Audi A5 is a sports car based on the Audi A4 platform, manufactured at the German plant in Ingolstadt. This material covers models manufactured in 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016. Before replacing, be sure to check the decoding with the sticker on the car. There may be changes in the fuse layout of the Audi A5 due to the design features of the model or model updates (since 2010).

Audi A5 block layout (2007 – 2016)

  1. Battery fuse block
  2. Fuse block in the instrument panel on the driver’s side
  3. Relay block under the front panel on the driver’s side
  4. Relay block under the front in the driver’s footwell behind the side trim
  5. Relay block under the front panel on the driver’s side
  6. Fuse and relay block in the engine compartment
  7. Fuse block in the center of the drain box
  8. Fuse box in the front passenger footwell behind the side trim
  9. Fuse block on the passenger side instrument panel
  10. Fuse and relay box in the luggage compartment

Blocks in the interior of the Audi A5 (2007 – 2016)

Fuses in the panel on the right

This unit is located on the instrument panel on the passenger side.

Scheme

Description

ST1
1Not used
2Not used
3Not used
4Not used
55A Steering column control unit -J527-
5)5A ASR and ESP button -E256-, Parking assistant button -E266-
75A Connector, 16-pin -T16-, diagnostic connector
85A Data bus diagnostic interface -J533-
95A High power heating relay -J360-
10Not used
11Not used
12Not used
ST2
15A CD changer -R41-, DVD changer -R161-, Connector for external audio sources -R199-
5)5A Control profile selection switch module -E592-
35A  1,2)  / 20A  4,5)  Front control, display and information panel control unit -J685-, Information electronics control unit 1 -J794-, Radio -R-
45A Instrument cluster control unit -J285-
55A Data bus diagnostic interface -J533-
65A Engine start access and enable switch -E415-
75A Light switch -E1-
840A Supply fan control unit -J126-
95A ELV control unit -J764-
1010A Climatronic control unit -J255-
1110A Connector, 16-pin -T16-, diagnostic connector
125A Steering column control unit -J527-

1) Only for vehicles with radio (CAN) and external amplifier
2) Only for vehicles with MMI (MOST)
3) Only for vehicles with Chorus radio with Basic speaker system (from November 2009)
4) Only for vehicles with Chorus / Concert / Symphony radio from
July 0, 2011.

Fuses on the left panel of the Audi A5 (2007 – 2016)

Scheme

Marking

15Active steering control unit -J792-
25Until 2009: Clutch pedal sensor -F36-
Clutch pedal sensor for engine start -F194- Clutch pedal position sensor -G476- From 2010: Not used From August 2011: ABS control unit -J104-
35Until August 2011: Garage door opener control panel -E284-, Garage door opener control unit -J530-, From August 2011: Rear curtain sensor -E149-
ASR button -E256-
Electromechanical parking brake control button -E538- AUTO HOLD
button -E540- Air composition sensor -G238- Refrigerant pressure and temperature sensor -G395- Garage door opener control unit -J530- Seat heating control unit -J882- Interior day relay with automatic dimming -Y7-






