Wiring Diagram AUDI A4 2006 - Airbag igniters for driver side and front passenger side

D | Ignition/starter switch |
F138 | Airbag coil connector and return spring 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 |
S11 | Fuse in relay plate fuse holder |
T4e | 4-pin connector, yellow, on steering column electronics control unit |
T5c | 5-pin connector, yellow, interior, near glove compartment |
109 | Earth connection, in airbag wiring harness |
A2 | Positive connection (15), in dash panel wiring harness |
A139 | Connection 3 (15), in dash panel wiring harness |
short circuit bridge becomes effective when connector is unplugged | |
*** | Earth supply via the housing from airbag control unit |
Wiring Diagram AUDI A4 2006 - Curtain airbag igniter
J234 | Airbag control unit |
J393 | Convenience system central control unit |
J623 | Engine control unit |
N251 | Driver side curtain airbag igniter |
N252 | Front passenger side curtain airbag igniter |
N253 | Battery isolation igniter |
T2af | 2-pin connector, purple, on battery isolation igniter |
T2ag | 2-pin connector, yellow, connector point interior, in front left roof area |
T2ah | 2-pin connector, yellow, connector point interior, in front right roof area |
T12i | 12-pin connector, black, on convenience system central control unit |
T17j | 17-pin connector, brown, coupling station on electronics box, plenum chamber |
109 | Earth connection, in airbag wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
* | for engine code BNS only, ⇒ applicable engine Current Flow Diagram |
** | for models with curtain airbag only |
*** | ⇒ applicable engine Current Flow Diagram |
short circuit bridge becomes effective when connector is unplugged |
Wiring Diagram AUDI A4 2006 - Key operated switch to deactivate front passenger side airbag - front passenger side airbag deactivated warning lamp
E26 | Glove compartment light switch |
E224 | Key operated switch to deactivate front passenger side airbag |
J234 | Airbag control unit |
J393 | Convenience system central control unit |
K145 | Front passenger side airbag deactivated warning lamp |
T12d | 12-pin connector, brown, near glove compartment |
T12h | 12-pin connector, black, on convenience system central control unit |
T17f | 17-pin connector, orange, coupling station on left of A-pillar |
W | Front interior light |
W6 | Glove compartment light |
33 | Earth point, on right behind dash panel |
109 | Earth connection, in airbag wiring harness |
238 | Earth connection 1, in interior wiring harness |
B250 | Positive connection in roof wiring harness |
* | for models with key operated switch to deactivate airbag only |
** | for models with lectronic logbook only |
*** | for models with key operated switch or US equipment with seat belt warning only |
Wiring Diagram AUDI A4 2006 - Side airbag igniter on driver side and on front passenger side - side airbag crash sensor
G179 | Side airbag crash sensor on driver side |
G180 | Side airbag crash sensor on front passenger side |
J234 | Airbag control unit |
N199 | Side airbag igniter on driver side |
N200 | Side airbag igniter on front passenger side |
T3c | 3-pin connector, yellow, interior near driver seat |
T3d | 3-pin connector, yellow, interior near front passenger seat |
T20 | 20-pin connector, black, door A-pillar left |
T20a | 20-pin connector, black, door A-pillar right |
109 | Earth connection, in airbag wiring harness |
* | only for models without RS4 bucket seats |
** | only for models with RS4 bucket seats |
*** | Terminal resistor |
short circuit bridge becomes effective when connector is unplugged |
Wiring Diagram AUDI A4 2006 - Rear side airbag igniter on driver side and on front passenger side - rear side airbag crash sensor - driver and front passenger side seat belt tensioner
G256 | Rear side airbag crash sensor on driver side |
G257 | Rear side airbag crash sensor on front passenger side |
J234 | Airbag control unit |
N153 | Driver seat belt tensioner igniter 1 |
N154 | Front passenger side seat belt tensioner igniter 1 |
N201 | Rear side airbag igniter on driver side |
N202 | Rear side airbag igniter on front passenger side |
T2y | 2-pin connector, purple, interior on driver seat |
T2z | 2-pin connector, purple, interior on front passenger seat |
T4i | 4-pin connector, yellow, connector point interior, rear left |
T4j | 4-pin connector, yellow, connector point interior, rear right |
109 | Earth connection, in airbag wiring harness |
* | for models with rear side airbag only |
short circuit bridge becomes effective when connector is unplugged |
