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SEAT LEON 2002 – Body electrical Toledo and León . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2002 - Battery - starter - ignition/starter switch - X contact relief relay



Wiring Diagram  SEAT LEON 2002 - Battery - starter - ignition/starter switch - X contact relief relay https://portal-diagnostov.com/license.html
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ABattery
BStarter
DIgnition/starter switch
J59X contact relief relay
S162Fuse -1- (30), in fuse box/battery
S163Fuse -2- (30), in fuse box/battery
S164Fuse -3- (30), in fuse box/battery
S176Fuse -4- (30), in fuse box/battery
S177Fuse -5- (30), in fuse box/battery
S178Fuse -6- (30), in fuse box/battery
S179Fuse -7- (30), in fuse box/battery
S180Fuse -8- (30), in fuse box/battery
T6l6-pin connector, brown, in protective housing for connectors, on left in plenum chamber
  500 Screw connection -1- (30), on relay plate
  501 Screw connection -2- (30), on relay plate
  503 Screw connection -2- (75x), on relay plate
  A2 Positive (+) connection (15), in dash panel wiring harness
  A32 Positive (+) connection (30), in dash panel wiring harness
  A49 Connection -1-, in dash panel wiring harness
  A80 Connection -1- (X), in dash panel wiring harness

Wiring Diagram SEAT LEON 2002 - Control unit with display in dash panel insert - immobilizer reading coil - belt switch - driver's side - lights switched on warning buzzer



Wiring Diagram  SEAT LEON 2002 - Control unit with display in dash panel insert - immobilizer reading coil - belt switch - driver https://portal-diagnostov.com/license.html
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CAlternator
D2Immobilizer reading coil
E24Belt switch, driver's side
H16Lights switched on warning buzzer
J...Engine control units
J285Control unit with display in dash panel insert
J362Immobilizer control unit
K2Alternator warning lamp
K19Seat belt warning system warning lamp
K63Warning lamp for symbol 'Yellow triangle' (Auto-check system with voice)
K117Immobilizer warning lamp
S5Fuse in fuse box/relay plate
S7Fuse in fuse box/relay plate
S11Fuse in fuse box/relay plate
T1010-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T10d10-pin connector, green, in protective housing for connectors, in plenum chamber, left
  81 Earth connection -1-, in dash panel wiring harness
  A2 Positive (+) connection (15), in dash panel wiring harness
  A121 Connection (high bus), in dash panel wiring harness
  A122 Connection (low bus), in dash panel wiring harness
  B163 Positive (+) connection -1- (15), in interior wiring harness

Wiring Diagram SEAT LEON 2002 - Control unit with display in dash panel insert - rev. counter - trailer operation warning lamp - reserve fuel warning lamp - oil level/oil temperature sender



Wiring Diagram  SEAT LEON 2002 - Control unit with display in dash panel insert - rev. counter - trailer operation warning lamp - reserve fuel warning lamp - oil level/oil temperature sender https://portal-diagnostov.com/license.html
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G5Rev. counter
G22Speedometer sender
J...Engine control units
J255Climatronic control unit
J285Control unit with display in dash panel insert
K18Trailer operation warning lamp
K105Reserve fuel warning lamp
L75Digital display illumination
S22Fuse in fuse box/relay plate
S223Fuse in fuse box
Y4Odometer display
T1010-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T12d12-pin connector, on Climatronic
T14a14-pin connector, in cable channel left
  A27 Connection (speed signal), in dash panel wiring harness
  A43 Connection (57L), in dash panel wiring harness
  A44 Connection (57R), in dash panel wiring harness
  A84 Connection (58L), in dash panel wiring harness
  A85 Connection (58R), in dash panel wiring harness
*Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Control unit with display in dash panel insert - main beam warning lamp - rear fog light warning lamp - left turn signal warning lamp - digital clock



