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WIRING-DIAGRAMS

SEAT LEON 2008 – Auxiliary heater . Wiring diagrams, Pin Connector, Location

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Wiring Diagram SEAT LEON 2008 - Auxiliary air heater element - high heat output relay - low heat output relay - diesel direct injection system control unit



Wiring Diagram SEAT LEON 2008 - Auxiliary air heater element - high heat output relay - low heat output relay - diesel direct injection system control unit Download PDF file
ABattery
E16Heater/heat output switch
J248Diesel direct injection system control unit, in centre plenum chamber
J317Terminal 30 voltage supply relay, on electronics box, on left in engine compartment (100)
J359Low heat output relay, on relay carrier on left of dash panel (373)
J360High heat output relay, on relay carrier on left of dash panel (370)
J519Onboard supply control unit
Z35Auxiliary heater element
  507 Screw connection (30), on fuse holder on battery
  A176 Connection (auxiliary heater), in dash panel wiring harness
  D183 Connection 4 (87a), in engine compartment wiring harness
*only models without air conditioning system or Climatronic


SEAT LEON 2008



SEAT LEON 2008 Control units overview

Control units overview
   
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
q   26-pin connector assigment
q   26-pin connector
q   47-pin connector assigment
q   47-pin connector
q   Connector assigment
q   Connector

   
Download PDF file
3 - 
q   Connector assigment (Simos control unit -J361-)
q   Connector (Simos control unit -J361-)
q   Connector assigment (Motronic control unit -J220-)
q   Connector (Motronic control unit -J220-)
q   Connector assigment (diesel direct injection system control unit -J248-)
q   Connector (diesel direct injection system control unit -J248-)
q   Connector assigment (4HV control unit -J537-)
q   Connector (4HV control unit -J537-)
q   Connector assigment (engine control unit -J623-)
q   Connector (engine control unit -J623-)

   
Download PDF file
q   Connector assigment
q   Connector
q   From May 2008 (only for right-handdrive vehicles):
q   Location
q   Connector assigment
q   Connector

   
ABS control unit with EDL -J104-    
Download PDF file
26-pin connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  ABS control unit with EDL -J104-

León Fitting Locations No.  804 / 6
   
47-pin connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  ABS control unit with EDL and ESP -J104-

León Fitting Locations No.  804 / 7
Location:
Under front left wing -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Automatic gearbox control unit -J217-
q   Engines BLR, BVY and BVZ

León Fitting Locations No.  804 / 9
Location:
In centre plenum chamber -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment (Simos control unit -J361-):
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Simos control unit -J361-
q   Engines BSE, BSF and CCSA

León Fitting Locations No.  804 / 11
   
Connector assigment (Motronic control unit -J220-):
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Motronic control unit -J220-
q   Engines BLR, BVY, BVZ, BWA and BWJ

León Fitting Locations No.  804 / 12
   
Connector assigment (Diesel direct injection system control unit -J248-):
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Diesel direct injection system control unit -J248-
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF

León Fitting Locations No.  804 / 13
   
Connector assigment (4HV control unit -J537-):
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  4HV control unit -J537-
q   Engine BXW

León Fitting Locations No.  804 / 14
   
Connector assigment (engine control unit -J623-):
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Engine control unit -J623-
q   Engine BZB and CAXC

León Fitting Locations No.  804 / 15
Location:
On the steering on the assembly carrier, centre -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Power steering control unit -J500-

León Fitting Locations No.  804 / 17
   
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Power steering control unit -J500-

SEAT LEON 2008 Overview of relay on relay carrier

Overview of relay on relay carrier
   
SEAT LEON 2008 Overview of relay on relay carrierGet access to all wiring diagrams of the carDownload PDF file
q   from November 2005:
q   Position of relays
q   from May 2006:
q   Position of relays
q   from November 2006:
q   Position of relays
q   from May 2007:
q   Position of relays
2 - 
q   from November 2005:
q   Position of relays
q   from May 2006:
q   Position of relays
q   from November 2006:
q   Position of relays
q   from May 2007:
q   Position of relays
q   from November 2007:
q   Position of relays

