The A8 is a luxury car manufactured by Audi AG in Neckarsulm, Germany, the successor to the V8. In this material, we will analyze in detail the fuse and relay circuits of the Audi A8 / S8 (body index 4H) of the 3rd generation 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 model year with 2.0 TFSI Hybrid engines, 3.0 TDI, 3.0 TFSI, 4.0 FSI, 4.2 FSI, 4.2 TDI, 6.3 W12.
Here you will find the locations and photos of the mounting blocks. Separately, we note the fuses responsible for the cigarette lighter and fuel pump.
In the luggage compartment
The block is behind a plastic cover.
Access example.
Diagram
No.
Description
A
1
TCS/ESP button
5
Headlight range control unit
Power control unit
Diagnostic socket (16)
2
Data bus diagnostic interface
5
3
Adaptive Suspension Control Unit
5
4
Parking assistance control unit
5
5
Control unit, steering column electronics
5
6
Control block
5
7
Airbag control unit
5
Passenger side airbag deactivation indicator
"Seat occupied" recognition control unit
8
Garage door control unit
5
Night vision control unit
Air quality improvement control unit
Heated nozzles
4WD control unit
9
Electromechanical parking brake control module
5
10
Trailer detection control unit
5
Fridge
Seat heating control unit
Automatic anti-glare rear view mirror
11
Active steering control unit
5
12
Box Lever Control Unit
5
13
Lane change assist control unit
5
14
The engine control unit
5
15
starter relay
40
16
Headlight range control unit
5/10
Left headlight power control unit
17
Seat belt pretensioner control unit
25
18
Seat belt pretensioner control unit
25
19
The engine control unit
5
20
Voltage regulators
7.5
21
Camera control unit
7.5
22
Right headlight power control unit
10
23
ABS control unit
5
Air conditioning compressor
24
Engine crankcase heater
7.5
Emergency stop relay
Voltage regulator(s)
Engine mount control unit
Sound control unit transmitted through the vehicle body structure
25
Adaptive cruise control
10
battery
26
Automatic transmission control unit
5
Automatic transmission control unit
Local area network (CAN) controller
27
Air quality sensor
5
Refrigerant pressure and temperature sensor
Humidity sender
28
Special equipment
5
29
Electric parking brake
5
30
Reserve
5
31
Door control unit, rear right
7.5
32
Fuel tank leakage control unit
5
Fuel tank pressure sensor
telephone
33
Climatronic control unit
15
34
Air conditioning control unit
10
35
Data bus diagnostic interface
5
36
Fridge
15
37
Interface for special functions
5
38
Phone adapter, Bluetooth handset
5
39
Engine mount control unit
15
40
Gear lever control unit
10
41
Comfort control unit
10
42
20
43
Fuel pump control unit
25
44
Parking brake control unit
30
45
empty
46
12V socket
20
47
Rear cigarette lighter
20
Additional sockets 12V
48
Front cigarette lighter fuse
20
DC-AC converter with socket, 12 V - 230 V
49
Adaptive Suspension Control Unit
15
fifty
DC-AC converter with socket, 12 V - 230 V
15
51
Parking brake control unit
30
52
Seat heating control unit
25
Air conditioning control unit
Heated rear seat switch
53
Comfort control unit
20
54
Air conditioning fan control unit
20
55
Comfort control unit
20
56
Reserve
30
57
Rear seat adjustment
5
Seat remote control
58
Cooling Fan Relay
35
59
Seat adjustment
7.5
60
Trailer detection control unit
25/30
trailer connector connector
61
Trailer detection control unit
20/25
trailer connector connector
62
Seat adjustment
30
63
Seat adjustment
30
64
Trailer detection control unit
20/25
trailer connector connector
65
Trailer detection control unit
15
trailer connector connector
66
Seat adjustment
7.5
67
Accumulator battery
15
68
empty
-
69
Audio control unit
30
Voltage regulators
radio tape recorder
70
Audio control unit
30
71
multimedia control unit
10
Voltage regulators
Information display control unit
Information display
72
Tire pressure monitoring unit
5
73
Rear view camera control unit
5
Automatic anti-glare rear view mirror
74
DVD
5
75
TV tuner
5
76
Information display control unit
7.5
77
Control Panel
5
Analog clock
78
Vehicle information control unit
5
79
radio tape recorder
7.5
80
Telephone
5
Chip card reader
Rear view camera control unit
81
empty
-
82
Reserve
80
83
Reserve
110
84
Rear window heating
40
85
Leveling system
40
86
Engine start/stop switch
40
87
Front passenger seat adjustment
15
R1
Adaptive Suspension Compressor Relay
R2
Rear window heating
R3
Automatic anti-glare rear view mirror
Cooling Fan Relay
R4
Fuel pump relay
R5
Engine starter relay
R6
Terminal 15 relay supply voltage
R7
Relay Power Socket
Auxilary fuse holder
An additional fuse board is located next to the main unit.
Diagram
1
reducer heater
30
2
reagent dosing system
10
R1
reagent dosing system relay
In the passenger compartment
From the passenger's side
The first block is located at the end of the dashboard on the passenger side.
Diagram
No.
Purpose
A
1
Anti-theft system
5
2
transmission control module
15
3
Front climate control fan
40
4
Engine power
35
5
empty
-
6
Engine control module
5
7
Control module (front right door)
7.5
8
Front passenger window
30
9
ESC control module
10
10
25
11
Rear right power window
30
12
Front passenger seat (pneumatic)
15
From the driver's side
The second fuse box is located at the end of the dashboard on the driver's side.