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Wiring Diagram VW PASSAT CC 2009 - Multimedia system control unit - Radio
| J503 | Control unit with display for radio and navigation |
| J533 | Data bus diagnostic interface |
| J650 | Multimedia system control unit |
| R | Radio |
| R199 | Connection for external audio sources |
| T3ax | 3-pin connector |
| T4e | 4-pin connector |
| T12b | 12-pin connector |
| T12f | 12-pin connector |
| T20 | 20-pin connector |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
| * | From June 2014 |
VW PASSAT CC 2009 Overview of control units
| q | To April 2014 |
| Left gas discharge bulb control unit -J343- , output module for left headlight -J667- , control unit for left daytime running light and side light -J860- |
| q | Fitting location |
| q | From May 2014 |
| q | To April 2014 |
| Right gas discharge bulb control unit -J344- , output module for right headlight -J668- , control unit for right daytime running light and side light -J861- |
| q | Fitting location |
| q | From May 2014 |
| q | Fitting location, 196-pin |
| Headlight range control unit -J431- / Control unit for cornering light and headlight range control -J745- |
| q | Fitting location |
| q | To April 2009 |
| Chip card reader control unit -J676- /TV card reader -R204- |
| q | Fitting location |
| Climatronic control unit -J255- |
| q | Fitting location |
| Air conditioning system control unit -J301- |
| q | Fitting location |
| q | Fitting location of Composition Media, Discover Media |
| q | From May 2009 |
| q | Fitting location from May 2014 |
| q | Fitting location from May 2009 |
| q | From May 2009 |
| Control unit in dash panel insert -J285- |
| q | Fitting location to April 2009 |
| q | Fitting location from May 2009 |
| Traffic data aerial -R173- |
| q | Fitting location |
| q | Fitting location from May 2009 |
| q | From May 2014 |
| q | Up to May 2014, on right in luggage compartment, behind the side trim. |
| Park assist steering control unit -J791- |
| q | Fitting location |
| q | Fitting location from May 2009 |
| q | Fitting location, 25-pin connector -T25- |
| Left gas discharge bulb control unit -J343- |
| Fitting location: |
| on front left headlight |
| 1 - | Left gas discharge bulb control unit -J343- |
| A - | 4-pin connector -T4- |
| B - | 4-pin connector -T4- |
|
| Left gas discharge bulb control unit -J343- , output module for left headlight -J667- , control unit for left daytime running light and side light -J860- |
| Fitting location: |
| on front left headlight |
| 1 - | Control unit for left daytime running light and side light -J860- |
| 2 - | Output module for left headlight -J667- |
| 3 - | Left gas discharge bulb control unit -J343- |
| A - | 20-pin connector -T20- |
| B - | 32-pin connector -T32- |
| C - | 4-pin connector -T4- |
| D - | 4-pin connector -T4- |
|
| Radiator fan control unit -J293- |
| Fitting location: |
| on radiator fan |
| 1 - | Radiator fan control unit -J293- |
| A - | 4-pin connector -T4x- on wiring harness |
| B - | 4-pin connector -T4x- on radiator fan |
|
| Right gas discharge bulb control unit -J344- |
| Fitting location: |
| on front right headlight |
| 1 - | Right gas discharge bulb control unit -J344- |
| A - | 4-pin connector -T4- |
| B - | 4-pin connector -T4- |
|
| Right gas discharge bulb control unit -J344- , output module for right headlight -J668- , control unit for right daytime running light and side light -J861- |
| Fitting location: |
| on front right headlight |
| 1 - | Control unit for right daytime running light and side light -J861- |
| 2 - | Output module for right headlight -J668- |
| 3 - | Right gas discharge bulb control unit -J344- |
| A - | 20-pin connector -T20- |
| B - | 32-pin connector -T32- |
| C - | 4-pin connector -T4- |
| D - | 4-pin connector -T4- |
|
| ABS control unit -J104- |
Note:
| The illustration shows left-hand drive model. The view of the front passenger side for a RHD model is basically a mirror image. |
| Fitting location: |
| on bulkhead, on right in engine compartment |
| 1 - | ABS control unit -J104- |
| A - | 47-pin connector -T47- |
|
| Engine control unit -J623- , 154-pin |
| Fitting location: |
| under plenum chamber cover |
| Pfeil - | Engine control unit -J623- |
