Wiring Diagram VW PASSAT 2012 - Control unit with display for radio and navigation - Data bus diagnostic interface - Connection for external audio sources - Interface for external multimedia unit
https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html
Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO
| J503 | Control unit with display for radio and navigation |
| J533 | Data bus diagnostic interface |
| R | Radio |
| R199 | Connection for external audio sources |
| R215 | Interface for external multimedia unit |
| T4uw | 4-pin connector |
| T12j | 12-pin connector, blue |
| T12y | 12-pin connector, black |
| T20e | 20-pin connector |
| 370 | Earth connection 5, in main wiring harness |
| 610 | Earth point (audio), front below centre console |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| * | Only models with centre armrest |
VW PASSAT 2012 Overview of control units
Overview of control units | | 1 - | Airbag control unit -J234- |
| 2 - | Control unit for terminal control and engine start -J942- |
| 3 - | Convenience system central control unit -J393- |
| 4 - | Air conditioning system control unit -J301- / Climatronic control unit -J255- |
| q | Air conditioning system control unit -J301- |
| q | Climatronic control unit -J255- |
| 5 - | Control unit for cornering light and headlight range control -J745- |
| 6 - | Mobile telephone operating electronics control unit -J412- |
| 7 - | Heated rear seats control unit -J786- |
| 8 - | Front passenger door control unit -J387- |
| 9 - | Control unit for electromechanical parking brake -J540- |
| 10 - | Rear passenger side door control unit -J927- |
| 11 - | Fuel pump control unit -J538- |
| 12 - | Rear driver side door control unit -J926- |
| 13 - | Heated front seats control unit -J774- |
| 14 - | Control unit for seat adjustment and steering column adjustment with memory function -J136- |
| 15 - | Driver door control unit -J386- |
| 16 - | Special purpose vehicle control unit -J608- |
| 16 - | Digital sound package amplifier -R184- |
| 17 - | Steering column electronics control unit -J527- |
| 18 - | Dash panel insert -K- / |
| 19 - | Electronic steering column lock control unit -J764- |
| 20 - | Park assist steering control unit -J791- / parking aid control unit -J446- |
| 21 - | Data bus diagnostic interface -J533- |
| 21 - | Onboard supply control unit -J519- |
| 22 - | Taxi alarm remote control, control unit -J601- |
| Airbag control unit -J234- | | under centre console, front | | - | 100-pin connector -T100- | | | |
| Control unit for terminal control and engine start -J942- | | Under the left side of the instrument panel above the pedals. | | - | 32-pin connector -T32g- | | | |
| Convenience system central control unit -J393- | | Below the dash panel, behind the glove compartment | | A - | 18-pin connector -T18d- | | B - | 6-pin connector -T6ao- | | C - | 8-pin connector -T8r- | | D - | 18-pin connector -T18a- | | F - | 6-pin connector -T6an- | | G - | 18-pin connector -T18c- | | | |
| Air conditioning system control unit -J301- |
| A - | 5-pin connector -T5r- |
| B - | 16-pin connector -T16j- |
| D - | 20-pin connector -T20b- |
VW PASSAT 2012 Climatronic control unit J255
Climatronic control unit -J255- |
| A - | 16-pin connector -T16h- |
| B - | 16-pin connector -T16i- |
| C - | 20-pin connector -T20c- |
VW PASSAT 2012 Control unit for cornering light and headlight range control J745Control unit for cornering light and headlight range control -J745- |
| Behind the glove compartment, left | | | |
VW PASSAT 2012 Mobile telephone operating electronics control unit -J412- / telephone controls control unit -J738- |
