Renault Megane III (2008-2016) – fuse and relay box

Diagrams of fuse boxes and relays – Renault Megane III

Applies to vehicles manufactured in the years:

2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.

The lighter on the Renault Megane III is fuse number F3 (front) and F4 (rear) in the instrument panel fuse box and fuse number 1 in the box in the engine compartment.

Passenger compartment

Main box

It is located in the dashboard on the left side.


F1 Reserve
F2 Reserve
F3 Cigarette lighter 10A
F4 10A rear socket
F5 10A socket in the trunk
F6 10A audio system
F7 5A electrically heated exterior mirrors
F8 Windshield washer 10A;

Door open indicator.

F9 Automatic parking brake 30A
F10 10A Dashboard cover
F11 Armchair 25A;

Steering column switches.

F12 20A Electrically heated passenger seat
F13 Reserve
F14 25A Passenger’s door electric window regulator
F15 5A Brake light switch;

Brake pedal position sensor;

ABS / ESP control unit.

F 16 25A Electric window regulator, right rear door
F17 25A Electric window regulator, rear left door
F18 10A Glove box lamp;

Left lamp in the trunk;

Door lights;

Mirror lights in the sun visor;

Rain sensor.

F19 10A Clock;

Outdoor temperature indicator;

Seat belt warning indicator;

Audio system connector.

F20 5A Air conditioning control unit
F21 3A Mirror lamps in sun visors
F22 3A Lamp covers for interior lamps;

Rain and light sensor.

F23 20A Trailer connector
F25 3A Interior rearview mirror
F26 10A Navigation system;

CD changer;

Audio system.

F27 20A Audio system;

Parking brake control unit.

F28 Reserve
F29 Reserve
F30 15A UCH;

Direction indicators.

F32 30A Electric window regulator driver’s door
F33 25A UCH;

Central locking.

F34 30A Passenger door of the ECU multiplex network
F35 15A Clock;

Outdoor temperature indicator;


F36 15A Diagnostic socket;

Horn relay;

Alarm switchboard;


F37 10A Braking signals, ECU
F38 Automatic parking brake 30A
F39 Convertible roof ECU 30A
F40 40A air conditioning fan
F41 Electric sunroof 25A
F42 Heated rear window 40A
  • RA 70А – Power relay (+ battery) with delayed shutdown (without shutdown at startup)
  • RB 70A – Power relay (+ battery) with delayed switch-off (excluding power at start)
  • RC 40C – Heated rear window relay
  • RD 20A – Horn relay
READ:  Renault Trafic III (2015-2022) - fuse and relay box

Fuse number.

Additional relays

There may be a separate “+” relay under the passenger seat with the 40A engine running. In this way, a couple of additional heating relays can be placed on the center console heater box.


Engine compartment

Fuse box

The unit is located in the engine junction box (in the engine compartment).


  1. 10A – Side light (right headlight, right tail light, headlights), license plate light, cigarette lighter light, power window switch light, audio system, navigation system control unit, multimedia system keyboards
  2. 10A – Position light (left headlight, left tail lamp), left lamp on the tailgate
  3. 15A – Headlight washer pump
  4. 20A – Fog lights
  5. 10A – High beam (left block headlight)
  6. 10A – High beam (right headlight)
  7. 15A – Diagnostic socket, rear window heating relay, automatic transmission mode switch, electric headlamp corrector, gas discharge lamp control unit, auxiliary heating control unit, speed limiter, automatic parking brake, automatic parking control unit, passenger compartment dimmable mirror
  8. 30A – For ABS, ESP control units
  9. 30A – Front wiper
  10. 10A – Airbag control unit
  11. 20A – Not used
  12. 7,5А – gearbox ECU
  13. 25A – Engine management system
  14. 15A – Oxygen concentration sensors – heating
  15. 20A – Gearbox ECU
  16. 5A – Braking signals, electric control unit, electric power steering
  17. 10A – Sensor for automatic transmission operating modes, headlamp electrocorrector, reversing lamp relay
  18. 15A – Electric devices control unit
  19. 30A – Starter
  20. – Not used
  21. 20A – Fuel module, ignition coils, LPG ECU
  22. 10A – Air-conditioner compressor electromagnetic clutch
  23. 5A – ECU injection system
  24. 20A – Low beam (left headlight), electro-corrector
  25. 20A – Low beam (right headlight), electro-corrector
  26. – Not used

Fuses 24, 25 and 26 on the protection unit may not be replaceable.

Fuse box no.2

It is located in the junction box in the engine compartment under the protection and switching unit.

READ:  Renault Laguna 2 (2001-2007) - fuse box


  • A – Not used
  • B – Fuel heater relay
  • C – Reverse lamp relay
  • D – Not used
  • F1 – 80A immersion heater control unit
  • F2 – 70A heating unit
  • F3 – Not used
  • F4 – 80A immersion heater control unit
  • F5 – Fan 60A / 40A relay
  • F6 – Fuel heater 20A
  • F7 – Not used
  • F8 – 30A fan relay
  • F9 – Not used

The box next to the battery

Battery disconnecting unit (1)


  • F1 – 190A Starter
  • F2 – 50A Fuse and relay box in passenger compartment
  • F3 – 80A Fuse and relay box (control and change-over unit) in engine compartment 1, fuse and relay box in passenger compartment
  • F4 – 300A / 190A Fuse in engine compartment and 2 relay box / alternator
  • F5 80A Electric power steering
  • F6 – 35A electronic engine control unit (ECU) / fuse and relay box (control and switching unit) in engine compartment 1
  • F7 – 5A fuse and relay box (control and switching unit) in engine compartment 1


High Power Fuse Block (2)


  1. 70A – Additional passenger compartment heater
  2. 80A – Fuse and relay box in passenger compartment
  3. 80A – Fuse and relay box in passenger compartment
  4. 80A – Fuse and relay box (control and switch unit) in engine compartment 1, fuse and relay box in passenger compartment
  5. 30A – Additional heater
  6. 50A – ABS and ESP ECU

Leave a Reply