| A - | 94-pin connector -T94- |
| B - | 60-pin connector -T60- |
|
| Engine control unit -J623- , 196-pin |
| Fitting location: |
| under plenum chamber cover |
| 1 - | Engine control unit -J623- |
| A - | 105-pin connector -T105- |
| B - | 91-pin connector -T91- |
|
| Fresh air blower control unit -J126- |
| Fitting location: |
| under dash panel, behind glove compartment |
| 1 - | Fresh air blower control unit -J126- |
| A - | 2-pin connector -T2- |
| B - | 6-pin connector -T6u- |
|
| Headlight range control unit -J431- / Control unit for cornering light and headlight range control -J745- |
| Fitting location: |
| under dash panel on right, behind glove compartment |
| 1 - | Headlight range control unit -J431- / Control unit for cornering light and headlight range control -J745- |
| A - | 26-pin connector -T26- |
|
|
| Connector assignment: |
| A - | Convenience system central control unit -J393- |
| B - | 18-pin connector -T18- |
| C - | 8-pin connector -T8n- |
| D - | 6-pin connector -T6- |
|
| Chip card reader control unit -J676- /TV card reader -R204- |
| Fitting location: |
| In glove compartment. |
| 1 - | Chip card reader control unit -J676- |
| 2 - | TV card reader -R204- |
| A - | 2-pin connector -T2fo- |
| B - | 8-pin connector -T8k- |
| C - | 2-pin connector -T2fb- |
| D - | 5-pin connector -T5c- |
|
| Voltage stabilizer -J532- |
| Fitting location: |
| behind glove compartment on central tube |
| 1 - | Voltage stabilizer -J532- |
| A - | 12-pin connector -T12i- |
|
| Airbag control unit -J234- |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| Under front of centre console. |
| 1 - | Airbag control unit -J234- |
| A - | 50-pin connector -T50- |
|
| Climatronic control unit -J255- |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| in centre of dash panel. |
| 1 - | Climatronic control unit -J255- |
| A - | 16-pin connector -T16f- |
| B - | 16-pin connector -T16g- |
| C - | 20-pin connector -T20c- |
|
| Air conditioning system control unit -J301- |
| Fitting location: |
| in centre of dash panel. |
| 1 - | Air conditioning system control unit -J301- |
| A - | 20-pin connector -T20c- |
| B - | 16-pin connector -T16e- |
| C - | 5-pin connector -T5- |
|
| Control unit 1 for information electronics -J794- with display unit for front information display and operating unit control unit -J685- and multimedia system operating unit -E380- |
| Fitting location: |
| in centre of dash panel. |
Note:
| Multiway connector housing D (chambers: 9-18), made up of connectors E, F, G and H. |
| 1 - | Control unit 1 for information electronics -J794- |
| q | with multimedia system operating unit -E380- and display unit for front information display and operating unit control unit -J685- |
| B - | 4-pin connector -T4by- , white |
| q | AM/FM aerial connection for impedance converter for rear left window aerial -R235- , aerial -R11- |
| q | FM2 aerial connection for impedance converter for rear right window aerial -R236- , radio aerial 2 -R93- |
| D - | 8-pin connector -T8ab- , black |
| F - | 12-pin connector -T12ac- , blue |
| H - | 12-pin connector -T12aa- , grey |
| Connector assignment, control unit 1 for information electronics -J794- |
| -T8ac- (E) | Designation | -T8ab- (D) | Designation | |
| 1 | Rear right treble loudspeaker -R16- , +1) Rear right bass loudspeaker -R17- , +1) Amplifier -R12-2) | 9 | ||
| 2 | Front right treble loudspeaker -R22- , +1) Front right bass loudspeaker -R23- , +1) Amplifier -R12-2) | 10 | ||
| 3 | Front left treble loudspeaker -R20- , +1) Front left bass loudspeaker -R21- , +1) Amplifier -R12-2) | 11 | ||
| 4 | Rear left treble loudspeaker -R14- , +1) Rear left bass loudspeaker -R15- , +1) Amplifier -R12-2) | 12 | ||
| 5 | Rear right treble loudspeaker -R16- , -1) Rear right bass loudspeaker -R17- , -1) Amplifier -R12-2) | 13 | ||
| 6 | Front right treble loudspeaker -R22- , -1) Front right bass loudspeaker -R23- , -1) Amplifier -R12-2) | 14 | ||
| 7 | Front left treble loudspeaker -R20- , -1) Front left bass loudspeaker -R21- , -1) Amplifier -R12-2) | 17 | Terminal 31 | |
| 8 | Rear left treble loudspeaker -R14- , -1) Rear left bass loudspeaker -R15- , -1) Amplifier -R12-2) | 18 | Terminal 30 |
| 1) Only for vehicles without an amplifier -R12- |
| 2) Only for vehicles with an amplifier -R12- |
