Wiring Diagram AUDI A5 CABRIOLET 2009 - Airbag coil connector and return ring with slip ring - Airbag control unit - Driver side airbag igniter - Front passenger side airbag igniter 1 - Front passenger side airbag igniter 2 - Driver side airbag igniter 2
| F138 | Airbag coil connector and return ring with slip ring |
| J234 | Airbag control unit |
| N95 | Driver side airbag igniter |
| N131 | Front passenger side airbag igniter 1 |
| N132 | Front passenger side airbag igniter 2 |
| N250 | Driver side airbag igniter 2 |
| ST1 | Fuse carrier 1 |
| SC14 | Fuse 14 on fuse holder C |
| T2bh | 2-pin connector, green |
| T2cl | 2-pin connector, black |
| T4ac | 4-pin connector |
| T5b | 5-pin connector, yellow |
| T5c | 5-pin connector, yellow |
| T10n | 10-pin connector, black |
| T17x | 17-pin connector, yellow |
| T100 | 100-pin connector |
| B163 | Positive connection 1 (15), in interior wiring harness |
| * | If fitted |
| *2 | see applicable current flow diagram for fuse assignment |
| *3 | Up to April 2009 |
| *4 | From May 2009 |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Airbag control unit - Battery isolation igniter - Driver side roll-over bar solenoid - Front passenger side roll-over bar solenoid - Terminal 30 wiring junction 2
| J234 | Airbag control unit |
| N253 | Battery isolation igniter |
| N309 | Driver side roll-over bar solenoid |
| N310 | Front passenger side roll-over bar solenoid |
| T2dw | 2-pin connector, blue |
| T2dx | 2-pin connector, blue |
| T2y | 2-pin connector |
| TV22 | Terminal 30 wiring junction 2 |
| T100 | 100-pin connector |
| * | see applicable current flow diagram for fuse assignment |
| *2 | According to equipment |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Driver side belt force limiter - Front passenger side belt force limiter - Airbag control unit - Driver seat belt tensioner igniter 1 - Front passenger seat belt tensioner igniter 1 - Rear belt tensioner igniter on driver side - Rear belt tensioner igniter on front passenger side
| G551 | Driver side belt force limiter |
| G552 | Front passenger side belt force limiter |
| J234 | Airbag control unit |
| N153 | Driver seat belt tensioner igniter 1 |
| N154 | Front passenger seat belt tensioner igniter 1 |
| N196 | Rear belt tensioner igniter on driver side |
| N197 | Rear belt tensioner igniter on front passenger side |
| T2ai | 2-pin connector, black |
| T2ca | 2-pin connector, black |
| T2cd | 2-pin connector, yellow |
| T2ce | 2-pin connector, yellow |
| T2cq | 2-pin connector, green |
| T2cr | 2-pin connector, green |
| T100 | 100-pin connector |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Side airbag crash sensor on driver side - Side airbag crash sensor on front passenger side - Rear side airbag crash sensor on driver side - Rear side airbag crash sensor on front passenger side - Front airbag crash sensor for driver side - Front airbag crash sensor for front passenger side - Airbag control unit
| G179 | Side airbag crash sensor on driver side |
| G180 | Side airbag crash sensor on front passenger side |
| G256 | Rear side airbag crash sensor on driver side |
| G257 | Rear side airbag crash sensor on front passenger side |
| G283 | Front airbag crash sensor for driver side |
| G284 | Front airbag crash sensor for front passenger side |
| J234 | Airbag control unit |
| T2cb | 2-pin connector |
| T2cc | 2-pin connector |
| T2ci | 2-pin connector |
| T2cj | 2-pin connector |
| T2m | 2-pin connector |
| T2o | 2-pin connector |
| T27a | 27-pin connector, lower part of A-pillar, driver side |
| T27c | 27-pin connector, lower part of A-pillar, front passenger side |
| T100 | 100-pin connector |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Airbag control unit - Side airbag igniter on driver side - Side airbag igniter on front passenger side
| J234 | Airbag control unit |
| N199 | Side airbag igniter on driver side |
| N200 | Side airbag igniter on front passenger side |
| T3h | 3-pin connector, yellow |
| T3k | 3-pin connector, yellow |
| T100 | 100-pin connector |
| 366 | Earth connection 1, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Key operated switch to deactivate front passenger side airbag - Airbag control unit - Front passenger side airbag deactivated warning lamp
