The 2nd generation Audi Q7 was produced in 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. During this time, the model underwent a facelift several times. In this article you can find information describing the Audi Q7 2G fuses with fuse box diagrams, their locations and photo examples of execution. Let’s highlight the cigarette lighter fuse.
The purpose of fuses and relays may differ from those presented and depend on the year of manufacture and the level of electrical equipment of your car.
Contents
Passenger compartment
Left side fuse box
At the left end of the instrument panel, behind the protective cover, there is a fuse box.
Diagram
Assignment
| 1 | – |
| 2 | Audi phone box, coupling antenna |
| 3 | Climate control system, fragrance system |
| 4 | Head-up display |
| 5 | Audi music interface, USB connection |
| 7 | Steering column lock |
| 8 | Upper/ lower display |
| 9 | Instrument cluster |
| 10 | DVD drive |
| 11 | Light switch, switch panels |
| 12 | Steering column electronics |
| 13 | Volume control |
| 14 | MMI Infotainment system control module |
| 15 | Steering column adjustment |
| 16 | Steering wheel heating |
Footwell fuse box
Left-hand drive vehicles
To access the unit, you must remove the protective cover. Remove the mounting screw cover using a flat-head screwdriver, then unscrew the screw and remove the cover.
The fuse box itself will look something like this.
Diagram
Right hand drive vehicles
Photo – example
Diagram
General designation
| Fuse panel SA (brown). | |
| A1 | Catalytic converter heating, camshaft adjustment. |
| A2 | Mass air flow sensor, heated oxygen sensors |
| A3 | Engine heating, fuel injectors, exhaust doors |
| A4 | Hot water pump, exhaust doors, NOX sensor, particulate matter sensor, biodiesel sensor |
| A5 | Brake light sensor |
| A6 | Engine valves |
| A7 | Heated oxygen sensor, mass air flow sensor |
| A8 | High pressure pump, engine mount |
| A9 | Motor components, motor relay |
| A10 | Oil pressure sensor, oil temperature sensor |
| A11 | Coolant pump 48V, starter-alternator 48V, starter-alternator 12V |
| A12 | Engine valves |
| A13 | Engine cooling |
| A14 | Drive System Control Module |
| A15 | Heated oxygen sensors |
| A16 | Fuel pump |
| Fuse panel SB (red) | |
| B1 | Ignition coils |
| B3 | heater 48 volt |
| B4 | Electric compressor |
| B5 | Engine mount |
| B6 | Windshield washer control module |
| B7 | Dashboard |
| B8 | Climate control fan |
| B9 | Driver Assistance Control Module |
| B10 | Emergency call and communication control module |
| B11 | Starting the engine, electric clutch |
| B12 | Right headlight |
| SC Fuse Panel (Black) | |
| C1 | Heated front seats |
| C2 | Wipers |
| C3 | Left headlight electronics |
| C4 | Panoramic glass roof |
| C5 | Left front door control module |
| C6 | Sockets (cigarette lighter) |
| C7 | Right rear door control module |
| C8 | Left headlight |
| C9 | Right headlight electronics |
| C10 | Windshield washer/headlight washer control module |
| C11 | Left Rear Door Control Module |
| C12 | Parking heater |
| SD Fuse Panel (Brown) | |
| D1 | Seat ventilation, seat electronics, rear view mirror, rear climate control panel, diagnostic connector, traffic information antenna (TMC) |
| D2 | On-board network control module, diagnostic interface |
| D3 | Sound generator |
| D4 | Transmission Fluid Cooling Valve |
| D5 | Starting the engine, electric drive |
| D8 | Night vision assist, active roll stabilization |
| D9 | Adaptive cruise assist, front wheel sensors |
| D10 | External sound generator |
| D11 | Crossing assistant, driver assistance systems |
| D12 | Right headlight |
| D13 | Left headlight |
| D15 | USB connection |
| D16 | Preparing for Rear Seat Entertainment |
| SE Fuse Panel (Red) | |
| E1 | Anti-theft alarm |
| E2 | Engine control module |
| E3 | Electronic front seats, lumbar support |
| E4 | Automatic transmission selector lever |
| E5 | Horn |
| E6 | Hand brake |
| E7 | Diagnostic interface |
| E8 | Roof electronics control module |
| E9 | Starter-generator 48 volt |
| E10 | Airbag control module |
| E11 | Electronic Stability Control (ESC), Anti-lock Braking System (ABS) |
| E12 | Light/rain sensor diagnostic connector |
| E13 | Climate control system |
| E14 | Right front door control module |
| E15 | Climate control compressor |
| E16 | Brake pressure reservoir |
Additional protection elements may be installed near the fuse box.
