Fuses in engine compartment
Fuses in the engine compartment protect engine and brake functions, amongst other things.
On the inside of the cover there are tweezers that facilitate the procedure for the removal and fitting of fuses.
The fuse box also provides space for several spare fuses.
Positions
On the inside of the cover is a label that shows the location of the fuses.
- Fuses 1-30, 46-50 and 54-56 are of the "Micro" type.
- Fuses 31-45, 51-53 are of the "MCase" type and should be replaced by a workshop1.
| Function | A2 | |
|---|---|---|
 | USB port, tunnel console, rear* | 5 |
 | 12 V socket in tunnel console, front | 15 |
 | – | – |
 | 12 V socket in cargo area* | 15 |
 | Engine Control Module (ECM) | 20 |
 | Ignition coils; Spark plugs | 15 |
 | Solenoids (petrol); Valve; Thermostat for engine cooling system (petrol); EGR cooling pump (diesel); Glow control module (diesel) Engine Control Module (ECM) | 15 |
 | Solenoids (petrol); Valve; Thermostat for engine cooling system (petrol); Cooling pump for EGR (diesel); Glow control module (diesel); Vacuum regulators; Valve; Valve for output pulse (diesel) | 10 |
 | Lambda probe, centre (petrol); Lambda probe, rear (diesel) | 15 |
 | Sensor for nitrous oxides (diesel) | 15 |
 | – | – |
 | Right-hand headlamp | 20 |
 | Left-hand headlamp | 20 |
 | Airbags | 5 |
 | Accelerator pedal sensor | 5 |
 | Supplied when the ignition is switched on: Engine control module; Transmission components; Electric steering servo; Central electronic module; Control module for brake system | 5 |
 | Electric additional heater*; OBD II firewall | 5 |
 | Alcohol lock | 5 |
 | – | – |
 | Internal relay coils | 5 |
 | – | – |
 | Sensor for brake pedal Brake pedal | 5 |
 | – | – |
 | Control module for actuator for engagement/change of automatic gearbox gear positions | 5 |
 | Transmission control module | 15 |
 | Engine Control Module (ECM) | 5 |
 | – | – |
 | – | – |
 | Horn | 20 |
 | Siren* | 5 |
 | Windscreen wipers | 30 |
 | Control module for brake system (valves, parking brake) | 40 |
 | Control unit for brake system (ABS pump) | 40 |
 | – | – |
 | Actuator for transmission | 25 |
 | – | – |
 | Right-hand headlamp; Left-hand headlamp | 30 |
 | – | – |
 | – | – |
 | Towbar control module* | 25 |
 | Towbar control module* | 40 |
 | – | – |
 | Power driver seat* | 20 |
 | – | – |
 | – | – |
 | – | – |
 | – | – |
| – | – | |
 | – | – |
 | – | – |
 | Fuel filter heater (diesel) | 30 |
 | Heated windscreen*, left | 40 |
 | Heated windscreen*, right | 40 |
 | Control function for support battery | 5 |
 | Left-hand headlamp | 20 |
 | Right-hand headlamp | 20 |