| fuse | - | ABS control unit [only for vehicles with a 2.5 cross-section][since May 2017] |
| fuse | - | ABS control unit [only for vehicles with a 4.0 cross-section][until April 2017] |
| fuse | - | Fuel pump control unit [for models with diesel engines only] |
| fuse | - | Fuel pump control unit [for models with petrol engines only] |
| fuse | - | Auxiliary air heater heating element |
| fuse | - | Auxiliary air heater heating element |
| fuse | - | Mechatronic unit DSG gearbox [until June 2018] |
| fuse | - | Mechatronic unit DSG gearbox, Automatic transmission control unit [until June 2018] |
| fuse | - | Ignition coil 1, 2, 3, 4 & 5 with output stage [only for RS3, engine letter designation DAZA] |
| fuse | - | Horn relay |
| fuse | - | Engine component current supply relay. Supply for the ignition coils: [for models with engine code CJSA only] |
| fuse | - | [only for RS3]: Engine electronics power supply relay, Power supply relay 2 engine electronic components [only engine letter designation DAZA], Fuse 14 in fuse box B, Fuse 31 in fuse box B |
| fuse | - | Main relay. Terminal 30 voltage supply relay. Engine control unit. ABS control unit |
| fuse | - | [until June 2018]: Battery monitor control unit [for models with battery monitor control unit only] / Data bus diagnostic interface [for models without battery monitor control unit only] |
| fuse | - | [since July 2018]: Battery monitor control unit [for models with battery monitor control unit only] / Data bus diagnostic interface [for models without battery monitor control unit only] |
| fuse | - | Wiper motor control unit |
| fuse | - | ABS control unit |
| fuse | - | Alarm horn |
| fuse | - | Alarm siren |
| fuse | - | [since July 2018]: Automatic transmission control unit |
| fuse | - | [since July 2018]: Mechatronic unit DSG gearbox |
| fuse | - | Engine control unit [since July 2018] |
| fuse | - | Engine control unit [until June 2018] |
| fuse | - | Starter |
| fuse | - | Auxiliary air heater heating element |
| fuse | - | Engine control unit [for models with petrol engines only] |
| fuse | - | Engine control unit [for models with diesel engines only] |
| fuse | - | Fuel metering valve [only for RS3, engine letter designation DAZA] |
| fuse | - | [until April 2016]: Right headlight power module / Left headlight power module |
| fuse | - | Brake system receiver / Additional pump 1 for gearbox oil |
| fuse | - | |
| fuse | - | |
| fuse | - | |
| fuse | - | Auxiliary heater control unit |
| fuse | - | |
| fuse | - | Oil level and oil temperature sender. Radiator fan control unit. Low heat output relay. High heat output relay. Charge pressure control solenoid valve. for models with engine code CRBA only |
| fuse | - | Oil level and oil temperature sender. Radiator fan control unit. Low heat output relay. High heat output relay. Activated charcoal filter system solenoid valve 1. Camshaft control valve 1. Oil pressure control valve. for models with engine code CMBA only |
| fuse | - | Oil level and oil temperature sender. Radiator fan control unit. Air mass meter. Turbocharger air recirculation valve. Intake manifold flap valve. Oil pressure control valve. Control valve for piston cooling nozzles. for models with engine code CJSA only |
| fuse | - | Engine electronics power supply relay [only for vehicles with a 1.8 L or 2.0 L engine] / Injector 2 cylinder 1, 2, 3 & 4 [only for vehicles with a 1.8 L or 2.0 L engine] / actuator 1, 2, 3, 4, 5, 6, 7 & 8 of the variable valve timing system [only for vehicles with a 1.8 L or 2.0 L engine] / Fuel pressure regulator [only for vehicles with a diesel engine] / Fuel metering valve [only for vehicles with a diesel engine] / Valve 1 of the intake valve timing control [only for vehicles with a diesel engine] / Transmission coolant valve [only for vehicles with hybrid drive] / High-temperature coolant pump [only for vehicles with hybrid drive] / Coolant circulation pump 2 [only for vehicles with hybrid drive] |
| fuse | - | [only for vehicles with a 1.4 L engine][only for vehicles with natural gas engines]: Gas shut-off valve relay / Gas supply valve 1, 2, 3 & 4 |
| fuse | - | [only for RS3]: Oil pressure regulating valve // [only for RS3, engine letter designation DAZA]: Solenoid valve 1 of the adsorber / Crankcase ventilation valve / Intake manifold flap valve / Boost pressure limitation solenoid valve / Turbocharger bypass valve / Oil level and temperature sensor / Exhaust valve unit / Exhaust gas valve unit 2 |
| fuse | - | [until June 2018]: Brake light switch. Brake pedal switch |
| fuse | - | [since July 2018]: Brake light switch. Brake pedal switch |
| fuse | - | Coolant sh off valve. for models with engine code CJSA only |
| fuse | - | Oil pressure control valve. Coolant valve for cylinder head. Charge air cooling pump. Auxiliary heating pump. for models with engine code CRBA only |
| fuse | - | Fuel pressure regulating valve. Coolant circulation pump. for models with engine code CMBA only |
| fuse | - | Lambda probe heater. Lambda probe 1 heater after catalytic converter. for models with engine code CJSA only |
| fuse | - | Lambda probe heater. Lambda probe 1 heater after catalytic converter. for models with engine code CMBA only |
| fuse | - | Lambda probe heater. for models with engine code CRBA only |
| fuse | - | Exhaust gas flap control unit. Activated charcoal filter system solenoid valve 1. Camshaft control valve 1. Exhaust camshaft control valve 1. Continued coolant circulation pump. for models with engine code CJSA only |
| fuse | - | Ignition coil 1 with output stage. Ignition coil 2 with power output stage. Ignition coil 3 with power output stage. Ignition coil 4 with power output stage. for models with engine code CMBA only |
| fuse | - | Automatic glow period control unit. for models with engine code CRBA only |
| relay | - | Automatic glow period control unit |
| relay | - | |
| relay | - | Low heat output relay |
| relay | - | |
| relay | - | Starter relay 2 |
| relay | - | Starter relay 1 |
| relay | - | Horn relay |
| relay | - | High heat output relay |
| relay | - | Terminal 30 voltage supply relay [diesel engines only] |
| relay | - | Main relay [petrol engines only] |
| relay | - | Engine component current supply relay |
| svg | - | |
| svg | - | |
| svg | - | |
| battery-terminal | - | |
| battery-terminal | - | |
| battery-terminal | - | |
| battery-terminal | - | |
| battery-terminal | - | |
| battery-terminal | - | |