Wiring Diagram  SEAT LEON 2002 - Control unit with display in dash panel insert - main beam warning lamp - rear fog light warning lamp - left turn signal warning lamp - digital clock https://portal-diagnostov.com/license.html
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G21Speedometer
J285Control unit with display in dash panel insert
J393Convenience system central control unit
K1Main beam warning lamp
K13Rear fog light warning lamp
K65Left turn signal warning lamp
K94Right turn signal warning lamp
Y2Digital clock
  135 Earth connection -2-, in dash panel wiring harness
  A13 Connection (door contact switch), in dash panel wiring harness
  A51 Connection (56), in dash panel wiring harness

Wiring Diagram SEAT LEON 2002 - Control unit with display in dash panel insert - multi-function display call-up button - handbrake warning switch



Wiring Diagram  SEAT LEON 2002 - Control unit with display in dash panel insert - multi-function display call-up button - handbrake warning switch https://portal-diagnostov.com/license.html
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E86Multi-function display call-up button
E109Multi-function display, memory switch
F9Handbrake warning switch
F34Brake fluid level warning contact
G33Windscreen washer fluid level sender
J285Control unit with display in dash panel insert
K4Side light warning lamp
K14Handbrake warning lamp
K37Windscreen washer fluid level warning lamp
K102Tailgate/bootlid closed warning lamp
K118Brake system warning lamp
  179 Earth connection, in left headlight wiring harness
  269 Earth connection (sender earth) -1-, in dash panel wiring harness
  A115 Connection (handbrake warning), in dash panel wiring harness

Wiring Diagram SEAT LEON 2002 - Turn signal switch - headlight dipper/flasher switch - parking light switch - twin filament bulb/sealed beam insert - left



Wiring Diagram  SEAT LEON 2002 - Turn signal switch - headlight dipper/flasher switch - parking light switch - twin filament bulb/sealed beam insert - left https://portal-diagnostov.com/license.html
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E2Turn signal switch
E4Headlight dipper/flasher switch
E19Parking light switch
L1Twin filament bulb/sealed beam insert, left
M1Side light bulb, left
M5Turn signal bulb, front left
M18Side turn signal bulb, left
S18Fuse in fuse box/relay plate
S19Fuse in fuse box/relay plate
S21Fuse in fuse box/relay plate
T88-pin connector, headlight, left
  179 Earth connection, in left headlight wiring harness
  B166 Connection (56a), in interior wiring harness

Wiring Diagram SEAT LEON 2002 - Hazard warning light switch - hazard warning light system warning lamp - twin filament bulb/sealed beam insert - right



Wiring Diagram  SEAT LEON 2002 - Hazard warning light switch - hazard warning light system warning lamp - twin filament bulb/sealed beam insert - right https://portal-diagnostov.com/license.html
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E3Hazard warning light switch
J1Turn signal relay
K6Hazard warning light system warning lamp
L2Twin filament bulb/sealed beam insert, right
M3Side light bulb, right
M7Turn signal bulb, front right
M19Side turn signal bulb, right
S20Fuse in fuse box/relay plate
T8a8-pin connector, headlight, right
  179 Earth connection, in left headlight wiring harness
  B167 Connection (56b), in interior wiring harness
*Only models with range control adjuster
**Only models without range control adjuster

Wiring Diagram SEAT LEON 2002 - Brake light switch - cruise control system brake pedal switch (diesel direct injection system) - turn signal bulb - rear left - brake and tail light bulb - left



Wiring Diagram  SEAT LEON 2002 - Brake light switch - cruise control system brake pedal switch (diesel direct injection system) - turn signal bulb - rear left - brake and tail light bulb - left https://portal-diagnostov.com/license.html
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FBrake light switch
F47Cruise control system brake pedal switch (diesel direct injection system)
J...Engine control units
M6Turn signal bulb, rear left
M21Brake and tail light bulb, left
T6h6-pin connector, in left luggage compartment
  86 Earth connection -1-, in rear wiring harness
  219 Earth connection -2-, in tailgate/boot lid wiring harness
  A6 Positive (+) connection (left turn signal), in dash panel wiring harness
  A98 Positive (+) connection -4- (30), in dash panel wiring harness
  B131 Connection (54), in interior wiring harness
  W1 Positive (+) connection -1- (54), in rear wiring harness
*Only models with diesel engine
**Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Reversing light switch - reversing light bulb - left - reversing light bulb - right - high level brake light bulb



