SEAT LEON 2008 – Radio, CD changer, MP3 media player . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2008 - Aerial - radio

A	Battery
J519	Onboard supply control unit
J533	Data bus diagnostic interface
R	Radio
R11	Aerial
R36	Telephone transmitter and receiver unit
T16c	16-pin connector, on radio, consists of two 8-pin connectors
T18d	18-pin connector
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
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 right treble loudspeaker - front left bass loudspeaker - front right bass loudspeaker - front left bass loudspeaker - radio

J519	Onboard supply control unit
R	Radio
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 right treble loudspeaker - rear left treble loudspeaker - rear right bass loudspeaker - rear left bass loudspeaker - radio

J519	Onboard supply control unit
R	Radio
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 - radio

J519	Onboard supply control unit
R	Radio
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   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 q   Connector assigment q   Connector q   Connector assigment q   Connector q   Connector assigment q   Connector q   Connector assigment q   Connector q   Connector assigment q   Connector q   Connector assigment q   Connector q   Connector assigment q   Connector q   Connector assigment q   Connector 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-

   

Connector assigment:

A -	Convenience system central control unit -J393-

León Fitting Locations No.  805 / 7 Location: Under centre console -arrow-   Get access to all wiring diagrams of the car 50-pin connector assigment:

A -	Airbag control unit -J234-

León Fitting Locations No.  805 / 9 75-pin connector assigment: Get access to all wiring diagrams of the car A -  Airbag control unit -J234- León Fitting Locations No.  805 / 10 100-pin connector assigment: Get access to all wiring diagrams of the car A -  Airbag control unit -J234- León Fitting Locations No.  805 / 11 Location: In front passenger door -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Front passenger side door control unit -J387- León Fitting Locations No.  805 / 13 Location: In dash panel, right -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Headlight range control, control unit -J431- León Fitting Locations No.  805 / 15 Location: In dash panel, right -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Cornering light and headlight range control unit -J745- León Fitting Locations No.  805 / 17 Location: In rear right door -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Rear right door control unit -J389- León Fitting Locations No.  805 / 19 Location: Under rear seat, right, on fuel delivery unit -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car 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-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Rear left door control unit -J388- León Fitting Locations No.  805 / 23 Location: Behind front interior light -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Sliding sunroof adjustment control unit -J245- León Fitting Locations No.  805 / 25 Location: In driver door -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Driver door control unit -J386- León Fitting Locations No.  805 / 27 Location: Below the dash panel on left, near centre console -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Data bus diagnostic interface -J533- León Fitting Locations No.  805 / 29 Location: On steering column -arrow-   Get access to all wiring diagrams of the car Connector assigment: Get access to all wiring diagrams of the car A -  Steering column electronics control unit -J527- León Fitting Locations No.  805 / 31 Location: On left under dash panel, under relay carrier -arrow-.   Get access to all wiring diagrams of the car Pin connector: Get access to all wiring diagrams of the car 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-   Get access to all wiring diagrams of the car 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

q   from November 2005: q   Location q   from November 2005: q   Location q   from November 2005: q   Location q   from November 2005: q   Location