Seat Leon I (1999-2005) – fuse and relay box

Diagrams of fuse and relay boxes – Seat Leon I

Applies to vehicles manufactured in the years:

1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006.

Instrument panel fuse block

Seat Leon I (1999-2005) - fuse and relay box
Number
Amperes
Description
1 5 Z4 – Heated exterior mirror on driver’s side (models without ohne electric window regulator);
Z5 – Heated exterior mirror on the front passenger side (models without ohne electric window regulator);
Z20 – Left washer jet heater element;
Z21 – Right element of the washer jet heater.
2 5 E3 – Hazard warning lights switch;
J1 – Turn signal relay;M5 – Left front turn signal bulb;
M6 – Rear left turn signal bulb;
M7 – Front right turn signal bulb;
M8 – Rear right turn signal bulb;
J567 – Left discharge light driver;
J568 – gas discharge light controller with headlight range adjustment to the right.
3 5 J5 – Fog light relay;
E20 – Switches and instrument lighting regulator.
4 5 X – number plate lighting
5 7.5 E45 – Cruise control switch;
E221 – Control unit in the steering wheel;
E227 – Cruise control button (CCS) SET button;
G65 – High pressure sensor (air conditioning system);
J131 – Heated driver’s Seat controller;
J132 – Heated front passenger Seat control unit;
J245 – Sliding sunroof adjustment controller (models without central locking);
J255 – Climatronic;
G266 – Oil level and temperature sensor;
J293 – Radiator fan controller, multifunction steering wheel;
J393 – Comfort system (E231 – Outside mirror heating button);
J453 – Multifunction steering wheel controller;
J446 – Parking assist controller;
J503 – Control unit with display for radio and navigation system;
N147 – 2-way valve to coolant shut-off valve (above F269 – temperature flap position switch);
V154 – Fresh / recirculated air flap control motor.
6 5

5

Up to April 2001:
J379 – Central locking and alarm unit;
as of September 2002:
J651 – Shut-off valve relay 1 (engine code BEH).
7 10 K142 – P / N gear position warning lamp;
M16 – Left reversing bulb;
M17 – Right reverse light bulb.
8 5 J412 – Mobile phone operating electronics control unit
9 5 E256 – TCS and ESP button;
G85 – Steering angle sender;J104 – ABS / ABS control unit with EDL / ASR / ESP.
10 15
510
up to October 2001:
Engine management: petrol;
Engine management: diesel fuel;
from November 2001:
R – Radio (S terminal);
J285 – Display in instrument panel insert;
J503 – Control unit with display for radio and navigation;
11 5 J285 – Control unit with display in instrument panel insert;
N110 – Selector lever lock solenoid.
12 7.5 J412 – Mobile phone operating electronics control unit;
G273 – Interior monitoring sensor;
G274 – Interior monitoring transmitter;
T16 – 16-pin connector, (in the middle panel of the dashboard, self-diagnosis connection);
W11 – Rear left reading light (models with an interior monitor);
W12 – Rear right reading light (models with interior monitor).
13 10 F – Brake light switch;
M9 – Left brake light bulb;
J… ..-. Engine Collection;
J104 – ABS / ABS controller with EDL / ASR / ESP;
M9 – Left brake light bulb;
M10 – Right brake bulb;
M21 – Left brake and tail light bulb;
M25 – High-level bulb.
14 10 J393 – Central control unit of the comfort system (models without central locking);
J546 – Tailgate remote control models;
without central locking:
M27 – Left door warning light;
M28 – Right door warning light;
W – Front interior lighting;
W3 – Luggage compartment lighting;
W11 – Rear left reading lamp;
W12- Rear right reading lamp;
W14 – Illuminated mirror (front passenger’s side);
W18 – Left trunk lighting;
W19 – Reading light / driver’s side;
W20 – Illuminated mirror (driver’s side).
15 5 G85 – Steering angle sender;

J217 – Automatic transmission control unit;
J285 – Control unit with display in instrument panel insert.

16 10 J255 – Climatronic;
J293 – Radiator fan controller.
17
18 10 J285 – Control unit with display in instrument panel insert;
L2 – Right double filament bulb;
M32 – Right traffic light bulb.
19 10 L1 – Left double filament bulb;
M30 – Left main headlight bulb.
20 1 E102 – Headlight range control;

J427 – Right gas-discharge headlight starter;
J568 – Control unit for gas-discharge lamps with right beam range adjustment;
L2 – Right two-core bulb;
M31 – Right low beam bulb;
V48 – Left headlight range control motor;
V49 – Right headlight range control motor.

21 15 L1 – Left double filament bulb;
M29 – Left dipped beam bulb;
J426 – Left headlight starter for gas discharge light;
J567 – Control unit for discharge lamps with left headlight range adjustment.
22 5 J285 – Control unit with display in instrument panel insert;
M3 – Right side light bulb.
23 5 J285 – Control unit with display in instrument panel insert;
M1 – Left side light bulb.
24 twenty E22 – Intermittent wiper switch, windshield wiper motor;
J31 – Relay for automatic intermittent washer and wipers;
V – Windshield wiper motor;V59 – Windscreen and rear window washer pump.
25 twenty E9 – Fresh air blower switch;
E35 – Air conditioning system switch;
N24 – Fresh air blower series resistor with overheating fuse;
V2 – Fresh air blower;
J293 – Radiator fan controller;
J255 – Climatronic;
J… – Engine drivers.
26 25 Z1 – Rear window heating
27 15 up to November 2005:
V12 – Rear window wiper motor;
from December 2005:
U1 –  Lighter;
U5 – 12 V socket, left side in the luggage compartment.
28 15 G6 – Fuel pump (pre-charge pump)
29 15
2010
Gasoline (not for engine code BDE)
Engine management:Engine code BDE