   
Download PDF file
3 - 
q   from November 2005:
q   Position of relays
q   from May 2006:
q   Position of relays
q   from November 2006:
q   Position of relays
q   from May 2008:
q   Position of relays
4 - 
q   from November 2005:
q   Position of relays
q   from May 2006:
q   Position of relays
q   from November 2006:
q   Position of relays
q   from May 2007:
q   Position of relays
q   from November 2007:
q   Position of relays
q   from May 2008:
q   Position of relays

   
Download PDF file
C1 -  Vacant
C2 -  Automatic glow period control unit -J179- (461)
q   Engines AZV, BKC and BKD
C3 -  Vacant
C4 -  Vacant
C5 -  Vacant
C6 -  Vacant

   

SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from November 2005

Additional relay carrier, under electronics box, on left of engine compartment, from November 2005
Automatic glow period control unit -J179- (engines AZV, BKC, BKD, BLS, BMM and BXE)
 
SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from November 2005Get access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from May 2006

Additional relay carrier, under electronics box, on left of engine compartment, from May 2006
Automatic glow period control unit -J179- (engines AZV, BKC, BKD, BLS, BMM, BMN and BXE)
 
SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from May 2006Get access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from November 2006

Additional relay carrier, under electronics box, on left of engine compartment, from November 2006
Automatic glow period control unit -J179- (engines AZV, BKC, BKD, BLS, BMM, BMN and BXE)
 
SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from November 2006Get access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from May 2007

Additional relay carrier, under electronics box, on left of engine compartment, from May 2007
Automatic glow period control unit -J179- (engines AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXF)
 
SEAT LEON 2008 Additional relay carrier, under electronics box, on left of engine compartment, from May 2007Get access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2008 Relay locations on electronics box on electronics box, on left of engine compartment, from April 2005

Relay locations on electronics box on electronics box, on left of engine compartment, from April 2005
SEAT LEON 2008 Relay locations on electronics box on electronics box, on left of engine compartment, from April 2005Get access to all wiring diagrams of the carDownload PDF file
A1 -  Terminal 30 voltage supply relay -J317- (458)
q   Engines AZV, BKC, BKD and BSE
 -  Motronic current supply relay -J271- (458)
q   Engines BLR and BWA1
A2 -  Secondary air pump fuse -J299- (100)
q   Engine BSE

   

SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from November 2005

Relay locations in electronics box, in left engine compartment, from November 2005
SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from November 2005Get access to all wiring diagrams of the carDownload PDF file
A1 -  Terminal 30 voltage supply relay -J317- (458)
q   Engines AZV, BKC, BKD, BLS, BMM, BSE, BSF and BXE
 -  Motronic current supply relay -J271- (458)
q   Engines BVY, BVZ and BWA1
A2 -  Secondary air pump fuse -J299- (100)
q   Engine BSE

   

SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from May 2006

Relay locations in electronics box, in left engine compartment, from May 2006
SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from May 2006Get access to all wiring diagrams of the carDownload PDF file
A1 -  Terminal 30 voltage supply relay -J317- (458)
q   Engines BSE and BSF
 -  Terminal 30 voltage supply relay -J317- (100)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXW
 -  Motronic current supply relay -J271- (100)
q   Engines BVY, BVZ and BWA
A2 -  Secondary air pump fuse -J299- (100)
q   Engine BSE

   

SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from November 2006

Relay locations in electronics box, in left engine compartment, from November 2006
SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from November 2006Get access to all wiring diagrams of the carDownload PDF file
A1 -  Terminal 30 voltage supply relay -J317- (458)
q   Engines BSE and BSF
 -  Terminal 30 voltage supply relay -J317- (100)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BXE and BXW
 -  Motronic current supply relay -J271- (100)
q   Engines BVY, BVZ, BWA and BWJ
A2 -  Secondary air pump fuse -J299- (100)
q   Engine BSE

