Fuse diagrams and relay boxes – Seat Leon I
Applies to vehicles manufactured over the years:
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006.
Instrument panel fuse block
| Number |
Amps |
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 element of the hot-air jet washer; Z21 – Right element of the washing machine jet heater. |
| 2 | 5 | E3 – Emergency light switch; J1 – Turn signal relay;M5 – Front left indicator lamp; M6 – Left rear indicator lamp; M7 – Front right indicator lamp; M8 – Right rear indicator lamp; J567 – Left discharge light control; J568 – Gas discharge light control with right side headlight range adjustment. |
| 3 | 5 | J5 – Fog light relay; E20 – Switches and regulator for instrument lighting. |
| 4 | 5 | X – registration light |
| 5 | 7,5 | E45 – Cruise control switch; E221 – Steering wheel control unit; E227 – Cruise control (CCS) button SET button; G65 – High pressure sensor (air conditioning system); J131 – Controller for heated driver’s seat; J132 – Controller for heated front passenger seat; J245 – Controller for sliding roof adjustment (models without central locking); J255 – Climatronic; G266 – Oil level and temperature sensor; J293 – Radiator fan control, multifunction steering wheel; J393 – Comfort system (E231 – Button for outside mirror heating); J453 – Multi-function steering wheel controller; J446 – Park assist control; J503 – Control unit with display for radio and navigation system; N147 – 2-way valve for coolant shut-off valve (above F269 – temperature flap position switch); V154 – fresh/circulating air flap control motor. |
| 6 | 5
5 |
Until April 2001:
J379 – Central locking and control panel; J651 – Shut-off valve relay 1 (engine code BEH). |
| 7 | 10 | K142 – Shift lever position warning light P/N; M16 – Left shift reversing lamp; M17 – Right reversing lamp. |
| 8 | 5 | J412 – Electronic control unit for cell phones |
| 9 | 5 | E256 – TCS and ESP Button; G85 -Turn angle transmitter;J104 – ABS/ABS control unit with EDL/ASR/ESP. |
| 10 | 15 510 |
Until October 2001:
Engine management: gasoline; R – Radio (S contact); |
| 11 | 5 | J285 – Control unit with display on instrument panel; N110 – Selector lever lock solenoid. |
| 12 | 7,5 | J412 – Electronic control unit for cell phone operation; G273 – Interior monitoring sensor; G274 – Indoor monitoring transmitter; T16 – 16-pin connector, (on center dashboard panel, self-diagnostic connection); W11 – left rear reading light (models with interior monitor); W12 – Right rear reading light (models with interior monitor). |
| 13 | 10 | F – Brake light switch; M9 – Left brake lamp; J…..-.Motor Collection; J104 – ABS/ABS Controller with EDL/ ASR/ ESP; M9 – Left brake lamp; M10 – Right brake lamp; M21 – Left brake and tail light bulb; M25 – High-level lamp. |
| 14 | 10 | J393 – Central comfort system control unit (models without central locking); J546 – Rear door remote control models; without central locking: M27 – Left door warning light; |
| 15 | 5 | G85 – Turning angle transmitter;
J217 – Automatic transmission control unit; |
| 16 | 10 | J255 – Climatronic; J293 – Radiator Fan Controller. |
| 17 | – | – |
| 18 | 10 | J285 – Control unit with display on instrument panel; L2 – Right dual filament lamp; M32 – Right road lamp. |
| 19 | 10 | L1 – Double filament lamp left; M30 – Left main reflector lamp. |
| 20 | 1 | E102 – Light Range Adjuster;
J427 – Starter for right-hand gas discharge headlight; |
| 21 | 15 | L1 – Double filament lamp left; M29 – Left beam immersion lamp; J426 – Left headlight dip lamp for gas discharge light; J567 – Gas discharge light control with left headlight range adjustment. |
| 22 | 5 | J285 – Control unit with display on instrument panel; M3 – Lamp on right side. |
| 23 | 5 | J285 – Control unit with display on instrument panel; M1 – Left side lamp. |
| 24 | 20 | E22 – Intermittent wiper switch, wiper motor; J31 – Intermittent automatic washer and wiper relay; V – Windshield wiper motor;V59 – Windshield wiper and rear washer pump. |
| 25 | 20 | E9 – Fresh air fan switch; E35 – Air conditioning system switch; N24 – Fresh air blower series resistor with overheat fuse; V2 – Fresh air blower; J293 – Radiator fan control; J255 – Climatronic; J… – Engine controls. |
| 26 | 25 | Z1 – Rear Window Heating |
| 27 | 15 | until November 2005:
V12 – Rear wiper motor; U1 – Lighter; U5 socket – 12-volt, left side on boot. |
| 28 | 15 | G6 – Fuel pump (prefeed pump) |
| 29 | 15 2010 |
Gasoline (not for engine code BDE) Engine management:Engine code BDE Engine management: Diesel |
| 30 | 20 | J245 – Sliding roof adjustment control unit; V1 – Sliding roof motor. |
| 31 | 20
5 |
J217 – Automatic transmission controller; F125 – Multifunction switch; J542 – Brake servo controller;J492 – Four-wheel drive control unit (4 movements); |
| 32 | 10 30 |
Injectors: Gasoline; Engine management: Diesel. |
| 33 | 20 | J31 – Relay for intermittent automatic washing and cleaning; V11 – headlight wash system pump. |
| 34 | 10 | Engine Management |
| 35 | 30 | U10 – Trailer socket; Until November 2005: U5-12 volt socket, left side in trunk. |
| 36 | 15 | J5 – Fog light relay;
L22 – Left fog lamp; |
| 37 | 15 510 |
Until October 2001:
J285 – Control unit with dashboard display; Engine management: gasoline; |
| 38 | 15 | E204 – Remote tank fill cap release switch; J379 – Central locking station and alarm system control panel; J386 – Driver’s door control unit; J387 – Front passenger door panel; J388 – Left door rear panel; J389 – Right rear door control unit; J398 – Remote tailgate release relay; V155- Tank filler cap closing motor. |
| 39 | 15 | E3 – Emergency light switch; J1 – Turn signal relay;J567 – Flush light control with right side headlight range adjustment; J568 – Dump light control with right side headlight range adjustment; M5 – Front left indicator lamp; M6 – Left rear indicator lamp; M7 – Front right indicator lamp; M8 – Right rear indicator lamp. |
| 40 | 20 | H1 – Two tone horn |
| 41 | 15 | U1- Lighter (until November 2005) |
| 42 | 25 | R – Radio; R12 – Amplifier; J503 – Control unit with radio display and navigation system; J415 – Navigation system tuner for TV; J559 – Traffic information control unit. |
| 43 | 10 | Engine Management |
| 44 | 15 | J131 – Control unit for heated driver’s seat;
J132 – Control unit for heated front passenger seat. |
Position of fuses in the fuse/battery holder.
