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Peugeot 406 - from DAM 8421 Fuse Box Diagram

avatar 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
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
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
F27 5 Built-in system interface (BSI), rear window lift relay, key lock (automatic gearbox)



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
F5 15 Horn
F6 15 BSI
F7 10 Termostats, fan relay
F14 10 Headlight wash timer, diagnostic socket
F18 Separate fuse
F20 15 Ignition + ve Variable power steering ECU, variable suspension ECU
F21 10 + battery
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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