SEAT LEON 2013 – 2.0l petrol engine, CCZB . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2013 - Battery - Starter - Alternator

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J519	Onboard supply control unit
SA1	Fuse 1 in fuse holder A, on left in engine compartment (low box)
SA5	Fuse 5 in fuse holder A, on left in engine compartment (low box)
T2ah	2-pin connector
T2c	2-pin connector, near starter (only models with no air conditioning system)
T4t	4-pin connector, near starter (only models with air conditioning system)
T52c	52-pin connector
507	Threaded connection (30), on battery fuse holder
A17	Connection (61), in dash panel wiring harness
A40	Positive connection 1 (30), in dash panel wiring harness
D108	Connection 6 in engine compartment wiring harness
*	Only models with 90 A/ 110 A alternator
*2	Only models with 140 A alternator

Wiring Diagram SEAT LEON 2013 - Ignition/starter switch - Cruise control system switch - Steering column electronics control unit - Ignition key withdrawal lock solenoid

D	Ignition/starter switch
E45	Cruise control system switch
E227	Cruise control system (CCS) SET button
F319	Selector lever locked in position P switch
J519	Onboard supply control unit
J527	Steering column electronics control unit
N376	Ignition key withdrawal lock solenoid
T6ap	6-pin connector
T8r	8-pin connector
T10b	10-pin connector
T16d	16-pin connector
T52c	52-pin connector
332	Earth connection 4, in dash panel wiring harness
371	Earth connection 6, in main wiring harness
382	Earth connection 17, in main wiring harness
507	Threaded connection (30), on battery fuse holder
A2	Positive connection (15), in dash panel wiring harness
*	Only models with dual clutch gearbox 02E
*2	Only left-hand drive models

Wiring Diagram SEAT LEON 2013 - Main relay - Steering column electronics control unit - Fuse holder B

J271	Main relay, on left in engine compartment (low box)
J519	Onboard supply control unit
J527	Steering column electronics control unit
SB	Fuse holder B, on left in engine compartment (low box)
SB1	Fuse 1 on fuse holder B
SB2	Fuse 2 on fuse holder B
SB3	Fuse 3 on fuse holder B
SB4	Fuse 4 on fuse holder B
SB5	Fuse 5 on fuse holder B
T16d	16-pin connector
T40a	40-pin connector
507	Threaded connection (30), on battery fuse holder
B111	Positive connection 1 (30a), in interior wiring harness
B441	Connection (CCS), in main wiring harness

Wiring Diagram SEAT LEON 2013 - Fuse holder B

J519	Onboard supply control unit
SB	Fuse holder B, on left in engine compartment (low box)
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
SB10	Fuse 10 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB15	Fuse 15 on fuse holder B
T14a	14-pin connector, near front left longitudinal member
T40a	40-pin connector
B111	Positive connection 1 (30a), in interior wiring harness
D104	Positive connection 2 (30a), in engine compartment wiring harness
*	According to equipment

Wiring Diagram SEAT LEON 2013 - Fuse holder B

J519	Onboard supply control unit
SB	Fuse holder B, on left in engine compartment (low box)
SB16	Fuse 16 on fuse holder B
SB17	Fuse 17 on fuse holder B
SB18	Fuse 18 on fuse holder B
SB19	Fuse 19 on fuse holder B
SB21	Fuse 21 on fuse holder B
SB22	Fuse 22 on fuse holder B
SB23	Fuse 23 on fuse holder B
SB24	Fuse 24 on fuse holder B
SB25	Fuse 25 on fuse holder B
SB26	Fuse 26 on fuse holder B
SB28	Fuse 28 on fuse holder B
T40a	40-pin connector
B350	Positive connection 1 (87a) in main wiring harness
D202	Connection 6 (87a) in engine compartment wiring harness
E30	Connection (87a), in engine wiring harness
*	Only models with dual clutch gearbox 02E
*2	Only models with manual gearbox

Wiring Diagram SEAT LEON 2013 - Continued coolant circulation relay - Engine control unit - Engine component current supply relay - Fuse holder B

J151	Continued coolant circulation relay, on relay carrier, on left of dash panel
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
J757	Engine component current supply relay, on left in engine compartment (low box)
SB	Fuse holder B, on left in engine compartment (low box)
SB20	Fuse 20 on fuse holder B
SB27	Fuse 27 on fuse holder B
SB29	Fuse 29 on fuse holder B
SB30	Fuse 30 on fuse holder B
T10e	10-pin connector
T40a	40-pin connector
T94a	94-pin connector

Wiring Diagram SEAT LEON 2013 - Fuel gauge sender - Fuel system pressurisation pump - Fuel pump control unit - Engine control unit

G	Fuel gauge sender
G6	Fuel system pressurisation pump
J519	Onboard supply control unit
J538	Fuel pump control unit
J623	Engine control unit, central in plenum chamber
T5a	5-pin connector
T10l	10-pin connector
T52b	52-pin connector
T94a	94-pin connector
369	Earth connection 4, in main wiring harness
A30	Connection (Motronic), in dash panel wiring harness

Wiring Diagram SEAT LEON 2013 - Lambda probe - Lambda probe after catalytic converter - Engine control unit

G39	Lambda probe
G130	Lambda probe after catalytic converter
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T4l	4-pin connector
T6k	6-pin connector
T94a	94-pin connector
Z19	Lambda probe heater
Z29	Lambda probe 1 heater after catalytic converter

Wiring Diagram SEAT LEON 2013 - Oil pressure switch for reduced oil pressure - Air mass meter - Radiator outlet coolant temperature sender - Engine control unit

F378	Oil pressure switch for reduced oil pressure
G70	Air mass meter
G83	Radiator outlet coolant temperature sender
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T5l	5-pin connector
T14a	14-pin connector, near front left longitudinal member
T60a	60-pin connector
T94a	94-pin connector
D182	Connection 3 (87a) in engine compartment wiring harness
D203	Connection (oil pressure switch) in engine compartment wiring harness

Wiring Diagram SEAT LEON 2013 - Charge pressure sender - Hall sender - Fuel pressure sender - Intake manifold flap potentiometer - Engine control unit

G31	Charge pressure sender
G40	Hall sender
G247	Fuel pressure sender
G336	Intake manifold flap potentiometer
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T6q	6-pin connector
T14a	14-pin connector, near front left longitudinal member
T60a	60-pin connector
339	Earth connection (sender earth), in injection system wiring harness
D141	Connection (5V) in engine prewiring harness
D174	Connection 2 (5V) in engine prewiring harness

Wiring Diagram SEAT LEON 2013 - Engine speed sender - Intake air temperature sender - Knock sensor 1 - Coolant temperature sender - Engine control unit

G28	Engine speed sender
G42	Intake air temperature sender
G61	Knock sensor 1
G62	Coolant temperature sender
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T3a	3-pin connector
T60a	60-pin connector
200	Earth connection (screening), in engine compartment wiring harness
220	Earth connection (sender earth), in engine wiring harness

Wiring Diagram SEAT LEON 2013 - Engine control unit - Charge pressure control solenoid valve - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1

J293	Radiator fan control unit
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N75	Charge pressure control solenoid valve
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N249	Turbocharger air recirculation valve
N316	Intake manifold flap valve
N428	Valve for oil pressure control
T4b	4-pin connector
T14a	14-pin connector, near front left longitudinal member
T60a	60-pin connector
T94a	94-pin connector
V7	Radiator fan
D180	Connection (87a), in engine compartment wiring harness
D181	Connection 2 (87a) in engine compartment wiring harness

Wiring Diagram SEAT LEON 2013 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Spark plug connector - Spark plugs

J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
P	Spark plug connector
Q	Spark plugs
T4g	4-pin connector
T4h	4-pin connector
T60a	60-pin connector
281	Earth point 1, engine prewiring harness
306	Earth connection (ignition coils), in engine prewiring harness
D189	Connection (87a) in engine prewiring harness
*	According to equipment

Wiring Diagram SEAT LEON 2013 - Engine control unit - Fuel pressure regulating valve - Ignition coil 3 with output stage - Ignition coil 4 with output stage - Spark plug connector - Spark plugs

J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N276	Fuel pressure regulating valve
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
P	Spark plug connector
Q	Spark plugs
T4j	4-pin connector
T4k	4-pin connector
T14a	14-pin connector, near front left longitudinal member
T60a	60-pin connector
281	Earth point 1, engine prewiring harness
306	Earth connection (ignition coils), in engine prewiring harness
D189	Connection (87a) in engine prewiring harness
*	According to equipment

Wiring Diagram SEAT LEON 2013 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4

J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T8f	8-pin connector
T60a	60-pin connector

Wiring Diagram SEAT LEON 2013 - Throttle valve module - Engine control unit

G186	Throttle valve drive for electric throttle
G187	Throttle valve drive angle sender 1 for electric throttle
G188	Throttle valve drive angle sender 2 for electric throttle
J338	Throttle valve module
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T6x	6-pin connector
T60a	60-pin connector
T94a	94-pin connector
132	Earth connection 3, in engine compartment wiring harness

Wiring Diagram SEAT LEON 2013 - Accelerator position sender - Engine control unit - Continued coolant circulation pump

G79	Accelerator position sender
G185	Accelerator position sender 2
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T2w	2-pin connector
T6h	6-pin connector
T94a	94-pin connector
V51	Continued coolant circulation pump
132	Earth connection 3, in engine compartment wiring harness

Wiring Diagram SEAT LEON 2013 - Brake pedal position sender - Clutch position sender - Engine control unit

G100	Brake pedal position sender
G476	Clutch position sender
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T4y	4-pin connector
T5d	5-pin connector
T52c	52-pin connector
T94a	94-pin connector
383	Earth connection 18, in main wiring harness
B131	Connection (54), in interior wiring harness
*	Only models with manual gearbox
*2	Only models with dual clutch gearbox 02E
*3	Only models with ABS
*4	Only models with ABS, EDL, TCS and ESP

Wiring Diagram SEAT LEON 2013 - Engine control unit

J104	ABS control unit
J519	Onboard supply control unit
J623	Engine control unit, central in plenum chamber
T26a	26-pin connector
T47a	47-pin connector
T94a	94-pin connector
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
*	Only models with ABS
*2	Only left-hand drive models
*3	Only models with ABS, EDL, TCS and ESP

Wiring Diagram SEAT LEON 2013 - Terminal 15 voltage supply relay 2 - Terminal 50 voltage supply relay - Fuse holder C

J519	Onboard supply control unit
J681	Terminal 15 voltage supply relay 2, on relay carrier, on left of dash panel
J682	Terminal 50 voltage supply relay, on relay carrier, on left of dash panel
SC	Fuse holder C, Fuse carrier on left of dash panel
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
SC4	Fuse 4 on fuse holder C
SC27	Fuse 27 on fuse holder C
T9a	9-pin connector
T9c	9-pin connector
T52b	52-pin connector
A20	Positive connection (15a), in dash panel wiring harness
A38	Positive connection 2 (15a) in dash panel wiring harness
A41	Positive connection (50), in dash panel wiring harness
A192	Positive connection 3 (15a) in dash panel wiring harness
B156	Positive connection (30a), in interior wiring harness
B278	Positive connection 2 (15a) in main wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
*	Only models with extended servicing intervals (ESI)

Wiring Diagram SEAT LEON 2013 - Control unit in dash panel insert - Data bus diagnostic interface

J285	Control unit in dash panel insert
J533	Data bus diagnostic interface, under steering wheel
T20k	20-pin connector
T32b	32-pin connector
238	Earth connection 1, in interior wiring harness
367	Earth connection 2, in main wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness

Wiring Diagram SEAT LEON 2013 - Fuel gauge - Coolant temperature gauge - Rev. counter - Speedometer - Coolant shortage indicator sender - Control unit in dash panel insert - Exhaust emissions warning lamp

G1	Fuel gauge
G3	Coolant temperature gauge
G5	Rev. counter
G21	Speedometer
G32	Coolant shortage indicator sender
J285	Control unit in dash panel insert
K2	Alternator warning lamp
K28	Coolant temperature and coolant shortage warning lamp
K31	Cruise control system warning lamp
K83	Exhaust emissions warning lamp
K105	Reserve fuel warning lamp
K132	Electronic power control fault lamp
T32b	32-pin connector
269	Earth connection (sender earth) 1, in dash panel wiring harness

Wiring Diagram SEAT LEON 2013 - Oil pressure switch - Oil level and oil temperature sender - Buzzer and gong - Control unit in dash panel insert - Oil pressure warning lamp

F1	Oil pressure switch
G266	Oil level and oil temperature sender
H3	Buzzer and gong
J285	Control unit in dash panel insert
K3	Oil pressure warning lamp
K38	Oil level warning lamp
T6j	6-pin connector
T14a	14-pin connector, near front left longitudinal member
T32b	32-pin connector
317	Earth connection 7, in engine compartment wiring harness
335	Earth connection 5, in dash panel wiring harness
*	Only models with extended servicing intervals (ESI)

SEAT LEON 2013 Control units overview

Control units overview

q	Connector assigment

q	10-pin connector assigment

q	From June 2011:

q

Location

q	12-pin connector assigment

q	Connector assigment

q	Connector assigment

q	Connector assigment

q	Connector assigment

q	Connector assigment

q	Connector assigment

q	Connector assigment

q	Connector assigment

q	From June 2010:

q

Location

q	Connector assigment

q	Connector assigment

q	Description of signal

q	Connector assigment

q	Connector assigment

Airbag control unit -J234- - Location: Behind centre console -arrow- Back to overview

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Connector assigment:

A -	Airbag control unit -J234-

Pin connector:

B -	100-pin connector -T100a-

Back to overview

SEAT LEON 2013 Voltage stabiliser J532 Voltage stabiliser -J532- Location: behind the glove compartment, front passenger side -arrow-   Note from November 2009 Back to overview

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10-pin connector assigment:

A -	Voltage stabiliser -J532-

Pin connector:

B -	10-pin connector -T10t-

Back to overview

SEAT LEON 2013 Voltage stabiliser J532 Voltage stabiliser -J532- Location: behind the glove compartment, front passenger side -arrow-   Note from June 2011 Back to overview

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12-pin connector assigment:

A -	Voltage stabiliser -J532-

Pin connector:

B -	12-pin connector -T12i-

Back to overview

SEAT LEON 2013 Front passenger door control unit J387 Front passenger door control unit -J387- Location: in front passenger door -arrow- Back to overview

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Connector assigment:

A -	Front passenger door control unit -J387-

Pin connectors:

B -	20-pin connector -T20h-

C -	16-pin connector -T16a-

D -	32-pin connector -T32a-

Back to overview

SEAT LEON 2013 Cornering light and headlight range control unit J745 Cornering light and headlight range control unit -J745- Location: In dash panel, right -arrow- Back to overview

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Connector assigment:

A -	Cornering light and headlight range control unit -J745-

Pin connector:

B -	26-pin connector -T26b-

Back to overview

SEAT LEON 2013 Rear right door control unit J389 Rear right door control unit -J389- Location: on rear right door -arrow- Back to overview

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Connector assigment:

A -	Rear right door control unit -J389-

Pin connector:

B -	18-pin connector -T18c-

Back to overview

SEAT LEON 2013 Fuel pump control unit -J538- Location: Under rear seat, right, on fuel delivery unit -arrow- Back to overview

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Connector assigment:

A -	Fuel pump control unit -J538-

q	Engines BVY, BVZ, BWA, BWJ, CAXC, CCZB, CDAA, CBZB, CDLA and CDLD

Pin connector:

B -	10-pin connector -T10l-

Back to overview

SEAT LEON 2013 Rear left door control unit -J388- Location: on rear left door -arrow- Back to overview

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Connector assigment:

A -	Rear left door control unit -J388-

Pin connector:

B -	18-pin connector -T18b-

Back to overview

SEAT LEON 2013 Sliding sunroof adjustment control unit -J245- Location: Behind front interior light -arrow- Back to overview

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Connector assigment:

A -	Sliding sunroof adjustment control unit -J245-

Pin connectors:

B -	6-pin connector -T6c-

C -	6-pin connector -T6d-

Back to overview

SEAT LEON 2013 Driver door control unit -J386- Location: In driver door -arrow- Back to overview

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Connector assigment:

A -	Driver door control unit -J386-

Pin connectors:

B -	20-pin connector -T20g-

C -	16-pin connector -T16b-

D -	32-pin connector -T32c-

Back to overview

SEAT LEON 2013 Steering column electronics control unit -J527- Location: On steering column -arrow-   Note from March 2009 Back to overview

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Connector assigment:

A -	Steering column electronics control unit -J527-

Pin connectors:

B -	4-pin connector, Tiptronic switch

C -	10-pin connector, gear stick illumination and CCS

D -	12-pin connector, ignition/starter switch and ignition key withdrawal lock

E -	8-pin connector, windscreen wiper switch and multifunction switch

F -	10-pin connector, steering angle sender

Only left-hand drive models

F -

Vacant

from May 2009

G -	10-pin connector, airbag coil connector, operating unit and horn in steering wheel

H -	4-pin connector -T4f-

J -	20-pin connector -T20d-

Back to overview

Location: On steering column -arrow-   Note from June 2010

Back to overview

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Connector assigment:

A -	Steering column electronics control unit -J527-

Pin connectors:

B -	6-pin connector, windscreen wiper switch and multifunction switch

C -	8-pin connector, ignition/starter switch and ignition key withdrawal lock

D -	16-pin connector -T16d-

E -	9-pin connector, cruise control system

F -	4-pin connector -T4f-

G -	8-pin connector, gear stick illumination

H -	12-pin connector, operating unit in steering wheel and driver airbag -T12f-

Back to overview

SEAT LEON 2013 Onboard supply control unit -J519- Location: Left under dash panel, on centre relay carrier -arrow- Back to overview

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Connector assigment:

D -	Onboard supply control unit -J519-

Pin connectors:

A -	52-pin connector, black -T52a-

B -	52-pin connector, white -T52b-

C -	52-pin connector, brown -T52c-

Back to overview

Description of signal onboard power supply control unit -J519-

Connector	Pin	Terminal	Equipment H	Equipment M	Equipment B
A	1	Supply input (30A), left headlight bulbs	x	x	x
A	2
A	3	Right side repeater turn signal bulb signal output	x	x	x
A	4	Left side repeater turn signal bulb signal output	x	x	x
A	5	Left main beam bulb signal output	x	x	x
A	6	Right day driving light bulb signal output	x	x	x
A	7
A	8
A	9	Signal output for rear right turn signal bulb	x	x	x
A	10	Signal output for front left turn signal bulb	x	x	x
A	11	Left dipped beam bulb signal output	x	x	x
A	12	Rear lid remote release input signal	x	x	x
A	13	Rear lid handle release button input signal	x	x	x
A	14	Bonnet contact switch input signal	x	x	x
A	15
A	16	Reversing light switch signal input	x	x	x
A	17	Side light, rear fog light switch signal input	x	x	x
A	18	Light switch position "0" signal input	x	x	x
A	19	Input signal light switch, side light	x	x	x
A	20	Side light, automatic lights switch signal input	x	x	x
A	21	Side light, fog light switch signal input	x	x	-
A	22	Input signal light switch, dipped beam	x	x	x
A	23	Input for earth - reference voltage (31)	x	x	x
A	24	Input for reference voltage (30)	x	x	x
A	25	Left fog light bulb signal output	x	x	-
A	26	Right brake light and side light bulb signal output	x	x	x
A	27	Left side light bulb in tail light signal output	x	x	x
A	28	Left reversing light bulb signal output (according to model)	x	x	x
		Left day driving light bulb signal output (according to model)
A	29	Rear lid remote release input signal	x	x	x
A	30	Rear right door contact switch input signal	x	x	x
A	31
A	32
A	33
A	34
A	35	Heated rear window button input signal	x	x	x
A	36	Interior monitoring deactivation input signal	x	x	x
A	37
A	38	Left central locking lock unit input signal (Safe)	x	x	x
A	39
A	40	Right central locking lock unit input signal (Safe)	x	x	x
A	41	Rear left door contact switch input signal	x	x	x
A	42	Input for earth - central locking (31)	x	x	x
A	43	Washer pump motor and rear window wiper motor signal output	x	x	x
A	44	Front right side light bulb signal output	x	x	x
A	45	High-level brake light bulb signal output	x	x	x
A	46	Tank filler flap locking motor signal output (+)	x	x	x
A	47
A	48	Central locking motor signal output in rear left door (-)	x	x	x
A	49	Central locking motor signal output in rear right door (+)	x	x	x
A	50
A	51
A	52
B	1	Supply input (30), central locking	x	x	x
B	2	Washer pump motor and rear window wiper motor signal output	x	x	x
B	3
B	4
B	5	Tank filler flap locking motor signal output (-)	x	x	x
B	6
B	7	Central locking motor signal output in rear left door (+)	x	x	x
B	8	Central locking motor signal output in rear right door (-)	x	x	x
B	9
B	10
B	11	Rear lid release motor signal output (+)	x	x	x
B	12	Relay 15 signal output	x	x	x
B	13
B	14	Heated rear window warning lamp signal output	x	x	x
B	15	Illumination regulators - switches and instruments signal output (58d)	x	x	x
B	16	Sliding sunroof adjustment control unit signal output	x	x	x
B	17	Central locking deadlock function warning lamp -SAFE- signal output	x	x	x
B	18	Convenience locking signal output	x	x	x
B	19
B	20
B	21	Heated front seats control unit signal output	x	x	x
B	22	Heated rear window relay signal output	x	x	x
B	23
B	24	Hazard warning light system warning lamp signal output	x	x	x
B	25
B	26	Central locking motor signal output (Safe) in rear left door (+)	x	x	x
B	27	Central locking motor signal output (Safe) in rear right door (+)	x	x	x
B	28	Relay X signal output	x	x	x
B	29	Relay 50 signal output	x	x	x
B	30	Switches and instruments illumination regulator signal earth input	x	x	x
B	31
B	32
B	33	LIN bus 1 (rain and light detector sensor)	x	x	x
B	34
B	35
B	36	LIN bus 2 (alarm)	x	x	x
B	37	Signal output for interior monitoring off warning lamp	x	x	x
B	38	Fuel pump control unit signal output	x	x	x
B	39
B	40	Headlight washer system relay signal output	x	x	x
B	41	Horn signal output	x	x	x
B	42	Supply input (30) ignition	x	x	x
B	43	Interior light (30G) supply output signal	x	x	x
B	44
B	45
B	46
B	47
B	48
B	49
B	50
B	51	Light switch input signal (58d)	x	x	x
B	52	Input for earth (31), left lights	x	x	x
C	1	Supply input (30a) alarm (models with alarm system only)	x	x	x
C	2
C	3	Right side light in tail light signal output	x	x	x
C	4	Left brake light and side light bulb signal output	x	x	x
C	5	Input for earth (31), right lights	x	x	x
C	6
C	7	Hazard warning light system switch input signal	x	x	x
C	8
C	9
C	10	Interior light signal output	x	x	x
C	11
C	12
C	13	Ignition/starter switch input signal (S)	x	x	x
C	14	Ignition/starter switch input signal (50) (without start/stop system)	x	x	x
		Ignition/starter switch input signal (15) (with start/stop system)
C	15	CAN-high, convenience	x	x	x
C	16	CAN-low, convenience	x	x	x
C	17	Brake pedal position sender signal input	x	x	x
C	18
C	19
C	20
C	21
C	22
C	23
C	24
C	25	Right fog light bulb signal output	x	x	-
C	26	Front left side light bulb signal output	x	x	x
C	27	Number plate light signal output	x	x	x
C	28	Right reversing light bulb signal output	x	x	x
C	29
C	30	P/N input signal (models with automatic gearbox)	x	x	x
		Input for earth (31) (models with manual gearbox)
C	31	Ignition/starter switch input signal (15)	x	x	x
C	32	Signal L alternator	x	x	x
C	33
C	34	Signal input (50) diagnosis (only models with stop/start system)	x	x	x
C	35	Illumination regulators - switches and instruments input signal (58d)	x	x	x
C	36
C	37
C	38
C	39
C	40	Central locking aerial input (GND), up to October 2009	x	x	x
C	41	Central locking aerial signal input, up to October 2009	x	x	x
C	42	Supply input (30), right headlight	x	x	x
C	43
C	44
C	45
C	46	Right main beam bulb signal output	x	x	x
C	47	Fog light bulb signal output (according to model)	x	x	x
C	47	Left day driving light bulb signal output (according to model)	x	x	x
C	48	Left Xenon screen motor signal output	x
C	49	Right Xenon screen motor signal output	x
C	50	Signal output for front right turn signal bulb	x	x	x
C	51	Signal output for rear left turn signal bulb	x	x	x
C	52	Right dipped beam bulb signal output	x	x	x

Back to overview

SEAT LEON 2013 Control unit in dash panel insert -J285- Location: in dash panel -arrow- Back to overview

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Connector assigment:

A -	Control unit in dash panel insert -J285-

Pin connector:

B -	32-pin connector -T32b-

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SEAT LEON 2013 Data bus diagnostic interface -J533- Location: In driver's footwell, near centre console -arrow-   Note Only left-hand drive models In​ driver's​ footwell​ near onboard supply control unit -J519- , behind relay carrier   Note Only right-hand drive models Back to overview

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Connector assigment:

A -	Data bus diagnostic interface -J533-

Pin connector:

B -	20-pin connector -T20k-

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SEAT LEON 2013 Overview of fuses

Overview of fuses

q	Position of fuses, from March 2009:

q	Position of fuses, from November 2010:

q	Position of fuses, from March 2009:

q	Position of fuses, from May 2009:

q	Position of fuses, from June 2010:

q	Position of fuses, from June 2011:

q	Position of fuses, from November 2011:

q	Position of fuses, from March 2009:

q	Position of fuses, from May 2009:

q	Position of fuses, from June 2010:

q	Position of fuses, from June 2011:

q	Position of fuses, from November 2011:

SEAT LEON 2013 Fuses (SA) on electronics box low, in left engine compartment

Fuses (SA) on electronics box low, in left engine compartment

Back to overview

Fuse locations in electronics box low, from March 2009

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	B	Fuse 1 on fuse holder A -SA1-	150 A	-	Alternator -C- 90 A / 110 A	30a
			200 A	-	Alternator -C- 140 A
2	C	Fuse 2 on fuse holder A -SA2-	80 A	-	Electromechanical power steering motor -V187-	30a
3	E	Fuse 3 on fuse holder A -SA3-	50 A	-	Radiator fan thermal switch -F18-	30a
					Radiator fan control unit -J293-
					Radiator fan 2 -V177-
					Radiator fan -V7-
4	H	Fuse 4 on fuse holder A -SA4-	80 A	-	High heat output relay -J360-	30a
5	D	Fuse 5 on fuse holder A -SA5-	80 A	-	Fuse on fuse holder, left dash panel (SC12 - SC17, SC22 - SC27, SC43, SC44, SC45)	30a
6	F	Fuse 6 on fuse holder A -SA6-	40 A	-	Low heat output relay -J359-	30a
			30 A		Gas mode control unit -J659- (CHGA)
7	G		-	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
A	-	Screw connection (30), on fuse holder on battery -507-	-	-	Battery -A- (+)	30

Back to overview

Fuse locations in electronics box low, from November 2010

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	B	Fuse 1 on fuse holder A -SA1-	150 A	-	Alternator -C- 90 A / 110 A	30a
			200 A	-	Alternator -C- 140 A
2	C	Fuse 2 on fuse holder A -SA2-	80 A	-	Electromechanical power steering motor -V187-	30a
3	E	Fuse 3 on fuse holder A -SA3-	50 A	-	Radiator fan thermal switch -F18-	30a
					Radiator fan control unit -J293-
					Radiator fan 2 -V177-
					Radiator fan -V7-
4	H	Fuse 4 on fuse holder A -SA4-	80 A	-	High heat output relay -J360-	30a
5	D	Fuse 5 on fuse holder A -SA5-	80 A	-	Fuse on fuse holder, left dash panel (SC12 - SC17, SC22 - SC27, SC43, SC44, SC45)	30a
6	F	Fuse 6 on fuse holder A -SA6-	40 A	-	Low heat output relay -J359-	30a
7	G		-	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
A	-	Screw connection (30), on fuse holder on battery -507-	-	-	Battery -A- (+)	30

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SEAT LEON 2013 Fuses (SB) on electronics box low, on left of engine compartment

Fuses (SB) on electronics box low, on left of engine compartment

-	Fuse colours

50 A - red

40 A - orange

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

Back to overview

Position of fuses, from March 2009

No.	T40a	Current Flow Diagram designation	Nominal value		Function/component	Terminal
F1	32	Fuse 1 on fuse holder B -SB1-	30 A	-	Front passenger side wiper motor control unit -J584-	30a
F2	39	Fuse 2 on fuse holder B -SB2-	30 A	-	Mechatronic unit for dual clutch gearbox -J743- (CDAA)	30a
F3	38	Fuse 3 on fuse holder B -SB3-	5 A	-	Onboard supply control unit -J519- (via A/24), reference voltage	30a
F4	27	Fuse 4 on fuse holder B -SB4-	20 A	-	ABS control unit -J104-	30a
F5	40	Fuse 5 on fuse holder B -SB5-	15 A	-	Mechatronic unit for dual clutch gearbox -J743- DSG (AZV, BKD, BLS, BMM, BWA and CDAA)	30a
F6	25	Fuse 6 on fuse holder B -SB6-	5 A	-	Control unit in dash panel insert -J285-	30a
					Steering column electronics control unit -J527-
F7	33	Fuse 7 on fuse holder B -SB7-	40 A	-	Terminal 15 voltage supply relay 2 -J681-	30a
F8	34	Fuse 8 on fuse holder B -SB8-	15 A	-	Control unit with display for radio and navigation system -J503-	30a
					Radio -R-
F9	30	Fuse 9 on fuse holder B -SB9-	5 A	-	Telephone transmitter and receiver unit -R36-	30a
F10	28	Fuse 10 on fuse holder B -SB10-	5 A	-	Main relay -J271- (BVY, BVZ and CAXC)	30a
					Terminal 30 voltage supply relay -J317- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)
					Engine control unit -J623- (BVY, BVZ, CAXC and CEGA)
			10 A	-	Main relay -J271- (BWA, BWJ and CDAA)
					Terminal 30 voltage supply relay -J317- (BXW)
					Engine control unit -J623- (BWA, BWJ, BXW and CDAA)
F11	20	Fuse 11 on fuse holder B -SB11-	-	-	vacant
F12	24	Fuse 12 on fuse holder B -SB12-	5 A	-	Data bus diagnostic interface -J533-	30a
F13	22	Fuse 13 on fuse holder B -SB13-	15 A	-	Engine control unit -J623- (BSE, BSF, BVY, BVZ, BWA, BWJ, BXW, CAXC, CCSA and CDAA)	87a
			30 A	-	Engine control unit -J623- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)
F14	19	Fuse 14 on fuse holder B -SB14-	20 A	-	Ignition coil 1 with output stage -N70- (BVY, BVZ, BWA, BWJ, BXW, CAXC and CDAA)	87a
					Ignition coil 2 with output stage -N127- (BVY, BVZ, BWA, BWJ, BXW, CAXC and CDAA)
					Ignition transformer -N152- (BSE, BSF and CCSA)
					Fuel pressure regulating valve -N276- (CEGA)
					Fuel metering valve -N290- (CEGA)
					Ignition coil 3 with output stage -N291- (BVY, BVZ, BWA, BWJ, BXW, CAXC and CDAA)
					Ignition coil 4 with output stage -N292- (BVY, BVZ, BWA, BWJ, BXW, CAXC and CDAA)
F15	26	Fuse 15 on fuse holder B -SB15-	5 A	-	Fuel pump relay -J17- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)	87a
					Electric fuel pump 2 relay -J49- (CEGA)
					Automatic glow period control unit -J179- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)
					Low heat output relay -J359-
					High heat output relay -J360-
			10 A	-	Injector, cylinder 1 -N30- (BXW)
					Injector, cylinder 2 -N31- (BXW)
					Injector, cylinder 3 -N32- (BXW)
					Injector, cylinder 4 -N33- (BXW)
					Circulation pump relay -J160- (BWA and BWJ)
					Lambda probe heater -Z19- (CAXC)
					Lambda probe 1 heater after catalytic converter -Z29- (BVY, BVZ and CAXC)
					Lambda probe 2 heater after catalytic converter -Z30- (BVY)
					Lambda probe 3 heater after catalytic converter -Z64- (BVY)
F16	23	Fuse 16 on fuse holder B -SB16-	30 A	-	Onboard supply control unit -J519- (via C/42), right headlight bulb supply	30a
F17	18	Fuse 17 on fuse holder B -SB17-	15 A	-	Dual tone horn relay -J4-	30a
F18	17	Fuse 18 on fuse holder B -SB18-	-	-	vacant
F19	12	Fuse 19 on fuse holder B -SB19-	30 A	-	Wiper motor control unit -J400- , driver side	30a
F20	13	Fuse 20 on fuse holder B -SB20-	10 A	-	Coolant circulation pump -V50- (CAXC)	87a
			20 A	-	Fuel pressure regulating valve -N276- (CDAA)
F21	16	Fuse 21 on fuse holder B -SB21-	10 A	-	Lambda probe heater -Z19- (BLS, BMM, BMN and CEGA)	87a
			15 A	-	Lambda probe heater -Z19- (BSE, BSF, BVY, BVZ, BXW, CCSA and CDAA)
					Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BXW, CCSA and CDAA)
F22	14	Fuse 22 on fuse holder B -SB22-	5 A	-	Clutch position sender -G476-	87a
F23	21	Fuse 23 on fuse holder B -SB23-	5 A	-	Continued coolant circulation relay -J151- (CDAA)	87a
					Circulation pump relay -J160- (BWA and BWJ)
					Secondary air pump relay -J299- (BSE and CCSA)
					Motronic current supply relay -2- -J670- (BWA, BWJ)
			10 A	-	Exhaust gas recirculation valve -N18- (AZV, BKD, BXE and BXF)
					Charge pressure control solenoid valve -N75- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)
					Intake manifold flap valve -N316- (BMN)
					Exhaust gas recirculation cooler change-over valve -N345- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)
			15 A	-	Fuel pressure regulating valve -N276- (BVY, BVZ and CAXC)
F24	11	Fuse 24 on fuse holder B -SB24-	10 A	-	Radiator fan control unit C1781 -J293-	87a
					Additional coolant pump relay -J496- (CAXC)
					Engine component current supply relay -J757- (CDAA)
					Charge pressure control solenoid valve -N75- (CAXC and CDAA)
					Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BVY, BVZ, BXW, CAXC, CCSA and CDAA)
					Variable intake manifold change-over valve -N156- (BSE, BSF, BVY, BVZ and CCSA)
					Inlet camshaft control valve 1 -N205- (BVY, BVZ, BWA, BWJ, CAXC and CDAA)
					Turbocharger air recirculation valve -N249- (CAXC and CDAA)
					Intake manifold flap valve -N316- (CDAA)
					Oil pressure warning lamp -N428- (CDAA)
					Radiator fan -V7-
					Intake manifold flap motor -V157- (AZV, BKD, BXE and BXF)
					Coolant circulation pump 2 -V178- (CEGA)
F25	31	Fuse 25 on fuse holder B -SB25-	40 A	-	ABS control unit -J104-	30a
F26	35	Fuse 26 on fuse holder B -SB26-	30 A	-	Onboard supply control unit -J519- (via A/1), left headlight bulb supply	30a
F27	1	Fuse 27 on fuse holder B -SB27-	40 A	-	Secondary air pump motor -V101- (BSE and CCSA)	87a
			50 A	-	Automatic glow period control unit -J179- (AZV, BKD, BLS, BMM, BMN, BXE, BXF and CEGA)	30a
F28	4	Fuse 28 on fuse holder B -SB28-	-	-	vacant
F29	2	Fuse 29 on fuse holder B -SB29-	50 A	-	Sliding sunroof adjustment control unit -J245-	30a
					Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking
					Heated front seats control unit -J774-
					Headlight washer system relay -J39-
F30	3	Fuse 30 on fuse holder B -SB30-	50 A	-	X-contact relief relay -J59-	30a