Wiring Diagram  SEAT LEON 2002 - Reversing light switch - reversing light bulb - left - reversing light bulb - right - high level brake light bulb https://portal-diagnostov.com/license.html
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F4Reversing light switch
M16Reversing light bulb, left
M17Reversing light bulb, right
M25High level brake light bulb
T5j5-pin connector, brown, in bootlid
T5k5-pin connector, in flap right
T5l5-pin connector, in flap left
T5m5-pin connector, in bootlid
T5n5-pin connector, in left luggage compartment
T5s5-pin connector
T1010-pin connector, orange, in protective housing for connectors, on left in plenum chamber
  98 Earth connection, in tailgate/boot lid wiring harness
  A87 Connection (RL), in dash panel wiring harness
  B131 Connection (54), in interior wiring harness
  W3 Connection, in rear wiring harness
  W33 Connection (reversing light), in tailgate/boot lid wiring harness
*Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Turn signal bulb - rear right - reversing light bulb - left - reversing light bulb - right - brake and tail light bulb - right



Wiring Diagram  SEAT LEON 2002 - Turn signal bulb - rear right - reversing light bulb - left - reversing light bulb - right - brake and tail light bulb - right https://portal-diagnostov.com/license.html
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M8Turn signal bulb, rear right
M16Reversing light bulb, left
M17Reversing light bulb, right
M22Brake and tail light bulb, right
T3j3-pin connector, in tailgate/boot lid, left
T3k3-pin connector, in tailgate/boot lid, right
T5a5-pin connector
T6h6-pin connector, in left luggage compartment
T6i6-pin connector, in right luggage compartment
  98 Earth connection, in tailgate/boot lid wiring harness
  A5 Positive (+) connection (right turn signal), in dash panel wiring harness
  W3 Connection, in rear wiring harness
  W33 Connection (reversing light), in tailgate/boot lid wiring harness
*Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Rear fog light bulb - left - rear fog light bulb - right



Wiring Diagram  SEAT LEON 2002 - Rear fog light bulb - left - rear fog light bulb - right https://portal-diagnostov.com/license.html
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L46Rear fog light bulb, left
L47Rear fog light bulb, right
T3j3-pin connector, in tailgate/boot lid, left
T3k3-pin connector, in tailgate/boot lid, right
T5a5-pin connector
T5k5-pin connector, in flap right
T5l5-pin connector, in flap left
T5m5-pin connector, in bootlid
T5n5-pin connector, in left luggage compartment
T6i6-pin connector, in right luggage compartment
  98 Earth connection, in tailgate/boot lid wiring harness
  A88 Connection (rear fog light), in dash panel wiring harness
  W4 Connection -1- (rear fog light), in rear wiring harness
*Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Tailgate/boot lid release switch - tank filler flap remote release switch - luggage compartment light switch - button illumination



Wiring Diagram  SEAT LEON 2002 - Tailgate/boot lid release switch - tank filler flap remote release switch - luggage compartment light switch - button illumination https://portal-diagnostov.com/license.html
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E165Tailgate/boot lid release switch
E204Tank filler flap remote release switch
F5Luggage compartment light switch
G266Oil level/oil temperature sender
J393Convenience system central control unit
L76Button illumination
S323Fuel tank lock release fuse
V155Tank filler flap release motor
W3Luggage compartment light
T5a5-pin connector
T5m5-pin connector, in bootlid
T5n5-pin connector, in left luggage compartment
T14a14-pin connector, in cable channel left
  85 Earth connection -1-, in engine compartment wiring harness
  A29 Connection (interior light), in dash panel wiring harness
  B114 Connection (inhibitor switch), in interior wiring harness
  Y1 Positive (+) connection (30), in interior light wiring harness
  W15 Connection -1- (luggage compartment light), in rear wiring harness
*Only Toledo
**Only models with maintenance intermittent extension
---Only León

