Fuses and relay Audi A8 (D3)

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For the Audi A8 (D3) (4E) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 model year.

Cigarette lighter fuse – (fuse box №2 in passenger compartment, fuse №36/20A and fuse №37/20A)

Fuse box in passenger compartment.

fuse box location.

fuse box diagram.

legend.

FuseAmpsCircuits protected
15AGarage door opener
25AParking assistance control unit
35AParking assistance control unit
410AHeadlight range control
55AInstrument panel
610ASteering column control unit
75AOn-board diagnostic
85AOil level and temperature sensor
On-board diagnostic
95AABS control unit
Steering column control unit
105AData link connector
1110ALane detection control unit
Or
Not used
125ABrake lights
1310ATelephone control unit
Telematics
145ASpecial vehicle control unit
155AEntry and start authorisation control unit
1610ARear in-car entertainment
175AAdaptive cruise control unit
185AHeated washer jets
1910ASpecial vehicle control unit
Or
Not used
205ATyre pressure control system
215ASpecial vehicle control unit
Or
Not used
225ABrake pedal switch
235ATelephone
Or
Not used
2415AHorn
2540AWiper motor
2615ASpecial vehicle control unit
Or
Not used
2725AABS control unit
28Not used
291AIllumination, switch(es)
30Not used
3130APower supply control unit
325AInformation display control
Or
Not used
3325ARear left footwell heater
34Not used
35Not used
365ALane change assist control unit
Or
Not used
3715ACooler box
Or
Not used
3830APower supply control unit
397,5ADoor control unit, front left
4025APower supply control unit
Steering column adjustment, vertical
Steering column adjustment, horizontal
417,5ADoor control unit, rear left
4225AEntry and start authorisation control unit
4310ALeft cornering light
Or
Not used
4410ARight cornering light
Or
Not used

 

Fuse box №2 in passenger compartment Audi A8 D3.

fuse box location.

fuse box diagram.

legend.

FuseAmpsCircuits protected
15AParking brake control unit
210AClimatronic control unit
35ATiptronic switch
‘P’ position switch (automatic transmission)
Selector lever lock solenoid
415AAutomatic transmission control unit
515AMass airflow meter
Secondary air pump relay
Inlet manifold valve control motor
Throttle control motor with position sensor
Exhaust gas recirculation solenoid
Turbocharger control unit
Secondary air inlet valve
Engine mounting solenoid
Torque converter clutch solenoid (automatic transmission)
Swirl control solenoid
Inlet manifold shut-off valve
615AOxygen sensor in front of the catalytic converter
Oxygen sensor behind the catalytic converter
715AOxygen sensor behind the catalytic converter
Fuel pressure control solenoid
Fuel metering solenoid
810AThrottle control motor with position sensor
Inlet manifold valve control motor
Engine mounting solenoid
Inlet camshaft timing solenoids
Exhaust gas recirculation solenoid
Exhaust flap valve
Torque converter clutch solenoid (automatic transmission)
Coolant circulation pump
Swirl control solenoid
Inlet manifold shut-off valve
95AHeated rear seat(s) switch
Heated front passenger’s seat switch
Air quality sensor
Climatronic
TCS/ESP button
1010AAdaptive damping control unit
115ARain and light sensor
125AVehicle information control unit
(7.5A also used)
1310AControl unit, roof electronics
145ACD changer
DVD
CD-ROM drive
155APower management control unit
165ACrankcase breather heater
(7.5A also used)
175ACooling system
or not used
185AAirbag control unit
Or
Map reading light(s)
Or
Not used
195AMass airflow meter
205AVentilation control
Centre console unit
215AEngine control unit
Main relay
(5A also used)
2210AFuel cooling pump
Fuel cooling pump relay
235AParking brake control unit
2410APower supply control unit
(20A also used)
2515AAutomatic transmission control unit
2615AClimatronic control unit
Rear climatronic control unit
(10A also used)
2720ASliding roof control unit
2815AFuel pump relay
Fuel pump relay No. 2
Brake servo relay
Engine control unit
(5A also used)
2930AInjectors
(15A also used)
3020AIgnition coils
Engine control unit
3115ACanister purge solenoid
Additional fuel pump
Fuel pump control unit
(40A also used)
3225AAutomatic transmission control unit
(10A also used)
(5A also used)
3325ARear right footwell heater
3420AHeated rear seat(s)
Seat ventilation
Climatronic
3520AClimatronic control unit
Heated seat ventilation control unit
3620ACigarette lighter
3720ACigarette lighter
12V socket
(30A also used)
(25A also used)
3820ACooling fan
Or
Not used
3915ADoor control unit, front left
(7.5A also used)
4015ABrake servo relay
Brake vacuum pump
4115ADoor control unit, rear right
(7.5A also used)
4220AAdditional heater
4320AHeadlight washer relay
(30A also used)
4415AAir-conditioning blower
Trailer connector socket
(30A also used)

