Peugeot 308 – fuse and relay

The first generation of the Peugeot 308 was produced in 2007, 2008, 2009, 2010, 2011 and 2012. After restyling, the second generation was produced in 2013, 2014, 2015, 2016, 2017, 2018, 2019. The most common body styles are: hatchback, sedan, SW wagon, CC – coupe. In this publication, we will show where the fuse and relay boxes are located in the Peugeot 308 with their diagrams and note the cigarette lighter fuse.

Peugeot 308 photo

Location

Diagram

peugeot 308 location of all blocks and relays

Description of elements

  1. ABS electronic control unit
  2. Accumulator battery
  3. Glove box drive relay with central locking system
  4. Folding Roof Control Unit – Behind Right Rear Trim Panel
  5. Diagnostic connector (DLC)
  6. Daytime lighting relay
  7. Driver’s door control unit
  8. Rear left door electrical control unit
  9. Passenger door electrical control unit
  10. Rear right door electrical control unit
  11. ESP control unit (vehicle stability control)
  12. Engine control relay
  13. Electronic engine control module (ECM)
  14. Cooling fan motor control unit
  15. Fuse / relay box, engine compartment 1
  16. Fuse / relay box, engine compartment 2
  17. Fuse / relay box, engine compartment 3
  18. Fuse / relay box, engine compartment 4
  19. Fuse / relay box, instrument cluster 1
  20. Fuse / relay box, instrument panel 2
  21. Sound signal
  22. Lane tracking control unit
  23. Multifunction control unit 1- in the fuse / relay box under the dash 1
  24. Multifunction control unit 2- integrated in engine fuse / relay box 1
  25. Multifunction control unit 3- in the fuse / relay box under the dash 1
  26. Parking Assist Control Unit – Behind Left Rear Trim Panel
  27. Driver’s seat heating control unit
  28. Heated passenger seat control unit
  29. Steering column electronics control unit
  30. SRS electronic control unit
  31. Electronic Transmission Control Module (TCM) – Transmission ASM

Engine compartment

There are 2 fuse boxes in the engine compartment. One on the battery, the second next to it. For more details, see the video.

Main fuse box

Diagram

peugeot 308 block diagram under the hood

Designation (for 1st generation)

F10 – 30AGasoline engine electronic control system components: ignition coils, solenoid valves, oxygen concentration sensors, injectors, heating system elements, fuel pump, electronic thermostat; diesel engine: solenoid valves, heating system elements
F20 – 10АElectronic thermostat, fuel control solenoid valves, turbocharger pressure control solenoid valve (diesel engine), coolant level sensor (diesel engine)
F19 – 15AOil vapor heater (1.4 l 16V and 1.6 l VTi 16V), adsorber solenoid valve (1.4 l 16V and 1.6 l VTi 16V), oxygen concentration sensors (gasoline engine), air cooling solenoid valves ( diesel engine)
F18 – 15ARight headlight (low beam)
F17 – 15ALeft headlight (low beam)
F16 – 10ALeft headlight (high beam)
F15 – 10ARight headlight (high beam)
F4 – 20Aheadlight washer
F2 – 15ASound signal
F10 – 10АDiagnostic connector, directional distribution headlights, air flow sensor (diesel engine), diesel particulate filter additive pump (diesel engine)
F21 – 10AVehicle speed sensor circuit, ABS / ESP ECU
F7 – 5АPower supply for the engine cooling fan relay, Valvetronic relay switch (1.4 l 16V and 1.6 l VTi 16V), turbocharger cooling (1.6 l THP 16V), air flow sensor (1.6 l HDI 16V)
F12 – 10АPower steering ECU, automatic transmission, coolant level sensor
F8 – 30АLow / high speed of the windshield wiper
F14 – 25AStarter switch
F3 – 30АTurbocharging pressure solenoid valve
F13 – 10АPeugeot 308 front and rear window washer fuse
F11 – 40APower supply of the intelligent switching unit (“+” from the ignition lock)
F1 – 40AAir conditioning fan
F5 – 20APower supply for the engine ECU, solenoid valves for unit injectors and EGR (on a 2.0 l HDI 16V engine), injectors (on a 2.0 l HDI 16V engine)
F6 – 15ACanister solenoid valves, electric pressure reducing valve for turbocharging (1.6L THP 16V engine), oil vapor heater (1.6L THP 16V), diesel heater (1.6L HDI 16V)

