Wiring Diagram AUDI A4 2006 - Voltage regulator - fuses
A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J207 | Starter inhibitor relay |
S5 | Fuse in relay plate fuse holder |
S14 | Fuse in relay plate fuse holder |
S88 | Strip fuse |
S231 | Fuse in fuse holder |
S243 | Fuse in fuse holder |
T1 | Single connector, black, right engine compartment |
T2 | 2-pin connector, black, right engine compartment |
T17j | 17-pin connector, brown, coupling station on electronics box, plenum chamber |
11 | Earth point, in battery box |
500 | Screw connection 1 (30), on relay plate |
501 | Screw connection 2 (30), on relay plate |
A2 | Positive connection (15), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
A57 | Positive connection 3 (30), in dash panel wiring harness |
D66 | Positive connection (61), in engine compartment wiring harness |
* | for models with manual gearbox only |
** | for models with automatic gearbox only, ⇒ applicable Current Flow Diagram: automatic gearbox |
Wiring Diagram AUDI A4 2006 - Fuel pump relay - engine control unit - terminal 30 voltage supply relay - fuses
J17 | Fuel pump relay |
J317 | Terminal 30 voltage supply relay |
J623 | Engine control unit |
S4 | Fuse in relay plate fuse holder |
S102 | Engine control unit fuse |
S126 | Auxiliary heater fuse |
S228 | Fuse in fuse holder |
S286 | Automatic gearbox fuse, run-on |
S328 | Auxiliary heater fuse 2 |
T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
T17j | 17-pin connector, brown, coupling station on electronics box, plenum chamber |
T94 | 94-pin connector, black |
12 | Earth point, on left in engine compartment |
83 | Earth connection 1, in front right wiring harness |
A98 | Positive connection 4 (30), in dash panel wiring harness |
D101 | Connection 1, in engine compartment wiring harness |
D102 | Connection 2, in engine compartment wiring harness |
F33 | Positive connection (30), in diesel direct injection system wiring harness |
* | for models with auxiliary air heater only |
** | for models with automatic gearbox (AG6) only |
Wiring Diagram AUDI A4 2006 - Accelerator position sender - automatic glow period control unit - engine glow plugs
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
J179 | Automatic glow period control unit |
J293 | Radiator fan control unit |
J623 | Engine control unit |
J671 | Radiator fan control unit 2 |
Q10 | Glow plug 1 |
Q11 | Glow plug 2 |
Q12 | Glow plug 3 |
Q13 | Glow plug 4 |
Q14 | Glow plug 5 |
Q15 | Glow plug 6 |
S39 | Engine glow plug strip fuse |
T10d | 10-pin connector, grey, coupling station on left of A-pillar |
T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
T17e | 17-pin connector, white, coupling station on electronics box, plenum chamber |
T17j | 17-pin connector, brown, coupling station on electronics box, plenum chamber |
T94 | 94-pin connector, black |
83 | Earth connection 1, in front right wiring harness |
* | ⇒ applicable Current Flow Diagram: radiator fan |
Wiring Diagram AUDI A4 2006 - Charge air pressure sender - intake air temperature sender - brake light switch - clutch pedal switch
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
F194 | Clutch pedal switch for engine start |
G31 | Charge air pressure sender |
G42 | Intake air temperature sender |
J527 | Steering column electronics control unit |
J623 | Engine control unit |
T16a | 16-pin connector, black, on steering column electronics control unit |
T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
T17e | 17-pin connector, white, coupling station on electronics box, plenum chamber |
T17j | 17-pin connector, brown, coupling station on electronics box, plenum chamber |
T60 | 60-pin connector, black |
T94 | 94-pin connector, black |
238 | Earth connection 1, in interior wiring harness |
A18 | Connection (54), in dash panel wiring harness |
