Wiring Diagram AUDI A4 CABRIOLET 2006 - Motronic current supply relay - radiator fan control unit - fuses
A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
J226 | Starter inhibitor and reversing light relay |
J433 | Starter inhibitor relay |
J434 | Starter inhibitor relay, clutch pedal switch |
S88 | Strip fuse |
T4ae | 4-pin connector, black, next to battery |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
11 | Earth point, in battery box |
500 | Screw connection -1- (30), on relay plate |
* | Only applies to models with manual gearbox |
** | Only applies to models with six-speed automatic gearbox (AG6), ⇒ applicable Current Flow Diagram: Automatic gearbox |
*** | Only applies to models with US equipment and manual gearbox, ⇒ applicable Current Flow Diagram: Starter inhibitor relay, clutch pedal switch |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Injectors
D | Ignition/starter switch |
J17 | Fuel pump relay |
S5 | Fuse in fuse box/relay plate |
S7 | Fuse in fuse box/relay plate |
S14 | Fuse in fuse box/relay plate |
S228 | Fuse in fuse box |
S232 | Fuse in fuse box |
S234 | Fuse in fuse box |
S243 | Fuse in fuse box |
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 |
A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
A99 | Connection -1- (87), in dash panel wiring harness |
A152 | Connection -5- (87), in dash panel wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Radiator fan control unit - injectors
J220 | Motronic control unit |
J271 | Motronic current supply relay |
J293 | Radiator fan control unit |
J671 | Radiator fan control unit 2 |
S4 | Fuse in fuse box/relay plate |
S229 | Fuse in fuse box |
S282 | Engine electronics fuse |
S286 | Automatic gearbox fuse (for ATF pump run-on) |
T4y | 4-pin connector, black, in engine compartment |
T6n | 6-pin connector, on radiator fan control unit -2- |
T6o | 6-pin connector, on radiator fan control unit |
T10d | 10-pin connector, grey, connector point, A pillar, left |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
T17e | 17-pin connector, white, connector point, electronics box, plenum chamber |
12 | Earth point, in engine compartment, left |
83 | Earth connection -1-, in front right wiring harness |
121 | Earth connection -2-, in front right wiring harness |
D50 | Positive (+) connection (30), in engine compartment wiring harness |
* | Only applies to models with six-speed automatic gearbox (AG6) |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Air mass meter - continued coolant circulation relay - inlet camshaft timing adjustment valves
J220 | Motronic 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 |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
D95 | Connection (injectors), in engine compartment wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Engine speed sender - knock sensors
J220 | Motronic control unit |
J293 | Radiator fan control unit |
J671 | Radiator fan control unit 2 |
N85 | Injector, cylinder 7 |
N86 | Injector, cylinder 8 |
N112 | Secondary air inlet valve |
N144 | Electro/hydraulic engine mounting solenoid valve, left |
N145 | Electro/hydraulic engine mounting solenoid valve, right |
N156 | Variable intake manifold change-over valve |
T4y | 4-pin connector, black, in engine compartment |
T6n | 6-pin connector, on radiator fan control unit -2- |
T6o | 6-pin connector, on radiator fan control unit |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
T10d | 10-pin connector, grey, connector point, A pillar, left |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
D22 | Connection (via fuse 234), in front right wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Hall sender - knock sensors
G70 | Air mass meter |
J151 | Continued coolant circulation relay |
J220 | Motronic control unit |
J234 | Airbag control unit |
N80 | Activated charcoal filter solenoid valve 1 |
N205 | Inlet camshaft timing adjustment valve 1 |
N208 | Inlet camshaft timing adjustment valve 2 |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
V51 | Continued coolant circulation pump |
V144 | Fuel system diagnostic pump |
121 | Earth connection -2-, in front right wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
D22 | Connection (via fuse 234), in front right wiring harness |
E7 | Connection (87a), in Motronic wiring harness |
* | For countries with hot climate only |
** | Only applies to models with automatic gearbox (models for USA equipped with manual gearbox) |
*** | Only applies to models with six-speed automatic gearbox (AG6) |
**** | No longer fitted (phased-in modification) |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Lambda probes - lambda probe heaters
G28 | Engine speed sender |
G61 | Knock sensor 1 |
G66 | Knock sensor 2 |
J220 | Motronic control unit |
T3 | 3-pin connector, grey, on engine block |
T3e | 3-pin connector, blue, on engine block |
T3f | 3-pin connector, black, on engine block |
104 | Earth connection, in front right wiring harness, sensor earth |
220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Lambda probes 2 - heaters for lambda probes 2
G40 | Hall sender |
G163 | Hall sender 2 |
G198 | Knock sensor 3 |
G199 | Knock sensor 4 |
J220 | Motronic control unit |
T3b | 3-pin connector, blue, on engine block |
T3g | 3-pin connector, black, on engine block |
104 | Earth connection, in front right wiring harness, sensor earth |
220 | Earth connection (sender earth), in engine wiring harness |
D141 | Connection (5V), in engine wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Coolant shortage indicator switch - coolant temperature gauge sender
G39 | Lambda probe |
G130 | Lambda probe downstream of catalytic converter |
J220 | Motronic control unit |
T4a | 4-pin connector, green, connector point, lambda probe (bulkhead) |
T6 | 6-pin connector, black, connector point, lambda probe (bulkhead) |
Z19 | Lambda probe heater |
Z29 | Lambda probe 1 heater, downstream of catalytic converter |
