Renault Laguna III (2007-2015) – fuse and relay box
Diagrams of fuse and relay boxes – Renault Laguna III
Applies to vehicles manufactured in the years:
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014.
Locations
Description
- ABS electronic control unit
- Electronic air conditioning control unit – behind the glove compartment
- Air conditioner motor / heater fan motor control unit
- Battery battery
- CAN data bus, gateway control unit
- Diagnostic Connector (DLC)
- Driver’s door controller
- Passenger’s door electric control unit
- Electric parking brake controller – under the floor
- Electronic engine control unit
- Coolant pre-heater control unit
- 4-wheel steering control unit – chassis
- Fuse / relay box, engine compartment 1
- Fuse / relay box, engine compartment 2
- Fuse / Relay Box, Engine Compartment 3 – Fuses in Engine Compartment Fuse Box – Power Circuits: Alternator, Engine Fuse / Relay Box 1, Engine Fuse / Relay Box 2, Instrument Panel Fuse / Relay Box 1, Multifunction Control Unit 2, Pump Power steering, starter.
- Fuse / Relay Box, Instrument Cluster 1
- Fuse / relay box, instrument panel 2 – with auxiliary heater
- Xenon headlight controller
- Glow plug relay
- Beep 1
- Beep 2
- Multifunctional 1-function control unit: central locking, alarm, rear window defroster, horn, immobilizer, turn signals, interior lighting, keyless access and actuation, fog lights, rear window wiper / washer, steering column lock, brake lights, rear door opener drive, windshield washer
- Multifunctional control unit 2- integrated with 1 fuse / relay box in the engine compartment – functions: Air conditioning, cooling fan motor, engine oil level sensor, fog lights, fuel pump, headlights, headlight washers, reversing lights, dimensions front, rear, Wipers
- Navigation system control unit
- Parking Assist Control Module – Behind Right Trim Panel
- Power steering control unit
- Seat adjustment control unit
- Seat heating controller 1- under the seat
- Seat heating controller 2- under the seat
- Seat Heater Relay – Under Seat
- SRS electronic control unit
- Electronic gearbox control unit
The purpose of fuses and relays depends on the equipment level of the vehicle.
Engine compartment
The engine compartment contains 3 main boxes with fuses and relays.
Box 1
It is installed in the junction box of the engine compartment.
Description
- FH1 – 80A Fuse and relay box in passenger compartment
- FH2 – 80A Fuse and relay box in passenger compartment –
protection and switch unit FH3 – 40A ABS / ESP ECU - FH4 – 80A Fuse and relay box in passenger compartment
- FH5 – 60A ECU for air conditioning
- FH6 – 60A ECU for all steering wheels
- FH7 – 30A ECU for air conditioning
- FH8 – Reserve
- FM1 – 60A Fuse for cooling system electric fan, protection and changeover unit
- FM2 – Reserved
- FM3 – Reserved
- FM4 – Reserved
- FM5 – 70A Pre-heater
- FM6 – 70A Coolant Heater Interface Module
- FM7 – 70A Coolant Heater Interface Module
- FM8 – 20A Fuse for injection computer, fuel heater relay, fan relay in series and parallel connection
- FM9 – Reserved
- FM10 – Reserved
- FM11 – Reserved
- FM12 – Reserved
- FM13 – Reserved
- D1 – standby LED
- D2 – standby LED
- D3 – 49A LED for electric fan of the cooling system
- D4 – standby LED
Box 2
It is located in a junction box.
