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2014 Audi A3 8V Fuse Box Diagram

The 2014 Audi A3 (8V) has 2 fuse boxes. Choose the one you’re looking at.

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Instrument panel fuse box (fuse holder C)

Fifty-three positions in the cabin holder, fuse holder C, drawn as Audi's plate B8V-0217 prints it. F1 on end at the top left and F2 at the top right frame the relays R1 to R3; the large JCase positions are F3, F23, F31, F43 and F50, and the rest are MINI and ATO blades in rows read from the left. Under the top row F4 to F10 and F11 to F14 come F15 to F21 and the flat F22; then F23 with F24 to F28, F29 above F30 and F31; then F32 to F37 with F38 to F42 beside them, F40 dropped half a body lower than its neighbours. The lower part holds F43 to F49, F50 with F52 and F51 stacked below it, and F53 on the right lobe above relays R5 and R6, R4 at the bottom.

Reach it from the driver's side: the trim panel around the steering column carrying the AIRBAG label unclips from its lower right corner. On right-hand-drive cars the holder is behind a cover inside the glove box instead. The 2014 assignment is the European handbook's, the same one the 2013 cars use.

R1R2R3R4R5R61101010240404037.57.57.54555555561010107101010811195551025252511151515122020201330303014101010157.57.57.516555177.57.57.5187.57.57.5192021224040402320202024303030253030302630303027555287.57.57.52930404040317.57.57.532555337.57.57.53410101035151515361515153738303030392020204025252541404040423030304315151544151515454615151547485554950515230303053
No.FunctionAmpDescription
1Not used
210 AMINISeat adjustment
340 AJCASEHydraulic pump for the soft top (Cabriolet)
47.5 AMINIMMI control console and MMI components
55 AMINIGateway (data bus diagnostic interface)
65 AMINIAnti-theft alarm system
710 AMINIAir conditioner/heater control panel, selector lever (automatic gearbox), auxiliary heating, relay coil for the rear window heating
810 AMINIDiagnostic connector, electronic parking brake switch, light switch, rain/light sensor, interior lighting
91 AMINISteering column switch module (1 A in every Audi edition; one fuse database prints 10 A)
105 AMINIDisplay
1125 AATOReversible belt tensioner, driver's side
1215 AATOMMI system (15 A or 20 A depending on equipment)
1320 AATOControl unit for suspension control (adaptive dampers)
1430 AATOAir conditioner blower (fresh air blower)
1510 AMINIElectronic steering column lock
167.5 AMINIMMI system
175 AMINIInstrument cluster
187.5 AMINIReversing camera
197.5 AMINIControl unit for the convenience key system
20Not used
21Not used
22Not used
2340 AJCASEExterior lighting, right side (vehicle electrical system control module)
2420 AATOPanorama roof; soft top control unit and soft top lock (Cabriolet) (20 A or 30 A depending on equipment)
2530 AATODriver's side door(s): electric windows and door control unit
2630 AATOSeat heating
2730 AATOSound amplifier
285 AATOSoft top control unit, electronics (Cabriolet)
297.5 AMINIInterior lights
30Not used
3140 AJCASEExterior lighting, left side (vehicle electrical system control module)
327.5 AMINIDriver assistance systems
335 AMINIAirbag control unit
347.5 AMINIButton/switch illumination, neck heating relay coil (Cabriolet) and socket relay, interior sound, reversing light switch, temperature sensor, oil level sensor
3510 AMINIDiagnostics, headlight range control, air quality sensor, automatic anti-dazzle mirrors
3615 AMINICornering light, right / LED headlight, right
3715 AMINICornering light, left / LED headlight, left
38Not used
3930 AATOFront passenger's side door(s): electric windows and door control unit
4020 AATOCigarette lighter and 12 V sockets
4125 AATOReversible belt tensioner, front passenger's side
4240 AATOCentral locking system
4330 AJCASEWindscreen washer system
4415 AATOFour-wheel drive (quattro) control unit
4515 AATOElectrically adjustable seat, driver's side (power seats also have self-resetting circuit breakers)
46Not used
4715 AATORear window wiper
48Not used
495 AMINIStarter relays, clutch sensor
50Not used
51Not used
52Not used
5330 AATORear window heating

Engine compartment fuse box (fuse holder B)

Six bolt-down links cross the top of this holder, and thirty-two fuses fill the space below them — the six square JCase cartridges F1, F2, F11, F12, F14 and F24, and twenty-six flat blades.

Their arrangement on plate B8V-0173: F14 and F13 in the top left corner next to relay R4, F2 and F1 in the top right; then relay R3, the pair F12 and F11, and relay R5. The body of the holder is three columns, each counted downwards — the left one F15 to F21 (relays R1 and R2 below it), the middle one F31 to F38 (relays R8 to R10 beside it), the right one F3 to F10. At the foot, F22 above F23 on the left, F24 next to relay R7, and R6 across the bottom. The holder is on the left of the engine bay under a cover that unclips and holds the plastic fuse clip. Model year 2014 is still covered by the European handbook of the launch, whose ratings this page uses; the Saloon and Cabriolet, which joined the range late in 2013, use the same holder.

Bolt-down links (not numbered on the plate)R4R3R5R8R9R10R1R2R7R640404014040402151515355547.57.57.5555567.57.57.57101010855591515151040404011404040121515151314151515157.57.57.5167.57.57.517555183030301910101020215552230303023404040241515153155532333435362020203738
No.FunctionAmpDescription
140 AJCASEESC (ABS) control unit
240 AJCASEESC (ABS) control unit
315 AATOEngine control unit, petrol or diesel (15 A or 30 A depending on engine)
45 AATOEngine cooling, engine components, supplementary heater relay coils, secondary air pump relay (5 A or 10 A depending on engine)
57.5 AATOEngine components, tank system (7.5 A or 10 A depending on engine)
65 AATOBrake light sensor
77.5 AATOEngine components, coolant pumps (7.5, 10 or 15 A depending on engine)
810 AATOLambda (oxygen) sensor heating (10 A or 15 A depending on engine)
95 AATOEngine components, exhaust flap, glow period control unit (5, 10 or 20 A depending on engine)
1015 AATOFuel injectors, fuel pump control unit (15 A petrol, 20 A diesel)
1140 AJCASESupplementary (auxiliary air) heater, heating element 2
1240 AJCASESupplementary (auxiliary air) heater, heating element 3
1315 AATOAutomatic gearbox (S tronic mechatronics) control unit (15 A or 30 A depending on gearbox)
14Not used
1515 AATOHorn
167.5 AATOIgnition coils (20 A) or CNG shut-off valve on the g-tron (7.5 A)
177.5 AATOESC control unit, engine control unit
185 AATOTerminal 30 reference voltage
1930 AATOWindscreen wipers
2010 AATOHorn (the anti-theft alarm horn: the 2017+ editions name it the anti-theft alarm system)
21Not used
225 AATOTerminal 50, diagnostics
2330 AATOStarter
2440 AJCASESupplementary (auxiliary air) heater, heating element 1
3115 AATOVacuum pump
325 AATOLED headlights
33Not used
34Not used
35Not used
36Not used
3720 AATOAuxiliary heating (parking heater); not listed in the 2015-2016 US editions
38Not used