
Audi TT 2016 Fuse Box Info
Passenger compartment fuse box location:

The fuse box is located underneath the instrument panel, to the left of the steering column.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions | 
| 1 | Power top control module (Roadster) | 
| 2 | Power top control module (Roadster) | 
| 3 | ESC control module | 
| 4 | Central computer processor (MIB-2) | 
| 5 | Gateway (diagnostics) | 
| 6 | Anti-theft alarm system | 
| 7 | Climate control system, selector lever (automatic transmission), parking heater, rear window heater relay coil | 
| 8 | Diagnosis, electrical parking brake switch, light switch, rain/light sensor, interior lighting | 
| 9 | Steering column switch module | 
| 10 | Display | 
| 11 | Haldex clutch | 
| 12 | MMI area | 
| 13 | Adaptive dampers control module | 
| 14 | Climate control system blower | 
| 15 | Electronic steering column lock | 
| 16 | MMI components, safety belt microphone (Roadster) | 
| 17 | Instrument cluster | 
| 18 | Rearview camera | 
| 19 | Convenience key system control module | 
| 20 | Power lumbar support adjustment | 
| 22 | Front passenger's side upper cabin heating (Roadster) | 
| 23 | Right exterior lighting, on-board computer (right) | 
| 25 | Door/driver's side doors (for example power windows) | 
| 26 | Seat heating | 
| 28 | AMI High media port | 
| 29 | On-board computer | 
| 31 | Left on-board computer | 
| 32 | Driver assistance systems | 
| 33 | Airbag | 
| 34 | Socket relay, interior sound, back-up light switch, temperature sensor, oil level sensor | 
| 35 | Diagnosis, headlight range control system, air quality sensor, automatic dimming rearview mirror | 
| 36 | Right cornering light / right LED-headlight | 
| 37 | Left cornering light / left LED-headlight | 
| 38 | Engine control module, ESC control module | 
| 39 | Door/front passenger's side doors (for example, power windows) | 
| 40 | Cigarette lighter, sockets | 
| 41 | SCR relay and delivery unit | 
| 42 | Central locking area | 
| 43 | On-board computer | 
| 45 | Power adjustable driver's side seat | 
| 46 | Driver's side upper cabin heating (Roadster) | 
| 49 | Starter, clutch sensor | 
| 50 | ESC valves | 
| 53 | Rear window defogger | 
Engine compartment fuse box:
| Fuse/Relay N° | Functions | 
| 1 | ESC control module | 
| 2 | ESC control module | 
| 3 | Engine control module | 
| 4 | Engine cooling, engine components, auxiliary heater coil relay (1+2), secondary air injection pump relay | 
| 5 | Engine components, tank system | 
| 6 | Brake light sensor | 
| 7 | Engine components | 
| 8 | Oxygen sensor | 
| 9 | Engine components, exhaust door, glow time control module | 
| 10 | Fuel injectors, fuel control module | 
| 11 | Auxiliary heater heating element 2 | 
| 12 | Auxiliary heater heating element 3 | 
| 13 | Automatic transmission control module | 
| 15 | Horn | 
| 16 | Ignition coil | 
| 17 | ESC control module, engine control module | 
| 18 | Terminal 30 (reference voltage) | 
| 19 | Windshield wipers | 
| 20 | Horn | 
| 22 | Terminal 50 diagnosis | 
| 23 | Starter | 
| 24 | Auxiliary heater heating element 1 | 
| 32 | LED headlights | 