| E224 | Key operated switch to deactivate front passenger side airbag |
| J234 | Airbag control unit |
| K145 | Front passenger side airbag deactivated warning lamp |
| T6ae | 6-pin connector |
| T12k | 12-pin connector, near glove compartment |
| T17f | 17-pin connector, brown |
| T17g | 17-pin connector, black |
| T100 | 100-pin connector |
| 475 | Earth connection (airbag), in main wiring harness |
| * | Only models with key operated switch to deactivate front passenger airbag |
| *2 | Wiring colour depends on equipment |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Driver side belt switch - Front passenger side belt switch - Seat occupied sensor - front passenger side - Driver side seat position sensor - Front passenger side seat position sensor - Airbag control unit
| E24 | Driver side belt switch |
| E25 | Front passenger side belt switch |
| G128 | Seat occupied sensor, front passenger side |
| G553 | Driver side seat position sensor |
| G554 | Front passenger side seat position sensor |
| J234 | Airbag control unit |
| T2cf | 2-pin connector, black |
| T2cg | 2-pin connector, black |
| T2ch | 2-pin connector, blue |
| T10n | 10-pin connector, black |
| T10o | 10-pin connector, black |
| T100 | 100-pin connector |
| 109 | Earth connection, in airbag wiring harness |
| 312 | Earth connection 2, in airbag wiring harness |
| 475 | Earth connection (airbag), in main wiring harness |
| * | Only models with no US equipment |
| *2 | Special equipment |
| *3 | Wiring colour depends on equipment |
| *4 | Cross section depends on equipment |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Front passenger side belt switch - Pressure sensor for seat occupied recognition - Seat belt force sensor for seat occupied recognition - Front passenger side seat position sensor - Airbag control unit - Seat occupied recognition control unit
| E25 | Front passenger side belt switch |
| G452 | Pressure sensor for seat occupied recognition |
| G453 | Seat belt force sensor for seat occupied recognition |
| G554 | Front passenger side seat position sensor |
| J234 | Airbag control unit |
| J706 | Seat occupied recognition control unit |
| T8ac | 8-pin connector |
| T10n | 10-pin connector, black |
| T100 | 100-pin connector |
| 312 | Earth connection 2, in airbag wiring harness |
| B637 | Connection 1 (airbag), in main wiring harness |
| * | Special equipment |
| *2 | If fitted |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Airbag control unit - Driver side knee airbag igniter - Front passenger side knee airbag igniter
| J234 | Airbag control unit |
| N295 | Driver side knee airbag igniter |
| N296 | Front passenger side knee airbag igniter |
| T3at | 3-pin connector, yellow |
| T3au | 3-pin connector, yellow |
| T5a | 5-pin connector, yellow |
| T17x | 17-pin connector, yellow |
| T100 | 100-pin connector |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| * | Special equipment |
| *2 | From May 2009 |
| *3 | Up to April 2009 |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Airbag control unit - Data bus diagnostic interface
| J234 | Airbag control unit |
| J533 | Data bus diagnostic interface |
| T16 | 16-pin connector, on diagnostic connection |
| T17b | 17-pin connector, blue |
| T17e | 17-pin connector, red |
| T20d | 20-pin connector |
| T100 | 100-pin connector |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B384 | Connection 2 (powertrain CAN bus, high), in main wiring harness |
| B385 | Connection 3 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B391 | Connection 2 (powertrain CAN bus, low), in main wiring harness |
| B392 | Connection 3 (powertrain CAN bus, low), in main wiring harness |
Wiring Diagram AUDI A5 CABRIOLET 2009 - Control unit in dash panel insert - Data bus diagnostic interface - Airbag warning lamp
| J285 | Control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| K75 | Airbag warning lamp |
| ST2 | Fuse carrier 2 |
| SD4 | Fuse 4 on fuse holder D |
| SD5 | Fuse 5 on fuse holder D |
| T20d | 20-pin connector |
| T32f | 32-pin connector |
| T46s | 46-pin connector |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| * | see applicable current flow diagram |