410Lane Keeping Assist Control Unit -J759-
55Until August 2011: Air composition sensor -G238- From August 2011: Control unit for body noise protection -J869-
65Headlight range control -E102-
Headlight range control unit -J431- (until August 2011)
Right headlight power module -J668- (until August 2011)
Adaptive lighting and headlight range control unit -J745- (until August 2011)
Left headlight range control motor -V48-Right headlight range control motor -V49-Left headlight -MX1- (from August 2011)Right headlight -MX2- (from August 2011)
75Left headlight power module -J667-
85Until August 2011: On-board power supply control unit -J519-From August 2011: Ground clearance control unit -J197-Electronic damping control system control unit -J250-Trailer recognition system control unit-J345-Central comfort control unit-J393-All-wheel drive control unit-J492-Voltage stabilizer-J532-Control unit 4
95Until 2009: Auto-dimming interior rearview mirror -Y7- From 2010: Adaptive cruise control control unit -J428-
105Selector sensor control unit -J587- (Until August 2011) Selector lock solenoid -N110- Clutch pedal position sensor G476 (from 2010)
115Until August 2011: Left injector heating resistor -Z20-Right injector heating resistor -Z21-From August 2011: Lane change assistant control unit -J769-Lane change assistant control unit 2 -J770-
125Until August 2011: Refrigerant pressure and temperature sensor -G395- From August 2011: Onboard electrical system control unit -J519-
135From 2010: Connector, 18-pin -T18a-From August 2011: Airbag control unit -J234-Seat occupancy recognition control unit -J706-Front passenger airbag deactivation indicator lamp -K145-
145From 2010: Warning light button -E229-
Airbag control unit -J234-
Seat occupancy recognition control unit -J706-
Warning light indicator -K6-
1415From August 2011: Rear window wiper motor -V12-
1525From 2010: ABS control unit -J104-
Fuse bracket 2 -ST2- on fuse block C -SC-
Fuse bracket 1 -ST1- on fuse block D -SD-
Fuse bracket 4 -ST4- on fuse block F -SF-
1510From August 2011: Fuse bracket power supply 1-ST1-fuse block D-SD-
1640From 2010: Starter relay -J53-
Starter relay 2 -J695-
Fuse holder 1 -ST1- fuse 3 on fuse block B -SB3-Fuse holder 1-ST1-fuse 12 on fuse block B-SB12-Fuse holder 1-ST1-fuse 15 on fuse block B-SB15-(from August 2011)
ST2
15Before 2009: Circulation pump relay -J160-From 2010: Auto-dimming interior rearview mirror -Y7-From August 2011: Not used
25Clutch pedal sensor -F36- (until 2009)
Clutch pedal sensor for engine start -F194- (until 2009) Clutch pedal position sensor G476 (until August 2011) From August 2011: Brake light switch -F-
3202)
25 1,3)
Fuel booster pump -G6-
Fuel pump control unit -J538-
4510 4)Until August 2011: Circulation pump relay -J160-
45From August 2011: Clutch pedal position sensor -G476-
Additive dosing system pressure sensor -G686-
Additive dosing system control unit -J880-
Additive feed pump -V437-
Additive feed pump heating element -Z103-
530 5)15 6)On-board power supply control unit -J519-Front left seat ventilation control unit -J800-
6105 7)ABS control unit -J104-
725Until August 2011: Horn relay -J413-
715From August 2011: High-pitched horn -H2-
Low-pitched horn -H7-
Horn relay -J413-
830Driver’s door control unit -J386-
930Wiper motor control unit -J400-
1025ABS control unit -J104-
1115Driver’s door control unit -J386-
1130From August 2011: Rear left door
125Rain and light sensor -G397-
ST3
1Not used
2Not used
310Driver’s seat lumbar support adjustment switch -E176-
Front passenger’s seat lumbar support adjustment switch -E177-
435Active steering control unit -J792-
5Not used
635Onboard power supply control unit -J519-
730
20
Onboard power supply control unit -J519-
830Onboard power supply control unit -J519-
920Sliding sunroof control unit -J245-
1030Onboard power supply control unit -J519-
1120Until August 2011: Not usedFrom August 2011: Sunroof blind control unit -J394-
125Alarm signal -H12-
Anti-theft system sensor -G578-

Audi A5 (2007 – 2016) luggage compartment unit

It is located on the right behind the interior trim.