Back to overview

Position of fuses, from May 2009

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
F1	32	Fuse 1 on fuse holder B -SB1-	30 A	-	Front passenger side wiper motor control unit -J584-	30a
F2	39	Fuse 2 on fuse holder B -SB2-	30 A	-	Mechatronic unit for dual clutch gearbox -J743- (BSF, CAYC and CDAA)	30a
F3	38	Fuse 3 on fuse holder B -SB3-	5 A	-	Battery monitor control unit -J367- (CAYC with stop/start system)	30a
					Onboard supply control unit -J519- (via A/24), reference voltage
F4	27	Fuse 4 on fuse holder B -SB4-	20 A	-	ABS control unit -J104-	30a
F5	40	Fuse 5 on fuse holder B -SB5-	15 A	-	Mechatronic unit for dual clutch gearbox -J743- (AZV, BKD, BLS, BMM, BSF, CAYC, CCZB, CDAA and CEGA)	30a
F6	25	Fuse 6 on fuse holder B -SB6-	5 A	-	Control unit in dash panel insert -J285- (without stop/start system)	30a
					Steering column electronics control unit -J527-
F7	33	Fuse 7 on fuse holder B -SB7-	40 A	-	Terminal 15 voltage supply relay 2 -J681-	30a
F8	34	Fuse 8 on fuse holder B -SB8-	15 A	-	Control unit with display for radio and navigation system -J503-	30a
					Voltage stabiliser -J532- (CAYC with stop/start system)
					Radio -R-
F9	30	Fuse 9 on fuse holder B -SB9-	5 A	-	Telephone transmitter and receiver unit -R36- (without stop/start system)	30a
F10	28	Fuse 10 on fuse holder B -SB10-	5 A	-	Main relay -J271- (CAXC)	30a
					Terminal 30 voltage supply relay -J317- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)
					Engine control unit -J623- (CAXC, CAYC and CEGA)
			10 A	-	Main relay -J271- (CCZB, CDAA, CDLA and CDLD)
					Terminal 30 voltage supply relay -J317- (BXW)
					Engine control unit -J623- (BXW, CCZB, CDAA, CDLA and CDLD)
F11	20	Fuse 11 on fuse holder B -SB11-	-	-	vacant
F12	24	Fuse 12 on fuse holder B -SB12-	5 A	-	Data bus diagnostic interface -J533-	30a
F13	22	Fuse 13 on fuse holder B -SB13-	15 A	-	Engine control unit -J623- (BSE, BSF, BXW, CAXC, CCSA, CCZB, CDAA and CHGA)	87a
			30 A	-	Engine control unit -J623- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)
F14	19	Fuse 14 on fuse holder B -SB14-	20 A	-	Ignition coil 1 with output stage -N70- (BXW, CAXC, CCZB, CDAA, CDLA and CDLD)	87a
					Ignition coil 2 with output stage -N127- (BXW, CAXC, CCZB, CDAA, CDLA and CDLD)
					Ignition transformer -N152- (BSE, BSF, CCSA and CHGA)
					Fuel pressure regulating valve -N276- (CAYC and CEGA)
					Fuel metering valve -N290- (CAYC and CEGA)
					Ignition coil 3 with output stage -N291- (BXW, CAXC, CCZB, CDAA, CDLA and CDLD)
					Ignition coil 4 with output stage -N292- (BXW, CAXC, CCZB, CDAA, CDLA and CDLD)
F15	26	Fuse 15 on fuse holder B -SB15-	5 A	-	Fuel pump relay -J17- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)	87a
					Electric fuel pump 2 relay -J49- (CEGA)
					Automatic glow period control unit -J179- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)
					Low heat output relay -J359-
					High heat output relay -J360-
			10 A	-	Injector, cylinder 1 -N30- (BXW)
					Injector, cylinder 2 -N31- (BXW)
					Injector, cylinder 3 -N32- (BXW)
					Injector, cylinder 4 -N33- (BXW)
					Continued coolant circulation relay -J151- (CDLA and CDLD)
					Lambda probe heater -Z19- (CAXC)
					Lambda probe 1 heater after catalytic converter -Z29- (CAXC)
F16	23	Fuse 16 on fuse holder B -SB16-	30 A	-	Onboard supply control unit -J519- (via C/42), right headlight bulb supply	30a
F17	18	Fuse 17 on fuse holder B -SB17-	15 A	-	Dual tone horn relay -J4-	30a
F18	17	Fuse 18 on fuse holder B -SB18-	-	-	vacant
F19	12	Fuse 19 on fuse holder B -SB19-	30 A	-	Wiper motor control unit -J400- , driver side	30a
F20	13	Fuse 20 on fuse holder B -SB20-	10 A	-	Coolant circulation pump -V50- (CAXC)	87a
			20 A	-	Fuel pressure regulating valve -N276- (CCZB and CDAA)
F21	16	Fuse 21 on fuse holder B -SB21-	10 A	-	Lambda probe heater -Z19- (BLS, BMM, BMN and CEGA)	87a
			15 A	-	Lambda probe heater -Z19- (BSE, BSF, BXW, CCSA, CCZB, CDAA and CHGA)
					Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, BXW, CCSA, CCZB, CDAA and CHGA)
F22	14	Fuse 22 on fuse holder B -SB22-	5 A	-	Clutch position sender -G476-	87a
F23	21	Fuse 23 on fuse holder B -SB23-	5 A	-	Continued coolant circulation relay -J151- (CCZB, CDAA, CDLA and CDLD)	87a
					Secondary air pump relay -J299- (BSE, CCSA and CHGA)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
			10 A	-	Intake manifold preheating relay -J81- (CAYC)
					Exhaust gas recirculation valve -N18- (AZV, BKD, BXE and BXF)
					Charge pressure control solenoid valve -N75- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)
					Exhaust gas recirculation cooler change-over valve -N345- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)
			15 A	-	Fuel pressure regulating valve -N276- (CAXC)
F24	11	Fuse 24 on fuse holder B -SB24-	10 A	-	Radiator fan control unit C1781 -J293-	87a
					Additional coolant pump relay -J496- (CAXC)
					Engine component current supply relay -J757- (CCZB and CDAA)
					Charge pressure control solenoid valve -N75- (CAXC, CCZB and CDAA)
					Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, BXW, CAXC, CCSA, CCZB, CDAA and CHGA)
					Variable intake manifold change-over valve -N156- (BSE, BSF, CCSA and CHGA)
					Inlet camshaft control valve 1 -N205- (CAXC, CCZB, CDAA, CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CAXC, CCZB and CDAA)
					Intake manifold flap valve -N316- (CCZB and CDAA)
					Oil pressure warning lamp -N428- (CCZB and CDAA)
					Radiator fan -V7-
					Intake manifold flap motor -V157- (AZV, BKD, BXE and BXF)
					Coolant circulation pump 2 -V178- (CAYC and CEGA)
F25	31	Fuse 25 on fuse holder B -SB25-	40 A	-	ABS control unit -J104-	30a
F26	35	Fuse 26 on fuse holder B -SB26-	30 A	-	Onboard supply control unit -J519- (via A/1), left headlight bulb supply	30a
F27	1	Fuse 27 on fuse holder B -SB27-	40 A	-	Secondary air pump motor -V101- (BSE, CCSA and CHGA)	87a
			50 A	-	Automatic glow period control unit -J179- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC and CEGA)	30a
F28	4	Fuse 28 on fuse holder B -SB28-	-	-	vacant
F29	2	Fuse 29 on fuse holder B -SB29-	50 A	-	Sliding sunroof adjustment control unit -J245-	30a
					Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking
					Heated front seats control unit -J774-
					Headlight washer system relay -J39-
F30	3	Fuse 30 on fuse holder B -SB30-	50 A	-	X-contact relief relay -J59-	30a

Back to overview

Position of fuses, from June 2010

No.	T40a	Current Flow Diagram designation	Nominal value		Function/component	Terminal
F1	32	Fuse 1 on fuse holder B -SB1-	30 A	-	Front passenger side wiper motor control unit -J584-	30a
F2	39	Fuse 2 on fuse holder B -SB2-	30 A	-	Mechatronic unit for dual clutch gearbox -J743- (BSF, CAYB, CAYC and CDAA)	30a
F3	38	Fuse 3 on fuse holder B -SB3-	5 A	-	Battery monitor control unit -J367- (CAYB, CAYC and CBZB with stop/start system)	30a
					Onboard supply control unit -J519- (via A/24), reference voltage
F4	27	Fuse 4 on fuse holder B -SB4-	20 A	-	ABS control unit -J104-	30a
F5	40	Fuse 5 on fuse holder B -SB5-	15 A	-	Mechatronic unit for dual clutch gearbox -J743- (AZV, BKD, BLS, BMM, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)	30a
F6	25	Fuse 6 on fuse holder B -SB6-	5 A	-	Control unit in dash panel insert -J285- (without stop/start system)	30a
					Steering column electronics control unit -J527-
F7	33	Fuse 7 on fuse holder B -SB7-	40 A	-	Terminal 15 voltage supply relay 2 -J681-	30a
F8	34	Fuse 8 on fuse holder B -SB8-	15 A	-	Control unit with display for radio and navigation system -J503-	30a
					Voltage stabiliser -J532- (CAYB, CAYC and CBZB with stop/start system)
					Radio -R-
F9	30	Fuse 9 on fuse holder B -SB9-	5 A	-	Telephone transmitter and receiver unit -R36- (without stop/start system)	30a
F10	28	Fuse 10 on fuse holder B -SB10-	5 A	-	Main relay -J271- (CAXC and CBZB)	30a
					Terminal 30 voltage supply relay -J317- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)
					Engine control unit -J623- (CAXC, CAYB, CAYC, CBZB, CEGA, CFHC and CFJA)
			10 A	-	Main relay -J271- (CCZB, CDAA, CDLA and CDLD)
					Terminal 30 voltage supply relay -J317- (CGGB)
					Engine control unit -J623- (CCZB, CDAA, CDLA, CDLD and CGGB)
F11	20	Fuse 11 on fuse holder B -SB11-	-	-	vacant
F12	24	Fuse 12 on fuse holder B -SB12-	5 A	-	Data bus diagnostic interface -J533-	30a
F13	22	Fuse 13 on fuse holder B -SB13-	15 A	-	Engine control unit -J623- (BSE, BSF, CAXC, CBZB, CCSA, CCZB, CDAA, CDLA, CDLD, CGGB, CHGA and CMXA)	87a
			30 A	-	Engine control unit -J623- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)
F14	19	Fuse 14 on fuse holder B -SB14-	20 A	-	Ignition coil 1 with output stage -N70- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)	87a
					Ignition coil 2 with output stage -N127- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
					Ignition transformer -N152- (BSE, BSF, CCSA, CHGA, CBZB and CMXA)
					Fuel pressure regulating valve -N276- (CAYB, CAYC, CEGA, CFHC and CFJA)
					Fuel metering valve -N290- (CAYB, CAYC, CEGA, CFHC and CFJA)
					Ignition coil 3 with output stage -N291- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
					Ignition coil 4 with output stage -N292- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
F15	26	Fuse 15 on fuse holder B -SB15-	5 A	-	Fuel pump relay -J17- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)	87a
					Electric fuel pump 2 relay -J49- (CEGA, CFHC and CFJA)
					Automatic glow period control unit -J179- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)
					Low heat output relay -J359-
					High heat output relay -J360-
			10 A	-	Injector, cylinder 1 -N30- (CGGB)
					Injector, cylinder 2 -N31- (CGGB)
					Injector, cylinder 3 -N32- (CGGB)
					Injector, cylinder 4 -N33- (CGGB)
					Continued coolant circulation relay -J151- (CDLA and CDLD)
					Lambda probe heater -Z19- (CAXC and CBZB)
					Lambda probe 1 heater after catalytic converter -Z29- (CAXC and CBZB)
			15 A	-	Sender for gas gauge -G707- (CHGA)
					Gas mode control unit -J659- (CHGA)
					Gas injection valve 1 -N366- (CHGA)
					Gas injection valve 2 -N367- (CHGA)
					Gas injection valve 3 -N368- (CHGA)
					Gas injection valve 4 -N369- (CHGA)
					High pressure valve for gas mode -N372- (CHGA)
					Gas reservoir valve -N495- (CHGA)
F16	23	Fuse 16 on fuse holder B -SB16-	30 A	-	Onboard supply control unit -J519- (via C/42), right headlight bulb supply	30a
F17	18	Fuse 17 on fuse holder B -SB17-	15 A	-	Dual tone horn relay -J4-	30a
F18	17	Fuse 18 on fuse holder B -SB18-	-	-	vacant
F19	12	Fuse 19 on fuse holder B -SB19-	30 A	-	Wiper motor control unit -J400- , driver side	30a
F20	13	Fuse 20 on fuse holder B -SB20-	10 A	-	Coolant circulation pump -V50- (CAXC and CBZB)	87a
			20 A	-	Fuel pressure regulating valve -N276- (CCZB and CDAA)
F21	16	Fuse 21 on fuse holder B -SB21-	10 A	-	Lambda probe heater -Z19- (BLS, BMM, CAYB, CAYC, CEGA, CFHC and CFJA)	87a
			15 A	-	Lambda probe heater -Z19- (BSE, BSF, CCSA, CCZB, CDAA, CGGB, CHGA and CMXA)
					Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, CCSA, CCZB, CDAA, CGGB, CHGA and CMXA)
F22	14	Fuse 22 on fuse holder B -SB22-	5 A	-	Clutch position sender -G476-	87a
F23	21	Fuse 23 on fuse holder B -SB23-	5 A	-	Continued coolant circulation relay -J151- (CCZB, CDAA, CDLA and CDLD)	87a
					Secondary air pump relay -J299- (BSE, CCSA, CHGA and CMXA)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
			10 A	-	Air mass meter -G70- (CFHC and CFJA)
					Intake manifold preheating relay -J81- (CAYB and CAYC)
					Exhaust gas recirculation valve -N18- (AZV, BKD, BXE and BXF)
					Charge pressure control solenoid valve -N75- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)
					Exhaust gas recirculation cooler change-over valve -N345- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)
			15 A	-	Fuel pressure regulating valve -N276- (CAXC and CBZB)
F24	11	Fuse 24 on fuse holder B -SB24-	10 A	-	Radiator fan control unit C1781 -J293-	87a
					Additional coolant pump relay -J496- (CAXC and CBZB)
					Engine component current supply relay -J757- (CCZB and CDAA)
					Charge pressure control solenoid valve -N75- (CAXC, CCZB and CDAA)
					Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, CAXC, CBZB, CCSA, CCZB, CDAA, CGGB, CHGA and CMXA)
					Variable intake manifold change-over valve -N156- (BSE, BSF, CCSA, CHGA and CMXA)
					Inlet camshaft control valve 1 -N205- (CAXC, CCZB, CDAA, CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CAXC, CCZB and CDAA)
					Intake manifold flap valve -N316- (CCZB and CDAA)
					Oil pressure warning lamp -N428- (CCZB and CDAA)
					Refrigerant circulation solenoid valve -N492- (CBZB)
					Radiator fan -V7-
					Intake manifold flap motor -V157- (AZV, BKD, BXE and BXF)
					Coolant circulation pump 2 -V178- (CAYB, CAYC, CEGA, CFHC and CFJA)
F25	31	Fuse 25 on fuse holder B -SB25-	40 A	-	ABS control unit -J104-	30a
F26	35	Fuse 26 on fuse holder B -SB26-	30 A	-	Onboard supply control unit -J519- (via A/1), left headlight bulb supply	30a
F27	1	Fuse 27 on fuse holder B -SB27-	40 A	-	Secondary air pump motor -V101- (BSE, CCSA, CHGA and CMXA)	87a
			50 A	-	Automatic glow period control unit -J179- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC and CFJA)	30a
F28	4	Fuse 28 on fuse holder B -SB28-	-	-	vacant
F29	2	Fuse 29 on fuse holder B -SB29-	50 A	-	Sliding sunroof adjustment control unit -J245-	30a
					Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking
					Heated front seats control unit -J774-
					Headlight washer system relay -J39-
F30	3	Fuse 30 on fuse holder B -SB30-	50 A	-	X-contact relief relay -J59-	30a