Wiring Diagram AUDI A4 2006 - Seat occupied recognition control unit - pressure sensor for seat occupied recognition - seat belt force sensor for seat occupied recognition - front passenger side belt switch
E25 | Front passenger side belt switch |
G452 | Pressure sensor for seat occupied recognition |
G453 | Seat belt force sensor for seat occupied recognition |
J234 | Airbag control unit |
J706 | Seat occupied recognition control unit |
T8c | 8-pin connector, black, coupling station seat wiring, front passenger seat |
T17k | 17-pin connector, in front passenger seat |
109 | Earth connection, in airbag wiring harness |
412 | Earth connection 3, in seat adjuster wiring harness |
* | for models with seat occupied sensor (bladder mat) only |
** | Depends on equipment |
Wiring Diagram AUDI A4 2006 - Driver side belt switch - front passenger side belt switch - rear belt tensioner - seat occupied sensor - front passenger side
E24 | Driver side belt switch |
E25 | Front passenger side belt switch |
G128 | Seat occupied sensor, front passenger side |
J234 | Airbag control unit |
N196 | Rear belt tensioner igniter on driver side |
N197 | Rear belt tensioner igniter on front passenger side |
N198 | Rear centre belt tensioner igniter |
T2aa | 2-pin connector, yellow, rear left interior |
T2ab | 2-pin connector, yellow, rear right interior |
T2ac | 2-pin connector, yellow, rear centre interior |
T8b | 8-pin connector, black, coupling station seat wiring, driver seat |
T8c | 8-pin connector, black, coupling station seat wiring, front passenger seat |
109 | Earth connection, in airbag wiring harness |
412 | Earth connection 3, in seat adjuster wiring harness |
* | for models with seat occupied sensor (without bladder mat) only |
** | for models with rear belt tensioner only |
*** | for models without bladder mat only |
Wiring Diagram AUDI A4 2006 - Front airbag crash sensor - control unit in dash panel insert
G283 | Front airbag crash sensor for driver side |
G284 | Front airbag crash sensor for front passenger side |
J234 | Airbag control unit |
J285 | Control unit in dash panel insert |
K75 | Airbag warning lamp |
T17a | 17-pin connector, red, coupling station on left of A-pillar |
T17c | 17-pin connector, red, coupling station on right of A-pillar |
T32a | 32-pin connector, green, on dash panel insert |
410 | Earth connection 1 (sender earth), in main wiring harness |
411 | Earth connection 2 (sender earth), in main wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
● | Data bus wire (CAN bus) |
* | Depends on equipment |
AUDI A4 2006 Control units overview
1 - | Heated windscreen control unit -J505- |
q | Location → page 804/4 |
2 - | CD changer -R41- |
q | Location → page 804/13 |
3 - | Fresh air blower control unit -J126- |
q | Location ⇒ page → 804/7 |
4 - | Headlight range control, control unit -J431- |
q | Location → page 804/7 |
5 - | Radio -R- |
q | not for navigation system |
q | Location → page 804/11 |
5 - | Navigation operating electronics control unit -J402- |
q | for navigation system RNS-D only |
q | Location → page 804/11 |
5 - | Control unit with display for radio and navigation system -J503- |
q | for navigation system RNS-Low only |
q | Location → page 804/13 |
Audi A4 | Fitting Locations | No. 804 / 2 |
5 - | Navigation system with CD drive control unit -J401- |
q | Location for navigation system NS-Low → page 804/12 |
q | Location for navigation system RNS-E → page 804/12 |
6 - | Telephone and telematics control unit, telematics -J526- |
q | Location → page 804/14 |
6 - | Language input control unit -J507- |
q | Location → page 804/14 |
7 - | Steering column electronics control unit -J527- |
q | Location → page 804/8 |
8 - | Front passenger side door control unit -J387- |
q | Location → page 804/16 |
9 - | Display control unit in dash panel insert -J285- |
q | Location → page 804/8 |
10 - | Airbag control unit -J234- |
q | Location → page 804/9 |
11 - | Driver door control unit -J386- |
q | Location → page 804/16 |
Audi A4 | Fitting Locations | No. 804 / 3 |
12 - | Convenience system central control unit -J393- |
q | Location → page 804/15 |
13 - | Onboard power supply control unit -J519- |
q | Location → page 804/9 |
14 - | Motronic control unit -J220- |
14 - | Diesel direct injection system control unit -J248- |
14 - | Simos control unit -J361- |
q | Location → page 804/4 |
15 - | Automatic gearbox control unit -J217- |
q | not for models with multitronic® |
q | Location → page 804/5 |
16 - | ABS control unit -J104- |
q | Location → page 804/6 |
17 - | Automatic gearbox control unit -J217- |
q | for models with multitronic® only |
q | Location → page 804/5 |
18 - | Radiator fan control unit -J293- |
q | Location → page 804/6 |
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