Table of Contents
The Audi A5 is a sports coupe (built on the Audi A4 platform) produced by the German automaker at its Ingolstadt plant since 2007. This guide provides detailed fuse and relay box diagrams for the first-generation Audi A5 (8T) covering model years 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016.
Below you will find power distribution panel locations, photos, and wiring schematics. Fuses protecting key circuits such as the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold text.
In the Engine Compartment
The power distribution box is located on the right side of the engine bay (plenum chamber) beneath a protective plastic cover.
| Assignment of Fuses and Relays in the Engine Compartment | ||
|---|---|---|
|
||
| No. | Description | Rating (A) |
| F1 | Transmission Control Module (TCM) | 15 |
| F2 | Engine Oil Level and Temperature Sensor | 5/10 |
| F3 | Reserved | 5 |
| F4 | Engine Control Module (ECM) | 5 |
| F5 | Engine Control Components | 10/15/20 |
| F6 | Engine Control Module (ECM) | 15 |
| F7 | Engine Management System | 10/50 |
| F8 | Engine Management System | 5/10/15/20/30 |
| F9 | Engine Management System | 5/15/25 |
| F10 | Engine Management System | 10/15 |
| F11 | Reserved | 5 |
| F12 | Reserved | 5 |
| F13 | Reserved | 15/50 |
| F14 | Diesel models: Glow plug system | 60/80 |
| 1 | Diesel models: Glow plug control unit relay | |
| 2 | Starter relay | |
| 3 | Not used | |
| 4 | Diesel models: Main engine control relay | |
| 5 | Not used | |
| 6 | Not used | |
In the Passenger Compartment
Driver's Side
The primary interior panel is located at the outer end of the instrument panel on the driver's side, concealed by a removable plastic trim cover.
Driver's side fuse panel layout (cover removed for clarity).
| Diagram | ||
|---|---|---|
|
||
| No. | Rating (A) | Description |
| Panel A | ||
| 1 | 5 | Dynamic Steering control unit |
| 2 | 5 | Electronic Stability Control (ESC) module |
| 3 | 5 | A/C pressure sensor, electromechanical parking brake, HomeLink®, auto-dimming rearview mirror, air quality sensor, ESC switch |
| 4 | — | — |
| 5 | 5 | Sound actuator (Audi drive select) |
| 6 | 5 / 7.5 | Headlight range control / Cornering light control module |
| 7 | 7.5 | Adaptive headlights / Cornering lights |
| 8 | 5 | Control modules (electromechanical parking brake, adaptive damping, quattro sport differential), DC/DC converter |
| 9 | 5 | Adaptive Cruise Control (ACC) |
| 10 | 5 | Clutch pedal switch / Selector lever switch |
| 11 | 5 | Audi side assist (lane change assist) |
| 12 | 5 | Headlight range control module, Audi parking system |
| 13 | 5 | Airbag control module |
| 14 | 15 | Rear window wiper (Avant / Allroad) |
| 15 | 10 | Instrument panel auxiliary fuse |
| 16 | 40 | Terminal 15 auxiliary fuse (engine compartment) |
| Panel B | ||
| 1 | — | — |
| 2 | 5 | Brake light switch |
| 3 | 25 | Fuel pump control module (fuel pump fuse) |
| 4 | 5 | Clutch position sensor |
| 5 | 15/30 | Left front seat heating / ventilation |
| 6 | 5 | Electronic Stability Control (ESC) electronics |
| 7 | 15 | Dual-tone horn |
| 8 | 30 | Driver door control module (power window, central locking, power mirror, switches, entry lighting) |
| 9 | 30 | Windshield wiper motor |
| 10 | 25 | Electronic Stability Control (ESC) hydraulic valves |
| 11 | 30 | Coupe/Cabriolet: Left rear power window; Sportback: Left rear door control module (power window, central locking, switches, lighting) |
| 12 | 5 | Rain and light sensor |
| Panel C | ||
| 1 | — | — |
| 2 | — | — |
| 3 | 10 | Power lumbar support adjustment |
| 4 | 35 | Dynamic Steering system |
| 5 | 5 | Interior lighting (Cabriolet) |
| 6 | 35 | Windshield washer pump, headlight washer system |
| 7 | 20 | Vehicle electrical system control module 1 (BCM1) |
| 8 | 30 | Vehicle electrical system control module 1 (BCM1) |
| 9 | 7.5 / 20 | Left power window motor (Cabriolet) / Panoramic sunroof |
| 10 | 30 | Vehicle electrical system control module 1 (BCM1) |
| 11 | 7.5 / 20 | Right rear power window / Sunshade motor (Cabriolet) |
| 12 | 5 | Anti-theft alarm system sensor / siren |
Passenger's Side
The secondary interior fuse panel is located at the right end of the instrument panel on the passenger side.