Back to overview

Position of fuses, from June 2011

No.	T40a	Current Flow Diagram designation	Nominal value		Function/component	Terminal
F1	32	Fuse 1 on fuse holder B -SB1-	30 A	-	Front passenger side wiper motor control unit -J584-	30a
F2	39	Fuse 2 on fuse holder B -SB2-	30 A	-	Mechatronic unit for dual clutch gearbox -J743- (BSF, CAYB, CAYC and CDAA)	30a
F3	38	Fuse 3 on fuse holder B -SB3-	5 A	-	Battery monitor control unit -J367- (CAYC and CBZB with stop/start system)	30a
					Onboard supply control unit -J519- (via A/24), reference voltage
F4	27	Fuse 4 on fuse holder B -SB4-	20 A	-	ABS control unit -J104-	30a
F5	40	Fuse 5 on fuse holder B -SB5-	15 A	-	Mechatronic unit for dual clutch gearbox -J743- (BKD, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)	30a
F6	25	Fuse 6 on fuse holder B -SB6-	5 A	-	Control unit in dash panel insert -J285- (without stop/start system)	30a
					Steering column electronics control unit -J527-
F7	33	Fuse 7 on fuse holder B -SB7-	40 A	-	Terminal 15 voltage supply relay 2 -J681-	30a
F8	34	Fuse 8 on fuse holder B -SB8-	15 A	-	Control unit with display for radio and navigation system -J503-	30a
					Voltage stabiliser -J532- (CAYC and CBZB with stop/start system)
					Radio -R-
F9	30	Fuse 9 on fuse holder B -SB9-	5 A	-	Telephone transmitter and receiver unit -R36- (without stop/start system)	30a
F10	28	Fuse 10 on fuse holder B -SB10-	5 A	-	Main relay -J271- (CAXC and CBZB)	30a
					Terminal 30 voltage supply relay -J317- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Engine control unit -J623- (CAXC, CAYB, CAYC, CBZB, CEGA, CFHC, CFJA and CLCB)
			10 A	-	Main relay -J271- (CCZB, CDAA, CDLA and CDLD)
					Terminal 30 voltage supply relay -J317- (CGGB)
					Engine control unit -J623- (CCZB, CDAA, CDLA, CDLD and CGGB)
F11	20	Fuse 11 on fuse holder B -SB11-	-	-	vacant
F12	24	Fuse 12 on fuse holder B -SB12-	5 A	-	Data bus diagnostic interface -J533-	30a
F13	22	Fuse 13 on fuse holder B -SB13-	15 A	-	Engine control unit -J623- (BSF, CAXC, CBZB, CCZB, CDAA, CDLA, CDLD, CGGB, CHGA and CMXA)	87a
			30 A	-	Engine control unit -J623- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
F14	19	Fuse 14 on fuse holder B -SB14-	20 A	-	Ignition coil 1 with output stage -N70- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)	87a
					Ignition coil 2 with output stage -N127- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
					Ignition transformer -N152- (BSF, CHGA, CBZB and CMXA)
					Fuel pressure regulating valve -N276- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Fuel metering valve -N290- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Ignition coil 3 with output stage -N291- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
					Ignition coil 4 with output stage -N292- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
F15	26	Fuse 15 on fuse holder B -SB15-	5 A	-	Fuel pump relay -J17- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)	87a
					Electric fuel pump 2 relay -J49- (CEGA, CFHC and CFJA)
					Automatic glow period control unit -J179- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Low heat output relay -J359-
					High heat output relay -J360-
			10 A	-	Injector, cylinder 1 -N30- (CGGB)
					Injector, cylinder 2 -N31- (CGGB)
					Injector, cylinder 3 -N32- (CGGB)
					Injector, cylinder 4 -N33- (CGGB)
					Continued coolant circulation relay -J151- (CDLA and CDLD)
					Lambda probe heater -Z19- (CAXC and CBZB)
					Lambda probe 1 heater after catalytic converter -Z29- (CAXC and CBZB)
			15 A	-	Sender for gas gauge -G707- (CHGA)
					Gas mode control unit -J659- (CHGA)
					Gas injection valve 1 -N366- (CHGA)
					Gas injection valve 2 -N367- (CHGA)
					Gas injection valve 3 -N368- (CHGA)
					Gas injection valve 4 -N369- (CHGA)
					High pressure valve for gas mode -N372- (CHGA)
					Gas reservoir valve -N495- (CHGA)
F16	23	Fuse 16 on fuse holder B -SB16-	30 A	-	Onboard supply control unit -J519- (via C/42), right headlight bulb supply	30a
F17	18	Fuse 17 on fuse holder B -SB17-	15 A	-	Dual tone horn relay -J4-	30a
F18	17	Fuse 18 on fuse holder B -SB18-	-	-	vacant
F19	12	Fuse 19 on fuse holder B -SB19-	30 A	-	Wiper motor control unit -J400- , driver side	30a
F20	13	Fuse 20 on fuse holder B -SB20-	10 A	-	Coolant circulation pump -V50- (CAXC and CBZB)	87a
			20 A	-	Fuel pressure regulating valve -N276- (CCZB and CDAA)
F21	16	Fuse 21 on fuse holder B -SB21-	10 A	-	Lambda probe heater -Z19- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)	87a
			15 A	-	Lambda probe heater -Z19- (BSF, CCZB, CDAA, CGGB, CHGA and CMXA)
					Lambda probe 1 heater after catalytic converter -Z29- (BSF, CCZB, CDAA, CGGB, CHGA and CMXA)
F22	14	Fuse 22 on fuse holder B -SB22-	5 A	-	Clutch position sender -G476-	87a
F23	21	Fuse 23 on fuse holder B -SB23-	5 A	-	Continued coolant circulation relay -J151- (CCZB, CDAA, CDLA and CDLD)	87a
					Secondary air pump relay -J299- (CHGA and CMXA)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
			10 A	-	Air mass meter -G70- (CFHC, CFJA and CLCB)
					Intake manifold preheating relay -J81- (CAYB and CAYC)
					Exhaust gas recirculation valve -N18- (BKD)
					Charge pressure control solenoid valve -N75- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Exhaust gas recirculation cooler change-over valve -N345- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
			15 A	-	Fuel pressure regulating valve -N276- (CAXC and CBZB)
F24	11	Fuse 24 on fuse holder B -SB24-	10 A	-	Radiator fan control unit C1781 -J293-	87a
					Additional coolant pump relay -J496- (CAXC and CBZB)
					Engine component current supply relay -J757- (CCZB and CDAA)
					Charge pressure control solenoid valve -N75- (CAXC, CCZB and CDAA)
					Activated charcoal filter system solenoid valve 1 -N80- (BSF, CAXC, CBZB, CCZB, CDAA, CGGB, CHGA and CMXA)
					Variable intake manifold change-over valve -N156- (BSF, CHGA and CMXA)
					Inlet camshaft control valve 1 -N205- (CAXC, CCZB, CDAA, CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CAXC, CCZB and CDAA)
					Intake manifold flap valve -N316- (CCZB and CDAA)
					Oil pressure warning lamp -N428- (CCZB and CDAA)
					Refrigerant circulation solenoid valve -N492- (CBZB)
					Radiator fan -V7-
					Intake manifold flap motor -V157- (BKD)
					Coolant circulation pump 2 -V178- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
F25	31	Fuse 25 on fuse holder B -SB25-	40 A	-	ABS control unit -J104-	30a
F26	35	Fuse 26 on fuse holder B -SB26-	30 A	-	Onboard supply control unit -J519- (via A/1), left headlight bulb supply	30a
F27	1	Fuse 27 on fuse holder B -SB27-	40 A	-	Secondary air pump motor -V101- (CHGA and CMXA)	87a
			50 A	-	Automatic glow period control unit -J179- (BKD, CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)	30a
F28	4	Fuse 28 on fuse holder B -SB28-	-	-	vacant
F29	2	Fuse 29 on fuse holder B -SB29-	50 A	-	Sliding sunroof adjustment control unit -J245-	30a
					Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking
					Heated front seats control unit -J774-
					Headlight washer system relay -J39-
F30	3	Fuse 30 on fuse holder B -SB30-	50 A	-	X-contact relief relay -J59-	30a

Back to overview

Position of fuses, from November 2011

No.	T40a	Current Flow Diagram designation	Nominal value		Function/component	Terminal
F1	32	Fuse 1 on fuse holder B -SB1-	30 A	-	Front passenger side wiper motor control unit -J584-	30a
F2	39	Fuse 2 on fuse holder B -SB2-	30 A	-	Mechatronic unit for dual clutch gearbox -J743- (BSF, CAYB, CAYC and CDAA)	30a
F3	38	Fuse 3 on fuse holder B -SB3-	5 A	-	Battery monitor control unit -J367- (CAYC and CBZB with stop/start system)	30a
					Onboard supply control unit -J519- (via A/24), reference voltage
F4	27	Fuse 4 on fuse holder B -SB4-	20 A	-	ABS control unit -J104-	30a
F5	40	Fuse 5 on fuse holder B -SB5-	15 A	-	Mechatronic unit for dual clutch gearbox -J743- (BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)	30a
F6	25	Fuse 6 on fuse holder B -SB6-	5 A	-	Control unit in dash panel insert -J285- (without stop/start system)	30a
					Steering column electronics control unit -J527-
F7	33	Fuse 7 on fuse holder B -SB7-	40 A	-	Terminal 15 voltage supply relay 2 -J681-	30a
F8	34	Fuse 8 on fuse holder B -SB8-	15 A	-	Control unit with display for radio and navigation system -J503-	30a
					Voltage stabiliser -J532- (CAYC and CBZB with stop/start system)
					Radio -R-
F9	30	Fuse 9 on fuse holder B -SB9-	5 A	-	Telephone transmitter and receiver unit -R36- (without stop/start system)	30a
F10	28	Fuse 10 on fuse holder B -SB10-	5 A	-	Main relay -J271- (CAXC and CBZB)	30a
					Terminal 30 voltage supply relay -J317- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Engine control unit -J623- (CAXC, CAYB, CAYC, CBZB, CEGA, CFHC, CFJA and CLCB)
			10 A	-	Main relay -J271- (CCZB, CDAA, CDLA and CDLD)
					Terminal 30 voltage supply relay -J317- (CGGB)
					Engine control unit -J623- (CCZB, CDAA, CDLA, CDLD and CGGB)
F11	20	Fuse 11 on fuse holder B -SB11-	-	-	vacant
F12	24	Fuse 12 on fuse holder B -SB12-	5 A	-	Data bus diagnostic interface -J533-	30a
F13	22	Fuse 13 on fuse holder B -SB13-	15 A	-	Engine control unit -J623- (BSF, CAXC, CBZB, CCZB, CDAA, CDLA, CDLD, CGGB, CHGA and CMXA)	87a
			30 A	-	Engine control unit -J623- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
F14	19	Fuse 14 on fuse holder B -SB14-	20 A	-	Ignition coil 1 with output stage -N70- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)	87a
					Ignition coil 2 with output stage -N127- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
					Ignition transformer -N152- (BSE, BSF, CHGA, CBZB and CMXA)
					Fuel pressure regulating valve -N276- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Fuel metering valve -N290- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Ignition coil 3 with output stage -N291- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
					Ignition coil 4 with output stage -N292- (CAXC, CCZB, CDAA, CDLA, CDLD and CGGB)
F15	26	Fuse 15 on fuse holder B -SB15-	5 A	-	Fuel pump relay -J17- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)	87a
					Electric fuel pump 2 relay -J49- (CEGA, CFHC and CFJA)
					Automatic glow period control unit -J179- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Low heat output relay -J359- (Diesel)
					High heat output relay -J360- (Diesel)
			10 A	-	Injector, cylinder 1 -N30- (CGGB)
					Injector, cylinder 2 -N31- (CGGB)
					Injector, cylinder 3 -N32- (CGGB)
					Injector, cylinder 4 -N33- (CGGB)
					Continued coolant circulation relay -J151- (CDLA and CDLD)
					Low heat output relay -J359- (petrol)
					High heat output relay -J360- (petrol)
					Lambda probe heater -Z19- (CAXC and CBZB)
					Lambda probe 1 heater after catalytic converter -Z29- (CAXC and CBZB)
			15 A	-	Sender for gas gauge -G707- (CHGA)
					Gas mode control unit -J659- (CHGA)
					Gas injection valve 1 -N366- (CHGA)
					Gas injection valve 2 -N367- (CHGA)
					Gas injection valve 3 -N368- (CHGA)
					Gas injection valve 4 -N369- (CHGA)
					High pressure valve for gas mode -N372- (CHGA)
					Gas reservoir valve -N495- (CHGA)
F16	23	Fuse 16 on fuse holder B -SB16-	30 A	-	Onboard supply control unit -J519- (via C/42), right headlight bulb supply	30a
F17	18	Fuse 17 on fuse holder B -SB17-	15 A	-	Dual tone horn relay -J4-	30a
F18	17	Fuse 18 on fuse holder B -SB18-	-	-	vacant
F19	12	Fuse 19 on fuse holder B -SB19-	30 A	-	Wiper motor control unit -J400- , driver side	30a
F20	13	Fuse 20 on fuse holder B -SB20-	10 A	-	Coolant circulation pump -V50- (CAXC and CBZB)	87a
			20 A	-	Fuel pressure regulating valve -N276- (CCZB and CDAA)
F21	16	Fuse 21 on fuse holder B -SB21-	10 A	-	Lambda probe heater -Z19- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)	87a
			15 A	-	Lambda probe heater -Z19- (BSE, BSF, CCZB, CDAA, CGGB, CHGA and CMXA)
					Lambda probe 1 heater after catalytic converter -Z29- (BSE, BSF, CCZB, CDAA, CGGB, CHGA and CMXA)
F22	14	Fuse 22 on fuse holder B -SB22-	5 A	-	Brake pedal position sender -G100-	87a
					Clutch position sender -G476- (only models with manual gearbox)
F23	21	Fuse 23 on fuse holder B -SB23-	5 A	-	Continued coolant circulation relay -J151- (CCZB, CDAA, CDLA and CDLD)	87a
					Secondary air pump relay -J299- (CHGA and CMXA)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
			10 A	-	Air mass meter -G70- (CFHC, CFJA and CLCB)
					Intake manifold preheating relay -J81- (CAYB and CAYC)
					Exhaust gas recirculation valve -N18- (BKD)
					Charge pressure control solenoid valve -N75- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
					Exhaust gas recirculation cooler change-over valve -N345- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
			15 A	-	Fuel pressure regulating valve -N276- (CAXC and CBZB)
F24	11	Fuse 24 on fuse holder B -SB24-	10 A	-	Radiator fan control unit C1781 -J293-	87a
					Additional coolant pump relay -J496- (CAXC and CBZB)
					Engine component current supply relay -J757- (CCZB and CDAA)
					Charge pressure control solenoid valve -N75- (CAXC, CCZB and CDAA)
					Activated charcoal filter system solenoid valve 1 -N80- (BSE, BSF, CAXC, CBZB, CCZB, CDAA, CGGB, CHGA and CMXA)
					Variable intake manifold change-over valve -N156- (BSE, BSF, CHGA and CMXA)
					Inlet camshaft control valve 1 -N205- (CAXC, CCZB, CDAA, CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CAXC, CCZB and CDAA)
					Intake manifold flap valve -N316- (CCZB and CDAA)
					Oil pressure warning lamp -N428- (CCZB and CDAA)
					Refrigerant circulation solenoid valve -N492- (CBZB)
					Radiator fan -V7-
					Coolant circulation pump 2 -V178- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)
F25	31	Fuse 25 on fuse holder B -SB25-	40 A	-	ABS control unit -J104-	30a
F26	35	Fuse 26 on fuse holder B -SB26-	30 A	-	Onboard supply control unit -J519- (via A/1), left headlight bulb supply	30a
F27	1	Fuse 27 on fuse holder B -SB27-	40 A	-	Secondary air pump motor -V101- (CHGA and CMXA)	87a
			50 A	-	Automatic glow period control unit -J179- (CAYB, CAYC, CEGA, CFHC, CFJA and CLCB)	30a
F28	4	Fuse 28 on fuse holder B -SB28-	-	-	vacant
F29	2	Fuse 29 on fuse holder B -SB29-	50 A	-	Sliding sunroof adjustment control unit -J245-	30a
					Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking
					Heated front seats control unit -J774-
					Headlight washer system relay -J39-
F30	3	Fuse 30 on fuse holder B -SB30-	50 A	-	X-contact relief relay -J59-	30a

