SEAT LEON 2002 – Volumetric alarm . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2002 - Convenience system central control unit - bonnet contact switch - anti-theft alarm system horn

E2	Turn signal switch
F266	Bonnet contact switch
H8	Anti-theft alarm system horn
J285	Control unit with display in dash panel insert
J393	Convenience system central control unit
R47	Central locking and anti-theft alarm system
T12	12-pin connector, turn signals
T15	15-pin connector, behind the centre console
T16	16-pin connector, self-diagnosis
T23	23-pin connector, blue, on dash panel insert
176	Earth connection, in right headlight wiring harness
179	Earth connection, in left headlight wiring harness
223	Earth connection, in anti-theft alarm system wiring harness
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
*	Only models with maintenance intermittent extension
**	Only models with immobilizer

Wiring Diagram SEAT LEON 2002 - Comfort system central control unit - interior surveillance deactivation switch - interior surveillance system switch illumination

E267	Interior surveillance deactivation switch, strut B
J393	Comfort system central control unit
L118	Interior surveillance system switch illumination
W	Front interior illumination
W13	Front passenger`s reading lamp
W19	Reading lamp, driver's side
T4y	4-way connector
T15	15-way connector, central console, behind
T23	23-way connector, under the steering wheel
A29	Connection (interior light), instrument panel wiring harness
A144	Connection (interior surveillance), instrument panel wiring harness
B129	Connection (interior light, 31L), interior wiring harness
R6	Positive connection -1-, interior light wiring harness
*	Only vehicles with twin-horn

Wiring Diagram SEAT LEON 2002 - Comfort system central control unit - interior surveillance sensor - reading lamp - rear left - reading lamp - rear right

G273	Interior surveillance sensor
G274	Interior surveillance transmitter
J393	Comfort system central control unit
W11	Reading lamp, rear left
W12	Reading lamp, rear right
T4z	4-way connector
T6v	6-way connector
T15	15-way connector, central console, behind
128	Earth connection -1-, interior lighting wiring harness
B129	Connection (interior light, 31L), interior wiring harness
R33	Positive connection -3-, interior light wiring harness

Wiring Diagram SEAT LEON 2002 - Comfort system central control unit

D	Ignition and starter switch
J393	Comfort system central control unit
S12	Fuse in fuse holder/relay plate
S111	Anti-theft alarm system and immobilizer fuse
S144	Anti-theft alarm system central locking fuse
T15	15-way connector, central console, behind
81	Earth connection -1-, instrument panel wiring harness
128	Earth connection -1-, interior lighting wiring harness
135	Earth connection -2-, instrument panel wiring harness
501	Bolted joint -2- (30), on the relay plate
A32	Positive connection (30), instrument panel wiring harness
B111	Positive connection -1- (30a), interior wiring harness

SEAT LEON 2002 Overview of earth points in engine compartment

Overview of earth points in engine compartment    

608	Earth point, in centre of plenum chamber ⇒ -arrow-

 

10 Earth point, in plenum chamber ⇒ -arrow-

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609	Earth point, on right in plenum chamber ⇒ -arrow-

 

1 Earth strap, battery - body ⇒ Arrow A

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12	Earth points, on left in engine compartment ⇒ -arrow B-

 

2 Earth strap, gearbox - body ⇒ -arrow-

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Overview of earth points in vehicle interior

Toledo/León	Fitting Locations	No.  801 / 6

43	Earth point, lower part of right A-pillar ⇒ -arrow-

 

78 Earth point on right B-pillar ⇒ -arrow-

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77	Earth point on left B-pillar ⇒ -arrow-

 

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-

 

32	Earth point behind dash panel on left ⇒ -arrow-

 

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)

50	Earth point, on left in luggage compartment

  Overview of earth points in luggage compartment (León)

57	Earth point, left rear pillar

 

SEAT LEON 2002 Overview of fuses

Overview of fuses    

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.

 

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   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Få åtkomst till alla kopplingsscheman bil 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   https://portal-diagnostov.com/license.html https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO Få åtkomst till alla kopplingsscheman bil 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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