SEAT LEON 2012 — Radiator fan, one-speed . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2012 - Battery - Terminal 30 voltage supply relay - Fuse holder B

A	Battery
B	Starter
C	Alternator
J271	Main relay, on left in engine compartment (low box)
J317	Terminal 30 voltage supply relay, on left in engine compartment (low box)
J519	Onboard supply control unit
SA1	Fuse 1 in fuse holder A, on left in engine compartment (low box)
SA3	Fuse 3 in fuse holder A, on left in engine compartment (low box)
SB	Fuse holder B, on left in engine compartment (low box)
SB24	Fuse 24 on fuse holder B
T40a	40-pin connector
1	Earth strap, battery - body
507	Threaded connection (30), on battery fuse holder
D180	Connection (87a), in engine compartment wiring harness
*	Only models with 90 A/ 110 A alternator
*2	Only models with 140A alternator

Wiring Diagram SEAT LEON 2012 - Radiator fan thermal switch - Radiator fan

F18	Radiator fan thermal switch
J519	Onboard supply control unit
J623	Engine control unit
T3t	3-pin connector
T4b	4-pin connector, on radiator fan
T80a	80-pin connector
T121a	121-pin connector
V7	Radiator fan
671	Earth point 1, on front of left longitudinal member
D167	Connection (fan stage I), in engine compartment wiring harness
D180	Connection (87a), in engine compartment wiring harness
*	Only models with air conditioning system/ Climatronic

SEAT LEON 2012 Overview of relay on relay carrier

Overview of relay on relay carrier    

1 -	Additional relay carrier

q	under electronics box low, in left engine compartment

q	Relay positions, from March 2009: → Chapter

2 -	Relay on electronics box low

q	in left engine compartment

q	Relay positions, from March 2009: → Chapter

q	Relay positions, from May 2009: → Chapter

q	Relay positions, from June 2010: → Chapter

q	Relay positions, from June 2011: → Chapter

q	Relay positions, from November 2011: → Chapter

3 -	Relay carrier

q	Left dash panel, above onboard supply control unit

q	Relay positions, from March 2009: → Chapter

q	Relay positions, from May 2009: → Chapter

q	Relay positions, from November 2009: → Chapter

q	Relay positions, from June 2010: → Chapter

q	Relay positions, from November 2010: → Chapter

q	Relay positions, from November 2011: → Chapter

4 -	Relay carrier

q	Left dash panel, under onboard supply control unit

q	Relay positions, from March 2009: → Chapter

q	Relay positions, from May 2009: → Chapter

q	Relay positions, from November 2009: → Chapter

q	Relay positions, from June 2010: → Chapter

q	Relay positions, from November 2010: → Chapter

q	Relay positions, from June 2011: → Chapter

q	Relay positions, from November 2011: → Chapter

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 → Anchor

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SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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 → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012

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

Back to overview → Anchor

SEAT LEON 2012 Control units overview

Control units overview

1 -	Airbag control unit -J234-

q	Location → Chapter

q	Connector assigment → Chapter

2 -	Voltage stabiliser -J532-

q	From November 2009:

q	Location → Chapter

q	10-pin connector assigment → Chapter

q	From June 2011:

q	Location → Chapter

q	12-pin connector assigment → Chapter

3 -	Front passenger door control unit -J387-

q	Location → Chapter

q	Connector assigment → Chapter

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

q	Location → Chapter

q	Connector assigment → Chapter

5 -	Rear right door control unit -J389-

q	Location → Chapter

q	Connector assigment → Chapter

6 -	Fuel pump control unit -J538-

q	Location → Chapter

q	Connector assigment → Chapter

7 -	Rear left door control unit -J388-

q	Location → Chapter

q	Connector assigment → Chapter

8 -	Sliding sunroof adjustment control unit -J245-

q	Location → Chapter

q	Connector assigment → Chapter

9 -	Driver door control unit -J386-

q	Location → Chapter

q	Connector assigment → Chapter

10 -	Steering column electronics control unit -J527-

q	From March 2009:

q	Location → Chapter

q	Connector assigment → Chapter

q	From June 2010:

q	Location → Chapter

q	Connector assigment → Chapter

11 -	Onboard supply control unit -J519-

q	Location → Chapter

q	Connector assigment → Chapter

q	Description of signal → Chapter

12 -	Control unit in dash panel insert -J285-

q	Location → Chapter

q	Connector assigment → Chapter

13 -	Data bus diagnostic interface -J533-

q	Location → Chapter

q	Connector assigment → Chapter

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

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Connector assigment:

A -	Airbag control unit -J234-

Pin connector:

B -	100-pin connector -T100a-

Back to overview → Anchor

SEAT LEON 2012 Voltage stabiliser J532 Voltage stabiliser -J532- Location: behind the glove compartment, front passenger side -arrow-   Note from November 2009 Back to overview → Anchor

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10-pin connector assigment:

A -	Voltage stabiliser -J532-

Pin connector:

B -	10-pin connector -T10t-

Back to overview → Anchor

SEAT LEON 2012 Voltage stabiliser J532 Voltage stabiliser -J532- Location: behind the glove compartment, front passenger side -arrow-   Note from June 2011 Back to overview → Anchor

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12-pin connector assigment:

A -	Voltage stabiliser -J532-

Pin connector:

B -	12-pin connector -T12i-

Back to overview → Anchor

SEAT LEON 2012 Front passenger door control unit J387 Front passenger door control unit -J387- Location: in front passenger door -arrow- Back to overview → Anchor

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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 → Anchor

SEAT LEON 2012 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 → Anchor

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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 → Anchor

SEAT LEON 2012 Rear right door control unit J389 Rear right door control unit -J389- Location: on rear right door -arrow- Back to overview → Anchor

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Connector assigment:

A -	Rear right door control unit -J389-

Pin connector:

B -	18-pin connector -T18c-

Back to overview → Anchor

SEAT LEON 2012 Fuel pump control unit -J538- Location: Under rear seat, right, on fuel delivery unit -arrow- Back to overview → Anchor

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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 → Anchor

SEAT LEON 2012 Rear left door control unit -J388- Location: on rear left door -arrow- Back to overview → Anchor

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Connector assigment:

A -	Rear left door control unit -J388-

Pin connector:

B -	18-pin connector -T18b-

Back to overview → Anchor

SEAT LEON 2012 Sliding sunroof adjustment control unit -J245- Location: Behind front interior light -arrow- Back to overview → Anchor

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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 → Anchor

SEAT LEON 2012 Driver door control unit -J386- Location: In driver door -arrow- Back to overview → Anchor

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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 → Anchor

SEAT LEON 2012 Steering column electronics control unit -J527- Location: On steering column -arrow-   Note from March 2009 Back to overview → Anchor

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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 → Anchor

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

Back to overview → Anchor

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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 → Anchor

SEAT LEON 2012 Onboard supply control unit -J519- Location: Left under dash panel, on centre relay carrier -arrow- Back to overview → Anchor

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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 → Anchor

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 → Anchor

SEAT LEON 2012 Control unit in dash panel insert -J285- Location: in dash panel -arrow- Back to overview → Anchor

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Connector assigment:

A -	Control unit in dash panel insert -J285-

Pin connector:

B -	32-pin connector -T32b-

Back to overview → Anchor

SEAT LEON 2012 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 → Anchor

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Connector assigment:

A -	Data bus diagnostic interface -J533-

Pin connector:

B -	20-pin connector -T20k-

Back to overview → Anchor

SEAT LEON 2012 Overview of fuses

Overview of fuses

1 -	Fuses (SA), in electronics box low

q	Location → Chapter

q	Position of fuses, from March 2009: → Chapter

q	Position of fuses, from November 2010: → Chapter

2 -	Fuses (SB), in electronics box low

q	Location → Chapter

q	Position of fuses, from March 2009: → Chapter

q	Position of fuses, from May 2009: → Chapter

q	Position of fuses, from June 2010: → Chapter

q	Position of fuses, from June 2011: → Chapter

q	Position of fuses, from November 2011: → Chapter

3 -	Fuses (SC) on fuse holder C

q	Location → Chapter

q	Position of fuses, from March 2009: → Chapter

q	Position of fuses, from May 2009: → Chapter

q	Position of fuses, from June 2010: → Chapter

q	Position of fuses, from June 2011: → Chapter

q	Position of fuses, from November 2011: → Chapter

SEAT LEON 2012 Fuses (SA) on electronics box low, in left engine compartment

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

Back to overview → Anchor

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 → Anchor

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

Back to overview → Anchor

SEAT LEON 2012 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 → Anchor

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 → Anchor

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 → Anchor

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 → Anchor

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

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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

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SEAT LEON 2012 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 → Anchor