   

SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from May 2007

Relay locations in electronics box, in left engine compartment, from May 2007
SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from May 2007Get access to all wiring diagrams of the carDownload PDF file
A1 -  Terminal 30 voltage supply relay -J317- (100)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BXE, BXF and BXW
 -  Terminal 30 voltage supply relay -J317- (458)
q   Engines BSE and BSF
 -  Motronic current supply relay -J271- (100)
q   Engines BVY, BVZ, BWA, BWJ and BZB
A2 -  Secondary air pump fuse -J299- (100)
q   Engine BSE
 -  Current supply relay, relais for engine components -J757- (100)
q   Engine BZB

   

SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from November 2007

Relay locations in electronics box, in left engine compartment, from November 2007
SEAT LEON 2008 Relay locations in electronics box, in left engine compartment, from November 2007Get access to all wiring diagrams of the carDownload PDF file
A1 -  Terminal 30 voltage supply relay -J317- (100)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BXE, BXF and BXW
 -  Terminal 30 voltage supply relay -J317- (458)
q   Engines BSE, BSF and CCSA
 -  Motronic current supply relay -J271- (100)
q   Engines BVY, BVZ, BWA, BWJ, BZB and CAXC
A2 -  Secondary air pump fuse -J299- (100)
q   Engines BSE and CCSA
 -  Current supply relay, relais for engine components -J757- (100)
q   Engine BZB
 -  Additional coolant pump relay -J496- (100)
q   Engine CAXC

   

SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from April 2005

Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from April 2005
SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from April 2005Get access to all wiring diagrams of the carDownload PDF file
B1 -  Terminal 15 voltage supply relay 2 -J681- (460)
B2 -  Seat heater relay -J83- (449)
B3 -  Rear lid central locking relay -J380- (404)
B4 -  Terminal 30 voltage supply relay 2 -J689- (449)
B5 -  Heated rear window relay - J9 (53)
B6 -  Dual tone horn relay -J4- (449)
B7 -  Double washer pump relay 1 -J729- (404)
B8 -  Double washer pump relay 2 -J730- (404)
B9 -  X-contact relief relay -J59- (460)

   

SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from November 2005

Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from November 2005
SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from November 2005Get access to all wiring diagrams of the carDownload PDF file
B1 -  Terminal 15 voltage supply relay 2 -J681- (460)
B2 -  Seat heater relay -J83- (449)
B3 -  Rear lid central locking relay -J380- (395)
B4 -  Terminal 30 voltage supply relay 2 -J689- (449)
B5 -  Heated rear window relay - J9 (53)
B6 -  Dual tone horn relay -J4- (449)
B7 -  Double washer pump relay 1 -J729- (395)
B8 -  Double washer pump relay 2 -J730- (395)
B9 -  X-contact relief relay -J59- (460)

   

SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from May 2006

Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from May 2006
SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from May 2006Get access to all wiring diagrams of the carDownload PDF file
B1 -  Terminal 15 voltage supply relay 2 -J681- (460)
B2 -  Seat heater relay -J83- (449)
B3 -  Rear lid central locking relay -J380- (395)
B4 -  Terminal 30 voltage supply relay 2 -J689- (449)
B5 -  Heated rear window relay - J9 (53)
B6 -  Dual tone horn relay -J4- (449)
B7 -  Double washer pump relay 1 -J729- (395)
B8 -  Double washer pump relay 2 -J730- (395)
B9 -  X-contact relief relay -J59- (460)

   

SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from November 2006

Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from November 2006
SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from November 2006Get access to all wiring diagrams of the carDownload PDF file
B1 -  Terminal 15 voltage supply relay 2 -J681- (460)
B2 -  Seat heater relay -J83- (449)
B3 -  Rear lid central locking relay -J380- (395)
B4 -  Terminal 30 voltage supply relay 2 -J689- (449)
B5 -  Heated rear window relay -J9- (53) or (373)
B6 -  Dual tone horn relay -J4- (449)
B7 -  Double washer pump relay 1 -J729- (395)
B8 -  Double washer pump relay 2 -J730- (395)
B9 -  X-contact relief relay -J59- (460)