| -T12aa- (H) | Designation | -T12ab- (G) | Designation | -T12ac- (F) | Designation | ||
| 1 | 1 | 1 | Telephone microphone -R38- | ||||
| 2 | 2 | 2 | |||||
| 3 | 3 | USB connection 1 -U41- | 3 | ||||
| 4 | 4 | USB connection 1 -U41- | 4 | ||||
| 5 | 5 | 5 | |||||
| 6 | A178 Connection (infotainment CAN bus, high), in dash panel wiring harness | 6 | 6 | Reversing camera -R189- | |||
| 7 | 7 | 7 | Telephone microphone -R38- | ||||
| 8 | 8 | 8 | |||||
| 9 | 9 | 9 | |||||
| 10 | 10 | 10 | |||||
| 11 | 11 | 11 | |||||
| 12 | A179 Connection (infotainment CAN bus, low), in dash panel wiring harness | 12 | 12 | Reversing camera -R189- |
| Back to overview |
| Fitting location: |
| in centre of dash panel. |
Note:
| Multiway connector housing E (chambers: 9-18), made up of connectors F, G, H and J. |
| 1 - | Control unit 1 for information electronics -J794- |
| q | with multimedia system operating unit -E380- and display unit for front information display and operating unit control unit -J685- |
| A - | 2-pin connector -T2fw- , black |
| q | DAB aerial connection for impedance converter for rear right window aerial -R236- , digital radio aerial -R183- |
| B - | 4-pin connector -T4by- , white |
| q | AM/FM aerial connection for impedance converter for rear left window aerial -R235- , aerial -R11- |
| q | FM2 aerial connection for impedance converter for rear right window aerial -R236- , radio aerial 2 -R93- |
| C - | 2-pin connector -T2fx- , blue |
| q | GPS aerial connection for GPS aerial -R50- in the roof aerial -RX5- |
| D - | 5-pin connector -T5af- , yellow |
| q | to connection for external audio sources -R199- |
| E - | 8-pin connector -T8ab- , black |
| F - | 8-pin connector -T8ac- , brown |
| G - | 12-pin connector -T12ac- , blue |
| H - | 12-pin connector -T12ab- , green |
| J - | 12-pin connector -T12aa- , grey |
| Connector assignment, control unit 1 for information electronics -J794- |
| -T8ac- (F) | Designation | -T8ab- (E) | Designation | |
| 1 | Rear right treble loudspeaker -R16- , +1) Rear right bass loudspeaker -R17- , +1) Amplifier -R12-2) | 9 | ||
| 2 | Front right treble loudspeaker -R22- , +1) Front right bass loudspeaker -R23- , +1) Amplifier -R12-2) | 10 | ||
| 3 | Front left treble loudspeaker -R20- , +1) Front left bass loudspeaker -R21- , +1) Amplifier -R12-2) | 11 | ||
| 4 | Rear left treble loudspeaker -R14- , +1) Rear left bass loudspeaker -R15- , +1) Amplifier -R12-2) | 12 | ||
| 5 | Rear right treble loudspeaker -R16- , -1) Rear right bass loudspeaker -R17- , -1) Amplifier -R12-2) | 13 | ||
| 6 | Front right treble loudspeaker -R22- , -1) Front right bass loudspeaker -R23- , -1) Amplifier -R12-2) | 14 | ||
| 7 | Front left treble loudspeaker -R20- , -1) Front left bass loudspeaker -R21- , -1) Amplifier -R12-2) | 17 | Terminal 31 | |
| 8 | Rear left treble loudspeaker -R14- , -1) Rear left bass loudspeaker -R15- , -1) Amplifier -R12-2) | 18 | Terminal 30 |
| 1) Only for vehicles without an amplifier -R12- |
| 2) Only for vehicles with an amplifier -R12- |
| -T12aa- (J) | Designation | -T12ab- (H) | Designation | -T12ac- (G) | Designation | ||
| 1 | 1 | Connection for external audio sources -R199- | 1 | Telephone microphone -R38- | |||
| 2 | 2 | Connection for external audio sources -R199- | 2 | ||||
| 3 | 3 | Connection for external audio sources -R199- | 3 | ||||
| 4 | 4 | Connection for external audio sources -R199- | 4 | ||||
| 5 | 5 | 5 | |||||
| 6 | A178 Connection (infotainment CAN bus, high), in dash panel wiring harness | 6 | 6 | Reversing camera -R189- | |||
| 7 | 7 | Connection for external audio sources -R199- | 7 | Telephone microphone -R38- | |||
| 8 | 8 | Connection for external audio sources -R199- | 8 | ||||
| 9 | 9 | 9 | |||||
| 10 | 10 | 10 | |||||
| 11 | 11 | 11 | |||||
| 12 | A179 Connection (infotainment CAN bus, low), in dash panel wiring harness | 12 | 12 | Reversing camera -R189- |
| Back to overview |
| Data bus diagnostic interface -J533- |
| Fitting location: |
| in driver's footwell, near centre console |
| 1 - | Data bus diagnostic interface -J533- |
| A - | 20-pin connector -T20- |
|
| Entry and start authorisation control unit -J518- |
| Fitting location: |
| next to steering column, near centre console |
