Convenience system
● Anti-theft alarm system
● Central locking
● Window regulator front and rear
● Anti-dazzle mirror
● Sliding/tilting sunroof
● Electrically adjustable and heated exterior mirrors
from
November 2006
Notes:
For information concerning
t
Position of relays and fuses
t
Multi-pin connections
t
Control units and relays
t
Earth points
→ Fitting locations, see contents!
León
Current Flow Diagram
No.
114 /
2
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Fuses, onboard supply control unit
A
-
Battery
C
-
Alternator
J519
-
Onboard supply control unit
SA1
-
Fuse 1 on fuse holder/battery
SA5
-
Fuse 5 on fuse holder/battery
SB29
-
Fuse 29 on fuse holder
SC12
-
Fuse 12 on fuse holder
SC17
-
Fuse 17 on fuse holder
SC23
-
Fuse 23 on fuse holder
SC26
-
Fuse 26 on fuse holder
SC28
-
Fuse 28 on fuse holder
SC33
-
Fuse 33 on fuse holder
SC34
-
Fuse 34 on fuse holder
T40
-
40-pin connector, in electronics box, in left engine compartment
507
-
Screw connection (30), on fuse holder on battery
A1
-
Positive connection (30a), in dash panel wiring harness
A40
-
Positive connection 1 (30), in dash panel wiring harness
A56
-
Positive connection 2 (30), in dash panel wiring harness
A62
-
Connection (window regulator), in dash panel wiring harness
A198
-
Positive connection 6 (30a), in dash panel wiring harness
*
-
only models with alternator 90A/110A
**
-
only models with 140A alternator
***
-
only models with Autolock function
****
-
only models without Autolock function
León
Current Flow Diagram
No.
114 /
3
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Window regulator switch, driver side, driver side window regulator motor, driver door control unit
E40
-
Front left window regulator switch
E53
-
Rear left window regulator switch, in driver door
E55
-
Rear right window regulator switch, in driver door
E81
-
Front right window regulator switch in driver door
E318
-
Childproof lock button
J386
-
Driver door control unit
J519
-
Onboard supply control unit
L76
-
Button illumination bulb
T20a
-
20-pin connector, driver side A-pillar
T20g
-
20-pin connector, on driver side door control unit
T32
-
32-pin connector, on driver side door control unit
V147
-
Driver side window regulator motor
205
-
Earth connection, in driver door wiring harness
Q38
-
Positive connection 1 (58b), in window regulator wiring harness
*
-
only models without rear window regulator
**
-
only for vehicles with front and rear window regulator
***
-
only for left-handdrive vehicles
León
Current Flow Diagram
No.
114 /
4
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Window regulator switch, driver side, interior locking button, driver door control unit
E40
-
Front left window regulator switch
E81
-
Front right window regulator switch in driver door
E308
-
Driver side interior locking button
J386
-
Driver door control unit
J519
-
Onboard supply control unit
L76
-
Button illumination bulb
T20a
-
20-pin connector, driver side A-pillar
T32
-
32-pin connector, on driver side door control unit
99
-
Earth connection, in console wiring harness
205
-
Earth connection, in driver door wiring harness
*
-
only models without rear window regulator
León
Current Flow Diagram
No.
114 /
5
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
fold-in mirror switch, mirror adjustment switch, exterior mirror heater button, driver door control unit
E43
-
Mirror adjustment switch
E48
-
Mirror adjustment switch
E231
-
Exterior mirror heater button
E263
-
Fold-in mirror switch
J386
-
Driver door control unit
J519
-
Onboard supply control unit
K174
-
Driver side interior locking warning lamp
L78
-
Mirror adjustment switch illumination bulb
T20a
-
20-pin connector, driver side A-pillar
T32
-
32-pin connector, on driver side door control unit
*
-
only for left-handdrive vehicles
**
-
only for right-handdrive vehicles
***
-
models with heated exterior mirror only
León
Current Flow Diagram
No.