A99 | Connection 1 (87), in dash panel wiring harness |
D172 | Connection (engine electrics), in engine compartment wiring harness |
* | ⇒ applicable Current Flow Diagram: anti-lock brake system |
** | for models with manual gearbox only |
*** | for models with US equipment only |
**** | both possible |
Wiring Diagram AUDI A4 2006 - Hall sender - throttle valve module
G40 | Hall sender |
J338 | Throttle valve module |
J623 | Engine control unit |
J724 | Turbocharger 1 control unit |
N18 | Exhaust gas recirculation valve |
N144 | Left electrohydraulic engine mounting solenoid valve |
N145 | Right electrohydraulic engine mounting solenoid valve |
N345 | Exhaust gas recirculation cooler change-over valve |
S282 | Engine electronics fuse |
T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
T60 | 60-pin connector, black |
T94 | 94-pin connector, black |
83 | Earth connection 1, in front right wiring harness |
D172 | Connection (engine electrics), in engine compartment wiring harness |
Wiring Diagram AUDI A4 2006 - Fuel pressure sender - fuel pressure regulating valve - fuel metering valve - intake manifold flap motor
G247 | Fuel pressure sender |
J623 | Engine control unit |
N276 | Fuel pressure regulating valve |
N290 | Fuel metering valve |
S345 | Engine electronics fuse 3 |
T60 | 60-pin connector, black |
T94 | 94-pin connector, black |
V157 | Intake manifold flap motor |
V275 | Intake manifold flap 2 motor |
83 | Earth connection 1, in front right wiring harness |
D103 | Connection 3, in engine compartment wiring harness |
D172 | Connection (engine electrics), in engine compartment wiring harness |
Wiring Diagram AUDI A4 2006 - Engine speed sender - coolant temperature sender - air mass meter - fuel temperature sender
F4 | Reversing light switch |
G28 | Engine speed sender |
G62 | Coolant temperature sender |
G70 | Air mass meter |
G81 | Fuel temperature sender |
J623 | Engine control unit |
T3 | 3-pin connector, grey, on engine block |
T17e | 17-pin connector, white, coupling station on electronics box, plenum chamber |
T60 | 60-pin connector, black |
T94 | 94-pin connector, black |
83 | Earth connection 1, in front right wiring harness |
A70 | Connection (15a, fuse 231), in dash panel wiring harness |
D51 | Positive connection 1 (15), in engine compartment wiring harness |
* | for models with automatic gearbox (AG6) only |
** | for models with manual gearbox only |
Wiring Diagram AUDI A4 2006 - Auxiliary air heater element - temperature sender before particulate filter - exhaust gas pressure sensor 1 - exhaust gas temperature sender
G235 | Exhaust gas temperature sender 1 |
G448 | Bank 1 exhaust gas temperature sender 2 |
G450 | Exhaust gas pressure sensor 1 |
G506 | Temperature sender before particulate filter |
J359 | Low heat output relay |
J360 | High heat output relay |
J623 | Engine control unit |
T17j | 17-pin connector, brown, coupling station on electronics box, plenum chamber |
T60 | 60-pin connector, black |
T94 | 94-pin connector, black |
Z35 | Auxiliary heater element |
32 | Earth point, on left behind dash panel insert |
132 | Earth connection 3, in engine compartment wiring harness |
253 | Earth connection, in heater unit wiring harness |
F37 | Connection (auxiliary heater), in diesel direct injection system wiring harness |
* | for models with auxiliary air heater only |
** | for models with particulate filter or preparation for particulate filter only |
*** | for models without particulate filter or without preparation for particulate filter only |
**** | both possible |
Wiring Diagram AUDI A4 2006 - Lambda probe - injectors cylinder 1 up to 6
G39 | Lambda probe |
J623 | Engine control unit |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
N83 | Injector, cylinder 5 |
N84 | Injector, cylinder 6 |
S344 | Engine electronics fuse 2 |