   

SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from May 2008

Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from May 2008
SEAT LEON 2008 Position of relays on the relay carrier on onboard power supply control unit, left dash panel, from May 2008Get access to all wiring diagrams of the carDownload PDF file
B1 -  Terminal 15 voltage supply relay 2 -J681- (460)
B2 -  Vacant
B3 -  Rear lid central locking relay -J380- (395) or (404)
B4 -  Terminal 30 voltage supply relay 2 -J689- (449)
B5 -  Heated rear window relay -J9- (53) or (373)
B6 -  Dual tone horn relay -J4- (449)
B7 -  Double washer pump relay 1 -J729- (395) or (404)
B8 -  Double washer pump relay 2 -J730- (395) or (404)
B9 -  X-contact relief relay -J59- (460)

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from April 2005

Relay locations on relay carrier, left dash panel, from April 2005
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from April 2005Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53)
2 -  Fuel pump relay -J17- (449)
q   Engines AZV, BKC, BKD and BSE
 -  Circulation pump relay -J160- (395)
q   Engine BWA1
 -  Current supply relay for Simos control unit -J363- (449)
q   Engine BSE
 -  Motronic current supply relay 2 -J670- (449)
q   Engine BWA1
3 -  Terminal 50 voltage supply relay -J682- (433)
4 -  Heated windscreen relay -J47- (404)
5 -  Vacant

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from November 2005

Relay locations on relay carrier, left dash panel, from November 2005
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from November 2005Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53)
2 -  Fuel pump relay -J17- (395)
q   Engines AZV, BKC, BKD, BLS, BMM, BSE, BSF and BXE
 -  Circulation pump relay -J160- (395)
q   Engine BWA1
 -  Current supply relay for Simos control unit -J363- (395)
q   Engines BSE and BSF
 -  Motronic current supply relay 2 -J670- (395)
q   Engine BWA1
3 -  Terminal 50 voltage supply relay -J682- (433)
4 -  Heated windscreen relay -J47- (395)
5 -  Vacant

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from May 2006

Relay locations on relay carrier, left dash panel, from May 2006
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from May 2006Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53)
2 -  Fuel pump relay -J17- (395)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE and BXW
 -  Circulation pump relay -J160- (395)
q   Engine BWA
 -  Current supply relay for Simos control unit -J363- (395)
q   Engines BSE and BSF
 -  Fuel supply relay -J643- (395)
q   Engine BXW
 -  Motronic current supply relay 2 -J670- (395)
q   Engine BWA

   
Download PDF file
3 -  Terminal 50 voltage supply relay -J682- (53)
4 -  Heated windscreen relay -J47- (395)
5 -  Vacant

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from November 2006

Relay locations on relay carrier, left dash panel, from November 2006
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from November 2006Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53) or (373)
2 -  Fuel pump relay -J17- (395)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE and BXW
 -  Circulation pump relay -J160- (395)
q   Engines BWA and BWJ
 -  Current supply relay for Simos control unit -J363- (395)
q   Engines BSE and BSF
 -  Fuel supply relay -J643- (395)
q   Engine BXW
 -  Motronic current supply relay 2 -J670- (395)
q   Engines BWA and BWJ
 -  Heated windscreen relay -J47- (395)
q   diesel engines

   
Download PDF file
3 -  High heat output relay -J360- (370)
q   diesel engines
4 -  Heated windscreen relay -J47- (395)
q   petrol engines
 -  Low heat output relay -J359- (373)
q   diesel engines
5 -  Terminal 50 voltage supply relay -J682- (53) or (373)

