Audi A1 (body code – 8X) – subcompact car, went on sale went on sale in September 2010. It is still being produced. In 2011, sales of the Audi A1 e-tron electric car with a range of 50 km began. Our material provides information on the locations and descriptions of the fuses and relays of the Audi A1. The placement of the blocks is also relevant for the 5-door car and the Sportback version.

Block locations

  1. Fuse block D-SD-;
  2. Fuse block A-SA-;
  3. Fuse block C-SC-;
  4. Relay/fuse bracket F-SF-;
  5. Fuse block B-SB-, fuse block H-SH-;
  6. Fuse block B-SB-.

Please note that the diagram may change depending on the equipment and year of manufacture of the car! Check the description on the back of the protective cover.

Fuse block – No. 1

Scheme

Description of the scheme

ST1 panel (black color)

17,5Control unit for electric steering column lock -J764-
220Trailer recognition control unit -J345-
320Trailer recognition control unit -J345-
430
7,5
Mechatronics for dual clutch transmission -J743- , until October 2014
Electronic damping control unit -J250- , from January 2014
530Headlight washer relay -J39-
Headlight washer pump -V11-
65Vehicle location system interface control unit -J843-
77,5Control unit for access control and engine start system -J518-
815Mechatronics for dual clutch transmission -J743- , up to October 2014
920Sliding sunroof motor -V1-
107,5Selector sensor control unit -J587-
1115Engine electronic power supply relay -J757- , up to October 2014
Fuel pressure control valve -N276- , up to October 2014
12Not used

ST2 panel (brown color)

15Reversing light switch -F4-
Selector switch sensor control unit -J587-
Mechatronics for dual clutch transmission -J743-
210High pressure sensor -G65-
Engine oil level and temperature sensor -G266-
Air conditioning control unit -J301-
Socket relay -J807-
Auto-dimming interior rearview mirror -Y7-
Connector, 16-pin -T16- , diagnostic connector
35Data bus diagnostic interface -J533-
45Heater control unit -J65-
Body noise control unit -J869-
57,5Light switch -E1-
Starter relay 1 -J906-
Voltage stabilizer -J532-
Starter relay 2 -J907-
Auto-dimming interior rearview mirror relay -J910-
Left front headlight -MX1-
Right front headlight -MX2-
65Light switch -E1-
75ABS control unit -J104- , until October 2014
Voltage stabilizer 2 -J570- , until October 2014
Electronic damping control system control unit -J250- , from January 2014
85Driver’s seat heating control -E94-
Front passenger seat heating control -E95-
Hazard warning light button -E229-
Rear window heating switch -E230-
ASR and ESP button -E256-
Parking assist button

Start-stop button -E693-
Trailer recognition control unit -J345-
Left injector heating resistor -Z20-
Right injector heating resistor -Z21-
95Power steering control unit -J500-
105
7,5
Air flow meter -G70-
Fuel pump control unit -J538-
Crankcase ventilation heater -N79-
115Airbag control unit -J234-
Front passenger airbag warning light off -K145-
125Parking assistant control unit -J446-
135Headlight leveling control unit -J431-
1430Seat heating control unit -J882-
1515Rear wiper motor -V12-
165Engine control unit -J623-
Air flow meter -G70-

ST3 panel (red color)

  1. Not used
  2. Not used
  3. 5-10A – All-wheel drive control unit -J492-, gradual output
  4. Not used
  5. Not used
  6. Not used
  7. Not used
  8. Not used
  9. Not used
  10. 5-10A-Control unit for special vehicles -J608-
  11. Not used
  12. Not used

Block photo

Fuse block – No. 2

The unit is located on the positive pole of the battery (only for vehicles with a battery in the luggage compartment) .

Transcript

  1. Not used;
  2. On-board network power supply / Power supply of engine components;
  3. Not used;
  4. Battery disconnection fuse-N253-.

