The 2nd generation Audi Q7 was produced in 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. During this time, the model has undergone facelift several times. In this article, you can find information describing the fuses of the 2nd generation Audi Q7 with block diagrams, their locations and photo examples of execution. Let’s highlight the cigarette lighter fuse.
Blocks in the cabin
Left side fuse box
A fuse box is located on the left side of the instrument panel, behind a protective cover.
| № | Description |
|---|---|
| 1 | – |
| 2 | Audi telephone module, connecting antenna |
| 3 | Climate control system, aromatization system |
| 4 | Projection display |
| 5 | Audi music interface, USB connection |
| 7 | Steering column lock |
| 8 | Upper/lower display |
| 9 | Instrument panel |
| 10 | DVD drive |
| 11 | Light switch, switch panels |
| 12 | Steering column electronics |
| 13 | Volume control |
| 14 | MMI infotainment control module |
| 15 | Steering column adjustment |
| 16 | Steering wheel heating |
Fuse box in the footwell
Left-hand drive cars
To access the unit, you must remove the protective cover. Remove the cover of the mounting screw using a flat screwdriver, then unscrew the screw and remove the cover.
The block itself will look something like this.
Right-hand drive cars
| № | 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 door, NOX sensor, particulate 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 | Engine components, engine relays |
| A10 | Oil pressure sensor, oil temperature sensor |
| A11 | Coolant pump 48, starter-generator 48, starter-generator 12 |
| A12 | Engine valves |
| A13 | Engine cooling |
| A14 | Drive system control module |
| A15 | Heated oxygen sensors |
| A16 | Fuel pump |
| SB fuse panel (red) | |
| B1 | Ignition coils |
| B3 | 48 volt heater |
| B4 | Electric compressor |
| B5 | Engine suspension |
| B6 | Windshield washer system control module |
| B7 | Dashboard |
| B8 | Climate control fan |
| B9 | Driver assistance systems control module |
| B10 | Emergency call and communication control module |
| B11 | Engine start, electric clutch |
| B12 | Right headlight |
| SC fuse panel (black) | |
| C1 | Heated front seats |
| C2 | Janitors |
| 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 |
| Q10 | Windshield washer/headlight washer system 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 | Engine start, electric drive |
| D8 | Night vision assistant, active roll stabilization |
| D9 | Adaptive cruise control, 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 backseat entertainment |
| SE Fuse Panel (Red) | |
| E1 | Anti-theft alarm |
| E2 | Engine control module |
| E3 | Front seat electronics, lumbar support |
| E4 | Automatic transmission selector lever |
| E5 | Warning |
| 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 system pressure reservoir |
Additional protection elements can be installed next to the fuse block.
| № | A | Marking |
|---|---|---|
| A | 15 | Seat and steering column adjustment control unit with memory |
| B | 15 | Front passenger seat adjustment with memory control unit |
| C | 40 | ABS control unit |
| D | 40 | ABS control unit |
| AND | – | |
| F | 50 | Auxiliary hydraulic pump of the box |
A high-capacity fuse block can be installed next to the battery.
Block in the trunk
In the luggage compartment on the left side, under a protective cover, another block with fuses and relays is installed.
| № | Appointment |
|---|---|
| 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 | Adjusting the third row seats |
| A9 | Left tail light |
| Comfort system control unit, left rear light | |
| A10 | Driver’s side front seat belt tensioner |
| A11 | Central locking trunk lid, fuel filler flap, trunk lid |
| A12 | Trunk lid control module |
| Fuse panel B (red) | |
| B1 | Rear climate control fan |
| B2 | Aerophone |
| B3 | Exhaust treatment, sound actuator |
| B4 | Rear climate control panel |
| B5 | Right trailer hitch light |
| B6 | Trailer Hitch Positioning Motor |
| B7 | Releasing the trailer hitch |
| B8 | Left trailer light |
| B9 | Coupling socket |
| B10 | Allroad sports differential |
| B11 | Exhaust gas treatment |
| B12 | Driver’s side rear seat belt pretensioner |
| Fuse panel C (brown) | |
| C1 | Driver assistance systems control module |
| C2 | Audi telephone module |
| C3 | Front seat electronics, right lumbar support |
| Right lumbar support | |
| C4 | Side assistant |
| C5 | Preparing the entertainment system for rear passengers |
| C6 | Tire pressure monitoring system |
| C7 | External antenna |
| C8 | Autonomous heating radio receiver, tank module |
| Q10 | TV tuner, data exchange module and telematics control |
| C11 | Convenient access and launch authorization management module |
| C12 | Garage door opener |
| C13 | Rear view camera, peripheral cameras |
| C14 | Right rear light comfort system control unit |
| Q15 | Passenger side rear seat belt pretensioner |
| C16 | Front passenger side seat belt tensioner |
| Fuse panel D (red) | |
| D1 | Active roll stabilization |
| D2 | High-voltage battery |
| D3 | High-voltage battery coolant pump |
| D4 | Power electronics control module |
| D5 | Brake booster |
| D6 | Voltage converter |
| D7 | Starting the engine |
| D8 | Climate control compressor |
| D9 | Auxiliary battery control module |
| D10 | High-voltage battery |
| D11 | Charging system |
| D12 | Auxiliary heating and air conditioning radio receiver |
| 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 elements
| № | A | Description |
|---|---|---|
| A | 15 | Front passenger seat adjustment with memory control unit (right-hand drive) |
| B | – | |
| C | 30 | Rear window heating relay |
| D | 40 | Adaptive electronics of the suspension compressor |
| AND | – | |
| F | – |