Wiring Diagram SEAT LEON 2008 - High pressure sender - centre vent temperature sender - air conditioning system control unit - air conditioning system compressor regulating valve
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO E30 | Air conditioning system switch |
G65 | High pressure sender |
G191 | Centre vent temperature sender |
G267 | Potentiometer for temperature selection rotary knob |
J301 | Air conditioning system control unit |
J519 | Onboard supply control unit |
J681 | Terminal 15 voltage supply relay 2, on onboard supply control unit (460) |
N280 | Air conditioning system compressor regulating valve |
K84 | Air conditioning system warning lamp |
T4t | 4-pin connector, near starter |
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85 | Earth connection 1, in engine compartment wiring harness |
332 | Earth connection 4, in dash panel wiring harness |
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A38 | Positive connection 2 (15a), in dash panel wiring harness |
A40 | Positive connection 1 (30), in dash panel wiring harness |
A192 | Positive connection 3 (15a), in dash panel wiring harness |
B219 | Positive connection 4 (30a), in interior wiring harness |
Wiring Diagram SEAT LEON 2008 - Air recirculation flap control motor - left temperature flap control motor - footwell vent temperature sender - evaporator out-flow temperature sender
E94 | Heated driver seat regulator |
E95 | Heated front passenger seat regulator |
E159 | Fresh air/air recirculation flap switch |
E230 | Heated rear window button |
G92 | Potentiometer for temperature flap control motor |
G143 | Air recirculation flap control motor potentiometer |
G192 | Footwell vent temperature sender |
G263 | Evaporator out-flow temperature sender |
J301 | Air conditioning system control unit |
J774 | Heated front seats control unit, on driver seat |
K114 | Fresh air and air recirculation warning lamp |
T10f | 10-pin connector, under driver seat |
V68 | Left temperature flap control motor |
V113 | Air recirculation flap control motor |
B431 | Connection (seat heating), in main wiring harness |
L2 | Connection in air conditioning system wiring harness |
M42 | Connection 2, in driver seat wiring harness |
* | models with heated seats only |
Wiring Diagram SEAT LEON 2008 - Warm air blower series resistor with overheating valve - fresh air blower - air conditioning system control unit
E9 | Fresh air blower switch |
J301 | Air conditioning system control unit |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
K10 | Heated rear window warning lamp |
L16 | Fresh air regulator illumination bulb |
N24 | Warm air blower series resistor with overheating valve |
T10c | 10-pin connector, on right under dash panel |
V2 | Fresh air blower |
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373 | Earth connection 8, in main wiring harness |
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B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
L5 | Connection 1, in air conditioning system wiring harness |
L6 | Connection 2, in air conditioning system wiring harness |
SEAT LEON 2008
Connector: | SEAT LEON 2008 Control units overview
Control units overview | | | q | 50-pin connector assigment |
q | 75-pin connector assigment |
q | 100-pin connector assigment |
León | Fitting Locations | No. 805 / 2 |
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León | Fitting Locations | No. 805 / 3 |
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León | Fitting Locations | No. 805 / 4 |
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Convenience system central control unit -J393-
| | Below the dash panel on right, near centre console -arrow- | | | |
Connector assigment:
A - | Convenience system central control unit -J393- |
León | Fitting Locations | No. 805 / 7 | | Under centre console -arrow- | | | | 50-pin connector assigment: |
A - | Airbag control unit -J234- |
León | Fitting Locations | No. 805 / 9 | | 75-pin connector assigment: | A - | Airbag control unit -J234- | León | Fitting Locations | No. 805 / 10 | | 100-pin connector assigment: | A - | Airbag control unit -J234- | León | Fitting Locations | No. 805 / 11 | | In front passenger door -arrow- | | | | Connector assigment: | A - | Front passenger side door control unit -J387- | León | Fitting Locations | No. 805 / 13 | | In dash panel, right -arrow- | | | | Connector assigment: | A - | Headlight range control, control unit -J431- | León | Fitting Locations | No. 805 / 15 | | In dash panel, right -arrow- | | | | Connector assigment: | A - | Cornering light and headlight range control unit -J745- | León | Fitting Locations | No. 805 / 17 | | In rear right door -arrow- | | | | Connector assigment: | A - | Rear right door control unit -J389- | León | Fitting Locations | No. 805 / 19 | | Under rear seat, right, on fuel delivery unit -arrow- | | | | Connector assigment: | A - | Fuel pump control unit -J538- | q | Engines BLR, BVY, BVZ, BWA, BWA1 BWJ, BZB and CAXC | León | Fitting Locations | No. 805 / 21 | | In rear left door -arrow- | | | | Connector assigment: | A - | Rear left door control unit -J388- | León | Fitting Locations | No. 805 / 23 | | Behind front interior light -arrow- | | | | Connector assigment: | A - | Sliding sunroof adjustment control unit -J245- | León | Fitting Locations | No. 805 / 25 | | Connector assigment: | A - | Driver door control unit -J386- | León | Fitting Locations | No. 805 / 27 | | Below the dash panel on left, near centre console -arrow- | | | | Connector assigment: | A - | Data bus diagnostic interface -J533- | León | Fitting Locations | No. 805 / 29 | | On steering column -arrow- | | | | Connector assigment: | A - | Steering column electronics control unit -J527- | León | Fitting Locations | No. 805 / 31 | | On left under dash panel, under relay carrier -arrow-. | | | | 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- | | | Connector assigment: |