| 1 - | Entry and start authorisation control unit -J518- |
| A - | 32-pin connector -T32e- |
|
|
| Multifunction steering wheel control unit -J453- , from May 2014 |
| Fitting location: |
| in multifunction steering wheel |
| 1 - | Multifunction steering wheel control unit -J453- |
| A - | 6-pin connector -T6- |
| B - | 12-pin connector -T12- |
|
|
| Connector assignment of steering column electronics control unit -J527- : |
| A - | Steering column electronics control unit -J527- |
| B - | 4-pin connector -T4- for airbag |
| C - | 10-pin connector -T10- for turn signal switch -E2- /headlight dipper and flasher switch -E4- /cruise control system switch -E45- |
| D - | 20-pin connector -T20d- |
| E - | 4-pin connector -T4k- |
| F - | 12-pin connector -T12j- /ignition/starter switch -D- /ignition key withdrawal lock solenoid -N376- |
| G - | 8-pin connector -T8- for intermittent wiper switch -E22- /intermittent wiper regulator -E38- /washer pump switch (automatic wash/wipe and headlight washer system) -E44- /multifunction display call-up button -E86- /reset button -E92- |
| H - | 8-pin connector -T10- for steering angle sender -G85- |
| I - | 10-pin connector -T10x- for coil connector -F350- /airbag coil connector and return ring with slip ring -F138- |
| T4 (B) | Designation | T10 (C) | Designation | T20d (D) | Designation | ||
| 1 | Airbag 1- | 1 | Cruise control system terminal 15 voltage supply | 1 | not assigned | ||
| 2 | Airbag 1+ | 2 | CCS off | 2 | not assigned | ||
| 3 | Airbag 2+ | 3 | Cruise control system (CCS) SET button -E227- Res (+), Set (-) | 3 | not assigned | ||
| 4 | Airbag 2- | 4 | CCS on/off | 4 | not assigned | ||
| 5 | Earth CCS | 5 | not assigned | ||||
| 6 | Cruise control system terminal 58 illumination | 6 | not assigned | ||||
| 7 | Headlight flasher | 7 | not assigned | ||||
| 8 | Main beam | 8 | not assigned | ||||
| 9 | Turn signal | 9 | Onboard supply control unit -J519- terminal S 1 | ||||
| 10 | Turn signal earth | 10 | not assigned | ||||
| 11 | Data bus diagnostic interface -J533- /connection 1 (powertrain CAN bus, low), in main wiring harness -B390- | ||||||
| 12 | Data bus diagnostic interface -J533- /connection 1 (powertrain CAN bus, high), in main wiring harness -B383- | ||||||
| 13 | Engine control unit -J623- /connection (CCS), in main wiring harness -B441- | ||||||
| 14 | Data bus diagnostic interface -J533- /connection 1 (convenience CAN bus, high), in main wiring harness -B397- | ||||||
| 15 | Data bus diagnostic interface -J533- /connection 1 (convenience CAN bus, low), in main wiring harness -B406- | ||||||
| 16 | Selector lever locked in position P switch -F319- | ||||||
| 17 | Terminal 15 | ||||||
| 18 | Terminal 50 | ||||||
| 19 | Terminal 30 | ||||||
| 20 | Terminal 31 |
| 1 From May 2009 |
| T4k (E) | Designation | T12j (F) | Designation | T8 (G) | Designation | ||
| 1 | Airbag 1- | 1 | not assigned | 1 | Wiper switch signal | ||
| 2 | Airbag 1+ | 2 | not assigned | 2 | Earth wiper | ||
| 3 | Airbag 2+ | 3 | 2-pin connector -T2dy- , ignition key withdrawal lock solenoid -N376- terminal 30 | 3 | Rear lid wash/wipe signal | ||
| 4 | Airbag 2- | 4 | 2-pin connector -T2dy- , ignition key withdrawal lock solenoid -N376- earth | 4 | not assigned | ||
| 5 | not assigned | 5 | MFD signal | ||||
| 6 | not assigned | 6 | Earth MFD, interval potentiometer | ||||
| 7 | Ignition/starter switch -D- , output terminal 50 | 7 | Intermittent operation speeds signal | ||||
| 8 | Ignition/starter switch -D- , terminal 30 | 8 | not assigned | ||||
| 9 | Ignition/starter switch -D- , output terminal S | ||||||
| 10 | Ignition/starter switch -D- , output terminal X | ||||||
| 11 | Ignition/starter switch -D- , output terminal P | ||||||
| 12 | Ignition/starter switch -D- , output terminal 15 |
| T10 (H) | Designation | T10x (I) | Designation | |
| 1 | Photoelectric beam 5 | 1 | not assigned | |
| 2 | Photoelectric beam 3 | 2 | not assigned | |
| 3 | Photoelectric beam 1 | 3 | Airbag 1 + | |
| 4 | 12 Volt voltage supply | 4 | Airbag 1 - | |
| 5 | 5 Volt voltage supply | 5 | Airbag 2 + | |
| 6 | Photoelectric beam 6 | 6 | Airbag 2 - | |
| 7 | Photoelectric beam 4 | 7 | Earth for coil connector, multifunction steering wheel and signal horn | |
| 8 | Photoelectric beam 2 | 8 | CCS in detent -Off-, signal horn | |
