Audi A1 (body code – 8X) – subcompact car, went on sale went in September 2010. Years of issue 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020. There is also an electric car Audi A1 e-tron on sale. Our material provides information about the locations of the boxes and the description of the fuses and relays of the Audi A1. The placement of the boxes is also relevant for the 5-door car and the Audi S1 (Sportback) version.
We draw your attention to the fact that changes in the scheme are possible depending on the configuration and year of manufacture of the car! Check the description on the back of the protective cover.
Fuse box – No. 1
Diagram
Description of the circuit
ST1 panel (black)
1
7.5
Control unit el. steering column lock -J764-
2
20
Trailer detection control unit -J345-
3
20
Trailer detection control unit -J345-
4
30 7.5
Mechatronic unit for dual clutch gearbox -J743-, up to October 2014 Electronic damping control unit -J250-, from January 2014
Vehicle location system interface control unit -J843-
7
7.5
Entry and start monitoring system control unit -J518-
8
15
Mechatronic unit for dual clutch gearbox -J743-, up to October 2014
9
20
Sliding sunroof motor -V1-
10
7.5
Selector lever sensor control unit -J587-
11
15
Relay for voltage supply for engine electronics -J757-, up to October 2014 Fuel pressure regulating valve -N276-, up to October 2014
12
–
Not used
ST2 panel (brown)
1
5
Reversing light switch -F4- Selector lever sender control unit -J587- Mechatronics for dual clutch gearbox -J743-
2
10
High pressure sender -G65- Engine oil level and temperature sender -G266- Air conditioner control unit -J301- Socket relay -J807- Auto dimming interior rearview mirror -Y7- 16-pin connector -T16-, diagnostic connector
3
5
Data bus diagnostic interface -J533-
4
5
Heater control unit -J65- Structure-borne noise control unit -J869-
5
7.5
Light switch -E1- Starter relay 1 -J906- Voltage stabilizer -J532- Starter relay 2 -J907- Automatic dimming interior mirror relay -J910- Left front headlight -MX1- Right front headlight -MX2-
6
5
Light switch -E1-
7
5
ABS control unit -J104-, up to October 2014 Voltage stabilizer 2 -J570-, up to October 2014 Electronic damping control unit -J250-, from January 2014
8
5
Heated driver’s seat control -E94- Heated front passenger seat control -E95- Hazard warning lamp -E229- Heated rear window switch -E230- ASR and ESP button -E256- Parking aid button -E266- Tire pressure indicator button -E492 – Button for start / stop mode -E693- Trailer detection control unit -J345- Heating resistor for left injector -Z20- Heating resistor for right injector -Z21-
9
5
Power steering control unit -J500-
10
5 7.5
Air mass meter -G70- Fuel pump control unit -J538- Heating resistor for crankcase ventilation -N79-
11
5
Airbag control unit -J234- Front passenger airbag warning lamp off -K145-
12
5
Parking aid control unit -J446-
13
5
Headlight range control unit -J431-
14
30
Seat heating control unit -J882-
15
15
Rear wiper motor -V12-
16
5
Engine control unit -J623- Air mass meter -G70-
ST3 panel (red)
Not used
Not used
5-10A – Four-wheel drive control unit -J492-, gradual withdrawal
Not used
Not used
Not used
Not used
Not used
Not used
5-10A-Special vehicle control unit -J608-
Not used
Not used
Box photo
Fuse box – No. 2
The box is located on the positive pole of the battery (only for vehicles with a battery in the luggage compartment) .
Designation
Not used;
Onboard power supply / Power supply of engine components;
Not used;
Battery cut-off igniter -N253-.
Fuse box – No. 3
Diagram
ST1 panel (black)
1
30
Digital sound system control unit -J525- Voltage stabilizer -J532- Radio -R-
2
40
Heater control unit -J65- contact relief relay X -J59- supply fan control unit -J126- supply air fan -V2-
3
20
Cigarette lighter -U1- 12 V socket -U5-
4
15
Trailer detection control unit -J345-
5
5
Data bus diagnostic interface -J533-
6
30
Front passenger door control unit -J387- Rear right door control unit -J389-
7
30
Driver door control unit -J386- Rear left door control unit -J388-
Terminal 30 voltage supply relay -J317- ( 22) Motronic supply relay -J271- (21) Engine control unit -J623-
3
5
Onboard supply control unit -J519-
4
5
15
ABS control unit -J104- Voltage stabilizer 2 -J570- Four -wheel drive control unit -J492-
5
–
Not used
6
five
Rain and light sensor -G397- Mobile phone amplifier -R86- Telephone holder -R126- Front roof module -WX3-
7
15 20
Fuel pump control unit -J538- Fuel pump relay -J17- ( 22)
8
10
Relay for additional coolant pump -J496-, up to October 2014
9
5
Steering column control unit -J527-
10
5
Light switch -E1-
11
10
Climatronic control unit -J255- Air conditioning control unit -J301- Front passenger door control unit -J387- (up to April 2012) Rear right door control unit -J389- (up to April 2012) 16-pin connector – T16-, diagnostic connector
12
10
Driver’s door control unit -J386- (up to April 2012) Rear left door control unit -J388- (up to April 2012)
13
10
Onboard supply control unit -J519-
14
20
Socket relay -J807- only for vehicles without hitch socket
15
30
Onboard supply control unit -J519-
16
20
Switching relay 1 for wiper motor -J368-, up to October 2014 Relay for power supply for engine components -J757- Ignition coils 1 with output stage -N70-
Relay holder – No. 4
Designation
40A Voltage stabilizer -J532-
50A Power supply for fuse holder 1 -ST1- on fuse holder D -SD-
40A Terminal 15 voltage supply relay -J329-
40A ABS control unit -J104-
5A Voltage stabilizer 2 -J570-, gradual output
5A Onboard supply control unit -J519-, voltage stabilizer -J532-
16 10A – Brake light switch -F- (from November 2011 to October 2014) / clutch pedal position sender -G476- (from November 2011 to October 2014)
17 5A – Lambda probe heater -Z19- (from November 2011 to October 2014)
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