T6t | 6-pin connector, brown, connector point lambda probe (bulkhead) |
T60 | 60-pin connector, black |
T94 | 94-pin connector, black |
Z19 | Lambda probe heater |
Wiring Diagram AUDI A4 2006 - Automatic gearbox control unit - control unit in dash panel insert
J217 | Automatic gearbox control unit |
J285 | Control unit in dash panel insert |
J623 | Engine control unit |
T16 | 16-pin connector, black, diagnostic connector |
T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
T17e | 17-pin connector, white, coupling station on electronics box, plenum chamber |
T32a | 32-pin connector, green, on dash panel insert |
T94 | 94-pin connector, black |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
D166 | Connection (K-diagnosis wiring), in engine compartment wiring harness |
* | for models with automatic gearbox (AG6) only |
● | Data bus wire (CAN bus) |
*** | dropped for models without automatic gearbox |
Wiring Diagram AUDI A4 2006 - Oil pressure switch - coolant shortage indicator switch - fuel gauge sender - oil level and oil temperature sender
F1 | Oil pressure switch |
F66 | Coolant shortage indicator switch |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G169 | Fuel gauge sender 2 |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
K2 | Alternator warning lamp |
K29 | Glow period warning lamp |
T17d | 17-pin connector, red, coupling station on electronics box, plenum chamber |
T17e | 17-pin connector, white, coupling station on electronics box, plenum chamber |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
83 | Earth connection 1, in front right wiring harness |
249 | Earth connection 2, in interior wiring harness |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
A74 | Connection (15a, fuse 5), in dash panel wiring harness |
* | for models with four-wheel drive only |
** | output for signal earth |
AUDI A4 2006 Overview of relay
1 - | Relay carrier (3-pin) |
q | Components: -J359-, -J360-, -J608- |
q | Location → page 803/4 |
2 - | Relay carrier (9-pin) with onboard supply control unit |
q | Components: -J4-, -J9-, -J17-, -J53-, -J59-, -J236-, -J569-, -J695- |
q | Location up to July 2004 → page 803/5 |
q | Location from August 2004 → page 803/6 |
q | Location component -J569- for engine code BNS → page 803/19 |
q | Location component -J17- for some engine variants ⇒ Item → 5 , page → 803/2 |
3 - | Relay carrier (4-pin) with screw connection |
q | Components: -J662-, -J663-, -J610- |
q | Location → page 803/7 |
4 - | Relay carrier for special vehicles |
q | Components: -J85-, -J182-, -J330-, -J408-, -J430-, -J461-, -J462-, -J463-, -J608- |
q | Location → page 803/22 |
Audi A4 | Fitting Locations | No. 803 / 2 |
5 - | Relay carrier (4-pin) |
q | Components: -J17-, -J52-, -J151-, -J179-, -J207-, -J271-, -J299-, -J317-, -J363-, -J434-, -J496-, -J569-, -J757- |
q | Location for petrol engines, up to July 2004 → page 803/8 |
q | Location for diesel engines, up to July 2004 → page 803/9 |
q | Location for engine codes BKE, BRB, BNA, BLB, BRC, BPW, BVG, BVF, BRF, BRE, BVA, BRD → page 803/10 |
q | Location for engine codes BSG, BPP, BTP, BKN, ASB → page 803/11 |
q | Location for engine codes BGB, BPG, BWE, BWT, BUL, BPJ, BYK → page 803/12 |
q | Location for engine code ALZ → page 803/13 |
q | Location for engine code ALT → page 803/14 |
q | Location for engine code BDG → page 803/15 |
q | Location for engine codes BFB, BBK, BHF → page 803/16 |
q | Location for engine code AWA → page 803/17 |
Audi A4 | Fitting Locations | No. 803 / 3 |
t | Location for engine codes AUK, BKH → page 803/18 |
t | Location for engine code BNS → page 803/19 |
t | Location for engine code BBJ, with manual gearbox or multitronic → page 803/20 |
t | Location for engine code BBJ with AG5 → page 803/21 |
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