Layout
Allocation
- A – 15A Seat and steering column adjustment control unit with memory
- B – 15A Adjusting the front passenger seat with memory control unit
- C – 40A ABS control unit
- D – 40A ABS control unit
- E –
- F – 50A Transmission Hydraulic Auxiliary Pump
A high power fuse box can be installed near the battery.
Photo – example
Luggage compartment
In the luggage compartment on the left side, under the protective cover, another box with fuses and relays is installed.
Diagram
Allocation
| Fuse Panel A (Black) | |
| A1 | High voltage heating, thermal management |
| A5 | Air suspension/suspension control |
| A6 | Automatic Transmission Control Module |
| A7 | Heated rear seats, rear climate control controls |
| A8 | Third row seat adjustment |
| A9 | Left rear light |
| Comfort system control unit, left rear light | |
| A10 | Driver’s side front belt tensioner |
| A11 | Central locking of the trunk lid, fuel filler flap, trunk lid |
| A12 | Trunk Lid Control Module |
| Fuse Panel B (Red) | |
| B1 | Rear climate control fan |
| B2 | Sound amplifier |
| B3 | Exhaust treatment, sound actuator |
| B4 | Rear climate control panel |
| B5 | Right towbar light |
| B6 | Trailer Hitch Positioning Motor |
| B7 | Releasing the trailer hitch |
| B8 | Left towbar light |
| B9 | Trailer hitch socket |
| B10 | Allroad sport differential |
| B11 | Exhaust gas treatment |
| B12 | Driver’s side rear seat belt pretensioner |
| Fuse Panel C (Brown) | |
| C1 | Driver Assistance Control Module |
| C2 | Audi telephone module |
| C3 | Front seat electronics, right lumbar support |
| Right lumbar support | |
| C4 | Lateral assistant |
| C5 | Preparing the rear seat entertainment system |
| C6 | Tire pressure monitoring system |
| C7 | External antenna |
| C8 | Autonomous heating radio, tank module |
| C10 | TV tuner, data exchange and telematics control module |
| C11 | Convenient access and launch authorization control module |
| C12 | Garage Door Opener |
| C13 | Rear view camera, peripheral cameras |
| C14 | Control unit for the right rear light comfort system |
| C15 | Rear seat belt pretensioner, passenger side |
| C16 | Front seat belt tensioner, passenger side |
| Fuse panel D (red) | |
| D1 | Active roll stabilization |
| D2 | High voltage battery |
| D3 | HV Battery Coolant Pump |
| D4 | Power electronics control module |
| D5 | Brake booster |
| D6 | Voltage transformer |
| D7 | Engine starting |
| D8 | Climate control compressor |
| D9 | Auxiliary Battery Control Module |
| D10 | High voltage battery |
| D11 | Charging system |
| D12 | Radio for additional heating and air conditioning |
| D14 | Temperature control, coolant pumps |
| D15 | Thermal management module |
| Fuse panel E (brown) | |
| E7 | Heated front seats |
| E9 | Exhaust gas treatment |
| E10 | Heated rear seats, rear climate control controls |
| E12 | Exhaust gas treatment |
Additional items
Appointment
- A – 15A Adjusting the front passenger seat with memory control unit (right-hand drive)
- B –
- C – 30A Heated rear window relay
- D – 40A Adaptive suspension compressor electronics
- E –
- F –
If you know how to make the material better, write in the comments.
You don’t say where in the vehicle the relays mentioned below can actually be found.
this would be very helpful.
A – 15A Adjusting the front passenger seat with memory control unit (right-hand drive)
B –
C – 30A Heated rear window relay
D – 40A Adaptive suspension compressor electronics
E –
F –