Fuses and relays Renault Midlum (DXi), 2006 - 2013

The Renault Midlum range of commercial trucks has been produced across multiple generations since 1999 with various model updates. This guide provides a detailed breakdown of the fuse and relay assignments, fuse box locations, and circuit diagrams for second-generation (chassis codes DXi-5, DXi-7) models produced from 2006 through 2013. The fuse protecting the 'cigarette lighter / power socket circuit' is highlighted in bold text.

Fuse box layouts and specific component assignments may vary depending on the model year, engine variant, and equipment specification of your Renault Midlum. Always cross-reference this guide with your vehicle's technical documentation or the schematic located on the inside of the protective fuse cover.

Fuse and Relay Box

The main fuse and relay box is located inside the cab, behind the access panel.

Example layout photo.

Diagram
Circuit Description	No. – Rating
Instrument cluster display	F03 7.5 A
Cab tilt safety relay
Cab tilt pump motor relay
Instrument cluster display	F04 5 A
Headlamp washer pump motor	F05 30 A
Instrument cluster display	F06 5 A
Tachograph unit
Vehicle Control Unit (VECU)	F07 5 A
Instrument cluster display	F08 5 A
Engine immobilizer ECU
Alarm system ECU
Central door locking ECU
Air Production Management (APM) ECU
Bodybuilder module control ECU (BBM)	F09 5 A
Climate control / Air conditioning ECU	F10 30 A
Hydraulic retarder ECU	F11 10 A
Electric retarder ECU
Gear selector unit ECU	F12 15 A
Automatic transmission ECU (TCU)
Lighting control & hazard alarm ECU	F13 20 A
Windshield wiper intermittent delay relay
Windshield washer pump motor
Windshield wiper drive motor
Cigarette lighter socket	F14 15 A
OBD diagnostic connector	F15 5 A
Telematics / Fleet management data port (FMS)
Drive mode selector switch	F16 10 A
Cross-axle differential lock warning lamp
Rear axle differential lock solenoid valve
Power Take-Off (PTO) solenoid valve No. 1
Power Take-Off (PTO) solenoid valve No. 2
Power Take-Off (PTO) solenoid valve No. 3
Inter-axle differential lock solenoid valve
Main beam headlamps	F17 10 A
Electric horn	F18 10 A
Pneumatic air horn switch
Air conditioning ECU	F19 5 A
Audio head unit	F20 10 A
Alarm system ECU
Central door locking ECU
ABS / EBS diagnostic line terminator	F21 20 A
Driver-side interior courtesy light	F22 10 A
Passenger-side interior courtesy light
Right entryway illumination lamp
Driver reading lamp
Passenger reading lamp
Lower bunk courtesy light
Left entryway illumination lamp
Left cabin ambient light
Right cabin ambient light
Upper bunk courtesy light
Driver-side step light
Passenger-side step light
Steering angle sensor / Axle lock sensor	F23 5 A
Steering angle sensor
Electronically Controlled Air Suspension (ECAS) ECU
Steering axle control ECU
Fuel pre-heater heating element No. 2	F24 20 A
Auxiliary power supply (hazard beacon / warning equipment)	F25 10 A
Auxiliary power supply (auxiliary lighting)
Equipment stowed / unlocked indicator lamp
Auxiliary indicator lamp module
15-pin trailer socket
Auxiliary power supply (switched ignition / Terminal 15)	F26 15 A
Driver power window motor	F27 20 A
Passenger power window motor
EBS brake system module	F28 20 A
Automatic transmission selector switch	F29 10 A
On-board control ECU interface
Lighting control & hazard alarm ECU	F30 30 A
Cab climate control ECU	F31 20 A
Alarm system ECU
Auxiliary air-to-water parking heater
Auxiliary air-to-air parking heater
Air conditioning ECU
Auxiliary power supply (master battery switch control)	F32 10 A
Cab tilt hydraulic pump motor	F33 30 A
On-board control ECU interface	F34 3 A
Lighting control & hazard alarm ECU	F36 10 A
24 V / 12 V voltage converter (15 A) - Communication & audio systems	F37 10 A
Audio head unit
Auxiliary warning beacon indicator light	F38 10 A
Work lamp / Searchlight switch
Vehicle Control Unit (VECU)	F39 15 A
Left exterior mirror heating element
Right exterior mirror heating element
Heated and power-folding mirror relay
Heated windshield control relay
Engine Control Module (ECM)	F40 30 A
Starter motor solenoid
Starter relay
Intake air grid heater relay
Engine compression brake solenoid valve 1
Exhaust brake solenoid valve
Transmission range-change solenoid valve
Transmission splitter solenoid valve