Photo example

ADecoding the elements
ST1
1Not used
2Not used
3Not used
4Not used
5Not used
6Not used
7Not used
8Not used
9Not used
10Not used
11Not used
12Not used
ST2
15Until 2009: Tire pressure monitoring control unit -J502- From 2010: Not used
21510 1)Trailer recognition control unit -J345-Rear bumper position adjustment control unit -J223-
320Trailer recognition control unit -J345-
420Trailer recognition control unit -J345-
55Electromechanical parking brake button -E538-
615Electronic damping control unit -J250 – Levelling control unit -J197 (from August 2011)
730Electromechanical parking brake control unit -J540-
830Central control unit for comfort systems -J393-
935All-wheel drive control unit -J492-
1030Central control unit for comfort systems -J393-
1120Central control unit for comfort systems -J393-
125Vehicle location system interface control unit -J843-Fuel tank leak diagnosis control unit -J909-
ST3
115
30
Before 2009: Inverter with socket, 12V-230V -U13-From 2010: Not used
2Before 2009: Not usedFrom 2010: Control unit for heated front right seat -J799-From August 2011: Socket relay -J807-Cigarette lighter -U1-12 V socket -U5-Socket inverter, 12-230 V -U13-12 V socket 2 -U18-12 V socket 3 -U19-
37,5Until 2009: Navigation control unit with CD drive -J401-
Radio -R- Telephone
signal receiver and transmitter -R36-
TV tuner -R78-
Mobile phone amplifier
-R86- Telephone mount
-R126-
Satellite receiver -R146- Digital magnet
18a-
340Since 2010: Radio -R-
Telephone signal receiver and transmitter -R36-
TV tuner -R78-
Mobile phone amplifier -R86-
Telephone mount -R126-
Connector, 18-pin, black -T18a-
340From August 2011: Voltage stabilizer -J532-
430Until 2009: Digital audio control unit -J525-
440From 2010: Voltage stabilizer -J532-
430From August 2011: Voltage stabilizer -J532-
Radio -R-
Digital speaker system control unit -J525-
55Until 2009: Control unit for the front control, display and information panel -J523-
530Since 2010: Inverter with socket, 12 V-230 V -U13-
525From August 2011: Inverter with socket, 12 V-230 V -U13-
630Auxiliary heater control unit -J364-
730Electromechanical parking brake control unit -J540-
830Left rear seat heating control switch -E128-
Right rear seat heating control switch -E129-
930Until August 2011: Front passenger door control unit -J387-
930From August 2011: Right front door
105Radio receiver for auxiliary heater -R64-
1115Until August 2011: Front passenger door control unit -J387-
1130From August 2011: Rear right door
125Before 2009: Rear view camera control unit -J772-From 2010: Not usedFrom August 2011: Telephone signal receiver and transmitter -R36-Mobile phone amplifier -R86-Telephone mount -R126-
ST4
115Socket 2 12V -U18-Since August 2011: Not used
21512 V socket -U5-Inverter with socket, 12-230 V -U13-(since 2010)Since August 2011: Not used
315Socket 3 12V -U19-Since August 2011: Not used
415Cigarette lighter -U1- Since August 2011: Not used
55Until 2009: Parking aid control unit -J791- From 2010: Not used
65Before 2009: Connector, 18-pin, black -T18a-From 2010: Connector, 2-pin, in the back of the driver’s seat -T2dy-Connector, 2-pin, in the back of the front passenger’s seat -T2dz-From August 2011: Not used
75Until 2009: Adaptive cruise control control unit -J428-
77,5From 2010: Parking aid control unit -J791- From August 2011: Not used
8Not used
95Electromechanical parking brake button -E538-From August 2011: Not used
105Lane change assistant control unit 2 -J770-From August 2011: Not used
115Rear left heated seat adjustment switch -E128-From August 2011: Not used
125Warning light switch -E3-
Airbag control unit -J234-
Seat occupancy recognition control unit -J706- Front passenger airbag deactivation indicator lamp -K145- Since August 2011: Not used
ST5
115Until August 2011: Not usedFrom August 2011: Control unit for heated front right seat -J799-
25Until August 2011: Not usedFrom August 2011: Relay for interior rearview mirror with automatic dimming function -J910-5  )
32030Until August 2011: Digital speaker system control unit -J525-radio -R-
330From August 2011: Fuse bracket 2 power supply -ST2- from fuse 1 on fuse block D -SD1- to fuse 4 on fuse block D -SD4-
47,5Until 2009: Not usedFrom 2010: Electronic information system control unit 1 -J794-
54)7,5 3)Before 2009: Not usedFrom 2010: Navigation system control unit with CD drive -J401-Radio -R-Telephone signal receiving and transmitting device -R36-TV tuner -R78-Mobile phone amplifier -R86-Telephone mount -R126-Connector, 18-pin, black
55From August 2011: Chip card reader control unit -J676-
radio-R-
TV-tuner-R78-
65Before 2009: Not usedFrom 2010: Rear view camera control unit -J772-
75Before 2009: Not usedFrom 2010: Mobile phone amplifier -R86-From August 2011: Not used
8Until August 2011: Not usedFrom August 2011: Multimedia system connection kit:Connector, 2-pin, in the driver’s seat backrest -T2dy-Connector, 2-pin, in the front passenger’s seat backrest -T2dz-
9Not used
10Not used
1130Until August 2011: Not usedFrom August 2011: Additive dosing system control unit -J880-
1210Until August 2011: Not usedFrom August 2011: Additive dosing system control unit -J880-
Individual fuses on the fuse block
H40Rear window heating relay -J9-
Relay
ASportback: Rear window heating relay -J9-
BUntil August 2011, only for special vehicles: Radio separation relay, radio relay -J84- From August 2011: Additive dosing system relay -J963-
CUntil August 2011, Coupe only: Rear window heating relay -J9-From August 2011: Not used
D2007: Power supply relay cl. 15 -J329- From August 2011, only for Coupe: Rear window heating relay -J9-
ANDSocket relay -J807-

