In this article, we take a detailed look at the fuse and relay diagrams for the fourth-generation Renault Megane (chassis codes BFB, KFB, RFB; CMF-CD platform) for model years 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024.
Passenger compartment fuse No. 30 protects the cigarette lighter circuit.
In the Engine Compartment
The engine compartment houses two power distribution boxes that protect the vehicle's electrical circuits.
Fuse Box
The fuse box is located on the left side of the engine compartment. To gain access, remove the protective cover. It consists of two sections: upper and lower.
Representative example shown.
| Diagram | ||
|---|---|---|
| No. | Description | Amps |
| Upper Section | ||
|
||
| 1 |
|
10 |
| 2 | Fuel injection ECU and preheating relay | 15 |
| 3 | Engine Control Module (ECM) / Fuel injection ECU | 15 |
| 4 | Fuel injection ECU (120) and engine circuits | 10 |
| 5 | Engine management system | 15 |
| 6 | Auxiliary heater relays 1 and 2 (1067, 1068) on board (1067), electric parking brake and cruise control/speed limiter switch (2519), drive mode selector (129), gear lever position indicator (1129), park assist control unit (1222), auto-dimming rearview mirror (1340), seat belt reminder module (1601), front camera ECU (2236), electric parking brake control module (1217), speed limiter/cruise control main switch (1081), heated rear window relay control (235) in cabin fuse/relay box (260), left and right headlight leveling motors (537, 538) | 15 |
| 7 | Air conditioning (A/C) compressor clutch (171) | 15 |
| 8 | ABS/ESP control module (1094) | 30 |
| 9 | A/C coolant pump (2084) | 15 |
| 10 | Windshield wiper motor (212) | 30 |
| 11 | Fuel level sensor, fuel temperature sensor, fuel pump | 20 |
| 12 | Starter motor | 30 |
| 13 | Transmission Control Module (TCM) | 10 |
| 14 | Electric Power Steering (EPS) unit (1232), brake light switch (160), 4WD control unit (1663) | 5 |
| 15 | Injection ECU (120), adaptive cruise control radar unit (2037) | 5 |
| 16 | Electric steering column lock (1088), steering angle sensor (583), airbag/seat belt pretensioner ECU (756) | 10 |
| 17 | Manual transmission neutral position / reverse light switch (1109), fuel heater relay control (450), reverse light relay | 10 |
| Bottom Section | ||
|
||
| Panel 777 | ||
| F1 | Unused | - |
| F2 | Unused | - |
| F3 | Unused | - |
| F4 | Headlight washer pump relay | 20 |
| F5 | Heated windshield | 80 |
| F6 | 4WD control unit (1663) | 40 |
| F7 | Passenger compartment fuse power supply (F57–F60) | 70 |
| A | Headlight washer relay | - |
| Panel 753 | ||
| A | Headlight washer relay | - |
| B | Unused | - |
| Panel 597 | ||
| F1 |
|
30 |
| F2 | Automatic Transmission Control Module (TCM) | 15 |
| F3 |
|
30 |
| F4 | Power protection and switching unit (1337) | 140 |
| F5 |
|
70 |
| F6 | Automatic transmission ECU (119) | 50 |
| F7 | Engine cooling fan motor (188) | 60 |
| F8 | Auxiliary heater control circuits (1550) | 70 |
| F9 | Auxiliary heater interface module (1550) | 70 |
| A | Reverse light relay | - |
| 450 | Fuel heater relay | - |
| Panel 597-3 | ||
| A | Remote engine start relay (2619) | - |
| B | Fuel pump relay (2523) – diesel | - |
| D | Fuel injector relay | - |
| E | Fuel injector relay | - |
High-Power Fuse Links
This unit consists of high-current fuses located adjacent to the positive battery terminal.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit Protected / Purpose | Amps |
| F1 | (1232) Electric Power Steering (EPS) | 60 |
| F2 | (1113) Auxiliary cabin heater | 100 |
| F3 | Fuse and relay power supply circuits | 80 |
| F4 | (1094) ABS/ESP control unit | 40 |
| F5 | Fuse and relay power supply circuits | 100 |
| F6 | 100 | |
| F7 | Starter motor, alternator | 300 |
In the Passenger Compartment
The fuse box is located at the bottom of the dashboard behind a protective cover.