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from May 2007

Relay locations on relay carrier, left dash panel, from May 2007
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from May 2007Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53) or (373)
2 -  Fuel pump relay -J17- (395)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF and BXW
 -  Circulation pump relay -J160- (395)
q   Engines BWA and BWJ
 -  Current supply relay for Simos control unit -J363- (395)
q   Engines BSE and BSF
 -  Fuel supply relay -J643- (395)
q   Engine BXW
 -  Motronic current supply relay 2 -J670- (395)
q   Engines BWA and BWJ
 -  Heated windscreen relay -J47- (395)
q   diesel engines
 -  Continued coolant circulation relay -J151- (395)
q   Engine BZB

   
Download PDF file
3 -  High heat output relay -J360- (370)
q   diesel engines
4 -  Heated windscreen relay -J47- (395)
q   petrol engines
 -  Low heat output relay -J359- (373)
q   diesel engines
5 -  Terminal 50 voltage supply relay -J682- (53) or (373)

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from November 2007

Relay locations on relay carrier, left dash panel, from November 2007
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from November 2007Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53) or (373)
2 -  Fuel pump relay -J17- (395)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF, BXW and CCSA
 -  Circulation pump relay -J160- (395)
q   Engines BWA and BWJ
 -  Current supply relay for Simos control unit -J363- (395)
q   Engines BSE, BSF and CCSA
 -  Fuel supply relay -J643- (395)
q   Engine BXW
 -  Motronic current supply relay 2 -J670- (395)
q   Engines BWA and BWJ
 -  Heated windscreen relay -J47- (395)
q   diesel engines
 -  Continued coolant circulation relay -J151- (395)
q   Engine BZB

   
Download PDF file
3 -  High heat output relay -J360- (370)
q   diesel engines
4 -  Heated windscreen relay -J47- (395)
q   petrol engines
 -  Low heat output relay -J359- (373)
q   diesel engines
5 -  Terminal 50 voltage supply relay -J682- (53) or (373)

   

SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from May 2008

Relay locations on relay carrier, left dash panel, from May 2008
SEAT LEON 2008 Relay locations on relay carrier, left dash panel, from May 2008Get access to all wiring diagrams of the carDownload PDF file
1 -  Headlight washer system relay -J39- (53) or (373)
2 -  Fuel pump relay -J17- (395) or (404)
q   Engines AZV, BKC, BKD, BLS, BMM, BMN, BSE, BSF, BXE, BXF, BXW and CCSA
 -  Circulation pump relay -J160- (395) or (404)
q   Engines BWA and BWJ
 -  Current supply relay for Simos control unit -J363- (395) or (404)
q   Engines BSE, BSF and CCSA
 -  Fuel supply relay -J643- (395) or (404)
q   Engine BXW
 -  Motronic current supply relay 2 -J670- (395) or (404)
q   Engines BWA and BWJ
 -  Heated windscreen relay -J47 (395) or (404)
q   diesel engines

   
Download PDF file
 -  Continued coolant circulation relay -J151- (395) or (404)
q   Engine BZB
3 -  High heat output relay -J360- (370)
q   diesel engines
4 -  Heated windscreen relay -J47 (395) or (404)
q   petrol engines
 -  Low heat output relay -J359- (373)
q   diesel engines
5 -  Terminal 50 voltage supply relay -J682- (53) or (373)

   


SEAT LEON 2008

Connector:

SEAT LEON 2008 Control units overview

Control units overview
Download PDF file
q   Connector assigment
q   Connector
q   50-pin connector assigment
q   50-pin connector
q   75-pin connector assigment
q   75-pin connector
q   from November 2007:
q   100-pin connector assigment
q   100-pin connector

   
Download PDF file
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector

   
Download PDF file
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector

   
Download PDF file
q   Connector assigment
q   Connector
q   Connector assigment
q   Connector
q   Connector
q   Description of signal
q   Connector assigment
q   Connector

   
Convenience system central control unit -J393-
   
Download PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Convenience system central control unit -J393-

León Fitting Locations No.  805 / 7
Location:
Under centre console -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
50-pin connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Airbag control unit -J234-

León Fitting Locations No.  805 / 9
   
75-pin connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Airbag control unit -J234-

