Dash panel temperature sensor, High-pressure sender, Climatronic control unit
G56
-
Dash panel temperature sensor
G65
-
High-pressure sender
J255
-
Climatronic control unit
J519
-
Onboard supply control unit
J681
-
Terminal 15 voltage supply relay 2, on relay carrier, on left of dash panel
SC4
-
Fuse 4 on fuse holder C
SA5
-
Fuse 5 in fuse holder A
SC
-
Fuse holder C, Fuse carrier on left of dash panel
SC14
-
Fuse 14 on fuse holder C
SC22
-
Fuse 22 on fuse holder C
T9c
-
9-pin connector
T20c
-
20-pin connector
43
-
Earth point, lower part of right A-pillar
332
-
Earth connection 4, in dash panel wiring harness
371
-
Earth connection 6, in main wiring harness
A38
-
Positive connection 2 (15a) in dash panel wiring harness
A40
-
Positive connection 1 (30), in dash panel wiring harness
A192
-
Positive connection 3 (15a) in dash panel wiring harness
B219
-
Positive connection 4 (30a), in interior wiring harness
*
-
Only models with no start/stop system
*2
-
Only models with start/stop system
León
Current Flow Diagram
No.
121 /
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
Sunlight penetration photosensor, Left vent temperature sender, Right vent temperature sender, Evaporator output temperature sender, Climatronic control unit
G107
-
Sunlight penetration photosensor
G134
-
Sunlight penetration photosensor 2
G150
-
Left vent temperature sender
G151
-
Right vent temperature sender
G263
-
Evaporator output temperature sender
J255
-
Climatronic control unit
J519
-
Onboard supply control unit
T16g
-
16-pin connector
T20c
-
20-pin connector
L7
-
Connection 3, in evaporator housing unit wiring harness
L9
-
Connection 1, in air conditioning system wiring harness
León
Current Flow Diagram
No.
121 /
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
Potentiometer for air recirculation flap control motor, Potentiometer for left temperature flap control motor, Climatronic control unit
G143
-
Potentiometer for air recirculation flap control motor
G220
-
Potentiometer for left temperature flap control motor
G261
-
Left footwell vent temperature sender
G262
-
Right footwell vent temperature sender
J255
-
Climatronic control unit
J519
-
Onboard supply control unit
T16f
-
16-pin connector
T16g
-
16-pin connector
V113
-
Air recirculation flap control motor
V158
-
Left temperature flap control motor
L7
-
Connection 3, in evaporator housing unit wiring harness
L8
-
Connection 4, in evaporator housing unit wiring harness
León
Current Flow Diagram
No.
121 /
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
Climatronic control unit, Defroster flap control motor, Right temperature flap control motor
G135
-
Potentiometer for defroster flap control motor
G221
-
Potentiometer for right temperature flap control motor
J255
-
Climatronic control unit
J519
-
Onboard supply control unit
T16f
-
16-pin connector
T16g
-
16-pin connector
V107
-
Defroster flap control motor
V159
-
Right temperature flap control motor
L7
-
Connection 3, in evaporator housing unit wiring harness
L8
-
Connection 4, in evaporator housing unit wiring harness
León
Current Flow Diagram
No.
121 /
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
Potentiometer for centre flap servomotor, Fresh air blower control unit, Climatronic control unit, Fresh air blower, Centre flap control motor
G112
-
Potentiometer for centre flap servomotor
J126
-
Fresh air blower control unit
J255
-
Climatronic control unit
J519
-
Onboard supply control unit
J533
-
Data bus diagnostic interface, under steering wheel
T6t
-
6-pin connector
T10c
-
10-pin connector
T16f
-
16-pin connector
T16g
-
16-pin connector
T20c
-
20-pin connector
T20k
-
20-pin connector
V2
-
Fresh air blower
V70
-
Centre flap control motor
602
-
Earth point, in front left footwell
B397
-
Connection 1 (convenience CAN bus, high), in main wiring harness
B406
-
Connection 1 (convenience CAN bus, low), in main wiring harness
L7
-
Connection 3, in evaporator housing unit wiring harness
L8
-
Connection 4, in evaporator housing unit wiring harness
León
Current Flow Diagram
No.
121 /
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
Climatronic control unit, Air conditioner compressor regulating valve
J255
-
Climatronic control unit
J519
-
Onboard supply control unit
J774
-
Heated front seats control unit, on driver seat
N280
-
Air conditioner compressor regulating valve
T4t
-
4-pin connector, near starter
T8k
-
8-pin connector
T10f
-
10-pin connector, under driver seat
T20c
-
20-pin connector
77
-
Earth point, lower part of left B-pillar
317
-
Earth connection 7, in engine compartment wiring harness
335
-
Earth connection 5, in dash panel wiring harness
373
-
Earth connection 8, in main wiring harness
672
-
Earth point 2, on front of left longitudinal member