220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Accelerator pedal position senders - throttle valve module
G108 | Lambda probe 2 |
G131 | Lambda probe 2 downstream of catalytic converter |
J220 | Motronic control unit |
T4c | 4-pin connector, brown, connector point, lambda probe (bulkhead) |
T6a | 6-pin connector, black, connector point, lambda probe (bulkhead) |
Z28 | Lambda probe 2 heater |
Z30 | Lambda probe 2 heater, downstream of catalytic converter |
220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Ignition coils
F66 | Coolant shortage indicator switch |
G2 | Coolant temperature gauge sender |
G62 | Coolant temperature sender |
J220 | Motronic control unit |
J299 | Secondary air pump relay |
S130 | Secondary air pump fuse |
T10 | 10-pin connector, black, connector point, electronics box, plenum chamber |
V101 | Secondary air pump motor |
12 | Earth point, in engine compartment, left |
220 | Earth connection (sender earth), in engine wiring harness |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
327 | Earth connection (sender earth), in engine compartment wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Ignition coils
F | Brake light switch |
F36 | Clutch pedal switch |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender 2 |
J220 | Motronic control unit |
J338 | Throttle valve module |
J527 | Steering column electronics control unit |
T16a | 16-pin connector, black, on steering column electronics control unit |
T17e | 17-pin connector, white, connector point, electronics box, plenum chamber |
A18 | Connection (54), in dash panel wiring harness |
A20 | Positive (+) connection (15a), in dash panel wiring harness |
A154 | Connection (brake pedal switch), in dash panel wiring harness |
* | Only applies to models with manual gearbox |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Automatic gearbox control unit - data bus wire
J220 | Motronic control unit |
N70 | Ignition coil 1 with output stage |
N127 | Ignition coil 2 with output stage |
N291 | Ignition coil 3 with output stage |
N292 | Ignition coil 4 with output stage |
P | Spark plug connector |
Q | Spark plugs |
19 | Earth point, near ignition coil |
121 | Earth connection -2-, in front right wiring harness |
343 | Earth connection (ignition coil), in injection system wiring harness |
D23 | Connection (via fuse 229), in front right wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Oil pressure switch - pre-supply fuel pump - oil level and oil temperature sender
J220 | Motronic control unit |
N323 | Ignition coil 5 with output stage |
N324 | Ignition coil 6 with output stage |
N325 | Ignition coil 7 with output stage |
N326 | Ignition coil 8 with output stage |
P | Spark plug connector |
Q | Spark plugs |
T10 | 10-pin connector, black, connector point, electronics box, plenum chamber |
83 | Earth connection -1-, in front right wiring harness |
343 | Earth connection (ignition coil), in injection system wiring harness |
D23 | Connection (via fuse 229), in front right wiring harness |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Automatic gearbox control unit - data bus wire
J217 | Automatic gearbox control unit |
J220 | Motronic control unit |
J285 | Control unit in dash panel insert |
T10a | 10-pin connector, brown, connector point, electronics box, plenum chamber |
T16 | 16-pin connector, black, diagnostic connector |
T17d | 17-pin connector, red, connector point, electronics box, plenum chamber |
T32a | 32-pin connector, green, on dash panel insert |
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 |
* | Only applies to models with six-speed automatic gearbox (AG6) |
• | Data bus wire (CAN bus) |
Wiring Diagram AUDI A4 CABRIOLET 2006 - Oil pressure switch - pre-supply fuel pump - oil level and oil temperature sender
F1 | Oil pressure switch |
G | Fuel gauge sender |
G6 | Pre-supply fuel pump |
G169 | Fuel gauge sender 2 |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
K2 | Alternator warning lamp |
T10 | 10-pin connector, black, connector point, electronics box, plenum chamber |
T10a | 10-pin connector, brown, connector point, 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 |
A17 | Connection (61), in dash panel wiring harness |
A74 | Connection (15a, fuse 5), in dash panel wiring harness |
* | Only applies to models with four-wheel drive |
AUDI A4 CABRIOLET 2006 Overview of relay
1 - | Relay carrier (3-pin) |
q | Components: -J359-, -J360- |
q | Location → page 803/3 |
2 - | Relay carrier (9-pin) with onboard supply control unit |
q | Components: -J4-, -J9-, -J17-, -J53-, -J59-, -J236-, -J569-, -J695- |
q | Location up to October 2005 → page 803/4 |
q | Location from November 2005 → page 803/5 |
q | Location component -J569- for engine code BNS → page 803/15 |
q | Location component -J17- for some engine variants ⇒ Item → 4 page → 803/2 |
3 - | Relay carrier (4-pin) with screw connection |
q | Components: -J662-, -J663-, -J610- |
q | Location → page 803/6 |
Audi Cabriolet | Fitting Locations | No. 803 / 2 |
4 - | Relay carrier (4-pin) |
q | Components: -J17-, -J52-, -J60-, -J151-, -J155-, -J179-, -J207-, -J226-, -J271-, -J299-, -J317-, -J434-, -J496-, -J569-, -J757-, -V274- |
q | Location for petrol engines, up to October 2005 → page 803/7 |
q | Location for diesel engines, up to October 2005 → page 803/8 |
q | Location for engine codes BRC, BPW, BRF, BRE → page 803/9 |
q | Location for engine codes BKN, ASB, BSG, BPP → page 803/10 |
q | Location for engine codes BWE, BPG, BWT → page 803/11 |
q | Location for engine code ALT → Seite 803/12 |
q | Location for engine codes BFB, BBK, BHF → page 803/13 |
q | Location for engine codes AUK, BKH → Seite 803/14 |
q | Location for engine code BNS → Seite 803/15 |
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Audi Cabriolet | Fitting Locations | No. 803 / 15 |
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