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 → Anchor

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 → Anchor

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 → Anchor

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 → Anchor

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 → Anchor

SEAT LEON 2012

SEAT LEON 2012 Overview of earth points

Overview of earth points

610	Earth point (audio), front under centre console

q	Location → Anchor

13	Earth point, on right in engine compartment

q	Location → Anchor

43	Earth point on lower part of right A-pillar

q	Location → Anchor

47	Earth point, in front right footwell

q	Location → Anchor

78	Earth point, right B-pillar

q	Location → Anchor

51	Earth point, on right in luggage compartment

q	Location → Anchor

666	Earth point, on rear right of roof

q	Location → Anchor

612	Earth point, centre on rear lid

q	only models with rear window aerial:

q	Location → Anchor

690	Earth point, rear centre roof frame

q	only models with rear window aerial:

q	Location → Anchor

667	Earth point, on rear left of roof

q	Location → Anchor

50	Earth point, on left in luggage compartment

q	Location → Anchor

77	Earth point, lower part of left B-pillar

q	Location → Anchor

602	Earth point, in front left footwell

q	Location → Anchor

44	Earth point on lower part of left A-pillar

q	Location → Anchor

605	Earth point, on top end of steering column

q	Location → Anchor

607	Earth point, on left in plenum chamber

q	Location → Anchor

1	Earth strap, battery - body

q	Location → Anchor

672	Earth point 2, on front of left longitudinal member

q	Location → Anchor

671	Earth point 1, on front of left longitudinal member

q	Location → Anchor

673	Earth point 3, on front of left longitudinal member

q	Location → Anchor

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 → Anchor

652	Earth point, engine and gearbox earth

q	Location → Anchor

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

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

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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 → Anchor

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

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

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

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

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

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

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

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

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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 → Anchor

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

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

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

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671 Earth point 1 at front of left longitudinal member -arrow A-    Torque 9 Nm ±1 Nm    672 Earth point 2 at front of left longitudinal member - arrow B-    Torque 9 Nm ±1 Nm    673 Earth point 3 at front of left longitudinal member -arrow C- Back to overview → Anchor

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18 Earth point on engine block -arrow- Back to overview → Anchor   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 → Anchor

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SEAT LEON 2012 Control units overview

Control units overview

1 -	ABS control unit -J104-

q	Location → chapter

q	26-pin connector assigment → chapter

q	47-pin connector assigment → chapter

2 -	Engine control unit -J623-

q	Location → chapter

q	80-pin connector assigment → chapter

q	121-pin connector assigment → chapter

q	154-pin connector assigment → chapter

3 -	Automatic gearbox control unit -J217-

q	Location → chapter

q	Connector assigment → chapter

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

q	Location → chapter

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

5 -	Gas mode control unit -J659-

from November 2009 (only engine CHGA)

q	Location → chapter

q	Connector assigment → chapter

from November 2010 (only engine CHGA)

q	Location → chapter

q	Connector assigment → chapter

6 -	Power steering control unit -J500-

q	Location → chapter

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

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

q	Connector assigment, from May 2009 → chapter

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

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26-pin connector assigment:

A -	ABS control unit -J104-

Pin connector:

B -	26-pin connector -T26a-

Back to overview → Anchor

47-pin connector assigment:

A -	ABS control unit -J104-

Pin connector:

B -	47-pin connector -T47a-

Back to overview → Anchor

SEAT LEON 2012 Engine control unit J623 Engine control unit -J623- Location: In centre plenum chamber -arrow- Back to overview → Anchor

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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-

Back to overview → Anchor

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-

Back to overview → Anchor

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-

Back to overview → Anchor

SEAT LEON 2012 Automatic gearbox control unit J217 Automatic gearbox control unit -J217- Location: In front left wheel housing -arrow- Back to overview → Anchor

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Connector assigment:

A -	Automatic gearbox control unit -J217-

q	Engines BVY and BVZ

Pin connector:

B -	52-pin connector -T52d-

Back to overview → Anchor

SEAT LEON 2012 Control unit for structure-borne sound J869 Control unit for structure-borne sound -J869- Location: On left in plenum chamber -arrow- Back to overview → Anchor

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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)

Back to overview → Anchor

SEAT LEON 2012 Gas mode control unit J659 Gas mode control unit -J659- Location: In centre plenum chamber -arrow-   Note: from November 2009 Back to overview → Anchor

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Connector assigment:

A -	Gas mode control unit -J659-

q	Motor CHGA

Pin connector:

B -	56-pin connector -T56a-

Back to overview → Anchor

Location:

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

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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

Back to overview → Anchor

SEAT LEON 2012 Power steering control unit J500 Power steering control unit -J500- Location: on front drive carrier -arrow- Back to overview → Anchor

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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)

Back to overview → Anchor

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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