Wiring Diagram SEAT LEON 2002 - Cigarette lighter light bulb - radio - cigarette lighter



Wiring Diagram  SEAT LEON 2002 - Cigarette lighter light bulb - radio - cigarette lighter https://portal-diagnostov.com/license.html
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L28Cigarette lighter light bulb
RRadio
S10Fuse in fuse box/relay plate
S12Fuse in fuse box/relay plate
S13Fuse in fuse box/relay plate
S15Fuse in fuse box/relay plate
S239Fuse in fuse box
S240Fuse in fuse box
S241Fuse in fuse box
S242Fuse in fuse box
U1Cigarette lighter
T10d10-pin connector, green, in protective housing for connectors, on left in plenum chamber
T1616-pin connector, self-diagnosis
  255 Earth connection -1-, in radio wiring harness
  A4 Positive (+) connection (58b), in dash panel wiring harness
  A11 Positive (+) connection (58b), in dash panel wiring harness
  A21 Connection (86s), in dash panel wiring harness
  A76 Connection (diagnosis wire K), in dash panel wiring harness
  V22 Positive (+) connection (30a), in navigation wiring harness

Wiring Diagram SEAT LEON 2002 - Lighting switch - front and rear fog light switch - rear fog light switch - fog light warning lamp - lighting switch light bulb



Wiring Diagram  SEAT LEON 2002 - Lighting switch - front and rear fog light switch - rear fog light switch - fog light warning lamp - lighting switch light bulb https://portal-diagnostov.com/license.html
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E1Light switch
E7Fog light switch
E18Rear fog light switch
K17Fog light warning lamp
L9Light switch light bulb
S236Fuse in fuse box
T8a8-pin connector, headlight, right
*Provision for fog lights

Wiring Diagram SEAT LEON 2002 - Horn plate - horn/dual tone horn - dual tone horn relay - glove box light - number plate light



Wiring Diagram  SEAT LEON 2002 - Horn plate - horn/dual tone horn - dual tone horn relay - glove box light - number plate light https://portal-diagnostov.com/license.html
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HHorn plate
H1Horn/dual tone horn
J4Dual tone horn relay
S1Fuse in fuse box/relay plate
S3Fuse in fuse box/relay plate
S4Fuse in fuse box/relay plate
W6Glove box light
XNumber plate light
T5a5-pin connector
T5b5-pin connector, next to steering column
T5k5-pin connector, in flap right
T5m5-pin connector, in bootlid
T5n5-pin connector, in left luggage compartment
  176 Earth connection, in right headlight wiring harness
  A37 Connection (58a), in dash panel wiring harness
  A61 Positive (+) connection (X), in dash panel wiring harness
  A90 Connection (dual tone horn), in dash panel wiring harness
  W41 Positive (+) connection (58), in licence plate light wiring harness
*Only models with dual tone horn
**Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Switches and instruments - lighting control - headlight range control adjuster - headlight range control motor -left - headlight range control motor - right



Wiring Diagram  SEAT LEON 2002 - Switches and instruments - lighting control - headlight range control adjuster - headlight range control motor -left - headlight range control motor - right https://portal-diagnostov.com/license.html
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E20Lighting regulator - switches and instruments
E102Headlight range control adjuster
V48Headlight range control motor, left
V49Headlight range control motor, right
T88-pin connector, headlight, left
T8a8-pin connector, headlight, right
  101 Earth connection, in headlight range adjustment wiring harness
  176 Earth connection, in right headlight wiring harness
  A103 Connection -2- (56), in dash panel wiring harness
  A114 Connection (headlight range control), in dash panel wiring harness
*Only models with range control adjuster

