45- (30 A) | | B - | Vacuum pump fuse (20 A) | | C - | Window regulator fuse -S37- (30 A) | | F - | Alarm horn fuse 1 -S111- (15 A) | | - | Turn signal fuse -S144- (15 A) | | G - | Fuel charging hole fuse -S323- (10 A) | | | | SEAT LEON 2002 Fuse on fuse holder, next to battery (up to August 2000): | Fuse on fuse holder, next to battery (up to August 2000): | | S162 - | Glow plug heater 50 A | | S163 - | Engine control unit 50 A | | S176 - | Passenger compartment, 110A | | S177 - | Alternator (90 A), 110 A | | - | Alternator (120 A), 150 A | | | | SEAT LEON 2002 Fuse on fuse holder, next to battery (from September 2000): | | 