Back to overview

SEAT LEON 2013 Fuses (SC) in fuse holder under left dash panel

Fuses (SC) in fuse holder under left dash panel

-	Fuse colours

50 A - red

40 A - orange

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

Back to overview

Position of fuses, from March 2009

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	10 A	-	Diagnosis connection -U31- (T16/1)	15a
					Headlight range control regulator -E102-
					Air mass meter -G70- (AZV, BKD, BLS, BMM, BMN, BWA, BWJ, BXE, BXF, BZB, CDAA and CEGA)
					Engine control unit -J623- (BXW)
					Cornering light and headlight range control unit -J745-
					Intake manifold preheating heater element -N51- (AZV, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF, CCSA and CEGA)
					Heater element for crankcase breather -N79- (BXW)
					Left headlight range control motor -V48-
					Right headlight range control motor -V49-
					Heated windscreen -Z2-
					Left washer jet heater element -Z20-
					Right washer jet heater element -Z21-
2	-	Fuse 2 on fuse holder C -SC2-	10 A	-	Light switch -E1-	15a
					Tiptronic switch -F189- (BVY and BVZ)
					Brake pedal position sender -G100-
					ABS control unit -J104-
					Control unit in dash panel insert -J285-
					Terminal 30 voltage supply relay -J317- (BSE, BSF and CCSA)
					Trailer detector control unit -J345-
					Current supply relay for Simos control unit -J363- (BSE, BSF and CCSA)
					Parking aid control unit -J446-
					Power steering control unit -J500-
					Data bus diagnostic interface -J533-
					Fuel pump control unit -J538- (BVY, BVZ, BWA, BWJ, CAXC and CDAA)
					Selector lever sensors control unit -J587- (AZV, BKD, BLS, BMM, BWA and CDAA)
					Engine control unit -J623- (AZV, BKD, BLS, BMM, BMN, BSE, BSF, BVY, BVZ, BWA, BWJ, BXE, BXF, CAXC, CCSA, CDAA and CEGA)
					Fuel supply relay -J643- (BXW)
					Mechatronic unit for dual clutch gearbox -J743- (AZV, BKD, BLS, BMM, BWA and CDAA)
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Airbag control unit -J234-	15a
					Front passenger side airbag deactivated warning lamp -K145-
4	-	Fuse 4 on fuse holder C -SC4-	5 A	-	Heater/heat output switch -E16-	15a
					Tyre pressure monitor button -E226-
					TCS and ESP button -E256-
					Reversing light switch -F4-
					High pressure sender -G65-
					Oil level and oil temperature sender -G266- (CAXC and CDAA)
					Air conditioning system control unit -J301-
					Automatic anti-dazzle interior mirror -Y7-
5	-	Fuse 5 on fuse holder C -SC5-	10 A	-	Power output module for right headlight -J668-	15a
6	-	Fuse 6 on fuse holder C -SC6-	10 A	-	Power output module for left headlight -J667-	15a
7	-	Fuse 7 on fuse holder C -SC7-	-		vacant
8	-	Fuse 8 on fuse holder C -SC8-	-		vacant
9	-	Fuse 9 on fuse holder C -SC9-	-		vacant
10	-	Fuse 10 on fuse holder C -SC10-	-		vacant
11	-	Fuse 11 on fuse holder C -SC11-	-	-	vacant
12	-	Fuse 12 on fuse holder C -SC12-	15 A	-	Driver door control unit -J386- (without Autolock function)	30a
					Front passenger door control unit -J387- (without Autolock function)
					Rear left door control unit -J388- (without Autolock function)
					Rear right door control unit -J389- (without Autolock function)
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	Diagnosis connection -U31- (T16/16)	30a
					Light switch -E1-
					Rain and light detector sensor -G397-
					Heated rear window relay -J9-
14	-	Fuse 14 on fuse holder C -SC14-	10 A	-	Heater/heat output switch -E16-	30a
					Tiptronic switch -F189-
					Automatic gearbox control unit -J217- (BVY and BVZ)
					Climatronic control unit -J255-
					Air conditioning system control unit -J301-
					Selector lever sensors control unit -J587- (AZV, BKD, BLS, BMM, BWA and CDAA)
15	-	Fuse 15 on fuse holder C -SC15-	-	-	vacant
16	-	Fuse 16 on fuse holder C -SC16-	-	-	vacant
17	-	Fuse 17 on fuse holder C -SC17-	5 A	-	Interior monitoring sensor -G273-	30a
					Alarm horn -H12-
					Dual tone horn relay -J4-
					Onboard supply control unit -J519- (via C/1), supply alarm
18	-	Fuse 18 on fuse holder C -SC18-	-	-	vacant
19	-	Fuse 19 on fuse holder C -SC19-	-	-	vacant
20	-	Fuse 20 on fuse holder C -SC20-	-	-	vacant
21	-	Fuse 21 on fuse holder C -SC21-	10 A	-	Fuel pressure regulating valve -N276- (BWA and BWJ)	87a
22	-	Fuse 22 on fuse holder C -SC22-	40 A	-	Fresh air blower -V2- (Climatronic only)	30a
23	-	Fuse 23 on fuse holder C -SC23-	30 A	-	Driver door control unit -J386-	30a
					Front passenger door control unit -J387-
24	-	Fuse 24 on fuse holder C -SC24-	20 A	-	Onboard supply control unit -J519- (via B/42), reference voltage	30a
25	-	Fuse 25 on fuse holder C -SC25-	25 A	-	Heated rear window relay -J9-	30a
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Rear left door control unit -J388-	30a
					Rear right door control unit -J389-
27	-	Fuse 27 on fuse holder C -SC27-	15 A	-	Fuel pump relay -J17- (AZV, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF, BXW, CCSA and CEGA)	30a
					Electric fuel pump 2 relay -J49- (CEGA)
					Current supply relay for Simos control unit -J363- (BSE, BSF and CCSA)
					Fuel pump control unit -J538- (BVY, BVZ, BWA, BWJ, CAXC and CDAA)
					Fuel supply relay -J643- (BXW)
					Motronic current supply relay -2- -J670- (BWA and BWJ)
28	-	Fuse 28 on fuse holder C -SC28-	30 A	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
29	-	Fuse 29 on fuse holder C -SC29-	-	-	vacant
30	-	Fuse 30 on fuse holder C -SC30-	20 A	-	Multifunction switch -F125- (BVY and BVZ)	30a
					Automatic gearbox control unit -J217- (BVY and BVZ)
31	-	Fuse 31 on fuse holder C -SC31-	20 A	-	Vacuum pump relay -J57- (BVY and BVZ)	15a
32	-	Fuse 32 on fuse holder C -SC32-	-	-	vacant
33	-	Fuse 33 on fuse holder C -SC33-	25 A	-	Sliding sunroof adjustment control unit -J245-	30a
34	-	Fuse 34 on fuse holder C -SC34-	25 A	-	Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking	30a
35	-	Fuse 35 on fuse holder C -SC35-	-	-	vacant
36	-	Fuse 36 on fuse holder C -SC36-	20 A	-	Headlight washer system relay -J39-	30a
37	-	Fuse 37 on fuse holder C -SC37-	30 A	-	Heated front seats control unit -J774-	30a
38	-	Fuse 38 on fuse holder C -SC38-	10 A	-	Charge pressure control solenoid valve -N75- (BWA and BWJ)	87a
					Activated charcoal filter system solenoid valve 1 -N80- (BWA and BWJ)
					Turbocharger air recirculation valve -N249- (BWA and BWJ)
39	-	Fuse 39 on fuse holder C -SC39-	-	-	vacant
40	-	Fuse 40 on fuse holder C -SC40-	40 A	-	Heater/heat output switch -E16-	75a
					Air conditioning system control unit -J301-
41	-	Fuse 41 on fuse holder C -SC41-	20 A	-	Rear window wiper motor -V12-	75a
42	-	Fuse 42 on fuse holder C -SC42-	20 A	-	Cigarette lighter -U1-	75a
					12 V socket 2 -U18-
43	-	Fuse 43 on fuse holder C -SC43-	15 A	-	Trailer detector control unit -J345-	30a
44	-	Fuse 44 on fuse holder C -SC44-	20 A	-	Trailer detector control unit -J345-	30a
45	-	Fuse 45 on fuse holder C -SC45-	15 A	-	Trailer detector control unit -J345-	30a
46	-	Fuse 46 on fuse holder C -SC46-	-	-	vacant
47	-	Fuse 47 on fuse holder C -SC47-	10 A	-	Lambda probe heater -Z19- (BWA and BWJ)	87a
48	-	Fuse 48 on fuse holder C -SC48-	10 A	-	Lambda probe 1 heater after catalytic converter -Z29- (BWA and BWJ)	87a
49		Fuse 49 on fuse holder C -SC49-	-	-	vacant

Back to overview

Position of fuses, from May 2009

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	10 A	-	Diagnosis connection -U31- (T16/1)	15a
					Headlight range control regulator -E102-
					Air mass meter -G70- (AZV, BKD, BLS, BMM, BXE, BXF, CAYC, CCZB, CDAA, CDLA, CDLD and CEGA)
					Engine control unit -J623- (BXW)
					Cornering light and headlight range control unit -J745-
					Control unit for structure-borne sound -J869- (Cupra and Cupra R only)
					Intake manifold preheating heater element -N51- (AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CCSA and CEGA)
					Heater element for crankcase breather -N79- (BXW)
					Left headlight range control motor -V48-
					Right headlight range control motor -V49-
					Heated windscreen -Z2-
					Left washer jet heater element -Z20-
					Right washer jet heater element -Z21-
2	-	Fuse 2 on fuse holder C -SC2-	10 A	-	Light switch -E1-	15a
					Brake pedal position sender -G100-
					ABS control unit -J104-
					Control unit in dash panel insert -J285-
					Terminal 30 voltage supply relay -J317- (BSE, BSF, CCSA and CHGA)
					Trailer detector control unit -J345-
					Current supply relay for Simos control unit -J363- (BSE, BSF, CCSA and CHGA)
					Parking aid control unit -J446-
					Power steering control unit -J500-
					Voltage stabiliser -J532- (CAYC with stop/start system)
					Data bus diagnostic interface -J533-
					Fuel pump control unit -J538- (CAXC, CCZB, CDAA, CDLA and CDLD)
					Selector lever sensors control unit -J587- (AZV, BKD, BLS, BMM, BSF, CAYC, CCZB, CDAA and CEGA)
					Engine control unit -J623- (AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CAXC, CAYC, CCSA, CCZB, CDAA, CDLA, CDLD, CEGA and CHGA)
					Fuel supply relay -J643- (BXW)
					Terminal 50 voltage supply relay -J682- (CAYC with stop/start system)
					Mechatronic unit for dual clutch gearbox -J743- (AZV, BKD, BLS, BMM, BSF, CAYC, CCZB, CDAA and CEGA)
					Starter motor relay 2 -J907- (CAYC with stop/start system)
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Airbag control unit -J234-	15a
					Front passenger side airbag deactivated warning lamp -K145-
4	-	Fuse 4 on fuse holder C -SC4-	5 A	-	Heater/heat output switch -E16-	15a
					Tyre pressure monitor button -E226-
					TCS and ESP button -E256-
					Stop/start system button -E693- (CAYC with stop/start system)
					Reversing light switch -F4-
					High pressure sender -G65-
					Oil level and oil temperature sender -G266- (CAXC, CAYC, CCZB, CDAA, CEGA and CHGA)
					Air conditioning system control unit -J301-
					Start/Stop operation warning lamp -K259- (CAYC with stop/start system)
					Automatic anti-dazzle interior mirror -Y7-
5	-	Fuse 5 on fuse holder C -SC5-	10 A	-	Power output module for right headlight -J668-	15a
6	-	Fuse 6 on fuse holder C -SC6-	10 A	-	Power output module for left headlight -J667-	15a
7	-	Fuse 7 on fuse holder C -SC7-	-		vacant
8	-	Fuse 8 on fuse holder C -SC8-	-		vacant
9	-	Fuse 9 on fuse holder C -SC9-	-		vacant
10	-	Fuse 10 on fuse holder C -SC10-	-		vacant
11	-	Fuse 11 on fuse holder C -SC11-	-	-	vacant
12	-	Fuse 12 on fuse holder C -SC12-	15 A	-	Driver door control unit -J386- (without Autolock function)	30a
					Front passenger door control unit -J387- (without Autolock function)
					Rear left door control unit -J388- (without Autolock function)
					Rear right door control unit -J389- (without Autolock function)
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	Diagnosis connection -U31- (T16/16)	30a
					Light switch -E1-
					Rain and light detector sensor -G397-
					Heated rear window relay -J9-
14	-	Fuse 14 on fuse holder C -SC14-	10 A	-	Heater/heat output switch -E16-	30a
					Climatronic control unit -J255-
					Air conditioning system control unit -J301-
					Selector lever sensors control unit -J587- (AZV, BKD, BLS, BMM, BSF, CAYC, CCZB, CDAA and CEGA)
15	-	Fuse 15 on fuse holder C -SC15-	-	-	vacant
16	-	Fuse 16 on fuse holder C -SC16-	-	-	vacant
17	-	Fuse 17 on fuse holder C -SC17-	5 A	-	Interior monitoring sensor -G273-	30a
					Alarm horn -H12-
					Dual tone horn relay -J4-
					Onboard supply control unit -J519- (via C/1), supply alarm
18	-	Fuse 18 on fuse holder C -SC18-	5 A	-	Control unit in dash panel insert -J285- (with stop/start system)	30a
19	-	Fuse 19 on fuse holder C -SC19-	-	-	vacant
20	-	Fuse 20 on fuse holder C -SC20-	15 A	-	Control unit with display for radio and navigation system -J503- (with stop/start system)	30a
					Radio -R- (with stop/start system)
21	-	Fuse 21 on fuse holder C -SC21-	10 A	-	Fuel pressure regulating valve -N276- (CDLA and CDLD)	87a
22	-	Fuse 22 on fuse holder C -SC22-	40 A	-	Fresh air blower -V2- (Climatronic only)	30a
23	-	Fuse 23 on fuse holder C -SC23-	30 A	-	Driver door control unit -J386-	30a
					Front passenger door control unit -J387-
24	-	Fuse 24 on fuse holder C -SC24-	20 A	-	Onboard supply control unit -J519- (via B/42), supply ignition	30a
25	-	Fuse 25 on fuse holder C -SC25-	25 A	-	Heated rear window relay -J9-	30a
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Rear left door control unit -J388-	30a
					Rear right door control unit -J389-
27	-	Fuse 27 on fuse holder C -SC27-	15 A	-	Fuel pump relay -J17- (AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, BXW, CAYC, CCSA, CEGA and CHGA)	30a
					Electric fuel pump 2 relay -J49- (CEGA)
					Current supply relay for Simos control unit -J363- (BSE, BSF, CCSA and CHGA)
					Fuel pump control unit -J538- (CAXC, CCZB, CDAA, CDLA and CDLD)
					Fuel supply relay -J643- (BXW)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
28	-	Fuse 28 on fuse holder C -SC28-	30 A	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
29	-	Fuse 29 on fuse holder C -SC29-	-	-	vacant
30	-	Fuse 30 on fuse holder C -SC30-	-	-	vacant
31	-	Fuse 31 on fuse holder C -SC31-	20 A	-	Vacuum pump relay -J57- (BSE, BSF and CCSA) (from November 2009)
32	-	Fuse 32 on fuse holder C -SC32-	-	-	vacant
33	-	Fuse 33 on fuse holder C -SC33-	25 A	-	Sliding sunroof adjustment control unit -J245-	30a
34	-	Fuse 34 on fuse holder C -SC34-	25 A	-	Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking	30a
35	-	Fuse 35 on fuse holder C -SC35-	-	-	vacant
36	-	Fuse 36 on fuse holder C -SC36-	20 A	-	Headlight washer system relay -J39-	30a
37	-	Fuse 37 on fuse holder C -SC37-	30 A	-	Heated front seats control unit -J774-	30a
38	-	Fuse 38 on fuse holder C -SC38-	10 A	-	Charge pressure control solenoid valve -N75- (CDLA and CDLD)	87a
					Activated charcoal filter system solenoid valve 1 -N80- (CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CDLA and CDLD)
39	-	Fuse 39 on fuse holder C -SC39-	10 A	-	Telephone transmitter and receiver unit -R36- (with stop/start system)	30a
40	-	Fuse 40 on fuse holder C -SC40-	40 A	-	Heater/heat output switch -E16-	75a
					Air conditioning system control unit -J301-
41	-	Fuse 41 on fuse holder C -SC41-	20 A	-	Rear window wiper motor -V12-	75a
42	-	Fuse 42 on fuse holder C -SC42-	20 A	-	Cigarette lighter -U1-	75a
					12 V socket 2 -U18-
43	-	Fuse 43 on fuse holder C -SC43-	15 A	-	Trailer detector control unit -J345-	30a
44	-	Fuse 44 on fuse holder C -SC44-	20 A	-	Trailer detector control unit -J345-	30a
45	-	Fuse 45 on fuse holder C -SC45-	15 A	-	Trailer detector control unit -J345-	30a
46	-	Fuse 46 on fuse holder C -SC46-	-	-	vacant
47	-	Fuse 47 on fuse holder C -SC47-	10 A	-	Lambda probe heater -Z19- (CDLA and CDLD)	87a
48	-	Fuse 48 on fuse holder C -SC48-	10 A	-	Lambda probe 1 heater after catalytic converter -Z29- (CDLA and CDLD)	87a
49		Fuse 49 on fuse holder C -SC49-	-	-	vacant