Wiring Diagram SEAT LEON 2002 - Fresh air blower switch - fresh air/air recirculating flap switch - fresh air/air recirculation warning lamp - fresh air regulation light bulb



Wiring Diagram  SEAT LEON 2002 - Fresh air blower switch - fresh air/air recirculating flap switch - fresh air/air recirculation warning lamp - fresh air regulation light bulb https://portal-diagnostov.com/license.html
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E9Fresh air blower switch
E159Fresh air/air recirculating flap switch
K114Fresh air/air recirculation warning lamp
L16Fresh air control light bulb
N24Fresh air blower with overheating fuse series resistor
S2Fuse in fuse box/relay plate
S225Fuse in fuse box
V2Fresh air blower
V154Fresh air/recirculating air flap control motor
T4c4-pin connector, under front passenger's seat
  162 Earth connection, in blower motor wiring harness
  A20 Connection (15a), in dash panel wiring harness
  L66 Connection, in heater blower wiring harness

Wiring Diagram SEAT LEON 2002 - Heated rear window switch - heated rear window warning lamp - heated rear window switch bulb - rear window wiper motor - windscreen and rear window washer pump - heated rear window



Wiring Diagram  SEAT LEON 2002 - Heated rear window switch - heated rear window warning lamp - heated rear window switch bulb - rear window wiper motor - windscreen and rear window washer pump - heated rear window https://portal-diagnostov.com/license.html
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E15Heated rear window switch
K10Heated rear window warning lamp
L39Heated rear window switch bulb
S224Fuse in fuse box
S226Fuse in fuse box
S227Fuse in fuse box
V12Rear window wiper motor
V59Windscreen and rear window washer pump
Z1Heated rear window
T5s5-pin connector
T7a7-pin connector, in centre console
  A97 Connection (53), in dash panel wiring harness
  A102 Connection (windscreen wiper), in dash panel wiring harness
  W8 Connection(15a), in rear wiring harness
*Only Toledo
---Only León

Wiring Diagram SEAT LEON 2002 - Intermittent wiper switch - intermittent wiper control - automatic intermittent wash/wipe relay - windscreen wiper motor



Wiring Diagram  SEAT LEON 2002 - Intermittent wiper switch - intermittent wiper control - automatic intermittent wash/wipe relay - windscreen wiper motor https://portal-diagnostov.com/license.html
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E22Intermittent wiper switch
E38Intermittent wiper control
J31Automatic intermittent wash/wipe relay
VWindscreen wiper motor
  A96 Connection (53a), in dash panel wiring harness
  A97 Connection (53), in dash panel wiring harness


SEAT LEON 2002 Overview of relay

Overview of relay
   
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1 - 
2 -  Relay on relay plate
q   Position of relays
2 - 

   
Relay in left engine compartment:
A -  Secondary air pump relay -J299- (100)
 -  High heat output relay -J360- (100) (only models with auxiliary heater)
B -  Terminal 30 voltage supply relay -J689- (428)
 -  Current supply relay for Simos control unit -J363- (429) (for models with engine code BFQ only)
 -  Low heat output relay -J359- (53) (only models with auxiliary heater)
C -  Vacant
 
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SEAT LEON 2002 Relay on relay plate

Relay on relay plate
1 -  Dual tone horn relay -J4- (53)
2 -  X-contact relief relay -J59- (100)
3 -  Vacant
4 -  Fuel pump relay -J17- (409)
 -  Glow plug relay -J52- (103)
V y Vl -  Automatic intermittent wash and wipe relay -J31-
 -  with rain sensor, with/without headlight washer system (192)
 -  without rain sensor, with headlight washer system (389)
 -  without rain sensor, without headlight washer system (377)
 
