Wiring Diagram SEAT LEON 2008 - Aerial - GPS aerial - control unit with display for radio and navigation system
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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO A | Battery |
J503 | Control unit with display for radio and navigation system |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
R11 | Aerial |
R50 | GPS aerial |
R36 | Telephone transmitter and receiver unit |
T16c | 16-pin connector, on radio, consists of two 8-pin connectors |
T40 | 40-pin connector, under electronics box, in left engine compartment |
372 | Earth connection 7, in main wiring harness |
507 | Screw connection (30), on fuse holder on battery |
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A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
A189 | Positive connection 5 (30a), in dash panel wiring harness |
* | for models with CD changer only |
** | only models with telephone Bluetooth |
Wiring Diagram SEAT LEON 2008 - Front left and right treble loudspeaker - front right and left bass loudspeaker - control unit with display for radio and navigation system
J503 | Control unit with display for radio and navigation system |
J519 | Onboard supply control unit |
R20 | Front left treble loudspeaker |
R21 | Front left bass loudspeaker |
R22 | Front right treble loudspeaker |
R23 | Front right bass loudspeaker |
T16c | 16-pin connector, on radio, consists of two 8-pin connectors |
T20a | 20-pin connector, driver side A-pillar |
T20b | 20-pin connector, front passenger side A-pillar |
* | only models up to October 2007 |
** | only models from November 2007 |
Wiring Diagram SEAT LEON 2008 - Rear left and right treble loudspeaker - rear right and left bass loudspeaker - control unit with display for radio and navigation system
J503 | Control unit with display for radio and navigation system |
J519 | Onboard supply control unit |
R14 | Rear left treble loudspeaker |
R15 | Rear left bass loudspeaker |
R16 | Rear right treble loudspeaker |
R17 | Rear right bass loudspeaker |
T16c | 16-pin connector, on radio, consists of two 8-pin connectors |
T20e | 20-pin connector, left B-pillar |
T20f | 20-pin connector, right B-pillar |
* | only models with 8 loudspeakers |
Wiring Diagram SEAT LEON 2008 - CD changer - control unit with display for radio and navigation system
J503 | Control unit with display for radio and navigation system |
J519 | Onboard supply control unit |
R41 | CD changer |
T12 | 12-pin connector |
T12a | 12-pin connector |
* | for models with CD changer only |
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 earth points in engine compartment | Overview of earth points in engine compartment |
| | León | Fitting Locations | No. 801 / 2 |
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León | Fitting Locations | No. 801 / 3 |
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13 | Earth point, in engine compartment, right -arrow- |
| | 607 | Earth point, on left in plenum chamber -arrow- | | | |
1 | Earth strap, battery body, on left in engine compartment, next to battery -arrow- |
| | 673 | Earth point 3, on front left longitudinal member -arrow B- | 3 | Earth strap, engine - body -arrow D- | | | |
671 | Earth point 1, on front left longitudinal member -arrow A- |
673 | Earth point 3, on front left longitudinal member -arrow C- |
3 | Earth strap, engine - body -arrow C- |
| | 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 vehicle interior
Overview of earth points in vehicle interior | León | Fitting Locations | No. 801 / 8 |
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610 | Earth point (audio), under centre console, front -arrow- |
| | 43 | Earth point, lower part of right A-pillar -arrow A- | 617 | Earth point 2, lower part of right A-pillar -arrow C- | | | |
43 | Earth point, lower part of right A-pillar -arrow A- |
47 | Earth point, in front right footwell -arrow B- |
| | 78 | Earth point, lower part of right B-pillar -arrow- | | | |
77 | Earth point, lower part of left B-pillar -arrow- |
| | 602 | Earth point, in front left footwell -arrow B- | | | |
605 | Earth point, on top end of steering column -arrow- |
| | SEAT LEON 2008 Overview of earth points in luggage compartment and in roof
Overview of earth points in luggage compartment and in roof | 51 | Earth point, on right in luggage compartment -arrow- |
| | 666 | Earth point, on rear right of roof -arrow- | | | |
667 | Earth point, on rear left of roof -arrow- |
| | 50 | Earth point, on left in luggage compartment -arrow- | | | |