| under seat on front right | | | |
| Heated rear seats control unit -J786- | | Under seat on front right -arrow- | | | |
VW PASSAT 2012 Front passenger door control unit J387Front passenger door control unit -J387- |
| On inside of front passenger door -arrow- |
VW PASSAT 2012 Driver door control unit J386Driver door control unit -J386- |
| On inside of driver door -arrow- | Note: | The illustration shows the driver side. The front passenger side is similar. | | | |
| - | Front passenger door control unit -J387- , driver door control unit -J386- |
VW PASSAT 2012 Control unit for electromechanical parking brake J540 | Control unit for electromechanical parking brake -J540- |
| On rear of centre tunnel -arrow- |
| | | Rear passenger side door control unit -J927- | | On inside of rear door on front passenger side -arrow- | | Rear driver side door control unit -J926- | | On inside of rear door on driver's side -arrow- | Note: | The illustration shows the driver side. The front passenger side is similar. | | | |
| - | Rear driver side door control unit -J926- / rear passenger side door control unit -J927- |
| Fuel pump control unit -J538- |
| under rear right seat, on fuel delivery unit -arrow- |
| Fitting location in natural gas vehicles: on left in luggage compartment |
| - | 10-pin connector -T10p- |
| | | Heated front seats control unit -J774- | | On driver's seat frame -arrow- | | | |
VW PASSAT 2012 Control unit for seat adjustment and steering column adjustment with memory function J136Control unit for seat adjustment and steering column adjustment with memory function -J136- |
| Under the front driver side seat | | | |
VW PASSAT 2012 Special purpose vehicle control unit J608Special purpose vehicle control unit -J608- |
| Under driver seat -arrow- | | | |
VW PASSAT 2012 Amplifier R12Amplifier -R12- |
| | |
| Digital sound package amplifier -R184- | | | |
| Steering column electronics control unit -J527- | | under steering column, near steering column switch -arrow- | | A - | 16-pin connector -T16o- | | B - | 4-pin connector -T4ae- | | | |
VW PASSAT 2012 Connector assignment: |
| 1 - | Fuel gauge sender (full) | | 2 - | Fuel gauge sender (empty) | | 3 - | Fuel level sensor (full), only for all-wheel drive | | 4 - | Fuel level sensor (empty), only for all-wheel drive | | 9 - | Speed signal, sliding sunroof control unit output , control unit with display for radio and navigation system | | 11 - | Oil level and oil temperature sender | | 15 - | Front left brake pad wear sender | | 17 - | Washer fluid level warning lamp | | 18 - | Coolant temperature and coolant shortage warning lamp | | 19 - | Ambient temperature sensor | | 20 - | Terminal 31, sensor earth | | 25 - | Electric park/handbrake warning lamp | | 26 - | Brake fluid level warning lamp | | 27 - | Oil pressure warning lamp | | 28 - | Diagnostic interface for dash panel insert CAN data bus, high | | 29 - | Diagnostic interface for dash panel insert CAN data bus, low | | 31 - | Voltage supply, terminal 15 | | 32 - | Voltage supply, terminal 30 | | | |
VW PASSAT 2012 Electronic steering column lock control unit J764Electronic steering column lock control unit -J764- |
| On steering column -arrow- | | - | 10-pin connector -T10k- | | | |
VW PASSAT 2012 Park assist steering control unit -J791- / parking aid control unit -J446- |
| Under dash panel on left, behind relay carrier above onboard supply control unit -arrow- | | A - | 12-pin connector -T12- | | B - | 12-pin connector -T12a- | | C - | 16-pin connector -T16- | | | |