Back to overview

Position of fuses, from June 2010

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	10 A	-	Diagnosis connection -U31- (T16j/1)	15a
					Headlight range control regulator -E102-
					Air mass meter -G70- (AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CCZB, CDAA, CDLA, CDLD and CEGA)
					Engine control unit -J623- (CGGB)
					Gas mode control unit -J659- (CHGA)
					Cornering light and headlight range control unit -J745-
					Control unit for structure-borne sound -J869- (Cupra and Cupra R only)
					Intake manifold preheating heater element -N51- (AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CCSA, CEGA and CMXA)
					Heater element for crankcase breather -N79- (CFHC and CFJA)
					Left headlight range control motor -V48-
					Right headlight range control motor -V49-
					Heated windscreen -Z2-
					Left washer jet heater element -Z20-
					Right washer jet heater element -Z21-
2	-	Fuse 2 on fuse holder C -SC2-	10 A	-	Light switch -E1-	15a
					Brake pedal position sender -G100-
					ABS control unit -J104-
					Control unit in dash panel insert -J285-
					Terminal 30 voltage supply relay -J317- (BSE, BSF, CCSA, CHGA and CMXA)
					Trailer detector control unit -J345-
					Current supply relay for Simos control unit -J363- (BSE, BSF, CCSA, CHGA and CMXA)
					Parking aid control unit -J446-
					Power steering control unit -J500-
					Voltage stabiliser -J532- (CAYB, CAYC and CBZB with stop/start system)
					Data bus diagnostic interface -J533-
					Fuel pump control unit -J538- (CAXC, CBZB, CCZB, CDAA, CDLA and CDLD)
					Selector lever sensors control unit -J587- (AZV, BKD, BLS, BMM, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
					Engine control unit -J623- (AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CAXC, CAYB, CAYC, CBZB, CCSA, CCZB, CDAA, CDLA, CDLD, CEGA, CFHC, CFJA, CHGA and CMXA)
					Fuel supply relay -J643- (CGGB)
					Terminal 50 voltage supply relay -J682- (CAYB, CAYC and CBZB with stop/start system)
					Mechatronic unit for dual clutch gearbox -J743- (AZV, BKD, BLS, BMM, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
					Starter motor relay 2 -J907- (CAYB, CAYC and CBZB with stop/start system)
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Airbag control unit -J234-	15a
					Front passenger side airbag deactivated warning lamp -K145-
4	-	Fuse 4 on fuse holder C -SC4-	5 A	-	Heater/heat output switch -E16-	15a
					Tyre pressure monitor button -E226-
					TCS and ESP button -E256-
					Stop/start system button -E693- (CAYB, CAYC and CBZB with stop/start system)
					Reversing light switch -F4-
					High pressure sender -G65-
					Oil level and oil temperature sender -G266-
					Air conditioning system control unit -J301-
					Start/Stop operation warning lamp -K259- (CAYB, CAYC and CBZB with stop/start system)
					Automatic anti-dazzle interior mirror -Y7-
5	-	Fuse 5 on fuse holder C -SC5-	10 A	-	Power output module for right headlight -J668-	15a
6	-	Fuse 6 on fuse holder C -SC6-	10 A	-	Power output module for left headlight -J667-	15a
7	-	Fuse 7 on fuse holder C -SC7-	-		vacant
8	-	Fuse 8 on fuse holder C -SC8-	-		vacant
9	-	Fuse 9 on fuse holder C -SC9-	-		vacant
10	-	Fuse 10 on fuse holder C -SC10-	-		vacant
11	-	Fuse 11 on fuse holder C -SC11-	-	-	vacant
12	-	Fuse 12 on fuse holder C -SC12-	15 A	-	Driver door control unit -J386- (without Autolock function)	30a
					Front passenger door control unit -J387- (without Autolock function)
					Rear left door control unit -J388- (without Autolock function)
					Rear right door control unit -J389- (without Autolock function)
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	Diagnosis connection -U31- (T16j/16)	30a
					Light switch -E1-
					Rain and light detector sensor -G397-
					Heated rear window relay -J9-
14	-	Fuse 14 on fuse holder C -SC14-	10 A	-	Heater/heat output switch -E16-	30a
					Climatronic control unit -J255-
					Air conditioning system control unit -J301-
					Selector lever sensors control unit -J587- (AZV, BKD, BLS, BMM, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
15	-	Fuse 15 on fuse holder C -SC15-	-	-	vacant
16	-	Fuse 16 on fuse holder C -SC16-	-	-	vacant
17	-	Fuse 17 on fuse holder C -SC17-	5 A	-	Interior monitoring sensor -G273-	30a
					Alarm horn -H12-
					Dual tone horn relay -J4-
					Onboard supply control unit -J519- (via C/1), supply alarm
18	-	Fuse 18 on fuse holder C -SC18-	5 A	-	Control unit in dash panel insert -J285- (with stop/start system)	30a
19	-	Fuse 19 on fuse holder C -SC19-	-	-	vacant
20	-	Fuse 20 on fuse holder C -SC20-	15 A	-	Control unit with display for radio and navigation system -J503- (with stop/start system)	30a
					Radio -R- (with stop/start system)
21	-	Fuse 21 on fuse holder C -SC21-	10 A	-	Fuel pressure regulating valve -N276- (CDLA and CDLD)	87a
22	-	Fuse 22 on fuse holder C -SC22-	40 A	-	Fresh air blower -V2- (Climatronic only)	30a
23	-	Fuse 23 on fuse holder C -SC23-	30 A	-	Driver door control unit -J386-	30a
					Front passenger door control unit -J387-
24	-	Fuse 24 on fuse holder C -SC24-	20 A	-	Onboard supply control unit -J519- (via B/42), supply ignition	30a
25	-	Fuse 25 on fuse holder C -SC25-	25 A	-	Heated rear window relay -J9-	30a
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Rear left door control unit -J388-	30a
					Rear right door control unit -J389-
27	-	Fuse 27 on fuse holder C -SC27-	15 A	-	Fuel pump relay -J17- (AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CAYB, CAYC, CCSA, CEGA, CFHC, CFJA, CGGB, CHGA and CMXA)	30a
					Electric fuel pump 2 relay -J49- (CEGA, CFHC and CFJA)
					Current supply relay for Simos control unit -J363- (BSE, BSF, CCSA, CHGA and CMXA)
					Fuel pump control unit -J538- (CAXC, CBZB, CCZB, CDAA, CDLA and CDLD)
					Fuel supply relay -J643- (CGGB)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
28	-	Fuse 28 on fuse holder C -SC28-	30 A	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
29	-	Fuse 29 on fuse holder C -SC29-	-	-	vacant
30	-	Fuse 30 on fuse holder C -SC30-	-	-	vacant
31	-	Fuse 31 on fuse holder C -SC31-	20 A	-	Vacuum pump relay -J57- (BSE, BSF and CCSA)	15a
32	-	Fuse 32 on fuse holder C -SC32-	-	-	vacant
33	-	Fuse 33 on fuse holder C -SC33-	25 A	-	Sliding sunroof adjustment control unit -J245-	30a
34	-	Fuse 34 on fuse holder C -SC34-	25 A	-	Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking	30a
35	-	Fuse 35 on fuse holder C -SC35-	-	-	vacant
36	-	Fuse 36 on fuse holder C -SC36-	20 A	-	Headlight washer system relay -J39-	30a
37	-	Fuse 37 on fuse holder C -SC37-	30 A	-	Heated front seats control unit -J774-	30a
38	-	Fuse 38 on fuse holder C -SC38-	10 A	-	Charge pressure control solenoid valve -N75- (CDLA and CDLD)	87a
					Activated charcoal filter system solenoid valve 1 -N80- (CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CDLA and CDLD)
39	-	Fuse 39 on fuse holder C -SC39-	10 A	-	Telephone transmitter and receiver unit -R36- (with stop/start system)	30a
40	-	Fuse 40 on fuse holder C -SC40-	40 A	-	Heater/heat output switch -E16-	75a
					Air conditioning system control unit -J301-
41	-	Fuse 41 on fuse holder C -SC41-	20 A	-	Rear window wiper motor -V12-	75a
42	-	Fuse 42 on fuse holder C -SC42-	20 A	-	Cigarette lighter -U1-	75a
					12 V socket 2 -U18-
43	-	Fuse 43 on fuse holder C -SC43-	15 A	-	Trailer detector control unit -J345-	30a
44	-	Fuse 44 on fuse holder C -SC44-	20 A	-	Trailer detector control unit -J345-	30a
45	-	Fuse 45 on fuse holder C -SC45-	15 A	-	Trailer detector control unit -J345-	30a
46	-	Fuse 46 on fuse holder C -SC46-	-	-	vacant
47	-	Fuse 47 on fuse holder C -SC47-	10 A	-	Lambda probe heater -Z19- (CDLA and CDLD)	87a
48	-	Fuse 48 on fuse holder C -SC48-	10 A	-	Lambda probe 1 heater after catalytic converter -Z29- (CDLA and CDLD)	87a
49		Fuse 49 on fuse holder C -SC49-	-	-	vacant

Back to overview

Position of fuses, from June 2011

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	10 A	-	Diagnosis connection -U31- (T16j/1)	15a
					Headlight range control regulator -E102-
					Air mass meter -G70- (BKD, CAYB, CAYC, CCZB, CDAA, CDLA, CDLD and CEGA)
					Engine control unit -J623- (CGGB)
					Gas mode control unit -J659- (CHGA)
					Cornering light and headlight range control unit -J745-
					Control unit for structure-borne sound -J869- (Cupra and Cupra R only)
					Intake manifold preheating heater element -N51- (BKD, BSF, CEGA and CMXA)
					Heater element for crankcase breather -N79- (CFHC, CFJA and CLCB)
					Left headlight range control motor -V48-
					Right headlight range control motor -V49-
					Heated windscreen -Z2-
					Left washer jet heater element -Z20-
					Right washer jet heater element -Z21-
2	-	Fuse 2 on fuse holder C -SC2-	10 A	-	Light switch -E1-	15a
					Brake pedal position sender -G100-
					ABS control unit -J104-
					Control unit in dash panel insert -J285-
					Terminal 30 voltage supply relay -J317- (BSF, CHGA and CMXA)
					Trailer detector control unit -J345-
					Current supply relay for Simos control unit -J363- (BSF, CHGA and CMXA)
					Parking aid control unit -J446-
					Power steering control unit -J500-
					Voltage stabiliser -J532- (CAYC and CBZB with stop/start system)
					Data bus diagnostic interface -J533-
					Fuel pump control unit -J538- (CAXC, CBZB, CCZB, CDAA, CDLA and CDLD)
					Selector lever sensors control unit -J587- (BKD, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
					Engine control unit -J623- (BKD, BSF, CAXC, CAYB, CAYC, CBZB, CCZB, CDAA, CDLA, CDLD, CEGA, CFHC, CFJA, CHGA, CLCB and CMXA)
					Fuel supply relay -J643- (CGGB)
					Terminal 50 voltage supply relay -J682- (CAYC and CBZB with stop/start system)
					Mechatronic unit for dual clutch gearbox -J743- (BKD, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
					Starter motor relay 2 -J907- (CAYC and CBZB with stop/start system)
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Airbag control unit -J234-	15a
					Front passenger side airbag deactivated warning lamp -K145-
4	-	Fuse 4 on fuse holder C -SC4-	5 A	-	Heater/heat output switch -E16-	15a
					Tyre pressure monitor button -E226-
					TCS and ESP button -E256-
					Stop/start system button -E693- (CAYC and CBZB with stop/start system)
					Reversing light switch -F4-
					High pressure sender -G65-
					Oil level and oil temperature sender -G266-
					Air conditioning system control unit -J301-
					Start/Stop operation warning lamp -K259- (CAYC and CBZB with stop/start system)
					Automatic anti-dazzle interior mirror -Y7-
5	-	Fuse 5 on fuse holder C -SC5-	10 A	-	Power output module for right headlight -J668-	15a
6	-	Fuse 6 on fuse holder C -SC6-	10 A	-	Power output module for left headlight -J667-	15a
7	-	Fuse 7 on fuse holder C -SC7-	-		vacant
8	-	Fuse 8 on fuse holder C -SC8-	-		vacant
9	-	Fuse 9 on fuse holder C -SC9-	-		vacant
10	-	Fuse 10 on fuse holder C -SC10-	-		vacant
11	-	Fuse 11 on fuse holder C -SC11-	-	-	vacant
12	-	Fuse 12 on fuse holder C -SC12-	15 A	-	Driver door control unit -J386- (without Autolock function)	30a
					Front passenger door control unit -J387- (without Autolock function)
					Rear left door control unit -J388- (without Autolock function)
					Rear right door control unit -J389- (without Autolock function)
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	Diagnosis connection -U31- (T16j/16)	30a
					Light switch -E1-
					Rain and light detector sensor -G397-
					Heated rear window relay -J9-
14	-	Fuse 14 on fuse holder C -SC14-	10 A	-	Heater/heat output switch -E16-	30a
					Climatronic control unit -J255-
					Air conditioning system control unit -J301-
					Selector lever sensors control unit -J587- (BKD, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
15	-	Fuse 15 on fuse holder C -SC15-	-	-	vacant
16	-	Fuse 16 on fuse holder C -SC16-	-	-	vacant
17	-	Fuse 17 on fuse holder C -SC17-	5 A	-	Interior monitoring sensor -G273-	30a
					Alarm horn -H12-
					Dual tone horn relay -J4-
					Onboard supply control unit -J519- (via C/1), supply alarm
18	-	Fuse 18 on fuse holder C -SC18-	5 A	-	Control unit in dash panel insert -J285- (with stop/start system)	30a
19	-	Fuse 19 on fuse holder C -SC19-	-	-	vacant
20	-	Fuse 20 on fuse holder C -SC20-	15 A	-	Control unit with display for radio and navigation system -J503- (with stop/start system)	30a
					Radio -R- (with stop/start system)
21	-	Fuse 21 on fuse holder C -SC21-	10 A	-	Fuel pressure regulating valve -N276- (CDLA and CDLD)	87a
22	-	Fuse 22 on fuse holder C -SC22-	40 A	-	Fresh air blower -V2- (Climatronic only)	30a
23	-	Fuse 23 on fuse holder C -SC23-	30 A	-	Driver door control unit -J386-	30a
					Front passenger door control unit -J387-
24	-	Fuse 24 on fuse holder C -SC24-	20 A	-	Onboard supply control unit -J519- (via B/42), supply ignition	30a
25	-	Fuse 25 on fuse holder C -SC25-	25 A	-	Heated rear window relay -J9-	30a
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Rear left door control unit -J388-	30a
					Rear right door control unit -J389-
27	-	Fuse 27 on fuse holder C -SC27-	15 A	-	Fuel pump relay -J17- (BKD, BSF, CAYB, CAYC, CEGA, CFHC, CFJA, CGGB, CHGA, CLCB and CMXA)	30a
					Electric fuel pump 2 relay -J49- (CEGA, CFHC, CFJA and CLCB)
					Current supply relay for Simos control unit -J363- (BSF, CHGA and CMXA)
					Fuel pump control unit -J538- (CAXC, CBZB, CCZB, CDAA, CDLA and CDLD)
					Fuel supply relay -J643- (CGGB)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
28	-	Fuse 28 on fuse holder C -SC28-	30 A	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
29	-	Fuse 29 on fuse holder C -SC29-	-	-	vacant
30	-	Fuse 30 on fuse holder C -SC30-	-	-	vacant
31	-	Fuse 31 on fuse holder C -SC31-	20 A	-	Vacuum pump relay -J57- (BSF)	15a
32	-	Fuse 32 on fuse holder C -SC32-	-	-	vacant
33	-	Fuse 33 on fuse holder C -SC33-	25 A	-	Sliding sunroof adjustment control unit -J245-	30a
34	-	Fuse 34 on fuse holder C -SC34-	25 A	-	Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking	30a
35	-	Fuse 35 on fuse holder C -SC35-	-	-	vacant
36	-	Fuse 36 on fuse holder C -SC36-	20 A	-	Headlight washer system relay -J39-	30a
37	-	Fuse 37 on fuse holder C -SC37-	30 A	-	Heated front seats control unit -J774-	30a
38	-	Fuse 38 on fuse holder C -SC38-	10 A	-	Charge pressure control solenoid valve -N75- (CDLA and CDLD)	87a
					Activated charcoal filter system solenoid valve 1 -N80- (CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CDLA and CDLD)
39	-	Fuse 39 on fuse holder C -SC39-	10 A	-	Telephone transmitter and receiver unit -R36- (with stop/start system)	30a
40	-	Fuse 40 on fuse holder C -SC40-	40 A	-	Heater/heat output switch -E16-	75a
					Air conditioning system control unit -J301-
41	-	Fuse 41 on fuse holder C -SC41-	20 A	-	Rear window wiper motor -V12-	75a
42	-	Fuse 42 on fuse holder C -SC42-	20 A	-	Cigarette lighter -U1-	75a
					12 V socket 2 -U18-
43	-	Fuse 43 on fuse holder C -SC43-	15 A	-	Trailer detector control unit -J345-	30a
44	-	Fuse 44 on fuse holder C -SC44-	20 A	-	Trailer detector control unit -J345-	30a
45	-	Fuse 45 on fuse holder C -SC45-	15 A	-	Trailer detector control unit -J345-	30a
46	-	Fuse 46 on fuse holder C -SC46-	-	-	vacant
47	-	Fuse 47 on fuse holder C -SC47-	10 A	-	Lambda probe heater -Z19- (CDLA and CDLD)	87a
48	-	Fuse 48 on fuse holder C -SC48-	10 A	-	Lambda probe 1 heater after catalytic converter -Z29- (CDLA and CDLD)	87a
49		Fuse 49 on fuse holder C -SC49-	-	-	vacant