1) Only for RS 52) Only for vehicles with radio (CAN) with Basic sound system (until November 2009)3) Until April 20104) From May 20105) Only for vehicles with start/stop system

Block under the hood of Audi A5 (2007 – 2016)

Fuses and relays are in the engine compartment, located on the right side and covered by a cover.

Scheme

Element designation

AAppointment
115Automatic transmission control unit -J217-
Mechatronic for dual clutch transmission -J743-
25
10 10)
Until August 2011: Oil level and temperature sensor -G266-
Fuel metering valve -N290-  10)
Fuel metering valve 2 -N402-  10)
25From August 2011: Oil level and temperature sensor -G266-
35Engine control unit -J623-
Air flow meter -G70- (until August 2011)
45Engine control unit -J623-
510 2)
15 3-10)
20 1)
Until August 2011: Engine coolant thermostat with parametric curve control -F265-Air flow meter -G70-Glow plug control unit -J179 –
Secondary air pump relay -J299 –
Throttle valve module
-J338 –
Low-power heating relay -J359 – High-power heating valve 1 absorber -N80- Secondary air supply valve -N112- Left electro-hydraulic engine mount solenoid valve -N144-
Right electro-hydraulic engine mount solenoid valve -N145- Intake manifold geometry change valve, fuel metering flap -N290- Intake manifold flap valve -N316- Secondary air supply valve 2 -N320- Exhaust flap valve 1 -N321- Air switching valve at the inlet -N335- Switchover valve for the exhaust gas recirculation system cooler -N345- Fuel metering valve 2 -N402- 4-
















55,12)7,5 11)10 1,2,4)From August 2011: Air flow meter -G70-
Fuel pressure regulator valve -N276-
Fuel metering valve -N290-
Compressor electromagnetic clutch -N421-  11)
615Until August 2011: Engine control unit -J623-
615From August 2011: Engine control unit -J623-
Injector 2 cylinder 1 -N532- Injector
2 cylinder
2 -N533-
Injector 2 cylinder 3 -N534- Injector 2 cylinder 4 -N535-
Absorber solenoid valve 1 -1   Oil pressure regulator valve
-N428- 11    Engine oil temperature regulator element -N493-  11 )  Engine oil cooler valve -N554-  11)  Boost pressure regulator 2 -V546-  11)



