AUTOMOTIVE ELECTRICIANS
WIRING-DIAGRAMS

SEAT LEON 2004 – Radiator fan, 2 speed (only models without air conditioner with manual or automatic control), 1.9 l/110 kW turbo-diesel engine, engine codes ARL . Wiring diagrams, Pin Connector, Location

    HomeSEATSEAT LEONSEAT LEON 2004SEAT LEON 2004 ALL WIRING DIAGRAMS - ENGLISH
Download PDF file

Wiring Diagram SEAT LEON 2004 - Radiator fan control unit - radiator fan thermo-switch - discharge relay for contact X



Wiring Diagram SEAT LEON 2004 - Radiator fan control unit - radiator fan thermo-switch - discharge relay for contact XGet access to all wiring diagrams of the carDownload PDF file
ABattery
DIgnition and starter switch
F18Radiator fan thermo-switch
J59Discharge relay for contact X
J293Radiator fan control unit
S5Fuses in fuse holder/relay plate
S16Fuses in fuse holder/relay plate
S164Fuse -3- (30) in fuse holder/battery
S176Fuse -4- (30) in fuse holder/battery
S180Fuse -8- (30) in fuse holder/battery
  193 Earth connection -1-, coolant fan wiring harness
  500 Bolted joint -1- (30), on the relay plate
  501 Bolted joint -2- (30), on the relay plate
  A2 Positive connection (15), instrument panel wiring harness
  A20 Connection (15a), instrument panel wiring harness
  A32 Positive connection (30), instrument panel wiring harness

Wiring Diagram SEAT LEON 2004 - Radiator fan control unit - radiator fan - radiator fan - right



Wiring Diagram SEAT LEON 2004 - Radiator fan control unit - radiator fan - radiator fan - rightGet access to all wiring diagrams of the carDownload PDF file
J248Direct diesel injection control unit
J293Radiator fan control unit
V7Radiator fan
V35Radiator fan, right
T3b3-way connector, radiator
T3c3-way connector, radiator
T10d10-way connector, green, in the connector's protective casing, plenum chamber, left
  193 Earth connection -1-, radiator fan wiring harness
  C11 Connection, in the radiator fan wiring harness
  K21 Earth connection -1-, radiator fan wiring harness


SEAT LEON 2004 Overview of relay

Overview of relay
   
SEAT LEON 2004 Overview of relayGet access to all wiring diagrams of the carDownload PDF file
1 - 
2 -  Relay on relay plate
q   Position of relays
2 - 

   
Download PDF file

SEAT LEON 2004 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 2004 Relay on relay plateGet access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2004 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 2004 Relay on the 13 position additional relay carrier above the relay plateGet access to all wiring diagrams of the carDownload PDF file
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 2004 Relay on the 13 position additional relay carrier above the relay plateGet access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2004 Glow plug activation control unit:

Download PDF file


SEAT LEON 2004 Overview of fuses

Overview of fuses
   
SEAT LEON 2004 Overview of fusesGet access to all wiring diagrams of the carDownload PDF file
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:

   
Download PDF file

SEAT LEON 2004 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 2004 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 2004 Position of fuses in fuse holder, left dash panelGet access to all wiring diagrams of the carDownload PDF file
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 2004 Position of fuses in fuse holder, left dash panelGet access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2004 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 2004 Fuse on fuse holder, next to battery (up to August 2000):Get access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2004 Fuse on fuse holder, next to battery (from September 2000):

Download PDF file

SEAT LEON 2004 Overview of coupling station and connections for wiring harness

Overview of coupling station and connections for wiring harness
   
SEAT LEON 2004 Overview of coupling station and connections for wiring harnessGet access to all wiring diagrams of the carDownload PDF file
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 2004 Overview of coupling station and connections for wiring harnessGet access to all wiring diagrams of the carDownload PDF file
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

   
Download PDF file
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 2004 Coupling station, right B-pillar

Download PDF file


SEAT LEON 2004 Coupling station on left of C-pillar

Download PDF file

SEAT LEON 2004 Coupling station on left of A-pillar

Download PDF file


SEAT LEON 2004 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 2004 Coupling station in engine compartment, in left wiring harnessGet access to all wiring diagrams of the carDownload PDF file


SEAT LEON 2004 Overview of earth points in engine compartment

Overview of earth points in engine compartment
   
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file

   
Download PDF file
  10 Earth point, in plenum chamber ⇒ -arrow-
 
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
Download PDF file
  1 Earth strap, battery - body
⇒ Arrow A
 
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
Download PDF file
  2 Earth strap, gearbox - body ⇒ -arrow-
 
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
Overview of earth points in vehicle interior
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file

   
Download PDF file

   
Download PDF file
  78 Earth point on right B-pillar ⇒ -arrow-
 
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
Download PDF file
  44 Earth point, lower part of left A-pillar ⇒ -arrow-
 
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
  33 Earth point behind dash panel on right ⇒ -arrow-
Download PDF file Download PDF file
  45 Earth point, behind dash panel
 
SEAT LEON 2004 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2004 Overview of earth points in luggage compartment (Toledo)

Overview of earth points in luggage compartment (Toledo)
SEAT LEON 2004 Overview of earth points in luggage compartment (Toledo)Get access to all wiring diagrams of the carDownload PDF file

   
Download PDF file Download PDF file

   
Download PDF file
Didn't find a car made after 2014? Look here -> DiagnostData.com!