SEAT LEON 2002 Relay on relay plate https://portal-diagnostov.com/license.html
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SEAT LEON 2002 Relay on the 13 position additional relay carrier above the relay plate

Relay on the 13 position additional relay carrier above the relay plate
Left-handdrive vehicles:
1 -  Telephone relay
2....9 -  Vacant
10 -  Fuel pump relay (turbo diesel engine unit injectors) (167) -J17- (up to October 2002)
 -  Fuel pump relay (TDI-PD) (53) (from November 2002)
11 -  Automatic gearbox relay AG4 -J60- (175)
12 -  Terminal 30 voltage supply relay -J317- (109)
13 -  Radiator fan relay (53)
 
SEAT LEON 2002 Relay on the 13 position additional relay carrier above the relay plate https://portal-diagnostov.com/license.html
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Right-handdrive vehicles:
1....5 -  Vacant
6 -  Telephone switch-over relay
7 -  Radiator fan relay -J26- (53)
8 -  Terminal 30 voltage supply relay (109)
9 -  Automatic gearbox relay AG4 -J60- (175)
10 -  Fuel pump relay (turbo diesel engine unit injectors)-J17- (167) (up to October 2002)
 -  Fuel pump relay (TDI-PD) (53) (from November 2002)
11 -  Vacant
12 -  Cigarette lighter relay Australia -J193- (53)
13 -  Vacant
 
SEAT LEON 2002 Relay on the 13 position additional relay carrier above the relay plate https://portal-diagnostov.com/license.html
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SEAT LEON 2002 Glow plug activation control unit:

Glow plug activation control unit:
A -  Glow plug activation control unit -J370- (with engine code ARL only)
 
SEAT LEON 2002 Glow plug activation control unit: https://portal-diagnostov.com/license.html
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SEAT LEON 2002 Overview of fuses

Overview of fuses
   
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1 - 
q   Position of fuses
2 - 
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:

   
Fuse in fuse holder, 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
The fuse electrical connections are shown in the respective current flow diagrams. The fuses for options not mentioned are also shown in the respective Current flow diagrams.
Fuses from S 24 are designated with an additional characteristic o. distinctive feature "2" in the Current Flow Diagram, for example: S 40 is designated as S 240.
 
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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
Right-handdrive vehicles
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)
F -  Taxi fuse (15 A)
G -  Vacant
H -  Vacant
 
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Left-handdrive vehicles:
A -  Seat adjustment fuse -S45- (30 A)
B -  Vacuum pump fuse (20 A)
C -  Window regulator fuse -S37- (30 A)
D -  Vacant
E -  Taxi fuse (15 A)
F -  Alarm horn fuse 1 -S111- (15 A)
 -  Turn signal fuse -S144- (15 A)
G -  Fuel charging hole fuse -S323- (10 A)
H -  Vacant
 
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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):
Fuses:
S162 -  Glow plug heater 50 A
S163 -  Engine control unit 50 A
S164 -  Radiator fan 40 A
S176 -  Passenger compartment, 110A
S177 -  Alternator (90 A), 110 A
 -  Alternator (120 A), 150 A
S178 -  ABS (pump), 30 A
S179 -  ABS, 30 A
S180 -  Radiator fan 30 A
 
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SEAT LEON 2002 Fuse on fuse holder, next to battery (from September 2000):

Fuse on fuse holder, next to battery (from September 2000):
A -  Red wire, 16mm²
   
Fuses:
S162 -  Glow plug heater 50 A
S163 -  Engine control unit 50 A
S164 -  Radiator fan 40 A
S176 -  Passenger compartment, 110A
S177 -  Alternator (90 A), 110 A
 -  Alternator (120 A), 150 A
S178 -  ABS (pump), 30 A
S179 -  ABS, 30 A
S180 -  Radiator fan 30 A
 
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SEAT LEON 2002 Overview of coupling station and connections for wiring harness