114 /
6
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Mirrors adjustment motors (driver side), driver side heated exterior mirror, driver door control unit
J47
-
Heated windscreen relay (395)
J386
-
Driver door control unit
J519
-
Onboard supply control unit
T8d
-
8-pin connector, mirror driver side
T10e
-
10-pin connector, on relay carrier, left dash panel
T10p
-
10-pin connector, on relay carrier, left dash panel
T16b
-
16-pin connector, on driver side door control unit
T20a
-
20-pin connector, driver side A-pillar
T20g
-
20-pin connector, on driver side door control unit
V17
-
Mirror adjustment motor (driver side)
V121
-
Driver side fold-in mirror motor
V149
-
Driver side mirror adjustment motor
Z4
-
Driver side heated exterior mirror
Q19
-
Connection (mirror heating), in window regulator wiring harness
*
-
models with heated exterior mirror only
**
-
models with heated windscreen only (petrol engines)
***
-
models with heated windscreen only (diesel engines)
León
Current Flow Diagram
No.
114 /
7
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Driver door contact switch, driver door central locking motor, driver door control unit
F2
-
Driver door contact switch
F220
-
Driver side central locking lock unit
J386
-
Driver door control unit
J519
-
Onboard supply control unit
T10
-
10-pin connector
T20g
-
20-pin connector, on driver side door control unit
V56
-
Driver door central locking motor
V161
-
Driver door central locking deadlock function motor
León
Current Flow Diagram
No.
114 /
8
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Window regulator switch, front passenger side, front passenger side window regulator motor, front passenger door control unit
E107
-
Window regulator switch, in front passenger door
F3
-
Front passenger door contact switch
F221
-
Front passenger side central locking lock unit
J387
-
Front passenger door control unit
J519
-
Onboard supply control unit
K175
-
Front passenger side interior locking warning lamp
L76
-
Button illumination bulb
T8i
-
8-pin connector
T20b
-
20-pin connector, front passenger side A-pillar
T20h
-
20-pin connector, on front passenger side door control unit
T32a
-
32-pin connector, on front passenger side door control unit
V57
-
Front passenger door central locking deadlock function motor
V148
-
Front passenger side window regulator motor
V162
-
Front passenger door central locking deadlock function motor
206
-
Earth connection, in front passenger door wiring harness
*
-
only for right-handdrive vehicles
**
-
only for left-handdrive vehicles
***
-
only for vehicles with front and rear window regulator
León
Current Flow Diagram
No.
114 /
9
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Mirrors adjustment motors (front passenger side), front passenger side heated exterior mirror, front passenger door control unit
J387
-
Front passenger door control unit
J519
-
Onboard supply control unit
T8c
-
8-pin connector, mirror front passenger side
T16a
-
16-pin connector
T20b
-
20-pin connector, front passenger side A-pillar
T20h
-
20-pin connector, on front passenger side door control unit
V25
-
Mirror adjustment motor (front passenger side)
V122
-
Front passenger side fold-in mirror motor
V150
-
Front passenger side mirror adjustment motor
Z5
-
Front passenger heated exterior mirror
43
-
Earth point, lower part of right A-pillar
*
-
models with heated exterior mirror only
León
Current Flow Diagram
No.
114 /
10
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Central locking and anti-theft alarm system aerial, rear left door control unit, convenience system central control unit
F10
-
Rear left door contact switch
F222
-
Rear left central locking lock unit
J393
-
Convenience system central control unit
J519
-
Onboard supply control unit
R47
-
Central locking and anti-theft alarm system aerial
T20e
-
20-pin connector, left B-pillar
V163
-
Rear left door central locking deadlock function motor
V214
-
Rear left door central locking motor, lock
43
-
Earth point, lower part of right A-pillar
77
-
Earth point, left B-pillar
332
-
Earth connection 4, in dash panel wiring harness
371
-
Earth connection 6, in main wiring harness
373
-
Earth connection 8, in main wiring harness
B465
-
Connection 1 in main wiring harness
*
-
only models with rear electric window regulator
**
-
only models without rear electric window regulator
***
-
only models with Autolock function
****
-
only models without Autolock function
León
Current Flow Diagram
No.
