Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Peugeot,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Fuse box in passenger compartment (BH28)
| Fuse | Ampere rating [A] | Supply | Circuit protected |
| F1 | Shunt | Ignition + ve | Airbags and seat-belts pre-tensioning ECU, BSI |
| F2 | 5 | Air temperature sensor for passenger compartment, heater panel | |
| F3 | 10 | Instrument panel, brake lights switch, stop lamps, cruise controlsafety switch (brakes), cruise control override switch (clutch), cruise control switch | |
| F4 | 5 | BSI | |
| F5 | — | — | |
| F6 | 10 |
+battery ignition + ve |
Engine management control unit |
| F7 | 15 | Radio amplifier JBL, alarm siren | |
| F8 | 10 | Interior lights, boot light, multifunction display, navigation ECU, control unit for memorising seat and mirror positions, alarm LED | |
| F9 | 5 | BSI | |
| F10 | 15 | Radio | |
| F11 | 10 | Separate fuse | Left brake light, third brake light |
| F12 | 10 | Right brake light | |
| F13 | 20 | + battery | One touch window ECU (driver) |
| F14 | 30 | Rear window lift relay, one touch electric window control unit (front, passenger, coupe) | |
| F15 | 20 | Pre wired supply to towbar | |
| F16 | 20 | Control unit for memorising seat and mirror positions, electric driver’s seat | |
| F17 | 20 | Electric passenger’s seat | |
| F18 | 10 | Separate fuse | BSI. Illumination: switches, heater panel, display unit, automatic transmission selector |
| F19 | 10 | Rear fog lights and warning lights | |
| F20 | — | — | |
| F21 | — | — | |
| F22 | 10 | Acc + ve | Rain sensor, map reading lamp, courtesy lights, window switches (coupe), glove box light, vanity mirror, mirrors control board, electrocrome interior mirror, control unit for memorising seat and mirror positions |
| F23A | 20 | Acc + ve | Cigar lighter |
| F23B | 20 | + battery | Cigar lighter |
| F24A | — | Acc + ve | — |
| F24B | — | + battery | — |
| F25 | 20 | Acc + ve | Wiper stalk, headlamp wash relay, radio |
| F26 | — | — | |
| F27 | 5 | Built-in system interface (BSI), rear window lift relay, key lock (automatic gearbox) | |
| F28 | — | — |
Fuse box in BSI1 (Built-in-system)
| Fuse | Ampere rating [A] | Supply | Circuit protected |
| A | 20 | Battery + ve | Central locking, dead locking |
| B | 20 | Windscreen wiper | |
| C | 40 | Heated rear screen, heated mirrors | |
| D | 15 | Rear wiper | |
| E | 30 | Electric front windows, sun roof | |
| F | 15 | Supply to the multiplexed VAN network |
Fuse box in engine bay (BM 34)
| Fuse | Ampere rating [A] | Supply | Application |
| MF1 | 60 | + Battery | BSI |
| MF2 | 20/40/60 | Engine cooling system | |
| MF3 | 40/60 | Engine cooling system | |
| MF4 | 30 | Engine running relay, heated seats | |
| MF8 | 50 | Fuse box BH28 | |
| MF9 | 60 | BSI | |
| MF10 | 30 | Light switch supply, signaling | |
| MF11 | 50 | ABS control unit | |
| MF12 | 50 | Anty theft contact power supply | |
| MF13 | 50 | Anty theft contact power supply | |
| MF15 | ABS control unit | ||
| MF16 | — | — | |
| MF17 | — | — | |
| F5 | 15 | Horn | |
| F6 | 15 | BSI | |
| F7 | 10 | Termostats, fan relay | |
| F14 | 10 | Headlight wash timer, diagnostic socket | |
| F18 | — | Separate fuse | — |
| F19 | — | — | |
| F20 | 15 | Ignition + ve | Variable power steering ECU, variable suspension ECU |
| F21 | 10 | + battery | — |
| F22 | — | — | |
| F23 | 10 | Ignition +ve | ABS control unit |
| F24 | 10 | Vehicle speed sensor, engine injection double relay, injection ECU, water in diesel sensor | |
| F25 | 10 | +ve after double relay | Inertia switch, fuel pump (except ESJ94 engine) |
| 15 | Fuel pump (ES9J4 engine) | ||
| F26 | 30 | Battery + | Engine injection double relay, engine fuel system, fuses 25 – 28 – 34 (BM34) |
| F27 | 30 | Engine injection double relay, engine fuel system, fuses 25 – 28 – 34 (BM34) | |
| F28 | 10 | +ve after double relay | — |
| F29 | 30 | + battery | Pulsair relay |
| F30 | 10 | Front left fog lamp and warnign light on instrument panel | |
| F31 | 10 | Front right fog lamp | |
| F32 | 10 | Ignition + ve | Pressostat, coolant thermostat, eigine coolant level sensor, diagnostic socket, reversing lamps, fan relay, relay protection switch unit BCP3 (DW10 engine) |
| F33 | 10 | Automatic transmission ECU, selector lever position switch, shift-lock relay | |
| F34 | 10 | +ve after double relay | Oxygen sensor heating resistor, cruise control switch (XU engine) |
| 15 | Engine fuel system, cruise control switch (DW engine) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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