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WIRING-DIAGRAMS

SEAT LEON 2002 – Radio navigation system (MFD) with colour display . Wiring diagrams, Pin Connector, Location

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Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - control unit with display in dash panel insert



Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - control unit with display in dash panel insert
DIgnition/starter switch
F4Reversing light switch
G106Ambient temperature indicator
J...Engine control units
J226Starter inhibitor and reversing light relay
J285Control unit with display in dash panel insert
J503Control unit with display for radio and navigation
T1010-pin connector, orange, in protective housing for connectors, on left in plenum chamber
T1616-pin connector, self-diagnosis
  255 Earth connection -1-, in radio wiring harness
  A21 Connection (86s), in dash panel wiring harness
  A27 Connection (speed signal), in dash panel wiring harness
  A76 Connection (diagnosis wire K), in dash panel wiring harness
  A87 Connection (RL), in dash panel wiring harness
*Only models up to October 2001
**Only models from November 2001
***Only models with manual gearbox
****Only models with automatic gearbox

Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - headphone connection - CD changer



Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - headphone connection - CD changerGet access to all wiring diagrams of the car
E20Lighting regulator-switches and instruments
J104ABS with EDL control unit
J503Control unit with display for radio and navigation
R13Headphone connection
R41CD changer
T8b8-pin connector, on radio
T12a12-pin connector, in glove box
T2020-pin connector, on radio
T2626-pin connector
  A11 Positive (+) connection (58b), in dash panel wiring harness
  A133 Connection (ABS impulses, left), in dash panel wiring harness
  A134 Connection (ABS impulse, right), in dash panel wiring harness
  V14 Connection (screening), in CD changer wiring harness

Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - rear left treble loudspeaker - rear left bass loudspeaker - front left treble loudspeaker - front left bass loudspeaker



Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - rear left treble loudspeaker - rear left bass loudspeaker - front left treble loudspeaker - front left bass loudspeakerGet access to all wiring diagrams of the car
J503Control unit with display for radio and navigation
R14Rear left treble loudspeaker
R15Rear left bass loudspeaker
R20Front left treble loudspeaker
R21Front left bass loudspeaker
R22Front right treble loudspeaker
R23Front right bass loudspeaker
T8d8-way connector, radio
T10i10-way connector, black, interconnection, strut A, left
T10k10-way connector, black, interconnection, strut A, right
T10l10-way connector, black, interconnection, strut B, left

Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - rear right treble loudspeaker - rear right bass loudspeaker - navigation aerial (GPS) - radio/telephone aerial



Wiring Diagram SEAT LEON 2002 - Control unit with display for radio and navigation - rear right treble loudspeaker - rear right bass loudspeaker - navigation aerial (GPS) - radio/telephone aerialGet access to all wiring diagrams of the car
DIgnition and starter switch
J503Control unit with display for radio and navigation
R16Rear right treble loudspeaker
R17Rear right bass loudspeaker
R50Navigation aerial (GPS)
R51Radio/telephone aerial
S5Fuse in fuse holder/relay plate
S242Fuse in fuse holder
T11-way connector, driver's door
T1b1-way connector, glove compartment
T8b8-way connector, radio
T8d8-way connector, radio
T10m10-way connector, black, interconnection, strut B, right
T2626-way connector
  501 Bolted joint -2- (30), on the relay plate
  A2 Positive connection (15), instrument panel wiring harness
  A20 Connection (15a), instrument panel wiring harness
  V22 Positive connection (30a), navigation wiring harness


SEAT LEON 2002 Overview of coupling station and connections for wiring harness

Overview of coupling station and connections for wiring harness
   
SEAT LEON 2002 Overview of coupling station and connections for wiring harnessGet access to all wiring diagrams of the car
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
SEAT LEON 2002 Overview of coupling station and connections for wiring harnessGet access to all wiring diagrams of the car
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

   
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



SEAT LEON 2002 Coupling station on left of C-pillar

SEAT LEON 2002 Coupling station on left of A-pillar


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.
 
SEAT LEON 2002 Coupling station in engine compartment, in left wiring harnessGet access to all wiring diagrams of the car


SEAT LEON 2002 Overview of earth points in engine compartment

Overview of earth points in engine compartment
   
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car

   
  10 Earth point, in plenum chamber ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car
  1 Earth strap, battery - body
⇒ Arrow A
 
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car
  2 Earth strap, gearbox - body ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car
Overview of earth points in vehicle interior
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car

   

   
  78 Earth point on right B-pillar ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car
  44 Earth point, lower part of left A-pillar ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car
  33 Earth point behind dash panel on right ⇒ -arrow-
  45 Earth point, behind dash panel
 
SEAT LEON 2002 Overview of earth points in engine compartmentGet access to all wiring diagrams of the car

SEAT LEON 2002 Overview of earth points in luggage compartment (Toledo)

Overview of earth points in luggage compartment (Toledo)
SEAT LEON 2002 Overview of earth points in luggage compartment (Toledo)Get access to all wiring diagrams of the car

   

   


SEAT LEON 2002 Overview of fuses

Overview of fuses
   
SEAT LEON 2002 Overview of fusesGet access to all wiring diagrams of the car
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:

   

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
 
SEAT LEON 2002 Position of fuses in fuse holder, left dash panelGet access to all wiring diagrams of the car
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
 
SEAT LEON 2002 Position of fuses in fuse holder, left dash panelGet access to all wiring diagrams of the car

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
 
SEAT LEON 2002 Fuse on fuse holder, next to battery (up to August 2000):Get access to all wiring diagrams of the car

SEAT LEON 2002 Fuse on fuse holder, next to battery (from September 2000):

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