114 /
11
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Rear right central locking lock unit, tank filler flap locking motor, convenience system central control unit
F11
-
Rear right door contact switch
F223
-
Rear right central locking lock unit
J393
-
Convenience system central control unit
J519
-
Onboard supply control unit
T20f
-
20-pin connector, right B-pillar
V155
-
Tank filler flap locking motor
V164
-
Rear right door central locking deadlock function motor
V215
-
Rear right door central locking motor, lock
78
-
Earth point, right B-pillar
369
-
Earth connection 4, in main wiring harness
A126
-
Connection (rear lid contact switch), in dash panel wiring harness
*
-
only models with interior monitor
**
-
only models with rear electric window regulator
***
-
only models without rear electric window regulator
León
Current Flow Diagram
No.
114 /
12
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Rear left central locking lock unit, rear left window regulator switch, rear left window regulator motor, rear left door control unit
E52
-
Rear left window regulator switch, in door
F10
-
Rear left door contact switch
F222
-
Rear left central locking lock unit
J388
-
Rear left door control unit
J519
-
Onboard supply control unit
L76
-
Button illumination bulb
T18b
-
18-pin connector, on door control unit, rear left
T8a
-
8-pin connector
T20e
-
20-pin connector, left B-pillar
V26
-
Rear left window regulator motor
V163
-
Rear left door central locking deadlock function motor
V214
-
Rear left door central locking motor, lock
*
-
only models with rear electric window regulator
León
Current Flow Diagram
No.
114 /
13
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Rear right central locking lock unit, rear right window regulator switch, rear right window regulator motor, rear right door control unit
E54
-
Rear right window regulator switch, in door
F11
-
Rear right door contact switch
F223
-
Rear right central locking lock unit
J389
-
Rear right door control unit
J519
-
Onboard supply control unit
L76
-
Button illumination bulb
T18c
-
18-pin connector, on door control unit, rear right
T8b
-
8-pin connector
T20f
-
20-pin connector, right B-pillar
V27
-
Rear right window regulator motor
V164
-
Rear right door central locking deadlock function motor
V215
-
Rear right door central locking motor, lock
*
-
only models with rear electric window regulator
León
Current Flow Diagram
No.
114 /
14
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Rear lid release motor, rear lid handle release button, rear lid lock unit
E234
-
Rear lid handle release button
F256
-
Rear lid lock unit
J380
-
Rear lid central locking relay (395)
J519
-
Onboard supply control unit
T5b
-
5-pin connector, brown, C-pillar left
T5h
-
5-pin connector, brown, in left rear lid
V139
-
Rear lid release motor
52
-
Earth connection, on left in rear lid
667
-
Earth point, on rear left of roof
*
-
only models without rear electric window regulator
**
-
only models with rear electric window regulator
León
Current Flow Diagram
No.
114 /
15
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Sliding sunroof motor, sunroof button, sliding sunroof adjustment regulator, sliding sunroof adjustment control unit
E139
-
Sliding sunroof adjustment regulator
E325
-
Sunroof button
J245
-
Sliding sunroof adjustment control unit
J285
-
Display control unit in dash panel insert
J519
-
Onboard supply control unit
T6c
-
6-pin connector, on sliding sunroof adjustment control unit
T6d
-
6-pin connector, on sliding sunroof adjustment control unit
T36
-
36-pin connector, on dash panel insert
V1
-
Sliding sunroof motor
León
Current Flow Diagram
No.
114 /
16
ws
=
white
sw
=
black
ro
=
red
rt
=
red
br
=
brown
gn
=
green
bl
=
blue
gr
=
grey
li
=
purple
vi
=
purple
ge
=
yellow
or
=
orange
rs
=
pink
Automatic anti-dazzle interior mirror, onboard supply control unit
J519
-
Onboard supply control unit
SC4
-
Fuse 4 on fuse holder
T8e
-
8-pin connector
Y7
-
Automatic anti-dazzle interior mirror
A13
-
Connection (door contact switch), in dash panel wiring harness
A38
-
Positive connection 2 (15a), in dash panel wiring harness
A87
-
Connection (RL), in dash panel wiring harness
A192
-
Positive connection 3 (15a), in dash panel wiring harness