Engine management:

Diesel

30 twenty J245 – Sliding sunroof adjustment control unit;
V1 – Sliding sunroof motor.
31 twenty

5

J217 – Automatic transmission controller;
F125 – Multifunction switch;
J542 – Brake servo controller; J492 – Four-wheel drive control unit (4th movement);
32 10
30
Injectors: Gasoline;
Engine management: Diesel.
33 twenty J31 – Relay for automatic intermittent washing and wiping;
V11 – Headlight washer system pump.
34 10 Engine management
35 thirty U10 – Trailer socket;
up to November 2005:
U5-12V socket, left side in trunk.
36 15 J5 – Fog light relay;

L22 – Left fog light bulb;
L23 – Right fog light bulb;
L46 – Rear left fog light bulb;
J285 – Control unit with display in instrument panel insert.

37 15
510
up to October 2001:
J285 – Control unit with display in the inset on the dashboard;
J503 – Control unit with display of the radio and navigation system;
R – Radio, contact S;
from November 2001:
Engine management: petrol;
Engine management: diesel.
38 15 E204 – Tank filler flap remote release switch;
J379 – Central locking and alarm system control unit;
J386 – Driver’s door control unit;
J387 – Front passenger door control unit;
J388 – Rear left door control unit;
J389 – Rear right door control unit;
J398 – Rear remote lid release relay;
V155- Tank filler flap locking motor.
39 15 E3 – Hazard warning lights switch;
J1 – Turn signal relay;J567 – Control unit for discharge lamps with headlight range adjustment on the right side;
J568 – Control unit for discharge lamps with headlight range adjustment on the right side;
M5 – Front left turn signal bulb;
M6 – Rear left turn signal bulb;
M7 – Front right turn signal bulb;
M8 – Rear right turn signal bulb.
40 twenty H1 – Two-tone horn
41 15 U1-  Lighter   (up to November 2005)
42 25 R – Radio;
R12 – Amplifier;
J503 – Control unit with radio and navigation system display;
J415 – Navigation system tuner for TV;
J559 – Traffic information control unit.
43 10 Engine management
44 15 J131 – Heated driver’s Seat control unit;

J132 – Heated front passenger Seat control unit.

Location of the fuses in the fuse holder / battery

Until August 2000

Seat Leon I (1999-2005) - fuse and relay box

From September 2000

Seat Leon I (1999-2005) - fuse and relay box
Number
Amperes [A]
Description
S162 50 Heated pin heating
S163 50 Engine management
S164 40 Radiator fan
S176 110 Interior
S177 110
150
Alternator (90 A)
Alternator (120 A)
S178 thirty ABS (pump)
S179 thirty ABS
S180 thirty Radiator fan

Location of relays and fuses

Seat Leon I (1999-2005) - fuse and relay box
Fuse locations on the relay board
A Seat adjustment fuse
b Fuses for V192 – Vacuum pump for brakes (from May 2002)
C. Window regulator fuse, central locking and heated exterior mirror (models with comfort system and window regulator only)
Relay positions on the relay board
1 J4 – Two-tone horn relay (53)
2 J59 – X contact relief relay (18) J59 – X contact relief relay (100)
3 Empty
4 J17 – Fuel pump relay (409) J52 – Glow plug relay (103)
V / VI J31 – Relay for automatic intermittent washing and wiping, without headlamp washer system (377), -with headlamp washer system (389), -with rain sensor (192)
Relay locations on 13 position secondary relay carrier above relay plate, left hand drive vehicles
1 Empty
2 J398 – Rear cover remote release (79)
J546 – Rear cover remote release control unit (407)
3 Empty
4 J5 – Fog light relay (53)
5 J453 – Multifunction steering wheel control unit (450)
6 J453 – Multifunction steering wheel control unit (450)
7 J508 – Brake light suppression relay (206)
8 J99 – Heated exterior mirror relay (53)
J541 – Coolant shut-off valve relay (53)
9 J17 – Fuel pump relay, four wheel diesel, (53)
10 J17 – Fuel pump relay (Prepump) (167)
11 J226 – Starter lockout and reversing lamp relay (175)
12 J317 – Terminal 30 voltage supply relay (109)
13 J151 – Continuous coolant circulation relay (53)
Fuse locations on 13-position secondary relay carrier, left-hand drive vehicles:
D Empty
E. Empty
F. 15A S30 – Rear window wiper single fuse (from December 2005),
S144 – Alarm system central locking fuse (ATA turn signal)
G. 15A S111 – Fuse for anti-theft system (ATA horn)
1 J453 – Multifunction steering wheel control unit (450)
2 J453 – Multifunction steering wheel control unit (450)
3 J5 – Fog light relay (53)
4 Empty
5 J398 – Rear cover remote release (79)
J546 – Rear cover remote release control unit (407)
6 Empty
7 J151 – Continuous coolant circulation relay (53)
8 J317 – Terminal 30 voltage supply relay (109)
9 J226 – Starter lockout and reversing lamp relay (175)
10 J17 – Fuel pump relay (Prepump) (167)
11 J17 – Fuel pump relay, four wheel diesel, (53)
12 J99 – Heated exterior mirror relay (53)
J541 – Coolant shut-off valve relay (53)
J193 – Cigarette lighter relay (53)
13 J508 – Brake light suppression relay (206)
D 15A S144 – Central anti-theft locking system fuse (ATA direction indicator)
E. 15A S111 – Anti-theft system fuse (ATA horn)
S30 – Rear window wiper single fuse (from December 2005)
F. Empty
G. Empty

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