AUTOMOTIVE ELECTRICIANS
WIRING-DIAGRAMS

SEAT LEON 2002 – Automatic gearbox (AG4), 1.6 l/92 kW Motronic, engine codes APG . Wiring diagrams, Pin Connector, Location

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Wiring Diagram SEAT LEON 2002 - Starter inhibitor and reversing light relay



Wiring Diagram SEAT LEON 2002 - Starter inhibitor and reversing light relay
BStarter
DIgnition/starter switch
F4Reversing light switch
J220Motronic control unit
J226Starter inhibitor and reversing light relay
S15Fuse in fuse box/relay plate
T6l6-pin connector, brown, in protective housing for connectors, in plenum chamber, left
T99-pin connector
T1010-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T10g10-pin connector, grey, in protective housing for connectors, in plenum chamber, left
T121121-pin connector
  114 Earth connection, in automatic gearbox wiring harness
  501 Screw connection -2- (30), on relay plate
  A32 Positive (+) connection (30), in dash panel wiring harness
  A52 Positive (+) connection -2- (30), in dash panel wiring harness
  A87 Connection (RF (reversing light)), in dash panel wiring harness

Wiring Diagram SEAT LEON 2002 - Automatic gearbox control unit - multi-function switch



Wiring Diagram SEAT LEON 2002 - Automatic gearbox control unit - multi-function switchUnlock Lifetime Access for This Car.
F125Multi-function switch
J217Automatic gearbox control unit
J220Motronic control unit
J255Climatronic control unit
J285Control unit with warning lamps on instrument panel
J293Radiator fan control unit
Y6Selector lever position indicator
T8p8-way connector
T1010-way connector, orange, in the connector's protective casing, plenum chamber, left
T10g10-way connector, grey, in the connector's protective casing, plenum chamber, left
T10n10-way connector, instrument panel
T1414-way connector
T1616 -way connector, self-diagnosis
T16b16-way connector
T3232-way connector, blue, instrument panel
T6868-way connector
T121121-way connector
  A52 Positive connection -2- (30), instrument panel wiring harness
  A76 Connection (diagnosis cable K), instrument panel wiring harness

Wiring Diagram SEAT LEON 2002 - Automatic gearbox control unit - gearbox speed sender - gearbox oil temperature sender - electro-valve 1 - electro-valve 2



Wiring Diagram SEAT LEON 2002 - Automatic gearbox control unit - gearbox speed sender - gearbox oil temperature sender - electro-valve 1 - electro-valve 2Unlock Lifetime Access for This Car.
G38Gearbox speed sender
G93Gearbox oil temperature sender
J104Control unit for ABS with EDS
J217Automatic gearbox control unit
J220Motronic control unit
N88Electro-valve 1
N89Electro-valve 2
N90Electro-valve 3
N91Electro-valve 4
N92Electro-valve 5
N93Electro-valve 6
N94Electro-valve 7
T2x2-way connector
T10d10-way connector, green, in the connector's protective casing, plenum chamber, left
T12f12-way connector
T2525-way connector
T4747-way connector
T6868-way connector
T121121-way connector

Wiring Diagram SEAT LEON 2002 - Automatic gearbox control unit - vehicle speed sender - selector lever position P/N warning lamp - selector lever display illumination



Wiring Diagram SEAT LEON 2002 - Automatic gearbox control unit - vehicle speed sender - selector lever position P/N warning lamp - selector lever display illuminationUnlock Lifetime Access for This Car.
E204Tank filler flap remote release switch
FBrake light switch
G68Vehicle speed sender
J217Automatic gearbox control unit
J285Control unit with display in dash panel insert
J492Four-wheel drive control unit
K142Selector lever position P/N warning lamp
L101Selector lever display illumination
N110Selector lever lock solenoid
S7Fuse in fuse box/relay plate
S11Fuse in fuse box/relay plate
S231Fuse in fuse box
T3g3-pin connector, on gearbox
T10g10-pin connector, grey, in protective housing for connectors, in plenum chamber, left
T6868-pin connector
  135 Earth connection -2-, in dash panel wiring harness
  A2 Positive (+) connection (15), in dash panel wiring harness
  A4 Positive (+) connection (58b), in dash panel wiring harness
  B163 Positive (+) connection -1- (15), in interior wiring harness
  B165 Positive (+) connection -2- (15), in interior wiring harness
  U8 Positive (+) connection (15a), in automatic gearbox wiring harness
  W1 Positive (+) connection -1- (54), in rear wiring harness
*Only models allroad


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 harnessUnlock Lifetime Access for This 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 harnessUnlock Lifetime Access for This 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 harnessUnlock Lifetime Access for This 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 compartmentUnlock Lifetime Access for This Car.

   
  10 Earth point, in plenum chamber ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.
  1 Earth strap, battery - body
⇒ Arrow A
 
SEAT LEON 2002 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.
  2 Earth strap, gearbox - body ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.
Overview of earth points in vehicle interior
SEAT LEON 2002 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.

   

   
  78 Earth point on right B-pillar ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentUnlock Lifetime Access for This Car.
  44 Earth point, lower part of left A-pillar ⇒ -arrow-
 
SEAT LEON 2002 Overview of earth points in engine compartmentUnlock Lifetime Access for This 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 compartmentUnlock Lifetime Access for This 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)Unlock Lifetime Access for This Car.

   

   


SEAT LEON 2002 Overview of fuses

Overview of fuses
   
SEAT LEON 2002 Overview of fusesUnlock Lifetime Access for This 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 panelUnlock Lifetime Access for This 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 panelUnlock Lifetime Access for This 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):Unlock Lifetime Access for This Car.

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

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