| 9 | Earth | 9 | LIN bus, heated steering wheel temperature sensor | |
| 10 | Photoelectric beam 7 | 10 | Multifunction steering wheel voltage supply terminal 15 |
| Back to overview |
| Steering column electronics control unit -J527- , from May 2009 |
| Fitting location: |
| under steering column, near steering column switch |
| 1 - | Steering column electronics control unit -J527- |
| A - | 16-pin connector -T16l- |
| B - | 4-pin connector -T4k- |
|
| Control unit for electronic steering column lock -J764- |
| Fitting location: |
| behind steering column trim |
| 1 - | Control unit for electronic steering column lock -J764- |
| A - | 16-pin connector -T16ls- |
|
| Control unit in dash panel insert -J285- , up to April 2009 |
| Fitting location: |
| in the dash panel. |
| 36-pin connector -T36- |
| Connector assignment of control unit in dash panel insert -J285- : |
| T36 | Designation | T36 | Designation | T36 | Designation | ||
| 1 | Fuse 14 on fuse holder C -SC2- terminal 15a | 13 | Diagnostic interface for dash panel insert -J533- CAN data bus, high | 25 | Oil pressure switch -F1- | ||
| 2 | Fuse 6 on fuse holder B -SB6- terminal 30a | 14 | not assigned | 26 | Oil level and oil temperature sender -G266- | ||
| 3 | not assigned | 15 | Diagnostic interface for dash panel insert -J533- CAN data bus, wake-up wire | 27 | not assigned | ||
| 4 | not assigned | 16 | not assigned | 28 | not assigned | ||
| 5 | Brake fluid level warning lamp -K33- | 17 | Fuel gauge -G1- (full) | 29 | not assigned | ||
| 6 | Handbrake warning switch -F9- | 18 | Fuel gauge -G1- (empty) | 30 | not assigned | ||
| 7 | Immobiliser reader coil -D2- | 19 | Earth connection 2, in main wiring harness -367- terminal 31 | 31 | not assigned | ||
| 8 | Immobiliser reader coil -D2- | 20 | not assigned | 32 | not assigned | ||
| 9 | not assigned | 21 | not assigned | 33 | Earth connection (sender earth), in interior wiring harness -401- | ||
| 10 | not assigned | 22 | Front left brake pad wear sender -G34- | 34 | Windscreen washer fluid level sender -G33- | ||
| 11 | not assigned | 23 | not assigned | 35 | Coolant shortage indicator sender -G32- | ||
| 12 | Diagnostic interface for dash panel insert -J533- CAN data bus, low | 24 | not assigned | 36 | Ambient temperature sensor -G17- |
| Back to overview |
| Control unit in dash panel insert -J285- , from May 2009 |
| 1 - | Control unit in dash panel insert -J285- |
| A - | 32-pin connector -T32- |
| Connector assignment of control unit in dash panel insert -J285- : |
| T32 | Designation | T32 | Designation | T32 | Designation | ||
| 1 | Fuel gauge sender -G- (full) | 12 | not assigned | 23 | not assigned | ||
| 2 | Fuel gauge sender -G- (empty) | 13 | not assigned | 24 | not assigned | ||
| 3 | not assigned | 14 | not assigned | 25 | Handbrake warning lamp -K139- | ||
| 4 | not assigned | 15 | Front left brake pad wear sender -G34- | 26 | Brake fluid level warning lamp -K33- | ||
| 5 | not assigned | 16 | Earth connection 22, in main wiring harness -367- | 27 | Oil pressure warning lamp -K3- | ||
| 6 | not assigned | 17 | Washer fluid level warning lamp -K37- | 28 | Diagnostic interface for dash panel insert -J533- CAN data bus, high | ||
| 7 | Immobiliser reader coil -D2- | 18 | Coolant temperature and coolant shortage warning lamp -K28- | 29 | Diagnostic interface for dash panel insert -J533- CAN data bus, low | ||
| 8 | Immobiliser reader coil 2 -D3- | 19 | Ambient temperature sensor -G17- | 30 | not assigned | ||
| 9 | Sliding sunroof adjustment control unit -J245- , speed signal, output | 20 | Earth connection 1 (sender earth) in main wiring harness -410- | 31 | Fuse 2 on fuse holder C -SC2- terminal 15a | ||
| 10 | not assigned | 21 | not assigned | 32 | Fuse 6 on fuse holder B -SB6- terminal 30a | ||
| 11 | Oil level and oil temperature sender -G266- | 22 | not assigned |
| Back to overview |
|
|
|
| Connector assignment of onboard supply control unit -J519- : |
| A - | 11-pin connector -T11b- |
| B - | 12-pin connector -T12a- |
| C - | 12-pin connector -T12m- |
| D - | 11-pin connector -T11c- |
| E - | 16-pin connector -T16k- |
| F - | 8-pin connector -T8a- |
| G - | 12-pin connector -T12n- |
| H - | 12-pin connector -T12- |
| q | not assigned |
| I - | 2-pin connector -T2z- |