Fuse box layout overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Amps | Description |
| 1 | - | Unused |
| 2 | 10 | Multimedia accessory sockets (2468) – RHD models |
| 3 | 15 | Fuel filler flap lock motor (844), driver and passenger door central locking (140, 141) |
| 4 | 15 | Front turn signals (255–256), rear light clusters (172–173), trailer module (1971), power door mirrors (2230–2231) |
| 5 | 15 | Rear door central locking (138–139), high-mounted stop light (639), tailgate lock actuator (1322) |
| 6 | - | Unused |
| 7 | - | Unused |
| 8 | - | Unused |
| 9 | 15 | Rear fog lights (174–175), rear window wiper motor (211) |
| 10 | 30 | Electric parking brake control module (1217) |
| 11 | - | Unused |
| 12 | 15 | Adaptive damping system ECU (543) |
| 13 | Power supply for passenger compartment fuses 3, 4, 5, and 6 (260) | |
| 14 | - | Unused |
| 15 | - | Unused |
| 16 | 10 | Instrument cluster (247) |
| 17 | 20 | Horn relay (229) |
| 18 | 10 | Diagnostic link connector (OBD-II 225), alarm system (1838) |
| 19 | 20 | Trailer connector (1971) |
| 20 | 10 | Body Control Module (BCM / UCH) |
| 21 | 20 | Audio system (261), telematics control module (2152) |
| 22 | 10 | Electric parking brake and cruise control/speed limiter controls (2519), CD changer (1272), multifunction display (2402), media accessory sockets (1877) |
| 23 | 0 | Audio system amplifier (1917) |
| 24 | 30 | Electric parking brake ECU (1217) |
| 25 | 10 | Rear light clusters (172–173), trailer connector (1971) |
| 26 | - | Unused |
| 27 | 5 | Power exterior mirrors (2230–2231) |
| 28 | - | Unused |
| 29 | - | Unused |
| 30 | 15 | Cigarette lighter (101) or auxiliary power socket (506) |
| 31 | 15 | Luggage compartment auxiliary power socket (1384) |
| 32 | 10 | Dual-action windshield and rear window washer pump (677) |
| 33 | Output: Fuse supply circuit (F2) in passenger compartment fuse/relay box (260) – RHD | |
| 34 | 40 | Blower motor / climate control fan 1 (1156) |
| 35 | 40 | Heated rear window (235) |
| 36 | 40 | Power tailgate / backdoor |
| 37 | - | Unused |
| 38 | 10 / 15 | Glove box release motor (2518) [10 A], fuel filler flap lock motor (844) [15 A] |
| 39 | 10 | Air conditioning control unit (419), door lock chime unit (1920) |
| 40 | 7.5 | Clutch pedal position sensor (1057) (manual transmission models); Head-Up Display (2400) (HUD version 1 models); Hands-free keyless entry antenna (1618) (433 MHz models) |
| 41 | 7.5 | Interior lighting |
| 42 | 5 | Power door mirrors (2230–2231) via multiplex door control unit (1667), front passenger door courtesy light (1752), door puddle lights |
| 43 | 5 | ABS / ESP ECU (1094), brake light switch (160) |
| 44 | - | Unused |
| 45 | 7.5 | Rain and light sensor (1415), interior temperature sensor (1872), reading lights (328–329), vanity mirror lights (541), rear cabin courtesy light (300) |
| 46 | 25 | Driver door power window motor (203) |
| 47 | 25 | Front passenger door power window motor (204) |
| 48 | 30 | Sunroof (304) |
| 49 | 25 | Rear left power window motor (202) |
| 50 | 25 | Rear right power window motor (201) |
| 51 | 25 | Front passenger seat position memory ECU (2576) |
| 52 | 15 | Rear seat remote fold switch |
| 53 | 25 | Driver seat position memory ECU (2567): driver seat lumbar support adjustment (2564, 2565) |
| 54 | 40 | Windshield wiper motor |
| 55 | 40 | Windshield wiper motor |
| 56 | Output: Fuse 38 supply circuit in passenger compartment unit (260) | |
| 57 | 30 | Rear cabin blower fan |
| 58 | 15 | Heated rear seat switches (2120–2121), rear left and right seat heating elements (2423–2424) |
| 59 | 20 | Front seat position memory control modules (2567, 2576), front seat heating elements (987–988), front seat heating control module (985–986) |
| 60 | 7.5 | Heated steering wheel switch (2483), cruise control / airbag clock spring switch (689) |
| 61 | Output: Switched ignition relay No. 2 (AP2) (752) in passenger compartment unit (260-4) | |
| 62 | Output: Fuse protection supply (F16–F19, F35) in passenger compartment unit (260-1) | |
| A | 70 | Relay 1: Switched battery (+) with load shed during cranking (1760) |
| B | 70 | Time-delay retained battery (+) relay (active during cranking) (1762) |
| C | - | Unused |
| D | - | Unused |
| F | 40 | Heated rear window (235) |
| G | 20 | Horn relay (229) |
| H | 20 | Heated steering wheel (2499) |