 

Designation (for 2nd generation)

  • F1 Power supply for the engine ECU, pump-injector solenoid valves and EGR system (on a 2L HDI 16V engine), injectors (on a 2L HDI 16V engine) – 20 A
  • F2 Sound signal – 15 A
  • F3 Windshield washer – 10 A
  • F4 Headlight washer – 20 A
  • F5 Solenoid valves of the adsorber, electric pressure reducing valve of the turbocharging system, heater of oil vapors, heater of diesel fuel (on 1.6 liter HDI 16V engine) – 15 A
  • F6 Vehicle speed sensor circuit, ABS / ESP ECU – 10 A
  • F7 ECU power steering, automatic transmission, coolant level sensor – 10A
  • F8 Starter switch – 25 A
  • F9 Diagnostic connector, adaptive headlights, air flow sensor (on diesel), pump for supplying an additive to the particulate filter (on diesel), external mirror drives – 10 A
  • F10 Components of the electronic engine control system (on gasoline: ignition coils, solenoid valves, oxygen sensors, injectors, heating system elements, fuel pump, electronic thermostat; on diesel: solenoid valves, heating system elements) – 30 A
  • F11 Air conditioning fan – 40 A
  • F12 Low / high speed of the windshield wiper – 30 A
  • F13 Power supply of the intelligent switching unit (“+” from the ignition lock) – 40 A
  • F14 Peugeot 308/308 SW Turbocharging pressure solenoid valve – 30 A (Peugeot 308 CC Not used)
  • F15 Right high beam headlamp – 10 A
  • F16 Left high beam headlamp – 10 A
  • F17 Left high beam headlamp – 15 A
  • F18 Right high beam headlamp – 15 A
  • F19 Oil vapor heater (1.6 l VTI 16V), adsorber unloading solenoid valve (1.6 l VTI 16V), oxygen sensors (on gasoline engines), air cooling system solenoid valves (diesel) -15 A
  • F20 Electronic thermostat, fuel control solenoid valves, turbocharger pressure control solenoid valve (diesel), coolant level sensor (diesel) – 10 A
  • F21 Power supply for the engine cooling fan relay, Valvetronic relay control (1.6 l 16V), turbocharger cooling (1.6 l TFIP 16V), air flow sensor (1.6 l FIDI 16V) – 5 A

Battery cover box

1st generation

Diagram

peugeot 308 diagram under the hood 1

Assignment

F1 – 15ATransmission (sequential or automatic)
F2 – 15ADiagnostic connector, daytime running lights
F3 – 5АDual Function Brake Contactor
F4Reserve
F10 – 80АPower steering electric pump
F9 – 70АHeating ECU (diesel engine)
F8 – 100АSwitch unit and protection systems
F7Reserve
F6 – 30ASequential gearbox electric pump
F5Valvetronic motor (1.6L THP 16V)

2nd generation

Diagram

Fuse diagram

Appointment

F1 – Not used.
F2 – 5 A Dual function brake contactor.
F3 – 5 A Battery charging circuit processor.
F4 – 25 A ABS / ESP solenoid valves.
F5 – Not used.
F6 – 15 A Transmission (manual or automatic)

Maxi fuses

MF1 *Not used
MF2*30A Trailer switching unit
MF3 *50A Passenger compartment fuse box
MF4*80A Intelligent switching unit
MF5*80A Intelligent switching unit
MF6 *Not used
MF7 *30A Heated seats
MF8 *20A Headlight washer

Passenger compartment

This fuse box is located under the dash (left side).