| J - | 6-pin connector -T6l- |
| K - | 10-pin connector -T10- |
| L - | 2-pin connector -T2t- |
| T11b (A) | Designation | T12a (B) | Designation | T12m (C) | Designation | ||
| 1 | Terminal 30 | 1 | Rear fog light bulb | 1 | Seat heating control unit | ||
| 2 | Right dipped beam bulb/ right gas discharge light control unit | 2 | not assigned | 2 | Left brake light bulb | ||
| 3 | Right main beam bulb (not for xenon) / right static cornering light (only for xenon) | 3 | not assigned | 3 | Left reversing light bulb | ||
| 4 | Right fog light bulb -L23- | 4 | Right reversing light bulb, automatic anti-dazzle interior mirror | 4 | not assigned | ||
| 5 | Right dipped beam screen motor (xenon) | 5 | Right brake light bulb | 5 | not assigned | ||
| 6 | Front right turn signal bulb | 6 | not assigned | 6 | not assigned | ||
| 7 | Left side light bulb | 7 | Footwell lighting bulb front left, footwell lighting bulb front right | 7 | not assigned | ||
| 8 | Power output module for left gas discharge headlight | 8 | not assigned | 8 | Number plate light | ||
| 9 | Earth | 9 | Right tail light bulb | 9 | High-level brake light bulb | ||
| 10 | Fuel pump control unit | 10 | Rear right turn signal bulb | 10 | Left tail light bulb | ||
| 11 | Terminal 50 voltage supply relay | 11 | Front interior light, button illumination bulb | 11 | Rear left turn signal bulb | ||
| 12 | Terminal 58d | 12 | Left reversing light bulb (only models without rear left fog light bulb) |
| T11c (D) | Designation | T16k (E) | Designation | T8a (F) | Designation | ||
| 1 | Terminal 30 | 1 | Lighting switch terminal 58 | 1 | Terminal 50 voltage supply relay | ||
| 2 | Left fog light bulb | 2 | Brake light switch | 2 | not assigned | ||
| 3 | Left main beam headlight, dipped beam | 3 | not assigned | 3 | Windscreen wiper motor, rain and light sensor (LIN bus) | ||
| 4 | Left dipped beam bulb | 4 | not assigned | 4 | Alternator | ||
| 5 | Earth | 5 | not assigned | 5 | Bonnet contact switch | ||
| 6 | Left dip beam screen motor | 6 | Fog light switch | 6 | not assigned | ||
| 7 | not assigned | 7 | Earth (only models with manual gearbox for American markets) | 7 | Terminal 30 | ||
| 8 | Headlight washer system relay | 8 | Lighting switch terminal 56 | 8 | Terminal 31 | ||
| 9 | Right gas discharge headlight | 9 | not assigned | ||||
| 10 | Right side light bulb | 10 | not assigned | ||||
| 11 | Left side light bulb | 11 | not assigned | ||||
| 12 | not assigned | ||||||
| 13 | Rear fog light switch | ||||||
| 14 | Light switch, driving light assist | ||||||
| 15 | not assigned | ||||||
| 16 | Light switch |
| T12n (G) | Designation | T2z (I) | Designation | T6l (J) | Designation | ||
| 1 | Steering column electronics control unit terminal 50 | 1 | Fuses terminal 30 | 1 | Washer pump fuse | ||
| 2 | Indicator lamp for hazard warning light | 2 | Terminal 75a | 2 | Washer pump | ||
| 3 | not assigned | 3 | Horn fuse | ||||
| 4 | Instrument illumination regulator | 4 | Washer pump | ||||
| 5 | not assigned | 5 | Earth | ||||
| 6 | not assigned | 6 | Treble tone horn, bass tone horn | ||||
| 7 | Convenience CAN bus low | ||||||
| 8 | Convenience CAN bus high | ||||||
| 9 | Hazard warning light switch | ||||||
| 10 | Instrument illumination regulator | ||||||
| 11 | Steering column electronics control unit terminal 15 | ||||||
| 12 | Instrument illumination regulator |
| T10 (K) | Designation | T2t (L) | Designation | |
| 1 | Heated rear window | 1 | Fuse 28 on fuse holder B -SB28- terminal 30 | |
| 2 | not assigned | 2 | Interior terminal 15 | |
| 3 | not assigned | |||
| 4 | not assigned | |||
| 5 | Fuse terminal 30 | |||
| 6 | Heated rear window | |||
| 7 | not assigned | |||
| 8 | not assigned | |||
| 9 | not assigned | |||
| 10 | Terminal 30g |
| Back to overview |
| Onboard supply control unit -J519- (BCM), from May 2009 |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| under dash panel on driver side, under relay carrier |
| 1 - | Onboard supply control unit -J519- |
| A - | 52-pin connector -T52a- , black |
| B - | 52-pin connector -T52b- , white |
| C - | 52-pin connector -T52c- , brown |
| Connector assignment of onboard supply control unit -J519- : |
| T52a (A) | Designation | T52b (B) | Designation | T52c (C) | Designation | ||
