Audi A4 (2018) – fuse box diagram
Year of production: 2018
Fuse assignment – driver’s/front passenger’s footwell
Audi A4 – fuse box diagram – driver’s front passenger’s footwell
Front passenger ‘s footwell (right -hand drive vehicle)
Audi A4 – fuse box diagram – driver’s front passenger’s footwell (right hand drive vehicle)
Fuse panel A (brown)
Number
Electric equipment
1
—
2
Mass airflow sensor, camshaft adjustment, charge air cooler pump
3
Exhaust doors, fuel injectors, radiator inlet
4
Vacuum pump, hot water pump, particulate sensor, biodiesel sensor
5
Brake light sensor
6
Engine valves, camshaft adjustment
7
Heated oxygen sensor, mass airflow sensor
8
Water pump, high pressure pump, high pressure regulator valve
9
Hot water pump
10
Oil pressure sensor, oil temperature sensor
11
Clutch pedal position sensor
12
Engine valves
13
Radiator fan
14
Fuel injectors
15
Ignition coils
16
Fuel pump
Fuse panel B (red)
Number
Electric equipment
1
Anti-theft alarm system
2
Engine control module
3
Lumbar support
4
Automatic transmission selector mechanism
5
Horn
6
Electromechan ical park ing brake
7
Gateway control module
8
Interior headl iner lights
9
—
10
Airbag control module
11
Electronic Stabilization Control (ESC)
12
Diagnostic connector, light/rain sensor
13
Climate control system
14
Right front door control module
15
A/C compressor
Fuse panel C (black)
Number
Electric equipment
1
Front seat heating
2
Windshield wipers
3
Left head light electronics
4
Panorama glass roof/ sliding/t ilting sunroof
5
Left front door control module
6
Sockets
7
Right rear door control module
8
All wheel drive
9
Right headlight electronics
10
Windshield washer system/headlight washer system
11
Left rear door control module
Fuse panel D (black)
Number
Electric equipment
1
Seat ventilation, rearv iew mirror, rear climate control system controls
2
Gateway, climate control system
3
Sound actuator/exhaust sound tuning
4
Clutch pedal position sensor
5
Engine start
6
—
7
Rear USB charg ing port
8
Homelink
9
Adaptive cruise control
10
—
11
Video camera
12
Matrix LED headlight/right LED headlight
13
Matrix LED headlight/left LED headlight
14
Rear window wiper
Fuse panel E (red)
Number
Electric equipment
1
Ignition coils
2
Natural gas tank valves
3
—
4
—
5
Engine mount
6
Automatic transmission
7
Instrument panel
8
Climate control system (blower)
9
—
10
Dynamic steering
11
Engine start
Driver’s side cockpit fuse assignment
Audi A4 – fuse box diagram – driver’s side cocpit
Number
Electric equipment
1
—
2
Telephone
3
—
4
Head-up display
5
Audi mus ic interface, USB charging port
6
Front climate control system controls
7
Steering column lock
8
Infotainment system display
9
Instrument cluster
10
Infotainment unit
11
Light switch
12
Steering column electronics
13
—
14
Infotainment system
15
—
16
Steering wheel heating
Left luggage compartment fuse assignment
Audi A4 – fuse box diagram – luggage compartment
Fuse panel A (black)
Number
Electric equipment
1
—
2
Windshield defroster
3
Windshield defroster
4
—
5
Suspension control
6
Automatic transmission
7
Rear window defogger
8
Rear seat heating
9
Tail lights
10
Left safety belt tensioner
11
Central locking system
12
Electric luggage compartment lid
Fuse panel B (red)
Number
Electric equipment
Not assigned
Fuse panel C (brown)
Number
Electric equipment
1
—
2
Telephone
3
Lumbar support
4
Audi side assist
5
—
6
—
7
—
8
Smart module (tank)
9
—
10
—
11
12 Volt battery
12
Homelink
13
Rearview camera, peripheral cameras
14
Right tail lights
15
—
16
Right safety belt tensioner
Fuse panel E (red)
Number
Electric equipment
1
—
2
Sound-amplifier
3
AdBlue heating
4
—
5
Trailer hitch (right light)
6
—
7
Trailer hitch
8
Trailer hitch (left light)
9
Trailer hitch (socket)
10
Sport differential
11
Ad Blue
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.