Passenger side fuse panel access view.
| Diagram | ||
|---|---|---|
Passenger side panel layout. |
||
| No. | Rating (A) | Circuit / Protected Component |
| Panel A | ||
| 1 | — | — |
| 2 | — | — |
| 3 | — | — |
| 4 | — | — |
| 5 | 5 | Steering column switch electronics module |
| 6 | — | — |
| 7 | 5 | OBD-II diagnostic connector (Terminal 15) |
| 8 | 5 | Data bus diagnostic interface (Gateway) |
| 9 | 5 | Auxiliary heater system |
| 10 | — | — |
| 11 | — | — |
| 12 | — | — |
| Panel B | ||
| 1 | 5 | CD/DVD changer / player unit |
| 2 | 5 | Wi-Fi / Cellular module |
| 3 | 5/20 | MMI display unit / Radio control unit |
| 4 | 5 | Instrument cluster module |
| 5 | 5 | Instrument cluster diagnostic interface |
| 6 | 5 | Ignition switch module |
| 7 | 5 | Center console switch panel |
| 8 | 40 | Fresh air blower / Climate control fan |
| 9 | 5 | Electronic steering column lock module |
| 10 | 10 | Climatronic A/C control unit |
| 11 | 10 | OBD-II diagnostic connector (Terminal 30) |
| 12 | 5 | Steering column switch electronics module |
In the Luggage Compartment
The rear power distribution panel is located behind the right-hand side trim panel in the luggage compartment.
Luggage compartment panel location view.
| Assignment of Fuses in the Luggage Compartment | ||
|---|---|---|
|
||
| No. | Circuit / Protected Component | Rating (A) |
| F1 | Not used | — |
| F2 | Not used | — |
| F3 | Not used | — |
| F4 | Not used | — |
| F5 | Not used | — |
| F6 | Not used | — |
| F7 | Not used | — |
| F8 | Not used | — |
| F9 | Not used | — |
| F10 | Not used | — |
| F11 | Not used | — |
| F12 | Not used | — |
| F13 | Up to 2009: Tire Pressure Monitoring System (TPMS) control module | 5 |
| F14 | Reserved | 10 |
| F15 | Trailer towing control module | 20 |
| F16 | 20 | |
| F17 | Electromechanical parking brake switch | 5 |
| F18 | Adaptive suspension control module | 15 |
| F19 | Electromechanical parking brake control module | 30 |
| F20 | Reserved | 30 |
| F21 | All-wheel drive (quattro) control module | 35 |
| F22 | Reserved | 30 |
| F23 | Reserved | 20 |
| F24 | Reserved | 5 |
| F25 | Up to 2009: Voltage converter | 15/30 |
| F26 | Not used | - |
| F27 | Sound system amplifier | 7.5/40 |
| F28 | Reserved | 30/40 |
| F29 | Reserved | 5/30 |
| F30 | Auxiliary heater control module | 30 |
| F31 | Electromechanical parking brake control module | 30 |
| F32 | Rear seat heating control module | 30 |
| F33 | Rear door function control modules | 30 |
| F34 | Auxiliary heater remote control receiver | 5 |
| F35 | Door control modules | 15 |
| F36 | Up to 2009: Rearview camera control module | 5 |
| F37 | 12V accessory power sockets | 15 |
| F38 | 15 | |
| F39 | 15 | |
| F40 | Cigarette lighter fuse | 15 |
| F41 | Up to 2009: Parking system control module (Parktronic) | 5 |
| F42 | Reserved | 5 |
| F43 | Reserved | 5/7.5 |
| F44 | Not used | |
| F45 | Electromechanical parking brake system | 5 |
| F46 | Reserved | 5 |
| F47 | Rear seat heating elements | 5 |
| F48 | Reserved | 5 |
| F49 | Not used | - |
| F50 | Not used | - |
| F51 | Up to 2009: Not used | - |
| F52 | Up to 2009: Not used | - |
| F53 | Up to 2009: Not used | - |
| F54 | Up to 2009: Not used | - |
| F55 | Up to 2009: Not used | - |
| F56 | Not used | - |
| F57 | Not used | - |
| F58 | Not used | - |
| F59 | Not used | - |
| F60 | Not used | - |
| F61 | Heated rear window (defogger) | 40 |
| 1 | Not used | - |
| 2 | Audio system relay | - |
| 3 | Rear window defogger relay | - |
| 4 | Terminal 15 main ignition relay | - |
| 5 | 12V accessory power socket relay | - |