| 1 | Fuse 26 on fuse holder B -SB26- | 1 | Fuse 38 on fuse holder C -SC38- , central locking | 1 | not assigned | ||
| 2 | not assigned | 2 | Rear window wiper motor -V12- , windscreen and rear window washer pump -V59- | 2 | not assigned | ||
| 3 | not assigned | 3 | not assigned | 3 | Right tail light bulb -M2- | ||
| 4 | Right washer jet heater element -Z21- , left washer jet heater element -Z20- | 4 | not assigned | 4 | Left brake light bulb -M9- | ||
| 5 | Left headlight main beam bulb -M30- , left static cornering light -M51- | 5 | Tank filler flap locking motor -V155- | 5 | Earth connection 1, in main wiring harness -366- | ||
| 6 | Left tail light bulb -M4- , right rear fog lamp bulb -L47- | 6 | not assigned | 6 | not assigned | ||
| 7 | Left daytime running light bulb -L174- | 7 | not assigned | 7 | Hazard warning light switch -E3- | ||
| 8 | Right daytime running light bulb -L175- | 8 | not assigned | 8 | not assigned | ||
| 9 | Rear right turn signal bulb -M8- | 9 | not assigned | 9 | not assigned | ||
| 10 | Front left turn signal bulb -M5- | 10 | not assigned | 10 | Front interior light -W1- , button for deactivating interior monitoring and vehicle inclination sensor -E616- | ||
| 11 | Left gas discharge bulb control unit -J343- , left headlight dipped beam bulb -M29- | 11 | Rear lid release motor -V139- | 11 | not assigned | ||
| 12 | Rear lid lock unit -F256- , luggage compartment light switch -F5- , luggage compartment light -W3- | 12 | Terminal 15 voltage supply relay 2 -J681- | 12 | not assigned | ||
| 13 | not assigned | 13 | not assigned | 13 | Steering column electronics control unit -J527- , ignition/starter switch -D- , terminal S | ||
| 14 | Bonnet contact switch -F266- | 14 | not assigned | 14 | Positive connection (50), in main wiring harness -B276- , steering column electronics control unit -J527- | ||
| 15 | not assigned | 15 | Switch and instrument illumination regulator -E20- | 15 | Data bus diagnostic interface -J533- , connection 1 (convenience CAN bus, high), in main wiring harness -B397- | ||
| 16 | Reversing light switch -F4- | 16 | not assigned | 16 | Data bus diagnostic interface -J533- , connection 1 (convenience CAN bus, low), in main wiring harness -B406- | ||
| 17 | Rear fog light switch -E18- | 17 | not assigned | 17 | Brake light switch -F- | ||
| 18 | Light switch -E1- , 0 position | 18 | not assigned | 18 | not assigned | ||
| 19 | Light switch -E1- , side light | 19 | not assigned | 19 | not assigned | ||
| 20 | Light switch -E1- , driving light assist | 20 | not assigned | 20 | not assigned | ||
| 21 | Fog light switch -E7- | 21 | Heated front seats control unit -J774- | 21 | not assigned | ||
| 22 | Light switch -E1- , dip beam | 22 | Heated rear window relay -J9- | 22 | not assigned | ||
| 23 | Earth connection 15, in main wiring harness-380- | 23 | not assigned | 23 | not assigned | ||
| 24 | Fuse 3 on fuse holder B -SB3- , terminal 30ref | 24 | Hazard warning lights button -E229- | 24 | not assigned | ||
| 25 | Left fog light bulb -L22- | 25 | not assigned | 25 | Right fog light bulb -L23- | ||
| 26 | Right brake light bulb -M10- | 26 | not assigned | 26 | Front left side marker bulb -M33- | ||
| 27 | Left tail light bulb -M4- | 27 | not assigned | 27 | Number plate light -X- | ||
| 28 | Left reversing light bulb -M16- | 28 | X-contact relief relay -J59- | 28 | Right reversing light bulb -M17- , right rear fog lamp bulb -L47- | ||
| 29 | Rear lid lock unit -F256- | 29 | Terminal 50 voltage supply relay -J682- | 29 | not assigned | ||
| 30 | not assigned | 30 | Switch and instrument illumination regulator -E20- | 30 | Mechatronic unit for dual clutch gearbox -J743- interlock, earth connection 17, in main wiring harness -382- manual gearbox | ||
| 31 | not assigned | 31 | not assigned | 31 | Steering column electronics control unit -J527- , potential 15 | ||
| 32 | not assigned | 32 | not assigned | 32 | DC/AC converter with socket, 12 V - 230 V -U13- , potential 61, without start/stop function, heater operating and display unit1 | ||
| 33 | not assigned | 33 | Wiper motor control unit -J400-Rain and light sensor -G397- , LIN bus | 33 | not assigned | ||
| 34 | not assigned | 34 | not assigned | 34 | Positive connection (50), in dash panel wiring harness -A41- | ||