León Fitting Locations No.  805 / 10
   
100-pin connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Airbag control unit -J234-

León Fitting Locations No.  805 / 11
Location:
In front passenger door -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Front passenger side door control unit -J387-

León Fitting Locations No.  805 / 13
Location:
In dash panel, right -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Headlight range control, control unit -J431-

León Fitting Locations No.  805 / 15
Location:
In dash panel, right -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Cornering light and headlight range control unit -J745-

León Fitting Locations No.  805 / 17
Location:
In rear right door -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Rear right door control unit -J389-

León Fitting Locations No.  805 / 19
Location:
Under rear seat, right, on fuel delivery unit -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Fuel pump control unit -J538-
q   Engines BLR, BVY, BVZ, BWA, BWA1 BWJ, BZB and CAXC

León Fitting Locations No.  805 / 21
Location:
In rear left door -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Rear left door control unit -J388-

León Fitting Locations No.  805 / 23
Location:
Behind front interior light -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Sliding sunroof adjustment control unit -J245-

León Fitting Locations No.  805 / 25
Location:
In driver door -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Driver door control unit -J386-

León Fitting Locations No.  805 / 27
Location:
Below the dash panel on left, near centre console -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Data bus diagnostic interface -J533-

León Fitting Locations No.  805 / 29
Location:
On steering column -arrow-
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  Steering column electronics control unit -J527-

León Fitting Locations No.  805 / 31
Location:
On left under dash panel, under relay carrier -arrow-.
 
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
Pin connector:
SEAT LEON 2008 Control units overviewGet access to all wiring diagrams of the carDownload PDF file
A -  11-pin connector
B -  12-pin connector
C -  12-pin connector
D -  11-pin connector
E -  16-pin connector
F -  8-pin connector
G -  12-pin connector
H -  Vacant
I -  2-pin connector
J -  6-pin connector
K -  10-pin connector
L -  2-pin connector

   

León Fitting Locations No.  805 / 34
   
Connector Pin Terminal Equipment
H		 Equipment
M
B 9 Right tail light signal output x x
B 10 Signal output for rear right turn signal x x
B 11 Interior lighting, door contact switch signal output x x
B 12 Illumination - switches and instruments (58d) signal output x x
C 1 Signal output for switching heated seat off x x
C 2 Left brake and tail light signal output x x
C 3 Rear right fog light signal output x x
C 4   - -
C 5 Left seat backrest switch signal output x x
C 6 Right seat backrest switch signal output x x
C 7   - -
C 8 Number plate light signal output x x
C 9 High level brake light signal output x x
C 10 Left tail light signal output x x
C 11 Left tail light signal output x x
C 12 Left reversing light signal output x x
D 1 Supply (30), left lights x x
D 2 Left fog light signal output x -
D 3 Left main beam signal output x x
D 4 Left dipped beam signal output x x

   

León Fitting Locations No.  805 / 36
   
Connector Pin Terminal Equipment
H		 Equipment
M
E 12 Come-Home potentiometer input signal x x
E 13 Rear fog light switch signal input x x
E 14 Automatic driving lights switch signal input x x
E 15   - -
E 16 Light switch position "0" signal input x x
F 1 Signal input (50), diagnosis x x
F 2 Signal input (15), diagnosis engine x x
F 3 LIN-Bus x x
F 4 Signal (L) alternator x x
F 5 Bonnet switch input signal x x
F 6 Reversing light switch signal input x x
F 7 Input signal for reference voltage (30) x x
F 8 Input signal for earth - reference voltage (31) x x
G 1 Voltage supply (50) for ignition/starter switch signal input x x
G 2 Hazard warning light system warning lamp signal input x x
G 3 Heated rear window warning lamp signal input x x
G 4 Signal earth for illumination regulators - switches and instruments (31) x x
G 5   - -
G 6 Heated rear window button input signal x x

   

