Fuses and relays Renault Scenic 3 (JZ; 2009-2016)

The Renault Scénic III and Grand Scénic III (extended 7-seater version) were produced from 2009 to 2016. During this production run, the series underwent two facelifts.


This guide details the locations, layout diagrams, and circuit assignments for the fuse and relay boxes in the third-generation Scénic (chassis code JZ; C platform).

Passenger Compartment Fuse Box


The fuse box is located on the driver’s side of the dashboard. Unclip and remove the protective cover to access the fuses.

Passenger Compartment Fuse Assignments
No. Description A
A Power relay (+Battery) with delayed shutoff (maintained during engine cranking) 70
B Power relay (+Battery) with delayed shutoff (cut off during engine cranking) 70
C Heated rear window relay 40
D Horn relay 20
1 Right windshield wiper 40
2 Left windshield wiper 40
3 Front cigarette lighter (Scénic III) 10
4 Rear 12 V power outlet 10
5 Luggage compartment 12 V power outlet 10
6 Audio system 10
7 Heated exterior mirrors 5
8 Windshield washer, door open indicator 10
9 Electronic parking brake (EPB) 30
10 Spare  
11 Power seats, steering column switches 25
12 Engine-running relay 20
13 Spare  
14 Front passenger power window 25
15 Brake light switch, brake pedal position sensor, ABS/ESP control module 5
16 Rear right power window 25
17 Rear left power window 25
18 Glove box light, luggage compartment lamp (left), door courtesy lights, sun visor vanity mirror lights, rain sensor 10
19 Clock, ambient temperature display, seat belt warning indicator, audio system connector 10
20 Air conditioning / Climate control module 5
21 Sun visor vanity mirror lamps 3
22 Interior dome lights, rain and light sensor 3
23 Trailer wiring socket 25
24 Body Control Module (UCH) 15
25 Spare  
26 Navigation system, CD changer, audio system 10
27 Audio system, electronic parking brake module 20
28 Spare  
29 Spare  
30 Body Control Module (UCH), turn signals 15
31 Body Control Module (UCH) 10
32 Driver side power window 30
33 Body Control Module (UCH), central locking 25
34 Passenger door multiplex ECU 30
35 Clock, ambient temperature display, phone screen 15
36 OBD2 diagnostic port, horn relay, alarm control module, siren 15
37 Brake lights, electronic control unit 10
38 Electronic parking brake (EPB) 30
39 Spare  
40 HVAC blower fan, instrument panel 40
41 Electric sunroof 25
42 Heated rear window 40

A separate 40 A engine-running positive (+) relay module may be located beneath the passenger seat. Additionally, up to three supplemental heating relays may be installed on the center console heater assembly.

Engine Compartment Fuse Boxes

The primary fuse box is located on the right-hand side of the engine compartment.

Main Fuse Box (USM)


Access example.


General layout.

Engine Protection and Switching Unit (USM) Fuse Assignments
No. Description A
1 Right side lights (headlight, tail light), license plate illumination, lighter lighting, power window switch backlighting, audio system, navigation control module, multimedia keypads 10
2 Left side lights (headlight, tail light), left tailgate light 10
3 Headlight washer pump 15
4 Front fog lights 20
5 Left high beam headlight 10
6 Right high beam headlight 10
7 OBD2 diagnostic port, rear window defogger relay, automatic transmission selector, headlight leveling control, HID/Xenon ballast module, auxiliary heater control unit, speed limiter, electronic parking brake, park assist ECU, auto-dimming rearview mirror 15
8 ABS/ESP control module 30
9 Front windshield wipers 30
10 Airbag control unit (SRS) 10
11 Spare 20
12 Automatic transmission ECU 7.5
13 Engine management system (ECU) 25
14 Oxygen sensor heating elements 15
15 Automatic transmission ECU 20
16 Brake light circuit, body electronic control module, electric power steering 5
17 Automatic transmission position sensor, headlight leveling control, reverse light relay 10
18 Body Control Module (UCH) 15
19 Starter motor 25
20 Spare  
21 Fuel pump, ignition coils, LPG ECU 20
22 A/C compressor electromagnetic clutch 10
23 Fuel injection ECU 5
24 Left low beam headlight, headlight leveling motor 20
25 Right low beam headlight, headlight leveling motor 20
26 Spare  

Auxiliary Fuse Box


Located beneath the engine protection unit (primarily on diesel models)

Auxiliary Fuse Box Layout
No. Description A
F1 Coolant immersion heater control 80
F2 Glow plug preheating unit 70
F3 Empty  
F4 Coolant immersion heater control 80
F5 Engine cooling fan relay 60/40
F6 Fuel heater relay 20
F7 Empty  
F8 Engine cooling fan relay 30
F9 Empty  
A Empty  
B Fuel heater relay  
C Reverse light relay  
D Empty  

Battery Fuse Blocks


Two fuse blocks are located adjacent to the battery: a battery disconnect unit (1) and a high-current fuselink block (2).

Battery Fuse Block Layouts
No. Description A
Battery Cut-off Unit (1)
F1 Starter motor 190
F2 Passenger compartment fuse box 50
F3 Engine compartment switching unit (USM) 1, passenger compartment fuse/relay box 80
F4 Engine compartment unit 2 / Alternator 300/190
F5 Electric power steering 80
F6 Engine Control Unit (ECU) / Engine compartment switching unit (USM) 1 35
F7 Engine compartment switching unit (USM) 1 5
High-Current Fuselinks (2)
F1 Auxiliary cabin heater 70
F2 Passenger compartment fuse box 80
F3 80
F4 Engine compartment switching unit (USM) 1, passenger compartment fuse/relay box 80
F5 Auxiliary heater 30
F6 ABS / Electronic Stability Program (ESP) 50
See also:
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