| 35 | not assigned | 35 | not assigned | 35 | Switch and instrument illumination regulator -E20- | ||
| 36 | Button for deactivating interior monitoring and vehicle inclination sensor -E616- | 36 | Alarm horn -H12- , interior monitoring sensor -G273- , vehicle inclination sender -G384- | 36 | not assigned | ||
| 37 | not assigned | 37 | Button for deactivating interior monitoring and vehicle inclination sensor -E616- , interior monitoring off warning lamp -K162- | 37 | not assigned | ||
| 38 | not assigned | 38 | Fuel pump control unit -J538- , fuel supply relay -J643- | 38 | not assigned | ||
| 39 | not assigned | 39 | not assigned | 39 | not assigned | ||
| 40 | not assigned | 40 | Headlight washer system relay -J39- | 40 | not assigned | ||
| 41 | not assigned | 41 | Dual tone horn relay -J4- | 41 | not assigned | ||
| 42 | Earth connection 19, in main wiring harness -384- | 42 | Fuse 24 on fuse holder C -SC24- | 42 | Fuse 16 on fuse holder B -SB16- | ||
| 43 | Rear window wiper motor -V12- , windscreen and rear window washer pump -V59- | 43 | Positive connection 1 (30g), in main wiring harness -B559- | 43 | not assigned | ||
| 44 | Front right side marker bulb -M34- | 44 | not assigned | 44 | not assigned | ||
| 45 | High-level brake light bulb -M25- | 45 | not assigned | 45 | not assigned | ||
| 46 | Tank filler flap locking motor -V155- | 46 | not assigned | 46 | Right headlight main beam bulb -M32- | ||
| 47 | not assigned | 47 | not assigned | 47 | Rear left fog light bulb -L46- | ||
| 48 | not assigned | 48 | not assigned | 48 | Left main and dip beam switch-over solenoid -N347- | ||
| 49 | not assigned | 49 | not assigned | 49 | Right main and dip beam switch-over solenoid -N348- | ||
| 50 | not assigned | 50 | Left footwell light -W9-Right footwell light -W10- | 50 | Front right turn signal bulb -M7- | ||
| 51 | not assigned | 51 | Connection 1 (58d), in main wiring harness -B340- | 51 | Rear left turn signal bulb -M6- | ||
| 52 | not assigned | 52 | Earth connection 1, in main wiring harness -366- | 52 | Right headlight dipped beam bulb -M31- |
| 1 Only models with start/stop and energy recovery function |
| Back to overview |
| Parking aid control unit -J446- /park assist steering control unit -J791- |
Note:
| t | The fitting location shown for the parking aid control unit -J446- applies to models from May 2014. |
| t | In models up to May 2014, the parking aid control unit -J446- is fitted on the right in the luggage compartment behind the side trim. |
| Fitting location: |
| under dash panel on driver side, above relay carrier |
| 1 - | Parking aid control unit -J446- /park assist steering control unit -J791- |
| A - | 26-pin connector -T26- |
| B - | 18-pin connector -T18- |
|
| Wiper motor control unit -J400- |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| In driver side plenum chamber. |
| 1 - | Wiper motor control unit -J400- |
| A - | 4-pin connector -T4q- |
|
|
| Connector assignment of power steering control unit -J500- : |
| A - | Power steering control unit -J500- |
| B - | 5-pin connector -T5g- |
| C - | 5-pin connector -T5h- |
| D - | 2-pin connector -T2a- |
|
| Power steering control unit -J500- , from May 2009 |
| Fitting location: |
| on steering on centre of assembly carrier |
| 1 - | Power steering control unit -J500- |
| A - | 3-pin connector -T3be- |
| B - | 2-pin connector -T2a- |
| C - | 5-pin connector -T5ab- |
|
| Battery monitor control unit -J367- |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| on the battery. |
| 1 - | Battery monitor control unit -J367- |
| A - | 2-pin connector -T2fj- |
|
| Mechatronic unit for dual clutch gearbox -J743- , 20-pin connector -T20e- |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| on dual clutch gearbox 02E |
| 1 - | Mechatronic unit for dual clutch gearbox -J743- |
| A - | 20-pin connector -T20e- |
|
| Mechatronic unit for dual clutch gearbox -J743- , 25-pin connector -T25- |
Note:
| The depicted vehicle model does not correspond with the actual vehicle model. The fitting location is identical in the actual vehicle model, however. |
| Fitting location: |
| on dual clutch gearbox 0AM |
| 1 - | Mechatronic unit for dual clutch gearbox -J743- |
| A - | 25-pin connector -T25- |
|