León Fitting Locations No.  805 / 38
   
Connector Pin Terminal Equipment
H		 Equipment
M
I 1 Supply (75a) input x x
I 2 Supply (75x) output x x
J 1 Washer pump supply input x x
J 2 Washer pump motor and rear window wiper motor signal output x x
J 3 signal horn x x
J 4 Washer pump motor and rear window wiper motor signal output x x
J 5 Washer pump earth (31) x x
J 6 Horn signal output x x
K 1 Heated rear window signal output x x
K 2   - -
K 3   - -
K 4   - -
K 5 Supply input (30G) x x
K 6 Heated rear window supply input x x
K 7   - -
K 8   - -
K 9   - -
K 10 Supply output (30G) x x
L 1 Interior supply input (15) x x
L 2 Interior supply output (15) x x

   

SEAT LEON 2008 Display control unit in dash panel insert -J285-

Location:
In dash panel -arrow-
 
SEAT LEON 2008 Display control unit in dash panel insert -J285-Get access to all wiring diagrams of the carDownload PDF file
Connector assigment:
SEAT LEON 2008 Display control unit in dash panel insert -J285-Get access to all wiring diagrams of the carDownload PDF file
A -  Display control unit in dash panel insert -J285-

SEAT LEON 2008 Overview of earth points in engine compartment

Overview of earth points in engine compartment
Download PDF file
q   from November 2005:
q   Location

   
Download PDF file
q   from November 2005:
q   Location
q   from November 2005:
q   Location
q   from November 2005:
q   Location

   
Download PDF file

   
Download PDF file
  607 Earth point, on left in plenum chamber -arrow-
 
SEAT LEON 2008 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
Download PDF file
From April 2005
  673 Earth point 3, on front left longitudinal member -arrow B-
  3 Earth strap, engine - body -arrow D-
 
SEAT LEON 2008 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file
  671 Earth point 1, on front left longitudinal member -arrow A-
  673 Earth point 3, on front left longitudinal member -arrow C-
Download PDF file
Only models with engine codes BLR, BVY, BVZ, BWA, BWJ, BXW, BZB and CAXC
  18 Earth point on engine block -arrow-
 
SEAT LEON 2008 Overview of earth points in engine compartmentGet access to all wiring diagrams of the carDownload PDF file

SEAT LEON 2008 Overview of earth points in vehicle interior

Overview of earth points in vehicle interior
SEAT LEON 2008 Overview of earth points in vehicle interiorGet access to all wiring diagrams of the carDownload PDF file
q   from May 2005:
q   Location
q   from May 2005:
q   Location

   
Download PDF file

   
Download PDF file
From April 2005
  43 Earth point, lower part of right A-pillar -arrow A-
  617 Earth point 2, lower part of right A-pillar -arrow C-
 
SEAT LEON 2008 Overview of earth points in vehicle interiorGet access to all wiring diagrams of the carDownload PDF file
  43 Earth point, lower part of right A-pillar -arrow A-
Download PDF file
  78 Earth point, lower part of right B-pillar -arrow-
 
SEAT LEON 2008 Overview of earth points in vehicle interiorGet access to all wiring diagrams of the carDownload PDF file
Download PDF file
  602 Earth point, in front left footwell -arrow B-
 
SEAT LEON 2008 Overview of earth points in vehicle interiorGet access to all wiring diagrams of the carDownload PDF file
Download PDF file

SEAT LEON 2008 Overview of earth points in luggage compartment and in roof

Overview of earth points in luggage compartment and in roof
SEAT LEON 2008 Overview of earth points in luggage compartment and in roofGet access to all wiring diagrams of the carDownload PDF file

   
Download PDF file
  666 Earth point, on rear right of roof -arrow-
 
SEAT LEON 2008 Overview of earth points in luggage compartment and in roofGet access to all wiring diagrams of the carDownload PDF file
Download PDF file
  50 Earth point, on left in luggage compartment -arrow-
 
SEAT LEON 2008 Overview of earth points in luggage compartment and in roofGet access to all wiring diagrams of the carDownload PDF file
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