| *2 | see applicable current flow diagram for fuse assignment |
AUDI A5 CABRIOLET 2009 Overview of control units in interior of vehicle
| q | for models without MMI: |
| q | Connectors: |
| 8 - | Multimedia system operating unit -E380- |
| q | Fitting location and connector: |
| 10 - | Rear left door control unit -J388- |
| q | Fitting location and connectors: |
| 12 - | Airbag control unit -J234- |
| q | Fitting location and connector: |
| 13 - | Active steering control unit -J792- |
| q | Fitting location and connectors: |
| q | Connectors: |
| q | Fitting location and connectors for models with right-hand drive: |
| 17 - | Control unit for electronic steering column lock -J764- |
| q | Location: on steering column |
| 18 - | Climatronic control unit -J255- |
| q | Fitting location and connectors: |
| Overview of control units in rear part of vehicle |
| 1 - | Electronically controlled damping control unit -J250- |
| q | Location: in right of luggage compartment, behind side trim |
| q | Connector: |
| 1 - | Trailer detector control unit -J345- |
| q | Location: in right of luggage compartment, behind side trim |
| q | Connectors: |
| 2 - | Lane change assist control unit -J769- |
| q | Location: on inside of rear bumper |
| 3 - | Satellite radio -R146- |
| q | Location: in left of luggage compartment, behind side trim. |
|
| Connectors on driver door control unit -J386- |
| B - | 20-pin connector -T20f- |
| D - | 32-pin connector -T32j- |
| Connectors on front passenger door control unit -J387- |
| B - | 20-pin connector -T20g- |
| D - | 32-pin connector -T32l- |
|
| A - | Rear left door control unit -J388- |
| A2 - | 20-pin connector -T20h- |
| A3 - | Not assigned |
|
| A - | Rear right door control unit -J389- |
| A2 - | 20-pin connector -T20i- |
| A3 - | Not assigned |
|
| Rain and light detector sensor -G397- |
| 4 - | Main beam assist control unit -J844- |
Note
|
| A - | Onboard supply control unit -J519- |
| A2 - | 17-pin connector, brown (connector E) -T17m- |
| A4 - | 6-pin connector, green (connector G) -T6f- |
| A6 - | 16-pin connector, brown (connector C) -T16b- |
| Location onboard supply control unit -J519- for models with right-hand drive: |
| Driver side dash panel, bottom. |
Note
| t | Figure shows right-hand drive model. |
| t | Figure for left-hand drive models . |
| A - | Onboard supply control unit -J519- |
| A1 - | 17-pin connector, black (connector D) -T17l- |
| A2 - | 17-pin connector, brown (connector E) -T17m- |
| A3 - | 17-pin connector, red (connector F) -T17n- |
| A4 - | 6-pin connector, green (connector G) -T6f- |
| A5 - | 32-pin connector, grey (connector A) -T32a- |
| A6 - | 16-pin connector, brown (connector C) -T16b- |
| A7 - | 32-pin connector, black (connector B) -T32b- |
|
| 4 - | Active steering control unit -J792- |
| Connectors: |
| 2 - | 8-pin connector, black -T8g- |
AUDI A5 CABRIOLET 2009 Radio R (with integrated CD changer R41 / DVD changer R161 ) | Radio -R- (with integrated CD changer -R41- / DVD changer -R161-) |
| Fitting location: |
| in dash panel centre section. |
| A - | Radio -R- |
| A1 - | Connector block, consisting of: |
| t | 8-pin connector, brown -T8k- |
| t | 8-pin connector, black -T16l- |
| t | 12-pin connector, green -T12a- |
| t | 12-pin connector, blue -T12s- |
| 1-pin connector, black -T1i- (DAB connection) / 1-pin connector, green -T1k- (SDARS connection) |
| A4 - | 2-pin connector, white -T2df- (AM / FM1 / FM2 connection) |
|
| A - | CD changer -R41- / DVD changer -R161- |
| A1 - | 8-pin connector -T8aa- |
| A2 - | 2-pin connector -T2dm- |
Note
|
| A - | Chip card reader control unit -J676- |
AUDI A5 CABRIOLET 2009 Display unit for front information display and operating unit control unit J685 | Display unit for front information display and operating unit control unit -J685- |
| Fitting location: |
| Dash panel - centre. |
Note
| Connector -A1- is given as an example for differing equipment versions |
| A - | Display unit for front information display and operating unit control unit -J685- |
| A1 - | Connector for models with MMI High up to August 2009: |
| t | 22-pin connector, black -T22b- |
| A1 - | Connectors for models with MMI Basic, from September 2009: |
| t | 8-pin connector, black -T8ai- |