Back to overview

Position of fuses, from November 2011

No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	10 A	-	Diagnosis connection -U31- (T16j/1)	15a
					Headlight range control regulator -E102-
					Air mass meter -G70- (CAYB, CAYC, CCZB, CDAA, CDLA, CDLD and CEGA)
					Engine control unit -J623- (CGGB)
					Gas mode control unit -J659- (CHGA)
					Cornering light and headlight range control unit -J745-
					Control unit for structure-borne sound -J869- (Cupra and Cupra R only)
					Intake manifold preheating heater element -N51- (BSE, BSF, CEGA and CMXA)
					Heater element for crankcase breather -N79- (CFHC, CFJA and CLCB)
					Left headlight range control motor -V48-
					Right headlight range control motor -V49-
					Heated windscreen -Z2-
					Left washer jet heater element -Z20-
					Right washer jet heater element -Z21-
2	-	Fuse 2 on fuse holder C -SC2-	10 A	-	Light switch -E1-	15a
					ABS control unit -J104-
					Control unit in dash panel insert -J285-
					Terminal 30 voltage supply relay -J317- (BSE, BSF, CHGA and CMXA)
					Trailer detector control unit -J345-
					Current supply relay for Simos control unit -J363- (BSE, BSF, CHGA and CMXA)
					Parking aid control unit -J446-
					Power steering control unit -J500-
					Voltage stabiliser -J532- (CAYC and CBZB with stop/start system)
					Data bus diagnostic interface -J533-
					Fuel pump control unit -J538- (CAXC, CBZB, CCZB, CDAA, CDLA and CDLD)
					Selector lever sensors control unit -J587- (BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
					Engine control unit -J623- (BSE, BSF, CAXC, CAYB, CAYC, CBZB, CCZB, CDAA, CDLA, CDLD, CEGA, CFHC, CFJA, CHGA, CLCB and CMXA)
					Fuel supply relay -J643- (CGGB)
					Terminal 50 voltage supply relay -J682- (CAYC and CBZB with stop/start system)
					Mechatronic unit for dual clutch gearbox -J743- (BKD, BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
					Starter motor relay 2 -J907- (CAYC and CBZB with stop/start system)
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Airbag control unit -J234-	15a
					Front passenger side airbag deactivated warning lamp -K145-
4	-	Fuse 4 on fuse holder C -SC4-	5 A	-	Heater/heat output switch -E16-	15a
					Tyre pressure monitor button -E226-
					TCS and ESP button -E256-
					Stop/start system button -E693- (CAYC and CBZB with stop/start system)
					Reversing light switch -F4-
					High pressure sender -G65-
					Oil level and oil temperature sender -G266-
					Air conditioning system control unit -J301-
					Start/Stop operation warning lamp -K259- (CAYC and CBZB with stop/start system)
					Automatic anti-dazzle interior mirror -Y7-
5	-	Fuse 5 on fuse holder C -SC5-	10 A	-	Power output module for right headlight -J668-	15a
6	-	Fuse 6 on fuse holder C -SC6-	10 A	-	Power output module for left headlight -J667-	15a
7	-	Fuse 7 on fuse holder C -SC7-	-		vacant
8	-	Fuse 8 on fuse holder C -SC8-	-		vacant
9	-	Fuse 9 on fuse holder C -SC9-	-		vacant
10	-	Fuse 10 on fuse holder C -SC10-	-		vacant
11	-	Fuse 11 on fuse holder C -SC11-	-	-	vacant
12	-	Fuse 12 on fuse holder C -SC12-	15 A	-	Driver door control unit -J386- (without Autolock function)	30a
					Front passenger door control unit -J387- (without Autolock function)
					Rear left door control unit -J388- (without Autolock function)
					Rear right door control unit -J389- (without Autolock function)
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	Diagnosis connection -U31- (T16j/16)	30a
					Light switch -E1-
					Rain and light detector sensor -G397-
					Heated rear window relay -J9-
14	-	Fuse 14 on fuse holder C -SC14-	10 A	-	Heater/heat output switch -E16-	30a
					Climatronic control unit -J255-
					Air conditioning system control unit -J301-
					Selector lever sensors control unit -J587- (BSF, CAYB, CAYC, CCZB, CDAA, CEGA and CFHC)
15	-	Fuse 15 on fuse holder C -SC15-	-	-	vacant
16	-	Fuse 16 on fuse holder C -SC16-	-	-	vacant
17	-	Fuse 17 on fuse holder C -SC17-	5 A	-	Interior monitoring sensor -G273-	30a
					Alarm horn -H12-
					Dual tone horn relay -J4-
					Onboard supply control unit -J519- (via C/1), supply alarm
18	-	Fuse 18 on fuse holder C -SC18-	5 A	-	Control unit in dash panel insert -J285- (with stop/start system)	30a
19	-	Fuse 19 on fuse holder C -SC19-	-	-	vacant
20	-	Fuse 20 on fuse holder C -SC20-	15 A	-	Control unit with display for radio and navigation system -J503- (with stop/start system)	30a
					Radio -R- (with stop/start system)
21	-	Fuse 21 on fuse holder C -SC21-	10 A	-	Fuel pressure regulating valve -N276- (CDLA and CDLD)	87a
22	-	Fuse 22 on fuse holder C -SC22-	40 A	-	Fresh air blower -V2- (Climatronic only)	30a
23	-	Fuse 23 on fuse holder C -SC23-	30 A	-	Driver door control unit -J386-	30a
					Front passenger door control unit -J387-
24	-	Fuse 24 on fuse holder C -SC24-	20 A	-	Onboard supply control unit -J519- (via B/42), supply ignition	30a
25	-	Fuse 25 on fuse holder C -SC25-	25 A	-	Heated rear window relay -J9-	30a
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Rear left door control unit -J388-	30a
					Rear right door control unit -J389-
27	-	Fuse 27 on fuse holder C -SC27-	15 A	-	Fuel pump relay -J17- (BSE, BSF, CAYB, CAYC, CEGA, CFHC, CFJA, CGGB, CHGA, CLCB and CMXA)	30a
					Electric fuel pump 2 relay -J49- (CEGA, CFHC, CFJA and CLCB)
					Current supply relay for Simos control unit -J363- (BSE, BSF, CHGA and CMXA)
					Fuel pump control unit -J538- (CAXC, CBZB, CCZB, CDAA, CDLA and CDLD)
					Fuel supply relay -J643- (CGGB)
					Motronic current supply relay -2- -J670- (CDLA and CDLD)
28	-	Fuse 28 on fuse holder C -SC28-	30 A	-	Driver door control unit -J386- (with Autolock function)	30
					Front passenger door control unit -J387- (with Autolock function)
					Rear left door control unit -J388- (with Autolock function)
					Rear right door control unit -J389- (with Autolock function)
					Onboard supply control unit -J519- (with Autolock function) (via B/1), supply central locking
29	-	Fuse 29 on fuse holder C -SC29-	-	-	vacant
30	-	Fuse 30 on fuse holder C -SC30-	-	-	vacant
31	-	Fuse 31 on fuse holder C -SC31-	20 A	-	Vacuum pump relay -J57- (BSE and BSF)	15a
32	-	Fuse 32 on fuse holder C -SC32-	-	-	vacant
33	-	Fuse 33 on fuse holder C -SC33-	25 A	-	Sliding sunroof adjustment control unit -J245-	30a
34	-	Fuse 34 on fuse holder C -SC34-	25 A	-	Onboard supply control unit -J519- (without Autolock function) (via B/1), supply central locking	30a
35	-	Fuse 35 on fuse holder C -SC35-	-	-	vacant
36	-	Fuse 36 on fuse holder C -SC36-	20 A	-	Headlight washer system relay -J39-	30a
37	-	Fuse 37 on fuse holder C -SC37-	30 A	-	Heated front seats control unit -J774-	30a
38	-	Fuse 38 on fuse holder C -SC38-	10 A	-	Charge pressure control solenoid valve -N75- (CDLA and CDLD)	87a
					Activated charcoal filter system solenoid valve 1 -N80- (CDLA and CDLD)
					Turbocharger air recirculation valve -N249- (CDLA and CDLD)
39	-	Fuse 39 on fuse holder C -SC39-	10 A	-	Telephone transmitter and receiver unit -R36- (with stop/start system)	30a
40	-	Fuse 40 on fuse holder C -SC40-	40 A	-	Heater/heat output switch -E16-	75a
					Air conditioning system control unit -J301-
41	-	Fuse 41 on fuse holder C -SC41-	20 A	-	Rear window wiper motor -V12-	75a
42	-	Fuse 42 on fuse holder C -SC42-	20 A	-	Cigarette lighter -U1-	75a
					12 V socket 2 -U18-
43	-	Fuse 43 on fuse holder C -SC43-	15 A	-	Trailer detector control unit -J345-	30a
44	-	Fuse 44 on fuse holder C -SC44-	20 A	-	Trailer detector control unit -J345-	30a
45	-	Fuse 45 on fuse holder C -SC45-	15 A	-	Trailer detector control unit -J345-	30a
46	-	Fuse 46 on fuse holder C -SC46-	-	-	vacant
47	-	Fuse 47 on fuse holder C -SC47-	10 A	-	Lambda probe heater -Z19- (CDLA and CDLD)	87a
48	-	Fuse 48 on fuse holder C -SC48-	10 A	-	Lambda probe 1 heater after catalytic converter -Z29- (CDLA and CDLD)	87a
49		Fuse 49 on fuse holder C -SC49-	-	-	vacant

Back to overview

SEAT LEON 2013

Overview of coupling stations

Coupling point rear lid left -T5h-, -T5i-

q

Location

Coupling point on left C-pillar -T5b-, -T5g-

Coupling point left engine compartment -T2c-, -T4t-, -T6j-, -T8m-, -T10a-, -T14a-, -T14b- Pin connectors: 1 -  10-pin connector -T10a- , black / 14-pin connector -T14b- , black 2 -  6-pin connector -T6j- , black 3 -  8-pin connector -T8m- , black 4 -  2-pin connector -T2c- , brown / 4-pin connector -T4t- , black 5 -  14-pin connector -T14a- , black

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SEAT LEON 2013 Coupling point on lower part of right A-pillar -T20b- Pin connector: 1 -  20-pin connector -T20b- , black

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SEAT LEON 2013 Coupling point on lower part of right B-pillar -T20f- Pin connector: 1 -  20-pin connector -T20f- , black

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SEAT LEON 2013 Coupling point on right C-pillar -T8l- Pin connector: 1 -  8-pin connector -T8l- , black

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SEAT LEON 2013 Coupling point rear lid right -T5j- Pin connector: 1 -  5-pin connector -T5j- , pink

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SEAT LEON 2013 Coupling point bumper rear centre -T6n- Pin connector: 1 -  6-pin connector -T6n- , black

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SEAT LEON 2013 Coupling point rear lid left -T5h-, -T5i- Pin connectors: 1 -  5-pin connector -T5i- , black 2 -  5-pin connector -T5h- , brown

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SEAT LEON 2013 Coupling point on left C-pillar -T5b-, -T5g- Pin connectors: 1 -  5-pin connector -T5b- , brown 2 -  5-pin connector -T5g- , black

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SEAT LEON 2013 Coupling point on lower part of left B-pillar -T20e- Pin connector: 1 -  20-pin connector -T20e- , black

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SEAT LEON 2013 Coupling point on lower part of left A-pillar T20a Coupling point on lower part of left A-pillar -T20a- Pin connector: 1 -  20-pin connector -T20a- , black

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SEAT LEON 2013

SEAT LEON 2013 Overview of earth points

Overview of earth points

610	Earth point (audio), front under centre console

q

Location

13	Earth point, on right in engine compartment

q

Location

43	Earth point on lower part of right A-pillar

q

Location

47	Earth point, in front right footwell

q

Location

78	Earth point, right B-pillar

q

Location

51	Earth point, on right in luggage compartment

q

Location

666	Earth point, on rear right of roof

q

Location

612	Earth point, centre on rear lid

q	only models with rear window aerial:

q

Location

690	Earth point, rear centre roof frame

q	only models with rear window aerial:

q

Location

667	Earth point, on rear left of roof

q

Location

50	Earth point, on left in luggage compartment

q

Location

77	Earth point, lower part of left B-pillar

q

Location

602	Earth point, in front left footwell

q

Location

44	Earth point on lower part of left A-pillar

q

Location

605	Earth point, on top end of steering column

q

Location

607	Earth point, on left in plenum chamber

q

Location

1	Earth strap, battery - body

q

Location

672	Earth point 2, on front of left longitudinal member

q

Location

671	Earth point 1, on front of left longitudinal member

q

Location

673	Earth point 3, on front of left longitudinal member

q

Location

18	Earth point on engine block

q	only models with engine codes BVY, BVZ, BWA, BWJ, BXW, CAXC, CCZB, CDAA, CDLA and CDLD:

q

Location

652	Earth point, engine and gearbox earth

q

Location

610 Earth point (audio), under centre console, front -arrow-    Torque 9 Nm ±1 Nm Back to overview

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13 Earth point, in engine compartment, right -arrow-    Torque 9 Nm ±1 Nm Back to overview

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43 Earth point in lower part of right A-pillar -arrow A-    Torque 9 Nm ±1 Nm    47 Earth point, in front right footwell -arrow B-    Torque 9 Nm ±1 Nm Back to overview

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78 Earth point on right B-pillar -arrow-    Torque 9 Nm ±1 Nm Back to overview

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51 Earth point, on right in luggage compartment -arrow-    Torque 9 Nm ±1 Nm Back to overview

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666 Earth point, in rear right of roof -arrow- Back to overview

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612 Earth point, centre on rear lid -arrow-   Note: only models with rear window aerial Back to overview

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690 Earth point, rear centre roof frame -arrow-   Note: only models with rear window aerial Back to overview

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667 Earth point, in rear left of roof -arrow- Back to overview

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50 Earth point, on left in luggage compartment -arrow-    Torque 9 Nm ±1 Nm Back to overview

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77 Earth point, lower part of left B-pillar -arrow-    Torque 9 Nm ±1 Nm Back to overview

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44 Earth point in lower part of left A-pillar -arrow A-    Torque 9 Nm ±1 Nm    602 Earth point, in front left footwell -arrow B-    Torque 9 Nm ±1 Nm Back to overview

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605 Earth point, on top end of steering column -arrow-    Torque 5 Nm AD18 Back to overview

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607 Earth point, on left in plenum chamber -arrow-    Torque 9 Nm ±1 Nm Back to overview

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1 Earth strap, battery - body -arrow-    Torque 9 Nm ±1 Nm Back to overview

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672 Earth point 2 at front of left longitudinal member - arrow B-    Torque 9 Nm ±1 Nm

Back to overview

 

18 Earth point on engine block -arrow- Back to overview   Note: Only models with engine codes BVY, BVZ, BWA, BWJ, BXW, CAXC, CCZB, CDAA, CDLA and CDLD

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652 Earth point, engine and gearbox earth -arrow- Back to overview

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SEAT LEON 2013 Overview of relay on relay carrier

Overview of relay on relay carrier    

2 -

q	Relay positions, from May 2009:

q	Relay positions, from June 2010:

q	Relay positions, from June 2011:

q	Relay positions, from November 2011:

3 -	Relay carrier

q	Left dash panel, above onboard supply control unit

q	Relay positions, from March 2009:

q	Relay positions, from May 2009:

q	Relay positions, from November 2009:

q	Relay positions, from June 2010:

q	Relay positions, from November 2010:

q	Relay positions, from November 2011:

4 -	Relay carrier

q	Left dash panel, under onboard supply control unit

q	Relay positions, from March 2009:

q	Relay positions, from May 2009:

q	Relay positions, from November 2009:

q	Relay positions, from June 2010:

q	Relay positions, from November 2010:

q	Relay positions, from June 2011:

q	Relay positions, from November 2011:

Additional relay carrier, under electronics box low, on left of engine compartment, from March 2009  -  Automatic glow period control unit -J179- (Diesel engines) Back to overview

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SEAT LEON 2013

Relay positions, on electronics box low, on left of engine compartment, from March 2009

A1 -	Terminal 30 voltage supply relay -J317- (100)

q	Engines AZV, BKD, BLS, BMM, BMN, BXE, BXF, BXW and CEGA

-	Terminal 30 voltage supply relay -J317- (458)

q	Engines BSE, BSF and CCSA

-	Main relay -J271- (100)

q	Engines BVY, BVZ, BWA, BWJ, CAXC and CDAA

A2 -	Secondary air pump relay -J299- (100)

q	Engines BSE and CCSA

-	Engine component current supply relay -J757- (100)

q	Engine CDAA

-	Additional coolant pump relay -J496- (100)

q	Engine CAXC

-	Push-in bridge -TV23-

q	diesel engines

Back to overview

SEAT LEON 2013

Relay positions, on electronics box low, on left of engine compartment, from May 2009

A1 -	Terminal 30 voltage supply relay -J317- (100)

q	Engines AZV, BKD, BLS, BMM, BXE, BXF, BXW, CAYC and CEGA

-	Terminal 30 voltage supply relay -J317- (458)

q	Engines BSE, BSF, CCSA and CHGA

-	Main relay -J271- (100)

q	Engines CAXC, CCZB, CDAA, CDLA and CDLD

A2 -	Secondary air pump relay -J299- (100)

q	Engines BSE, CCSA and CHGA

-	Engine component current supply relay -J757- (100)

q	Engines CCZB and CDAA

-	Additional coolant pump relay -J496- (100)

q	Engine CAXC

-	Push-in bridge -TV23-

q	diesel engines

Back to overview

SEAT LEON 2013

Relay positions, on electronics box low, on left of engine compartment, from June 2010

A1 -	Terminal 30 voltage supply relay -J317- (100)

q	Engines AZV, BKD, BLS, BMM, BXE, BXF, CAYB, CAYC, CEGA, CFHC, CFJA and CGGB

-	Terminal 30 voltage supply relay -J317- (458)

q	Engines BSE, BSF, CCSA, CHGA and CMXA

-	Main relay -J271- (100)

q	Engines CAXC, CBZB, CCZB, CDAA, CDLA and CDLD

A2 -	Secondary air pump relay -J299- (100)

q	Engines BSE, CCSA, CHGA and CMXA

-	Engine component current supply relay -J757- (100)

q	Engines CCZB and CDAA

-	Additional coolant pump relay -J496- (100)

q	Engines CAXC and CBZB

-	Push-in bridge -TV23-

q	diesel engines

Back to overview

SEAT LEON 2013

Relay positions, on electronics box low, on left of engine compartment, from June 2011

A1 -	Terminal 30 voltage supply relay -J317- (100)

q	Engines BKD, CAYB, CAYC, CEGA, CFHC, CFJA, CGGB and CLCB

-	Terminal 30 voltage supply relay -J317- (458)

q	Engines BSF, CHGA and CMXA

-	Main relay -J271- (100)

q	Engines CAXC, CBZB, CCZB, CDAA, CDLA and CDLD

A2 -	Secondary air pump relay -J299- (100)

q	Engines CHGA and CMXA

-	Engine component current supply relay -J757- (100)

q	Engines CCZB and CDAA

-	Additional coolant pump relay -J496- (100)

q	Engines CAXC and CBZB

-	Push-in bridge -TV23-

q	diesel engines

Back to overview

SEAT LEON 2013

Relay positions, on electronics box low, on left of engine compartment, from November 2011

A1 -	Terminal 30 voltage supply relay -J317- (100)

q	Engines CAYB, CAYC, CEGA, CFHC, CFJA, CGGB and CLCB

-	Terminal 30 voltage supply relay -J317- (458)

q	Engines BSE, BSF, CHGA and CMXA

-	Main relay -J271- (100)

q	Engines CAXC, CBZB, CCZB, CDAA, CDLA and CDLD

A2 -	Secondary air pump relay -J299- (100)

q	Engines CHGA and CMXA

-	Engine component current supply relay -J757- (100)

q	Engines CCZB and CDAA

-	Additional coolant pump relay -J496- (100)

q	Engines CAXC and CBZB

-	Push-in bridge -TV23-

q	diesel engines

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, above onboard supply control unit, from March 2009

1 -	Terminal 50 voltage supply relay -J682- (373) 9-pin connector -T9a- black

2 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines AZV, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF, BXW, CCSA and CEGA

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engine CEGA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engine CDAA

-	Circulation pump relay -J160- (404) 10-pin connector -T10e- black

q	Engines BWA and BWJ

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF and CCSA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine BXW

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines BWA and BWJ

3 -	High heat output relay -J360- (370) 6-pin connector -T6r- black

q	diesel engines

4 -	Low heat output relay -J359- (373) 9-pin connector -T9b- black

q	diesel engines

5 -	Heated windscreen relay -J47- (404) 10-pin connector -T10p- black

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, above onboard supply control unit, from May 2009

1 -	Terminal 50 voltage supply relay -J682- (373) 9-pin connector -T9a- black

2 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, BXW, CCSA, CEGA and CHGA

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engine CEGA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engines CCZB, CDAA, CDLA and CDLD

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF, CCSA and CHGA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine BXW

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines CDLA and CDLD

3 -	High heat output relay -J360- (370) 6-pin connector -T6r- black

q	diesel engines

4 -	Low heat output relay -J359- (373) 9-pin connector -T9b- black

q	diesel engines

5 -	Heated windscreen relay -J47- (404) 10-pin connector -T10p- black

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, above onboard supply control unit, from November 2009

1 -	Terminal 50 voltage supply relay -J682- (643) 9-pin connector -T9a- black

2 -	Low heat output relay -J359- (373) 9-pin connector -T9b- black

q	diesel engines

3 -	High heat output relay -J360- (370) 6-pin connector -T6r- black

q	diesel engines

4 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, BXW, CAYC, CCSA, CEGA and CHGA

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engine CEGA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engines CCZB, CDAA, CDLA and CDLD

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF, CCSA and CHGA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine BXW

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines CDLA and CDLD

-	Intake manifold preheating relay -J81- (449) 10-pin connector -T10e- black

q	Engine CAYC

5 -	Heated windscreen relay -J47- (404) 10-pin connector -T10p- black

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, above onboard supply control unit, from June 2010

1 -	Terminal 50 voltage supply relay -J682- (643) 9-pin connector -T9a- black

2 -	Low heat output relay -J359- (373) 9-pin connector -T9b- black

q	diesel engines

3 -	High heat output relay -J360- (370) 6-pin connector -T6r- black

q	diesel engines

4 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CAYC, CCSA, CEGA, CHGA and CGGB

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engine CEGA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engines CCZB, CDAA, CDLA and CDLD

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF, CCSA and CHGA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine CGGB

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines CDLA and CDLD

-	Intake manifold preheating relay -J81- (449) 10-pin connector -T10e- black

q	Engine CAYC

5 -	Heated windscreen relay -J47- (404) 10-pin connector -T10p- black

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, above onboard supply control unit, from November 2010

1 -	Terminal 50 voltage supply relay -J682- (643) 9-pin connector -T9a- black

2 -	Low heat output relay -J359- (373) 9-pin connector -T9b- black

q	diesel engines

3 -	High heat output relay -J360- (370) 6-pin connector -T6r- black

q	diesel engines

4 -	Heated rear window relay -J9- (373) 9-pin connector -T9e- black

5 -	Heated windscreen relay -J47- (404) 10-pin connector -T10p- black

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, above onboard supply control unit, from November 2011

1 -	Terminal 50 voltage supply relay -J682- (643) 9-pin connector -T9a- black

2 -	Low heat output relay -J359- (373) 9-pin connector -T9b- black

3 -	High heat output relay -J360- (370) 6-pin connector -T6r- black

4 -	Heated rear window relay -J9- (373) 9-pin connector -T9e- black

5 -	Heated windscreen relay -J47- (404) 10-pin connector -T10p- black

Back to overview

SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from March 2009

1 -

vacant

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Heated rear window relay -J9- (373) 9-pin connector -T9e- black

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from May 2009

1 -

vacant

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Heated rear window relay -J9- (373) 9-pin connector -T9e- black

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from November 2009

1 -	Starter motor relay 2 -J907- (433) 6-pin connector -T6ae- brown

q	Engine CAYC with stop/start system

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Heated rear window relay -J9- (373) 9-pin connector -T9e- black

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from June 2010

1 -	Starter motor relay 2 -J907- (433) 6-pin connector -T6ae- brown

q	Engines CAYB, CAYC and CBZB with stop/start system

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Heated rear window relay -J9- (373) 9-pin connector -T9e- black

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from November 2010

1 -	Starter motor relay 2 -J907- (433) 6-pin connector -T6ae- brown

q	Engines CAYB, CAYC and CBZB with stop/start system

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines AZV, BKD, BLS, BMM, BSE, BSF, BXE, BXF, CAYB, CAYC, CCSA, CEGA, CFHC, CFJA, CHGA, CGGB and CMXA

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engines CEGA, CFHC and CFJA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engines CCZB, CDAA, CDLA and CDLD

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF, CCSA, CHGA and CMXA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine CGGB

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines CDLA and CDLD

-	Intake manifold preheating relay -J81- (449) 10-pin connector -T10e- black

q	Engines CAYB and CAYC

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from June 2011

1 -	Starter motor relay 2 -J907- (433) 6-pin connector -T6ae- brown

q	Engines CAYC and CBZB with stop/start system

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines BKD, BSF, CAYB, CAYC, CEGA, CFHC, CFJA, CHGA, CGGB, CLCB and CMXA

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engines CEGA, CFHC and CFJA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engines CCZB, CDAA, CDLA and CDLD

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSF, CHGA and CMXA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine CGGB

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines CDLA and CDLD

-	Intake manifold preheating relay -J81- (449) 10-pin connector -T10e- black

q	Engines CAYB and CAYC

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013

Relay positions relay carrier, left dash panel, under onboard supply control unit, from November 2011

1 -	Starter motor relay 2 -J907- (433) 6-pin connector -T6ae- brown

q	Engines CAYC and CBZB with stop/start system

2 -	X-contact relief relay -J59- (373) 9-pin connector -T9d- black

3 -	Dual tone horn relay -J4- (449) 10-pin connector -T10s- black

-	Headlight washer system relay -J39- (449) 10-pin connector -T10s- black

4 -	Fuel pump relay -J17- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF, CAYB, CAYC, CEGA, CFHC, CFJA, CHGA, CGGB, CLCB and CMXA

-	Electric fuel pump 2 relay -J49- (404) 10-pin connector -T10e- black

q	Engines CEGA, CFHC and CFJA

-	Continued coolant circulation relay -J151- (404) 10-pin connector -T10e- black

q	Engines CCZB, CDAA, CDLA and CDLD

-	Current supply relay for Simos control unit -J363- (404) 10-pin connector -T10e- black

q	Engines BSE, BSF, CHGA and CMXA

-	Fuel supply relay -J643- (404) 10-pin connector -T10e- black

q	Engine CGGB

-	Motronic current supply relay -2- -J670- (404) 10-pin connector -T10e- black

q	Engines CDLA and CDLD

-	Intake manifold preheating relay -J81- (449) 10-pin connector -T10e- black

q	Engines CAYB and CAYC

5 -	Terminal 15 voltage supply relay 2 -J681- (373) 9-pin connector -T9c- black

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SEAT LEON 2013 Control units overview

Control units overview

q	26-pin connector assigment

q	47-pin connector assigment

q	80-pin connector assigment

q	121-pin connector assigment

q	154-pin connector assigment

q	Connector assigment

q	Connector assigment, from May 2009 (Cupra and Cupra R only)

q	Connector assigment

from November 2010 (only engine CHGA)

q

Location

q	Connector assigment

q	Connector assigment, from March 2009 (only for left-handdrive vehicles)

q	Connector assigment, from March 2009 (only for right-handdrive vehicles)

q	Connector assigment, from May 2009

ABS control unit -J104- Location: in engine compartment, right -arrow- Back to overview

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26-pin connector assigment:

A -	ABS control unit -J104-

Pin connector:

B -	26-pin connector -T26a-

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47-pin connector assigment:

A -	ABS control unit -J104-

Pin connector:

B -	47-pin connector -T47a-

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SEAT LEON 2013 Engine control unit J623 Engine control unit -J623- Location: In centre plenum chamber -arrow- Back to overview

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Connector assigment:

A -	Engine control unit -J623-

q	Engines BXW and CGGB

Pin connectors:

B -	52-pin connector -T80a-

C -	28-pin connector -T80a-

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Connector assigment:

A -	Engine control unit -J623-

q	Engines BSE, BSF, CCSA, CHGA and CMXA

Pin connectors:

B -	81-pin connector -T121a-

C -	40-pin connector -T121a-

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Connector assigment:

A -	Engine control unit -J623-

q	Engines AZV, BKD, BLS, BMM, BMN, BVY, BVZ, BWA, BWJ, BXE, BXF, CAXC, CAYB, CAYC, CBZB, CCZB, CDAA, CDLA, CDLD, CEGA, CFHC, CFJA and CLCB

Pin connectors:

B -	94-pin connector -T94a-

C -	60-pin connector -T60a-

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SEAT LEON 2013 Automatic gearbox control unit J217 Automatic gearbox control unit -J217- Location: In front left wheel housing -arrow- Back to overview

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Connector assigment:

A -	Automatic gearbox control unit -J217-

q	Engines BVY and BVZ

Pin connector:

B -	52-pin connector -T52d-

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SEAT LEON 2013 Control unit for structure-borne sound J869 Control unit for structure-borne sound -J869- Location: On left in plenum chamber -arrow- Back to overview

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Connector assigment:

A -	Control unit for structure-borne sound -J869-

Pin connector:

B -	12-pin connector -T12c-

From May 2009 (Cupra and Cupra R only)

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SEAT LEON 2013 Gas mode control unit J659 Gas mode control unit -J659- Location: In centre plenum chamber -arrow-   Note: from November 2009 Back to overview

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Connector assigment:

A -	Gas mode control unit -J659-

q	Motor CHGA

Pin connector:

B -	56-pin connector -T56a-

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Location:

under the longitudinal member on left in engine compartment -arrow-   Note: from November 2010 Back to overview

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Connector assigment:

A -	Gas mode control unit -J659-

q	Motor CHGA

Pin connector:

B -	32-pin connector -T32d-

C -	48-pin connector -T48a-

D -

vacant

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SEAT LEON 2013 Power steering control unit J500 Power steering control unit -J500- Location: on front drive carrier -arrow- Back to overview

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Connector assigment:

A -	Power steering control unit -J500-

Pin connectors:

B -	5-pin connector -T5e-

q	T5e/1 = Drive train CAN, low

q	T5e/2 = Drive train CAN, high

q	T5e/3 = vacant

q	T5e/4 = Terminal 15 voltage supply

q	T5e/5 = vacant

C -	5-pin connector -T5f-

q	T5f/1 = vacant

q	T5f/2 = Steering angle sender shaft speed sender

q	T5f/3 = Steering angle sender shaft speed sender

q	T5f/4 = Steering angle sender shaft speed sender

q	T5f/5 = Steering angle sender shaft speed sender

D -	2-pin connector -T2a-

q	T2a/1 = Earth, terminal 31, power steering motor

q	T2a/2 = Terminal 30 voltage supply, power steering motor

from March 2009 (only for left-handdrive vehicles)

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Connector assigment:

A -	Power steering control unit -J500-

Pin connectors:

B -	3-pin connector -T3t-

q	T3t/1 = Drive train CAN, low

q	T3t/2 = Drive train CAN, high

q	T3t/3 = Terminal 15 voltage supply

C -	5-pin connector -T5f-

q	T5f/1 = Steering angle sender shaft speed sender

q	T5f/2 = Steering angle sender shaft speed sender

q	T5f/3 = Steering angle sender shaft speed sender

q	T5f/4 = Steering angle sender shaft speed sender

q	T5f/5 = Steering angle sender shaft speed sender

D -	2-pin connector -T2a-

q	T2a/1 = Earth, terminal 31, power steering motor

q	T2a/2 = Terminal 30 voltage supply, power steering motor

from March 2009 (only for right-handdrive vehicles)

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Connector assigment:

A -	Power steering control unit -J500-

Pin connectors:

B -	3-pin connector -T3t-

q	T3t/1 = Drive train CAN, low

q	T3t/2 = Drive train CAN, high

q	T3t/3 = Terminal 15 voltage supply

C -	5-pin connector -T5f-

q	T5f/1 = Steering angle sender shaft speed sender

q	T5f/2 = Steering angle sender shaft speed sender

q	T5f/3 = Steering angle sender shaft speed sender

q	T5f/4 = Steering angle sender shaft speed sender

q	T5f/5 = Steering angle sender shaft speed sender

D -	2-pin connector -T2a-

q	T2a/1 = Earth, terminal 31, power steering motor

q	T2a/2 = Terminal 30 voltage supply, power steering motor

from May 2009

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