 

Fuse and relay №2 in passenger compartment.

FuseAmpsCircuits protected
130AFront right window
Or
Not used
230ASeat adjustment
330ABlower
Or
Front right window
Or
Not used
430ASeat adjustment
5Not used
6Not used
R1Cooling fan relay
Or
Fuel cooling pump relay
Or
Brake servo relay
Or
Relay, additional coolant pump
Coolant circulation relay
R2Starter motor relay
R3Starter motor relay
R4Fuel pump relay
Or
Power supply relay
R5Headlight washer relay

 

Main fuse in passenger compartment.

Fuse 1 (60.0 A) – Cooling fan
Fuse 2 (60.0 A) – Cooling fan 2

Fuse box in luggage compartment.

fuse box location (left side).

fuse box diagram.

legend.

FuseAmpsCircuits protected
1Not used
2Not used
3Not used
4Not used
530ADigital sound package control unit
65ANavigation control unit
710ATV tuner
or not used
85ARear-view camera system
95ARadio
Or
Not used
1015ASubwoofer control unit
(30A also used)
1120A12V socket
1215AAdditional heater remote control receiver

 

Fuse box in luggage compartment (right side).

fuse box diagram.

legend.

FuseAmpsCircuits protected
A40AHeated rear windscreen
B30ARear seat adjustment
Or
Fuel pump
(40A also used)
C30ARear seat adjustment
D15ACommunication system
Or
Not used
120AFuel pump
220AFuel pump
315ATrailer connector socket
Or
Not used
45AGPS system
Or
Not used
520AComfort system control unit
610AComfort system control unit
720AComfort system control unit
830AElectric parking brake
930AElectric parking brake
1015ATrailer detection control unit
(20A also used)
1115ATrailer detection control unit
(20A also used)
1215ATrailer detection control unit
Fuse 1150APower supply
Fuse 260ARadio
Navigation system
TV tuner
Fuse 3110Heated rear windscreen
R1Heated rear windscreen relay
R2Power supply relay
or not used
R3Fuel pump relay
Or
Fuel pump relay No. 2
Or
Additional relay, fuel pump

 

Fuse and relay box in engine compartment.

FuseAmpsCircuits protected
1Not used
250Secondary air pump
Or
Glow plug
(60A also used)
(80A also used)
350Secondary air pump
Or
Glow plug
(60A also used)
(80A also used)
4Not used
5Not used
6Not used
7Not used
R1Glow plug relay
Or
Secondary air pump relay
R2Glow plug relay
Or
Secondary air pump relay
Or
Main relay
R3Glow plug relay
Or
Secondary air pump relay
Or
Main relay
R4Not used

 

Fuse and relay box №1 in engine compartment.

fuse box diagram.

legend

FuseAmpsCircuits protected
160AABS control unit
240ALevelling system
330AWindow regulator
(40A also used)
430ASeat adjustment
530ASeat adjustment
6Not used
7Not used
8Not used
R1Adaptive suspension compressor relay
R2Horn relay
R3Terminal 15 voltage supply relay
R4Washer fluid heater relay
Or
Not used
R5Relay R5
Alarm system control unit (taxi)
Or
Not used
R6Terminal 75 voltage supply relay
R7
R8
R9
R10