Viscous fan clutch control solenoid valve
Starter motor control	F41 15 A
Starter relay
Engine compression brake solenoid valve 1
Engine compression brake solenoid valve 2
Exhaust brake solenoid valve
Transmission range-change solenoid valve
Transmission splitter solenoid valve
Intake air grid heater relay	F42 10 A
Viscous fan clutch control solenoid valve
24 V auxiliary power socket	F43 15 A
Automatic transmission diagnostic socket
Rotating beacon lamp 1	F46 15 A
Rotating beacon lamp 2
Beacon power supply relay
Air Production Management (APM) ECU	F47 7.5 A
Hill-start assist / Brake hold control module	F48 3 A
EBS brake system module
Electronically Controlled Air Suspension (ECAS) ECU	F49 5 A
ADR hazardous goods vehicle main isolator ECU
Steering axle ECU	F51 5 A
Automatic transmission gear selector switch	F52 10 A
Engine immobilizer ECU
Emergency stop control switch
Vehicle Control Unit (VECU)
Switched ignition power relay 1 (Terminal 15)
Switched ignition power relay 2 (Terminal 15)
Switched ignition power relay 3 (Terminal 15)
Accessory power relay 1 (Terminal R)
Accessory power relay 2 (Terminal R)
ADR alternator isolation relay
Alternator excitation resistor
OBD diagnostic connector
Central body computer ECU	F54 10 A
Hydraulic retarder ECU	F57 10 A
Emergency stop switch	F58 3 A
ADR alternator isolation relay
Bodybuilder ECU pre-equipment connector	F59 10 A
Hill-start assist / Brake hold control
Reversing lamp power relay
24 V / 12 V voltage converter - Telematics / IT package	F61 15 A
24 V auxiliary power socket	F63 15 A
15-pin trailer socket	F64 10 A
Instrument cluster backlighting	F66 10 A
Front grille accent lighting
Roof vent blower motor
Gear selector unit ECU	F67 10 A
Automatic transmission ECU (TCU)
24 V / 12 V converter (10 A) - Audio & communications	F68 20 A
24 V / 12 V converter (15 A) - Audio & communications
24 V / 12 V converter - Auxiliary power sockets
Coolbox unit
Cab refrigerator unit
Auxiliary 24 V power socket
ABS / EBS diagnostic line terminator	F70 10 A
Auxiliary power supply (switched ignition / Terminal 15)	F71 15 A
Main beam headlamps	F72 10 A
Dipped beam headlamps
Auxiliary power supply (D+ alternator signal / engine running)	F75 15 A
Right seat heater
Left seat heater
Vehicle service / fleet maintenance connector	F76 10 A
Auxiliary air-to-air parking heater
ADR alternator isolation relay
Auxiliary air-to-water heater control valve
Auxiliary power supply (master battery switch control)	F77 15 A
Lighting control & hazard alarm ECU	F90 3 A
Rear fog lamp power relay
Main beam headlamp relay
Front fog lamp power relay
Night driving light switch relay
Front fog lamp cutout relay (main beam active)
Roof clearance marker lamp 1	F91 10 A
Roof clearance marker lamp 2
Front left side marker / position lamps
Right side marker lamp 3
Right side marker lamp 4
Rear right side marker / position lamps
Roof marker lamps (left side)
Left overhead anti-glare marker lights
ADR hazardous goods vehicle main isolator ECU
Front right side marker / position lamps	F92 10 A
Left side marker lamp 1
Left side marker lamp 2
Left side marker lamp 3
Left side marker lamp 4
Rear left side marker / position lamps
Roof marker lamps (left side)
Right overhead anti-glare marker lights
Auxiliary power supply (Right tail lamp circuit)	F93 10 A
15-pin trailer socket
Auxiliary power supply (Left tail lamp circuit)	F94 10 A
15-pin trailer socket
Night driving illumination controls	F96 3 A
Auxiliary power supply (Night driving illumination)	F97 5 A
Main beam headlamps	F100 15 A
Front fog lamps
Main beam headlamp
Dipped beam headlamp
Left front fog lamp
Right front fog lamp
Front fog lamps	F101 10 A
Rear fog lamp
Rear fog lamp
15-pin trailer socket
Instrument cluster display	F102 10 A
Right main beam headlamp
Left main beam headlamp
Auxiliary power supply (Reverse gear signal)	F103 10 A
Reverse brake / inhibitor control module
Reversing lamps
Reversing lamps
External acoustic reverse warning alarm
15-pin trailer socket
Left stop / brake lamps	F104 10 A
Right stop / brake lamps
15-pin trailer socket
Nitrogen oxide (NOx) sensor	F107 10 A
AdBlue / DEF dosing pump module
Engine coolant bypass solenoid valve
Auxiliary air heater / Parking heater	F108 20 A

Note: Fuse F14 (15 A rating) protects the cigarette lighter / 12 V power outlet circuit.

Relay Assignments