A - | Display control unit in dash panel insert -J285- |
SEAT LEON 2008 Overview of relay on relay carrier | Overview of relay on relay carrier |
| | León | Fitting Locations | No. 803 / 2 |
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Relay position assignment on additional relay carrier under electronics box in left engine compartment, from April 2005
Note:
The additional relay carrier is located under the electronics box and is only visible when it is removed. |
| | C2 - | Automatic glow period control unit -J179- (461) |
q | Engines AZV, BKC and BKD |
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 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 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 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 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 | A1 - | Terminal 30 voltage supply relay -J317- (458) |
q | Engines AZV, BKC, BKD and BSE |
- | Motronic current supply relay -J271- (458) |
A2 - | Secondary air pump fuse -J299- (100) |
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 | 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) |
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 | A1 - | Terminal 30 voltage supply relay -J317- (458) |
- | 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) |
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 | A1 - | Terminal 30 voltage supply relay -J317- (458) |
- | 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) |
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 | 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) |
- | Motronic current supply relay -J271- (100) |
q | Engines BVY, BVZ, BWA, BWJ and BZB |
A2 - | Secondary air pump fuse -J299- (100) |
- | Current supply relay, relais for engine components -J757- (100) |
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 | 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) |
- | Current supply relay, relais for engine components -J757- (100) |
- | Additional coolant pump relay -J496- (100) |
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 | 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 | 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 | 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 | 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 | B1 - | Terminal 15 voltage supply relay 2 -J681- (460) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (449) |
- | Motronic current supply relay 2 -J670- (449) |
3 - | Terminal 50 voltage supply relay -J682- (433) |
4 - | Heated windscreen relay -J47- (404) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (395) |
- | Motronic current supply relay 2 -J670- (395) |
3 - | Terminal 50 voltage supply relay -J682- (433) |
4 - | Heated windscreen relay -J47- (395) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (395) |
- | Fuel supply relay -J643- (395) |
- | Motronic current supply relay 2 -J670- (395) |
León | Fitting Locations | No. 803 / 22 |
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3 - | Terminal 50 voltage supply relay -J682- (53) |
4 - | Heated windscreen relay -J47- (395) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (395) |
- | Fuel supply relay -J643- (395) |
- | Motronic current supply relay 2 -J670- (395) |
- | Heated windscreen relay -J47- (395) |
León | Fitting Locations | No. 803 / 24 |
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3 - | High heat output relay -J360- (370) |
4 - | Heated windscreen relay -J47- (395) |
- | Low heat output relay -J359- (373) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (395) |
- | Fuel supply relay -J643- (395) |
- | Motronic current supply relay 2 -J670- (395) |
- | Heated windscreen relay -J47- (395) |
- | Continued coolant circulation relay -J151- (395) |
León | Fitting Locations | No. 803 / 26 |
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3 - | High heat output relay -J360- (370) |
4 - | Heated windscreen relay -J47- (395) |
- | Low heat output relay -J359- (373) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (395) |
q | Engines BSE, BSF and CCSA |
- | Fuel supply relay -J643- (395) |
- | Motronic current supply relay 2 -J670- (395) |
- | Heated windscreen relay -J47- (395) |
- | Continued coolant circulation relay -J151- (395) |
León | Fitting Locations | No. 803 / 28 |
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3 - | High heat output relay -J360- (370) |
4 - | Heated windscreen relay -J47- (395) |
- | Low heat output relay -J359- (373) |
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 | 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) |
- | Current supply relay for Simos control unit -J363- (395) or (404) |
q | Engines BSE, BSF and CCSA |
- | Fuel supply relay -J643- (395) or (404) |
- | Motronic current supply relay 2 -J670- (395) or (404) |
- | Heated windscreen relay -J47 (395) or (404) |
León | Fitting Locations | No. 803 / 30 |
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- | Continued coolant circulation relay -J151- (395) or (404) |
3 - | High heat output relay -J360- (370) |
4 - | Heated windscreen relay -J47 (395) or (404) |
- | Low heat output relay -J359- (373) |
5 - | Terminal 50 voltage supply relay -J682- (53) or (373) |