VW PASSAT 2012 Data bus diagnostic interface J533Data bus diagnostic interface -J533- |
| In driver's footwell near the pedal assembly | | | |
| Onboard supply control unit -J519- | | Under dash panel on driver's side, below relay carrier. | | A - | 52-pin connector -T52c- , brown | | B - | 52-pin connector -T52b- , white | | C - | 52-pin connector -T52a- , black | | | |
| Taxi alarm remote control, control unit -J601- | | In driver footwell, behind relay carrier -arrow- . | | | |
| Control unit with display for radio and navigation -J503- |
| 1 - | Control unit with display for radio and navigation -J503- |
| q | Only for American markets |
| E - | 26-pin connector -T26g- |
| G - | 16-pin connector -T16c- |
| H - | 12-pin connector -T12j- |
| I - | 12-pin connector -T12l- |
| -T26g- (E) | Designation | | -T16c- (G) | Designation |
| 1 | Not assigned | | 1 | Amplifier -R12- (sound system)
rear right bass loudspeaker -R17- + |
| 2 | Not assigned | | 2 | Amplifier -R12- (sound system)
front right bass loudspeaker -R23- |
| 3 | Not assigned | | 3 | Amplifier -R12- (sound system)
front left bass loudspeaker -R21- |
| 4 | Not assigned | | 4 | Amplifier -R12- (sound system)
rear left bass loudspeaker -R15- |
| 5 | Not assigned | | 5 | Amplifier -R12- (sound system)
rear right bass loudspeaker -R17- |
| 6 | Telephone bracket -R126- | | 6 | Amplifier -R12- (sound system)
front right bass loudspeaker -R23- |
| 7 | Telephone bracket -R126- | | 7 | Amplifier -R12- (sound system)
front left bass loudspeaker -R21- |
| 8 | Telephone bracket -R126- | | 8 | Amplifier -R12- (sound system)
rear left bass loudspeaker -R15- |
| 9 | Not assigned | | 9 | Data bus diagnostic interface -J533- (CAN bus, high) |
| 10 | TV tuner -R78- | | 10 | Data bus diagnostic interface -J533- (CAN bus, low) |
| 11 | TV tuner -R78- | | 11 | Not assigned |
| 12 | TV tuner -R78- | | 12 | Terminal 31 |
| 13 | TV tuner -R78- | | 13 | Not assigned |
| 14 | Not assigned | | 14 | Not assigned |
| 15 | Not assigned | | 15 | Terminal 30 |
| 16 | Not assigned | | 16 | Terminal 30 |
| 17 | Not assigned | | | |
| 18 | Not assigned | | | |
| 19 | Not assigned | | | |
| 20 | Telephone bracket -R126- | | | |
| 21 | Not assigned | | | |
| 22 | TV tuner -R78- | | | |
| 23 | TV tuner -R78- | | | |
| 24 | TV tuner -R78- | | | |
| 25 | TV tuner -R78- | | | |
| 26 | TV tuner -R78- | | | |
| -T12j- (H) | Designation | | -T12l- (I) | Designation |
| 1 | Connection for external audio sources -R199- (Aux-In) | | 1 | Voice command microphone -R206- (mic in -) |
| 2 | Connection for external audio sources -R199- (Aux-In earth) | | 2 | Not assigned |
| 3 | CD changer -R41- | | 3 | Not assigned |
| 4 | CD changer -R41- (terminal 30) | | 4 | Not assigned |
| 5 | Not assigned | | 5 | Mobile telephone operating electronics control unit -J412- |
| 6 | CD changer -R41- (CD bus radio DATA) | | 6 | Mobile telephone operating electronics control unit -J412- |
| 7 | Interface for external multimedia units -R215- (Aux-in audio) | | 7 | Voice command microphone -R206- (mic in +) |
| 8 | CD changer -R41- (CD-X audio left) | | 8 | Not assigned |
| 9 | CD changer -R41- (CD-X audio right) | | 9 | Not assigned |
| 10 | CD changer -R41- (terminal 15) | | 10 | Not assigned |
| 11 | CD changer -R41- (CD bus) | | 11 | Mobile telephone operating electronics control unit -J412- |
| 12 | CD changer -R41- | | 12 | Mobile telephone operating electronics control unit -J412- |
Čeština
Dansk
Deutsch
Ελληνικά
English
Español
Suomi
Français
Français
עברית
Hrvatski
Magyar
Italiano
日本語
한국어
Nederlands
Polski
Português
Português
Română
Русский
Slovenčina
Slovenščina
Svenska
Türkçe
中文 (中国)