710 1,4-9,12)15 2,3,10)15 15)Engine coolant thermostat with parametric curve control -F265-(until August 2011)
Actuator 1 of the variable valve timing system -F366-
Actuator 2 of the variable valve timing system -F367- Actuator
3 of the variable valve timing system -F368-
Actuator 4 of the variable valve timing system -F369- Actuator
5 of the variable valve timing system -F370-
Actuator 6 of the variable valve timing system -F371-
Actuator 7 of the variable valve timing system -F372-
Actuator 8 of the variable valve timing system -F373-
Actuator 9 of the variable valve timing system -F374-(until August 2011)
Actuator element 10 of the variable valve timing system -F375-(until August 2011)
Actuator element 11 of the variable valve timing system -F376-(until August 2011)
Actuator element 12 of the variable valve timing system -F377-(until August 2011)
Coolant circulation relay after shutdown -J151- (until August 2011)
Additional coolant pump relay -J496- (until August 2011)
Boost pressure limit solenoid valve -N75-
Absorber solenoid valve 1 -N80- Left electrohydraulic engine mount solenoid valve -N144- Right electrohydraulic engine mount solenoid valve -N145 (from August 2011) Valve 1 of the variable valve timing system -N205- Automatic transmission
solenoid valve pre-resistor -N207- (until August 2011)
Valve 2 of the variable valve timing system -N208-
Exhaust flap valve -N220- (from August 2011) Valve 2 of the fuel supply -N290-
Intake manifold flap valve -N316- Valve 1 exhaust variable valve timing system -N318- Valve 2 exhaust variable valve timing system -N319- Climatronic coolant shut-off valve -N422- Oil pressure regulator valve -N428 Piston cooling valve -N522- (from August 2011) Fuel system diagnostic pump -V144- (until August 2011) Driver’s side window motor -V147- (until August 2011) Variable geometry intake manifold motor -V183- (from August 2011)










87)
10 5,6,8)
15 10)
20 1-4)
30 9)
Brake booster relay -J569-  10)
Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -NIgnition coil 5 with output stage -N323- Ignition coil 6 with output stage -N324-
Ignition coil 7 with output stage -N325-
Ignition coil 8 with output stage -N326-
Climatronic coolant shut-off valve -N422-
Exhaust gas recirculation cooler pump -V40
85,14)7,5 11)10 1,2,4)NOx sensor 2 -G687-
NOx sensor 2 control unit -J881-
Brake booster relay -J569-
NOx sensor -G295-
Soot sensor -G784-
NOx sensor control unit -J583-
Left electrohydraulic engine mount solenoid valve  1) Secondary air pump relay -J299-11)  Charge air  cooling  pump  -V188-11  )


97)
15 3,4,10)
20 5,6,8)
Until August 2011: Additional fuel pump relay -J832-
Heating element for lambda probe 1 after catalytic converter -Z29-
Heating element for lambda probe 2 after catalytic converter -Z30-
95From August 2011: Voltage stabilizer -J532-
Engine control unit -J623-
1010 7)15 1-4)
15 5,8,10)
Until August 2011: Lambda probe heating element -Z19-
Lambda probe heating element 2 after catalytic converter -Z28- Lambda probe heating element 1 after catalytic converter -Z29-
1011)10 5,12)15 1,2,4)From August 2011: Lambda sensor heating element -Z19-
Lambda sensor heating element 2 after catalytic converter -Z28- Lambda sensor heating element 1 after catalytic converter -Z29- Power steering control unit -J500-11  )
115Radiator fan control unit-J293-
Radiator fan 2 control unit-J671-
125Air flow meter -G70- (until August 2011)
Automatic transmission control unit -J217-
Mechatronic for dual clutch transmission -J743-
1310)Until August 2011: Engine oil level and temperature sensor -G266-
1315 11)From August 2011: Injector 2 cylinder 1 -N532-
Injector 2 cylinder 2 -N533- Injector 2 cylinder 3 -N534-
Injector 2 cylinder 4 -N535- Injector 2 cylinder 5 -N536-3 Injector
145)20 1,2,4,11)30 10)Ignition coil 1 with
output stage -N70-
Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N292-
4-