Type 1 (1st generation)

Diagram

Peugeot-308 fuse location

Designation

F1115Small current circuit of the ignition switch
F630Rear power windows
F1530Locking and super locking
F530Front power windows, power supply, folding rearview mirror drives, panoramic roof curtain
F1015| Steering Column Switches, Burglar Alarm Siren, Burglar Alarm ECU
F820Audio system, cordless telephone, CD changer, multifunction display, tire pressure monitoring system
F75Front and rear lamps, individual lamps, rear spot lamps, sun visor mirror lighting, glove compartment lighting, portable lamp
F1415Multifunction display, amplifier, Hands free device, rain / light sensor, parking warning ECU (parking sensors), trailer switching unit, warning system for unintentional crossing of the road marking line
F930Front 12V socket, cigarette lighter fuse
F1215Instrument panel, front passenger seat belt and airbag warning lamp panel, air conditioning, driver seat memory unit, switches in the 2nd row seat area, training vehicle module
F135ECM, airbags, selector lever for sequential automatic transmission
F35ECU for airbags and pyrotechnic pretensioners
F410Clutch pedal contactor and dual-function brake contactor, interior light-sensitive rearview mirror, air conditioning, steering wheel position sensor, automatic transmission, safety switch
F115Rear window wiper
F1740Heated rear window and exterior mirrors
SHPARC shunt

The fuse number 9, 30A, is responsible for the cigarette lighter.

The following elements are placed separately:

G36 – 30 A Heated driver and passenger seats.
G37 – 5 A Memory unit for driver’s seat settings, backlight control.
G38 – 30 A Driver’s seat memory unit.
G39 – 30 A Power supply circuit for the trailer switching unit.
G40 – 30 A Hi-Fi amplifier.

Type 2 (2nd generation)

Diagram

peugeot 308 block diagram in the cabin option 2

Protected components

  • F1 15 A Rear window wiper.
  • F2 30 A Weight of the locking system and superblocking.
  • F3 5 A ECU for airbags and pyron tensioners.
  • F4 10 A Clutch pedal contactor and dual-function brake contactor, interior light-sensitive rearview mirror, air conditioning, steering wheel position sensor, automatic transmission, switch box and protection systems.
  • F5 30 A Front impulse windows, power supply for folding rear-view mirrors, panoramic sunroof blind.
  • F6 30 A Rear impulse windows, trailer junction box.
  • F7 5 A Front and rear lamps, individual lamps, rear spot lamps, sun
    visor mirror illumination, glove box illumination, portable lamp.
  • F8 20 A Car radio, radiotelephone, CD changer, multifunction display, tire pressure monitoring.
  • F9 30 A Front 12V socket.
  • F10 15 A Steering column switches, siren, alarm ECU.
  • F11 15 A Circuit of a weak current of the ignition switch.
  • F12 15 A Instrument cluster, front passenger seat belt and airbag warning panel, air conditioning, driver’s seat memory unit, switches in the 2nd row seat area, training vehicle module.
  • F13 5 A Electronic engine management system, airbags, selector lever for sequential automatic transmission, trailer switching unit.
  • F14 15 A Multifunction display, amplifier, hands-free headset, rain / light sensor, parking assist ECU.
  • F15 30 A Locking and super locking system.
  • F17 40 A Heated rear window and exterior mirrors.
  • SH – Shunt PARC.

The fuse number 9 at 30A is responsible for the cigarette lighter in the Peugeot 308.

The following fuses are located on a separate element:

Additional block element

G36 30 A Heated driver and passenger seats.
G37 5 A Memory unit for driver’s seat settings,
backlight control .
G38 30 A Driver’s seat memory unit.
G39 30 A Power supply circuit for the trailer switching unit.
G40 30 A Hi-Fi amplifier.

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