| t | 4-pin connector, white -T4ao- |
| A1 - | Connectors for models with MMI High from September 2009: |
| t | 8-pin connector, black -T8ai- |
| t | 4-pin connector, black -T4an- |
| A1 - | 10-pin connector, red -T10u- |
| A1 - | AUDI A5 CABRIOLET 2009 Control unit 1 for information electronics J794 | Control unit 1 for information electronics -J794- |
| Fitting location: |
| in dash panel centre section. |
| A - | Control unit 1 for information electronics -J794- |
| A2 - | 1-pin connector, blue -T1n- |
| A3 - | Not assigned |
| A5 - | for models with -J794- basic: |
| t | 4-pin connector, violet -T4al- |
| A6 - | 1-pin connector, green -T1o- |
| A7 - | Connector block, consisting of: |
| t | 8-pin connector, brown -T8ah- |
| t | 8-pin connector, black -T8ao- |
| t | 12-pin connector, blue -T12x- |
| t | 12-pin connector, green -T12y- |
AUDI A5 CABRIOLET 2009 Multimedia system operating unit E380 | Multimedia system operating unit -E380- |
| Fitting location: |
| on centre console. |
| A - | Multimedia system operating unit -E380- |
AUDI A5 CABRIOLET 2009 Climatronic control unit J255 | Climatronic control unit -J255- |
| Fitting location: |
| in dash panel centre section. |
| A - | Climatronic control unit -J255- |
| A2 - | 20-pin connector -T20e- |
|
| A - | Airbag control unit -J234- |
AUDI A5 CABRIOLET 2009 Telephone transmitter and receiver unit R36 | Telephone transmitter and receiver unit -R36- |
| Fitting location: |
| in front right footwell. |
| A - | Telephone transmitter and receiver unit -R36- |
| A1 - | Connector -B- (Aerial for Bluetooth) |
AUDI A5 CABRIOLET 2009 16-pin connector T16 , diagnostic connection | 16-pin connector -T16-, diagnostic connection |
| Fitting location: |
| Driver side dash panel, bottom. |
| A - | 16-pin connector -T16-, diagnostic connection |
|
| A - | Data bus diagnostic interface -J533- |
| A2 - | 20-pin connector -T20d- |
|
| A - | Control unit in dash panel insert -J285- |
AUDI A5 CABRIOLET 2009 Connectors on convenience system central control unit J393 | Connectors on convenience system central control unit -J393- |
| 2 - | 32-pin connector, black (connector B) -T32c- |
| 4 - | 32-pin connector, blue (connector F) -T32e- |
| 5 - | 6-pin connector (connector G) -nicht belegt- |
| 7 - | 1-pin connector, grey (connector D) -T1h- |
| Connectors on electronically controlled damping control unit -J250- |
| A - | Electronically controlled damping control unit -J250- |
| Connector: |
AUDI A5 CABRIOLET 2009 Connectors on trailer detector control unit J345 | Connectors on trailer detector control unit -J345- |
| A - | Trailer detector control unit -J345- |
| Connectors: |
| C - | 12-pin connector, red -T12d- |
| Connectors on park assist steering control unit -J791- |
| B - | 12-pin connector, brown -T12e- |
AUDI A5 CABRIOLET 2009 All-wheel drive control unit J492 | All-wheel drive control unit -J492- |
| Fitting location: |
| In spare wheel recess, in front of battery |
| 1 - | All-wheel drive control unit -J492- |
AUDI A5 CABRIOLET 2009 Voltage stabiliser J532 | Voltage stabiliser -J532- |
| Fitting location: |
| In spare wheel recess, on left next to battery. |
| 1 - | Voltage stabiliser -J532- |
AUDI A5 CABRIOLET 2009 Battery monitoring control unit J367 | Battery monitoring control unit -J367- |
| Fitting location: |
| on negative terminal of battery -A-. |
| 3 - | 2-pin connector -T2x- |
| Overview of convertible roof components |
| 12 - | Convertible roof actuation control unit -J256- |
| q | Fitting location: |
| 16 - | Left motor for convertible roof box -V433- |
| q | Fitting location: |
| Convertible roof actuation button -E137- / Central switch for window regulators -E643- |
| q | Fitting location: |
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| Overview of aerial amplifiers |
| 1 - | Aerial amplifier 4 -R113- |
| 2 - | Telephone aerial -R65- |
| 4 - | Aerial amplifier -R24- |
| 6 - | Satellite aerial -R170- |
AUDI A5 CABRIOLET 2009 Overview of fuses | Overview of fuses |
| Fuse holder A -SA- |
| q | Fitting location: |
| q | Location for models with right-hand drive only, up to July 2011: |
| q | Location for models with left-hand drive only, from August 2011: |
| q | Location for models with right-hand drive only, from August 2011: |
