Peugeot 308 engine and electrics

Check wiring / power to glow plugs , fuses . May be a faulty wiper, lighting stalk / switch assembly

Peugeot 308 mk1 (2007 – 2012) – fuse box diagram
Year of production: 2007, 2008, 2009, 2010, 2011, 2012

Fuse box in dashboard
The fuse box is placed in the lower section of the fascia (left-hand side).

Peugeot 308 - fuse box - dashboard
Peugeot 308 mk1 – fuse box – dashboard
Fuse Ampere rating [A] Functions
G36 — Not used
G37 5 Trailer fuse box
G38 30 Driver’s seat memory unit
G39 30 Trailer fuse box supply
G40 30 Hi-Fi amplifier


Fuse Ampere rating [A] Functions
1 15 Rear wiper
2 — Not used
3 5 Air bags and pretensioners control unit
4 10 Clutch pedal and dual-function brake switches, electrochromatic interior mirror, air conditioning, steering wheel angle sensor, automatic gearbox, switching and protection unit
5 30 Front one-touch electric windows, folding mirrors supply, glass panoramic roof shutter
6 30 Rear one-touch electric windows
7 5 Front and rear courtesy lights, map reading lights, rear reading lights, sun visor lighting, glove box lighting
8 20 Audio equipment, audio/telephone, CD changer, multifunction display, tyre under-inflation detection
9 30 Front 12 V socket, lighter
10 15 Steering wheel controls, alarm siren, alarm control unit
11 15 Low current ignition switch
12 15 Instrument panel, seat belt and passenger’s front air bag warning lights display, air conditioning, driver’s seat memory unit, driving school module
13 5 Engine fuse box, air bags, piloted manual gearbox gear lever
14 15 Multifunction display, amplifier, hands-free kit, rain/brightness sensor, parking assistance control unit, trailer fuse box, lane departure warning system
15 30 Locking and deadlocking
17 40 Rear screen and exterior mirrors de-icing
SH — PARC shunt
Engine compartment fuses
The fuse box is placed in the engine compartment near the battery (left-hand side).

Peugeot 308 - fuse box - engine compartment
Peugeot 308 mk1 – fuse box – engine compartment
Fuse Ampere rating [A] Functions
1 20 Engine control unit supply, injection pump and EGR solenoid valves (2 l HDI 16V), injectors (2 l HDI 16V)
2 15 Horn
3 10 Front/rear wash-wipe
4 20 Headlamp wash
5 15 Fuel pump (petrol), purge canister, turbine discharge and Turbo pressure regulation solenoid valves (1.6 l THP 16V), oil vapour heater (1.6 l THP 16V), diesel heater (1.6 l HDI 16V)
6 10 Vehicle speed sensor, ABS/ESP control unit
7 10 Power steering control unit, automatic gearbox, engine coolant level detector
8 25 Starter control
9 10 Diagnostic socket, directional headlamps, air flow sensor (Diesel), particle emission filter pump (Diesel)
10 30 Engine control unit actuators (petrol: ignition coils, solenoid valves, oxygen sensors, injectors, heaters, fuel pump, controlled thermostat) (Diesel: solenoid valves, heaters)
11 40 Air conditioning blower
12 30 Windscreen wipers slow/fast speed
13 40 Built-in systems interface supply (ignition positive)
14 30 Air pump
15 10 Right-hand main beam headlamp
16 10 Left-hand main beam headlamp
17 15 Left-hand dipped headlamp
18 15 Right-hand dipped headlamp
19 15 Oil vapour heater (1.4 l 16V and 1.6 l VTi 16V), purge canister solenoid valve (1.4 l 16V and 1.6 l VTi 16V), oxygen sensors (petrol), air cooling solenoid valves (Diesel)
20 10 Controlled thermostat, variable timing solenoid valves, Turbo pressure regulation solenoid valve (Diesel), engine coolant level detector (Diesel)
21 5 Fan assembly relay supply, Valvetronic relay control (1.4 l 16V and 1.6 l VTi 16V), Turbo cooling (1.6 l THP 16V), air flow sensor (1.6 l HDI 16V)
Table of mini and midi-fuses above the battery
Pegeot 308 - fuse box - above battery
Pegeot 308 mk1 – fuse box – above battery
Fuse Ampere rating [A] Functions
1 15 Gearbox (piloted manual or automatic)
2 15 Diagnostic socket, daytime lights
3 5 Dual-function brake switch
4 — Not used
5* 80 Power steering electropump assembly
6* 70 Heating unit (Diesel)
7* 100 Switching and protection unit
8 — Not used
9* 30 Piloted manual gearbox electropump assembly
10* 30 Valvetronic electric motor (1.6 l THP 16V)
* The maxi-fuses provide additional protection for the electrical systems.
Table of maxi-fuses
Fuse Ampere rating [A] Functions
MF1* 50 Fan assembly
MF2* 50 Passenger compartment fuse box
MF3* 80 Built-in systems interface
MF4* — Not used
MF5* 50 ABS/ESP control unit
MF6* 30 ABS/ESP control unit
MF7* 80 Built-in systems interface
MF8* — Not used
* The maxi-fuses provide additional protection for the electrical systems.