Volvo S40 V40 (1995 – 2004) fuse and relay

The 1st generation Volvo S40 was produced in 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 in the S40 sedan and V40 station wagon. During this time, the model has been updated (restyling). In our material you will find a description of the fuses and relays Volvo S40 with fuse box diagrams, their photographs and locations. Let’s show the fuse responsible for the cigarette lighter.

Volvo s40 1G

The purpose of the fuses and relays may differ from those shown and depends on the year of manufacture and the level of electrical equipment of your car.

Passenger compartment

Fuse and relay box

In the passenger compartment, the main fuse and relay box is located under the instrument panel, on the driver’s side.

Fuse box

To access, you need to remove the protective cover. The block itself will look something like this:

Check the designation of the elements with your diagrams printed on the cover of the blocks.

Example schema with allocation




Type 1

1Rear defroster relay
2Heater fan motor relay
3Relay-interrupter of direction indicators
4Interior lamp off delay relay
F1(25A) Cooling fan motor, air conditioner
F2(20A) Spare
F3(10A) Spare
F4(10A) Reversing lamps, brake lamps, traction control, electronic transmission control unit, transmission switch illumination lamp
F5(10A) Cruise control system, brake light switch, shifter light
F6(20A) Seat heaters, rear interior lamps, license plate lamp, light switch illumination, fog lamps/lights and fog lamps/light switches, instrument cluster illumination rheostat
F7(10A) Door lock switch illumination, instrument cluster, direction indicators, daytime running lights, trip computer, interior lamp off delay
F8(20A) Alarm
F9(15A) Audio system, power door mirrors, power windows, power antenna
F10(10A) Wiper motor and rear window washer pump (5-door)
F11(10A) SRS system, central locking, immobilizer, engine management system relay, fuel cut switch (diesel)
F12(15A) Sunroof, rear window/mirror defrosters, headlights and headlight indicator, sun visor lamp
F13(15A) Parking lights, diagnostic socket power, headlight range control, cigarette lighter
F14(20A) Windshield wiper motor and wiper switch, headlight wipers, washer pump

The number 13 fuse is responsible for the cigarette lighter.

Type 2

1Door Mirror Defroster Relay/ Rear Defroster Relay
2A/C relay
3Relay-interrupter of direction indicators
F125A Heater/air conditioner
F210A/20A Accessory connector, cigarette lighter
F310A/20A Anti-theft system, central locking, power seats, power windows, door mirror heaters
F410A Anti-lock braking system (ABS), multifunction control unit
F520A Seat heater
F615A Anti-Lock Braking System (ABS), turn signal/anti-theft system, multifunction control unit, reversing lights
F710A Anti-theft system, automatic transmission control system, central locking, cruise control system, engine management system (LPG), instrument cluster indicators, light switch, seat belt warning system, SRS system
F815A/20A Anti-theft system, central locking, turn signals/alarm
F915A Audio system
F1020A Headlight cleaner, windshield wiper/washer
F1110A Automatic transmission control system, central locking, engine management system, immobilizer, instrument cluster, SRS system
F1215A Anti-theft horn, rear window defogger, heater/air conditioner, interior lamps, multifunction control unit, seat belt warning system, sunroof
F1315A Diagnostic connector (DLC), brake lights
F1420A Headlight wiper system, rear window washer/wipe system

The number 2 fuse is responsible for the cigarette lighter.

Relay box

It is also installed under the instrument panel, slightly to the right of the fuse and relay box.

Photo – example

Relay box volvo s40 mk1


relay diagram


Type 1

  1. Relay 1 central locking
  2. Relay 2 for central locking, rear doors
  3. Rear window wiper/washer relay
  4. Power Window Relay
  5. Starter relay (immobilizer)

Type 2

  1. Trunk lid/tailgate lock relay – ^05/00 if equipped
  2. Seat Belt Warning Relay/Key Leaving Warning Relay
  3. Starter relay – 06/00^
  4. Power Window Relay
  5. Starter relay – ^05/00

Engine compartment

Under the hood, in the engine compartment, the main fuse and relay box is located on the left side next to the rack and is covered with a protective cover.

