The Peugeot 408 family sedan was presented at the international automobile exhibition back in 2010. This car was also produced in 2013, 2014, 2015, 2016, 2017, 2018. We provide a description of the Peugeot 408 fuse blocks with their diagrams, and also note the fuse responsible for the cigarette lighter.

Blocks under the hood of a Peugeot 408
There are two fuse blocks in the engine compartment.

Main unit
In the figure, it is marked with the number 1 and is covered with a protective cover.


Description
- F1 – 20A Engine ECU power supply.
- F2 – 15A Audible signal.
- F3 – 10A Windscreen washer.
- F4 – 20A Headlight washer.
- F5 – 15A Adsorber unloading solenoid valves, fuel pump.
- F6 – 10A Vehicle speed sensor circuit, ABS/ESC system, automatic transmission processor.
- F7 – 10A Power steering processor, brake.
- F8 – 25A Starter switch.
- F9 – 10A Coolant level sensor, manual headlight control.
- F10 – 30A Components of the electronic engine control system (on gasoline: ignition coils, solenoid valves, oxygen sensors, injectors, heating system elements, fuel pump, electronic thermostat).
- F11 – 40A Air conditioning fan.
- F12 – 30A Low / high speed windshield wiper.
- F13 – 40A Power supply for the intelligent switching unit (ignition switch).
- F15 – 10A Right high beam headlight.
- F16 – 10A Left high beam headlight.
- F17 – 15A Left dipped beam headlight.
- F18 – 15A Right dipped beam headlight.
- F19 – 15A Ignition coil.
- F21 – 5A Engine cooling fan relay power supply.
Fuses on the battery cover
The fuse and fuse block is located on the battery terminal.

Purpose: option 1
| 1 | 30A Valvetronic system electric motor (1.6L THR 16V) |
| 2 | 30A Sequential gearbox electric pump |
| 3 | 50A Reserve |
| 4 | 100A Switch and Protection System Unit |
| 5 | 70A heating system ECU (diesel engine) |
| 6 | 80A Power steering pump |
| 7 | 15A Transmission (sequential or automatic) |
| 8 | 15A Diagnostic connector, daytime running lights |
| 9 | 5A Dual-function brake system contactor |
| 10 | Reserve |
Depending on the configuration, sales region and year of manufacture, its performance may vary.

Purpose: option 1
F1 15 A Automatic transmission.
F2 15 A Diagnostic connector.
F3 5 A Brake light contact.
F4 5 A Heated jets.
Fuses in the passenger compartment
The unit is located on the left side under the dashboard.



Marking
- F2 30 A Locking/unlocking system.
- F3 5 A Airbag and pretensioner processor, exterior mirrors.
- F4 10 A Clutch pedal contactor and two-function brake system contactor, air conditioning, steering wheel position sensor, automatic transmission, ESC system.
- F5 30 A Front power windows.
- F6 30 A Rear windows.
- F7 5 A Front and rear lights, individual lighting lights, rear spot lights, mirror illumination on sun visors, glove box illumination.
- F8 20 A Car radio, multifunction display, installed system for aftermarket security alarm installation.
- F9 30 A 12 V socket front, installed system for aftermarket car radio installation.
- F10 15 A Automatic transmission, STOP contactor.
- F11 15 A Low current circuit of the ignition switch.
- F13 5 A Electronic engine control unit.
- F14 15 A Instrument panel, airbags, climate control, multifunction display.
- F15 30 A Locking/unlocking system.
- F17 40 A Heated rear window and exterior mirrors.