Overview of coupling station and connections for wiring harness
   
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1 -  Coupling station in protective housing, in plenum chamber
q   With connectors -T10g-, -T10d-, -T10e-, -T10-, -T6l-, -T10h-,
2 -  Coupling station, right B-pillar
q   With connector
3 -  Coupling station on left of C-pillar
q   Location
4 -  Coupling station on left of A-pillar
q   With connector
5 -  Coupling station in engine compartment, in left wiring harness
q   Location

   
Coupling station in protective housing, in plenum chamber
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1 -  10-pin connector -T10g-, grey, automatic gearbox
2 -  10-pin connector, -T10d-, white, data bus wire, engine control unit, automatic gearbox, Motronic control unit, ABS control unit
3 -  10-pin connector -T10e-, black, cruise control system, Motronic control unit, engine control unit
4 -  10-pin connector -T10-, orange, reversing lights, engine control unit, starter, Climatronic control unit, Motronic control unit
5 -  6-pin connector -T6l-, brown, starter, fuel pump relay, engine control unit

   

Toledo/León Fitting Locations No.  803 / 3
   
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6 -  10-pin connector -T10h-, blue, accelerator position sender, Motronic control unit, engine control unit
7 -  10-pin connector, -T10v-, green, radiator outlet coolant temperature sender, radiator fan control unit, potentiometer for temperature selection rotary knob

   

SEAT LEON 2002 Coupling station, right B-pillar

Coupling station, right B-pillar
1 -  10-pin connector -T10m-, black, signal loudspeakers, central locking, rear electric window regulator, rear door warning lamp
The wiring on the B-pillar, left, is installed vice versa.
 
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SEAT LEON 2002 Coupling station on left of C-pillar

Coupling station on left of C-pillar
See connectors in fitting locations: Multi-pin connections.
1 -  Earth connection
2 -  Rear fog light, number plate light, reversing lights
black
3 -  Rear window wiper and washer system (only for Leon)
pink
4 -  Central locking
brown
 
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SEAT LEON 2002 Coupling station on left of A-pillar

Coupling station on left of A-pillar
1 -  10-pin connector -T10i-, black, central locking, electric mirror adjustment, radio with muting / electric windows
The wiring on the A-pillar, right, is installed vice versa.
 
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SEAT LEON 2002 Coupling station in engine compartment, in left wiring harness

Coupling station in engine compartment, in left wiring harness
See connectors in fitting locations: Multi-pin connections.
 
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SEAT LEON 2002 Overview of earth points in engine compartment

Overview of earth points in engine compartment
   
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  608 Earth point, in centre of plenum chamber ⇒ -arrow-
 
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  10 Earth point, in plenum chamber ⇒ -arrow-
 
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  609 Earth point, on right in plenum chamber ⇒ -arrow-
 
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  1 Earth strap, battery - body
⇒ Arrow A
 
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  12 Earth points, on left in engine compartment ⇒ -arrow B-
 
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  2 Earth strap, gearbox - body ⇒ -arrow-
 
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Overview of earth points in vehicle interior
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Toledo/León Fitting Locations No.  801 / 6
   
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  43 Earth point, lower part of right A-pillar ⇒ -arrow-
 
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  78 Earth point on right B-pillar ⇒ -arrow-
 
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  77 Earth point on left B-pillar ⇒ -arrow-
 
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  44 Earth point, lower part of left A-pillar ⇒ -arrow-
 
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  33 Earth point behind dash panel on right ⇒ -arrow-
  42 Same earth point as ⇒ -arrow-
 
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  32 Earth point behind dash panel on left ⇒ -arrow-
 
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  45 Earth point, behind dash panel
 
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SEAT LEON 2002 Overview of earth points in luggage compartment (Toledo)

Overview of earth points in luggage compartment (Toledo)
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  50 Earth point, on left in luggage compartment
 
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Overview of earth points in luggage compartment (León)
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  57 Earth point, left rear pillar
 
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