Type 1


photo 1

An example of a circuit from the block cover

covery 2


Diagram t1


Option 1

1A/C Compressor Magnetic Clutch Relay
2Air Intake Switchover Motor Relay (A/C)
4Cooling Fan Motor Relay
5headlight relay
6A/C condenser fan motor relay
7Anti-theft relay (horn)
8ECM relay
F1120A Alternator, power to fuses 2,4,5,6 and 7, exhaust air pump, glow plugs (diesel)
F240A Power to fuse box under dashboard
F325A Rear window defroster, rear view mirror defroster
F420A Horn, fog lights, anti-theft LED
F510A Central locking remote control power supply, audio system memory, trip computer, instrument cluster, immobilizer, clock, interior lamps, rear position lamps, ignition/trunk/glove compartment lamps
F620A Central locking remote control actuators and fault indicator
F910A Air conditioning compressor
F1010A Stop lights
F1140A Ignition switch, cruise control, fuel limit valve
F1250A ABS
F1320A Engine components
F1420A Low/high beam
F1530A Cooling fan, AC condenser fan
F1630A Power windows front and rear
F1710A Fuel pump (gasoline)
F1810A Oxygen sensor heater
F2310A ABS electronic control unit

Option 2

1A/C Compressor Magnetic Clutch Relay
2Cooling Fan Motor Relay 2 (Diesel)
3Cooling fan motor relay 1
4Fuel pump relay (Melco 1)
5Starter relay
6A/C Condenser Fan Motor Relay (Petrol)
7Cooling fan motor relay 2 (EMS 2000)
8Engine management system relay (Diesel and EMS 2000)
F1(120A) Alternator, F2-7, glow plugs, exhaust air pump motor
F2(40A/50A) Fuse/Relay Box, Dashboard 1 (F1-2, F8 and F13)
F3(25A) Door mirror defroster, rear window defroster
F4(20A/30A) Anti-theft system, power seats, fog lights, horn fog lights
F5(10A) Anti-theft system, audio system, central locking, immobilizer, instrument cluster, interior lamps
F6(20A) Anti-theft system, central locking, anti-tamper door lock system – rear door
F7(15A/20A) air conditioner
F8(20A) Alternator (B4184SM), fog lights, fog lights
F9(10A/15A) Air conditioning, left headlight – low beam, multifunction control unit
F10(10A/15A) Multifunction control unit, right headlight – low beam, brake lights
F11(40A/50A) Coolant heater (Diesel), ignition switch
F12(50A) Anti-lock braking system (ABS)
F13(20A) Engine control
F14(40A) Ignition switch
F15(30A) Air conditioning system, cooling fan motor
F16(30A) Power windows
F17(15A) Anti-theft system, horn
F18(10A) Front/Rear Lamps
F19(15A) Left headlight – high beam, multifunction control unit, right headlight – high beam
F20(15A) Fuel pump
F21(10A/20A) Motor control
F22(15A) Alternator, brake booster vacuum pump (turbocharged petrol models with automatic transmission)
F23(10A) Headlight range control

Type 2

Photo – example

photo 2


Diagram t2


1Cooling fan motor relay 1
2A/C Compressor Magnetic Clutch Relay
3A/C condenser fan motor relay
4Cooling fan motor relay 2 (Diesel, Turbo and EMS2000)
6Brake booster vacuum pump relay (EMS 2000 Turbo with automatic transmission)
7Engine management relay
8Horn relay
9Coolant Heater Relay 2 (Diesel)
F1120A Alternator (Diesel), F2-10, glow plugs
F240A Fuse/Relay Box, Instrument Panel 1 (F1-2, F8 and F13)
F330A Water Heater Relay 1 (Diesel)
F430A Coolant heater relay 2 (Diesel)
F525A Door mirror defroster, rear window defroster
F625A Power seat (driver’s)
F725A Power passenger seat
F810A Air conditioning, anti-theft system, central locking, power antenna, engine management system (Melco), instrument cluster, interior lamps
F920A Anti-theft system, central locking
F1015A Audio system
F1120A Engine management system, immobilizer
F1230A Power door mirrors, power windows
F1330A Cooling fan motor
F1550A Anti-lock braking system (ABS)
F1715A Fuel filter heater (diesel), fuel pump (gasoline)
F1810A A/C Compressor Magnetic Clutch Relay (Diesel), Water Heater Relay 1/2 (Diesel), Engine Management System
F1920A Fog lights, fog lights
F2115A Left headlight – low beam
F2215A Right headlight – low beam
F2310A Front/Rear Lamps
F2410A Headlight range control, license plate lamps, front/rear position
F2510A Automatic transmission control system, engine management system (LPG)
F2610A Alternator (Melco)
F2715A Accessory Power Connector – Rear
F2815A Left headlight – high beam, right headlight – high beam
F2915A Horn
F3015A/20A A/C Compressor Magnetic Clutch Relay, A/C Condenser Fan Motor (Melco & EMS2000 Turbo)
F3115A Vacuum pump for brake booster (automatic transmission)


Do you have any questions? Ask them in the comments.

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