Fuse block – No. 3

Scheme

ST1 panel (black color)

130Digital audio system control unit -J525-
Voltage stabilizer -J532-
Radio -R-
240Heater control unit -J65-
Contact relief relay X -J59-
Supply air fan control unit -J126-
Supply air fan -V2-
320Cigarette lighter -U1-
12 V socket -U5-
415Trailer recognition control unit -J345-
55Data bus diagnostic interface -J533-
630Front passenger door control unit -J387-
Rear right door control unit -J389-
730Driver’s door control unit -J386-
Rear left door control unit -J388-
830Rear window heating relay -J9-
Rear window heating -Z1-
925ABS control unit -J104-
1020Onboard power supply control unit -J519-
1115High-frequency horn -H2-
Low-frequency horn -H7-
Horn relay -J413-
1230Onboard power supply control unit -J519-

Fuse number 3 at 20A is responsible for the cigarette lighter.

ST2 panel (brown color)

15Anti-theft alarm buzzer -H12-
Anti-theft system sensor -G578-
25
5
7,5
Terminal 30 power supply relay -J317- 22)
Motronic power supply relay -J271- (21)
Engine control unit -J623-
35Onboard power supply control unit -J519-
4515ABS control unit -J104-
Voltage stabilizer 2 -J570-
All-wheel drive control unit -J492-
5Not used
65Rain and light sensor -G397-
Mobile phone amplifier -R86-
Phone holder -R126-
Front module for ceilings -WX3-
715
20
Fuel pump control unit -J538-
Fuel pump relay -J17- 22)
810Relay for additional cooling system pump -J496- , up to October 2014
95Steering column control unit -J527-
105Light switch -E1-
1110Climatronic control unit -J255-
Air conditioning control unit -J301-
Front passenger door control unit -J387- (until April 2012)
Rear right door control unit -J389- (until April 2012)
Plug connector, 16-pin – T16-, diagnostic connector
1210Driver’s door control unit -J386- (until April 2012)
Rear left door control unit -J388- (until April 2012)
1310Onboard power supply control unit -J519-
1420Socket relay -J807- only for vehicles without TSU socket
1530Onboard power supply control unit -J519-
1620Wiper motor 1 switching relay -J368- , up to October 2014
Engine component supply relay -J757-
Ignition coils 1 with output stage -N70-

Relay bracket – No. 4

Marking

1-40-Voltage stabilizer -J532-

2-50-Supply fuse block 1 -ST1- on fuse block D -SD-

3-40-Power supply relay terminal 15 -J329-

4-40-ABS control unit -J104-

5-5-Voltage stabilizer 2 -J570-, gradual output

6-5-Onboard power supply control unit -J519-, Voltage stabilizer -J532-

16-10-Brake light switch -F- (from November 2011 to October 2014) / clutch pedal position sensor -G476- (from November 2011 to October 2014)

17-5-Heating element of the lambda probe -Z19- (from November 2011 to October 2014)

Fuse block – No. 5

Decoding the scheme

  1. 175A – Alternator -C-
  2. 40A – Low-power heating relay -J359- / Air heater element -Z35-
  3. 110A – On-board power supply / Engine component power supply
  4. 80A – Power steering control unit -J500-
  5. 50A/40A – Coolant fan thermal switch -F18- / Radiator fan control unit -J293-
  6. 50A – Glow plug control unit -J179-
  7. 60A – High-power heating relay -J360- / Battery monitoring control unit

Fuse block – No. 6

Transcript

1110/50A Onboard power supply, Engine component power supply, Radiator fan control unit -J293, Radiator fan -V7-
2250A Alternator -C-, Voltage regulator -C1-
3AKB +
480A Power steering control unit -J500-
550A Glow plug control unit -J179-, Glow plug 1 -Q10-, Glow plug 2 -Q11-,
Glow plug 3 -Q12-, Glow plug 4 -Q13-
650A Radiator fan control unit -J293-, Radiator fan -V7-
125A On-board power supply, power supply for engine component