Ignition coil 7 with output stage -N325- Ignition coil 8 with output stage -N326- Engine component power supply relay 2 -J976- (From August 2011) Climatronic coolant shut-off valve -N422- (From August 2011) Exhaust gas recirculation cooler pump -V400- (From August 2011)
15520 11)Until August 2011: Not usedFrom August 2011: Power steering control unit -J500-, (except 3.0 l TFSI, from 2015) Lambda sensor heating element -Z19-, (3.0 l TFSI, from 2015) Lambda sensor heating element 2 -2,
161525 11)Until August 2011: Not usedFrom August 2011: Engine coolant thermostat with parametric curve control -F265-Glow plug control unit -J179-Secondary air pump relay-J299-Low heating power relay -J359-High heating power relay -J360-Additional coolant pump relay-4th gear -J696- Boost pressure limit solenoid valve -N75- Crankcase ventilation heater resistor -N79- Absorber solenoid valve 1 -N80- Secondary air supply valve -N112- Left electrohydraulic engine mount solenoid valve -N144- Air filter solenoid valve -N275- Intake manifold flap valve -N316- Secondary air supply valve 2 -N320- Exhaust gas recirculation radiator switching valve -N345- Oil pressure regulator valve -N428- Cylinder head coolant valve -N489- Engine temperature regulator actuator -N493- Coolant recirculation pump -V50- Charge air cooling pump -V188- Crankcase ventilation valve -V546- Engine control unit -J623-
1715 4)20Until August 2011: Not usedFrom August 2011: Heating element of lambda probe 2 after catalytic converter -Z30-
K50 9)Secondary air supply fuse -S130-
K60 5)80 8)Blade fuse for engine glow plugs -S39-
L50 10)Fuse 2 for secondary air pump -S284- (RS5 only)
L15 9)Brake system vacuum pump fuse -S283 (until August 2011)
Relay
ADiesel: Glow plug control unit -J179- 4 and 6 cylinder petrol engines: Engine component power supply relay -J757-
BStarter relay -J53- (socket 2.2)Starter relay 2 -J695-(socket 2.2)
C6 and 8 cylinder petrol engines: Secondary air pump relay -J299-
DDiesel: Power supply relay cl. 30 -J317- Petrol: Motronic power supply relay -J271-
ANDDiesel: Fuel pump relay -J17-Diesel: Auxiliary fuel pump relay -J832-4 and 8 cylinder petrol engines: Coolant circulation relay after engine shut-off -J151-6 cylinder petrol engines: Auxiliary coolant pump relay -J496-RS5: Brake booster relay -J569-Diesel: Transmission cooling circuit relay -J696-
FRS5: Secondary air pump relay 2 -J545-

1) Only for vehicles with 4-cylinder petrol engine (1.8 l. TFSI)

2) Only for vehicles with 4-cylinder petrol engine (2.0 l. TFSI)

3) Only for vehicles with 6-cylinder petrol engine (3.2 l. FSI)

4) Only for vehicles with 6-cylinder petrol engine or diesel engine (2.0 l. TDI)

6) Only for vehicles with 4-cylinder diesel engine (2.0 l. TDI – EU 3)

7) Only for vehicles with 4-cylinder diesel engine (2.0 l. TDI – generation 2) 

10 ) Only for vehicles with 8-cylinder petrol engine (RS5 only)

11) Only for vehicles with 6-cylinder petrol engine (3.0 l. TFSI), from model year 2015

12) Only for vehicles with 6-cylinder diesel engine (3.0 l. TDI)

13) Only for vehicles with 6-cylinder diesel engine (3.0 l. TDI BIN 5)

14) Only for vehicles with 6-cylinder diesel engine (3.0 l. TDI EU 6)

15) Only for vehicles with 4-cylinder petrol engine (1.8 l. TFSI generation 3)

Fuses and relays Audi A5 (2007 – 2016). Fuse diagram Audi A5 (2007 – 2016).