Until August 2000
From September 2000 on
| Number |
Amps [A] |
Description |
| S162 | 50 | Heater with heated pin |
| S163 | 50 | Engine Management |
| S164 | 40 | Radiator Fan |
| S176 | 110 | Interior |
| S177 | 110 150 |
Alternator (90 A) Alternator (120 A) |
| S178 | 30 | ABS (pump) |
| S179 | 30 | ABS |
| S180 | 30 | Radiator Fan |
Relay and fuse location
| Location of fuses in the relay board | ||
| A | – | Seat adjustment fuse |
| b | – | Fuses for V192 – Brake vacuum pump (from May 2002 onwards) |
| C | – | Fuse for window regulator, central locking and heated exterior mirror (only models with comfort system and window regulator) |
| Relay positions on the relay board | ||
| 1 | J4 – Two tone horn relay (53) | |
| 2 | J59 – Relay contact X (18) J59 – Relay contact X (100) | |
| 3 | Blank | |
| 4 | J17 – Fuel pump relay (409) J52 – Glow plug relay (103) | |
| V/VI | J31 – Intermittent automatic washing and cleaning relay, without headlight washer system (377), – with headlight washer system (389), – with rain sensor (192) | |
| Relay locations on the 13-position auxiliary relay carrier above the relay board, left-hand drive wheel vehicles | ||
| 1 | Empty | |
| 2 | J398 – Rear cover remote release relay (79) J546 – Rear cover release remote control unit (407) |
|
| 3 | Blank | |
| 4 | J5 – Fog Light Relay (53) | |
| 5 | J453 – Steering wheel multi-function control unit (450) | |
| 6 | J453 – Multi-function steering wheel control unit (450) | |
| 7 | J508 – Brake light damping relay (206) | |
| 8 | J99 – Heated Exterior Rear View Mirror (53) J541 – Coolant shut-off valve relay (53) |
|
| 9 | J17 – Fuel pump relay, four-wheel diesel, (53) | |
| 10 | J17 – fuel pump relay (pre-pump) (167) | |
| 11 | J226 – Start interlock and reversing light relay (175) | |
| 12 | J317 – Terminal 30 supply voltage relay (109) | |
| 13 | J151 – Continuous cooling circuit relay (53) | |
| Location of fuses in 13-position auxiliary relay, left-hand drive vehicles: | ||
| D | – | Empty |
| E | – | Empty |
| F | 15A | S30 – Single fuse for the rear wiper (as of December 2005), S144 – Fuse for central locking alarm system (ATA indicator). |
| G | 15A | S111 – Fuse for anti-theft alarm system (ATA horn) |
| 1 | J453 – Steering wheel multi-function control unit (450) | |
| 2 | J453 – Steering wheel multi-function control unit (450) | |
| 3 | J5 – Fog Light Relay (53) | |
| 4 | Blank | |
| 5 | J398 – Rear cover remote release relay (79) J546 – Rear cover release remote control unit (407) |
|
| 6 | Empty | |
| 7 | J151 – Continuous cooling circuit relay (53) | |
| 8 | J317 – Terminal 30 supply voltage relay (109) | |
| 9 | J226 – Start interlock and reversing light relay (175) | |
| 10 | J17 – fuel pump relay (pre-pump) (167) | |
| 11 | J17 – Fuel pump relay, four-wheel diesel, (53) | |
| 12 | J99 – Heated Exterior Rear View Mirror (53) J541 – Coolant shut-off valve relay (53) J193 – Lighter Relay (53) |
|
| 13 | J508 – Brake light damping relay (206) | |
| D | 15A | S144 – Fuse for central anti-theft locking system (ATA direction indicator) |
| E | 15A | S111 – Fuse for anti-theft system (ATA horn) S30 – Single fuse for rear wiper (as of December 2005). |
| F | – | Empty |
| G | – | Empty |