| q | Fitting location for models with right-hand drive: |
| 6-pin coupling station of A-pillar, driver side |
| q | Fitting location for models with left-hand drive: |
| q | Fitting location for models with right-hand drive: |
| 3-pin relay and fuse holder |
| q | Fitting location for models with left-hand drive: |
| q | Fitting location for models with right-hand drive: |
| Relay/fuse holder B -SB- |
| q | Location for models with left-hand drive only, up to July 2011: |
| q | Location for models with right-hand drive only, up to July 2011: |
| q | Location for models with left-hand drive only, from August 2011: |
| q | Location for models with right-hand drive only, from August 2011: |
| q | Location for models from August 2011: |
| 6-pin coupling station of A-pillar, front passenger side |
| q | Fitting location for models with left-hand drive: |
| q | Fitting location for models with right-hand drive: |
| q | Fitting location for models with right-hand drive: |
| Relay/fuse holder F -SF- |
| q | Location for models up to July 2011: |
| q | Location for models from August 2011: |
|
| A - | Battery isolation igniter -N253- |
| 1 - | Fuse 1 on fuse holder A -SA1-, |
| 2 - | Fuse 2 on fuse holder A -SA2-, |
| 3 - | Fuse 3 on fuse holder A -SA3-, |
Note
|
| ST1 - | Fuse carrier 1, fuses |
| ST2 - | Fuse carrier 2, fuses |
| A - | 46-pin connector, black, CAN disconnector, dash panel -T46s- |
|
| ST1 - | Fuse carrier 1, fuses |
| ST2 - | Fuse carrier 2, fuses |
| A - | 46-pin connector, black, CAN disconnector, dash panel -T46s- |
|
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | Fuse 1 on fuse holder D -SD1- | - | Not assigned | ||
| 2 | - | Fuse 2 on fuse holder D -SD2- | - | Not assigned | ||
| 3 | - | Fuse 3 on fuse holder D -SD3- | - | Not assigned | ||
| 4 | - | Fuse 4 on fuse holder D -SD4- | - | Not assigned | ||
| 5 | - | Fuse 5 on fuse holder D -SD5- | 5 A | - | Steering column electronics control unit -J527- | 15 |
| 6 | - | Fuse 6 on fuse holder D -SD6- | 5 A | - | TCS and ESP button -E256- Parking aid button -E266- | 15 |
| 7 | - | Fuse 7 on fuse holder D -SD7- | 5 A | - | 16-pin connector -T16-, diagnostic connector | 15 |
| 8 | - | Fuse 8 on fuse holder D -SD8- | 5 A | - | Data bus diagnostic interface -J533- | 15 |
| 9 | - | Fuse 9 on fuse holder D -SD9- | 5A | - | High heat output relay -J360- | 15 |
| 10 | - | Fuse 10 on fuse holder D -SD10- | - | Not assigned | ||
| 11 | - | Fuse 11 on fuse holder D -SD11- | - | Not assigned | ||
| 12 | - | Fuse 12 on fuse holder D -SD12- | - | Not assigned |
|
| No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
| 1 | - | Fuse 1 on fuse holder D -SD1- | 5 A | - | CD changer -R41- DVD changer -R161- Connection for external audio sources -R199- | 30 |
| 2 | - | Fuse 2 on fuse holder D -SD2- | 5 A | - | Switch module for driving mode selection -E592- | 30 |
| 3 | - | Fuse 3 on fuse holder D -SD3- | 5 A 5 A 20 A 20 A | - | Display unit for front information display and operating unit control unit -J685- Control unit 1 for information electronics -J794- Radio -R- | 30 |
| 4 | - | Fuse 4 on fuse holder D -SD4- | 5 A | - | Control unit in dash panel insert -J285- | 30 |
| 5 | - | Fuse 5 on fuse holder D -SD5- | 5 A | - | Data bus diagnostic interface -J533- | 30 |
| 6 | - | Fuse 6 on fuse holder D -SD6- | 5 A | - | Entry and start authorisation switch -E415- | 30 |
| 7 | - | Fuse 7 on fuse holder D -SD7- | 5A | - | Light switch -E1- | |
| 8 | - | Fuse 8 on fuse holder D -SD8- | 40 A | - | Fresh air blower control unit -J126- | 30 |
| 9 | - | Fuse 9 on fuse holder D -SD9- | 5 A | - | Control unit for electronic steering column lock -J764- | 30 |
| 10 | - | Fuse 10 on fuse holder D -SD10- | 10 A | - | Climatronic control unit -J255- | 30 |
| 11 | - | Fuse 11 on fuse holder D -SD11- | 10 A | - | 16-pin connector -T16-, diagnostic connector | 30 |
| 12 | - | Fuse 12 on fuse holder D -SD12- | 5 A | - | Steering column electronics control unit -J527- | 30 |
|
| ST1 - | Fuse carrier 1, fuses |
| ST2 - | Fuse carrier 2, fuses |
| ST3 - | Fuse carrier 3, fuses |
| ST4 - | Fuse carrier 4, fuses |
| ST5 - | Fuse carrier 5, fuses |
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