Description
| F1 | (10A) Right headlight fuse, headlight range control |
| F2 | (10A) Left headlight fuse, tailgate window switch |
| F3 | (15A) Headlamp washers |
| F4 | (20A) Fog lamps |
| F5 | (10A) Left headlight |
| F6 | (10A) RH reflector |
| F7 | (15A) Diagnostic connector, passenger compartment fuse / relay box, gear indicator |
| F8 | (30A) ABS / ESP system |
| F9 | (30A) Windshield wiper |
| F10 | (10A) Airbag / seat belt ECU, steering column switches |
| F11 | – |
| F12 | (7.5A) Transmission control module (ECM) |
| F13 | – |
| F14 | (15A) Rear and front oxygen sensors, diesel engine sensor |
| F15 | (20A) Gearbox ECU fuse |
| F 16 | (5A) Brake light switch, fuel heater relay |
| F17 | (10A) Reverse lamp relay, manual transmission position sensor |
| F18 | (15A) CEBS |
| F19 | (25A) Starter |
| F20 | – |
| F21 | – |
| F22 | (10A) Air conditioner |
| F23 | (5A) Fuel injection ECU |
| F24 | (15A) Left headlight |
| F25 | (15A) Right headlight |
Box 3
This box is located in the engine compartment in front of the electronics box.
- F1 –
- F2 –
- F3 – 80A Fuse for power supply + battery circuit through fuse fuse and relay block in passenger compartment, protection and switching unit
- F4 – 300A Fuse for the generator, fuse box and relay in the engine compartment
- F5 –
- F6 – 35A Battery “+” supply circuit fuse through the injector fuse> fuel pump through the safety and switching block, injection computer, water pump for bearing cooling
- F7 – 5A Fuse for protection and switching module
Passenger compartment
It is located in the lower left corner of the dashboard.
Description
| R1 | Time delay fuse supply relay F39, F40, F41, F42, F43, F44, F49, F50, F51, F52 |
| R2 | Heated rear window relay |
| R3 | Horn relay |
| R4 | |
| R5 | |
| R6 | |
| R7 | |
| R8 | |
| R9 | Time-lag fuse supply relay F45, F46, F47, F48, F53, F54, F55, F56, F57, F58 |
| R10 | |
| F1 | |
| F2 | |
| F3 | |
| F4 | |
| F5 | (5A) Internal lamps |
| F6 | (5A) Interior rearview mirror |
| F7 | |
| F8 | |
| F9 | |
| F10 | |
| F11 | |
| F12 | (40A) Heated rear window |
| F13 | |
| F14 | |
| F15 | |
| F 16 | |
| F17 | |
| F18 | (20A) CEBS |
| F19 | (20A) CEBS |
| F20 | (10A) CEBS |
| F21 | (15A) Alarm ECU, display |
| F22 | (15A) CEBS |
| F23 | (30A) Passenger door control module |
| F24 | (30A) Driver’s door control module |
| F25 | (25A) Heated seats |
| F26 | (15A) CEBS |
| F27 | – |
| F28 | (30A) |
| F29 | (25A) Parking brake |
| F30 | (20A) Trailer electrical connection |
| F31 | (10A) CEBS |
| F32 | – |
| F33 | (25A) Audio system |
| F34 | – |
| F35 | – |
| F36 | (20A) Audio system, display |
| F37 | (10A) Instrument panel |
| F38 | – |
| F39 | – |
| F40 | (5A) Brake light switch, ABS and ESP control units |
| F41 | – |
| F42 | (25A) Electric seats |
| F43 | (25A) Electric seats |
| F44 | (15A) Luggage compartment body power connector |
| F45 | – |
| F46 | – |
| F47 | – |
| F48 | (10A) Second row accessory power connector |
| F49 | (5A) ECU for air conditioning |
| F50 | (30A) Electric windows |
| F51 | (5A) Interior lamps |
| F52 | (5A) Audio system, central locking, emergency alarm |
| F53 | – |
| F54 | (10A) Cigarette lighter fuse |
| F55 | (5A) Indoor temperature sensor blower |
| F56 | (15A) Heated windshield washer nozzle, left |
| F57 | – |
| F58 | (40A) air conditioner ECU |
Trunk
It is located in the luggage compartment on the battery side.
Description
- F1 – Rated current per starter
- F2 – 250A Battery disconnecting unit
- F3 60A Fuse and relay box in passenger compartment
