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. |
3 - | Digital radio -R147- |
q | Location: in left of luggage compartment, behind side trim. |
3 - | TV tuner -R78- |
q | Location: in left of luggage compartment, behind side trim. |
q | Overview of convertible roof components: |
5 - | Voltage stabiliser -J532- |
q | Fitting location and connector: |
A - | Headlight range control unit -J431- / Control unit for cornering light and headlight range control -J745- |
Connector on control unit for headlight range control -J431-: |
A1 - | 26-pin connector -T26b- |
|
A - | Fresh air blower control unit -J126- |
AUDI A5 CABRIOLET 2009 Driver door control unit J386 | Driver door control unit -J386- |
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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
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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
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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 |
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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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