Volvo V90 wagon and Volvo S90 sedan were produced in 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024,2025. In the United States, the V90 Cross Country model was most popular . In this post, you will find a description of the Volvo V90 fuses and relays with block diagrams and their locations. Let’s highlight the fuse responsible for the cigarette lighter.
The purpose of fuses and relays may differ from that shown and depends on the region of delivery, year of manufacture and level of electrical equipment of your vehicle.
Block in the cabin
In the passenger compartment, the fuse box is located under the dashboard on the passenger side.
To gain access, you need to remove the interior trim and the protective cover of the unit.
| No. | A | Description |
|---|---|---|
| 1 | 10 | Battery Control Module 48V1 |
| 2 | – | |
| 3 | – | |
| 4 | 5 | Motion sensor* |
| 5 | – | |
| 6 | 5 | Driver display |
| 7 | 5 | Keyboard, center console |
| 8 | 5 | Solar sensor |
| Toll Transponder | ||
| 9 | – | |
| 10 | 15 | Infotainment system |
| 11 | 5 | Steering wheel module |
| 12 | 5 | Starter and Parking Brake Control Module |
| 13 | 15 | Electrically heated steering wheel* |
| 14 | – | |
| 15 | – | |
| 16 | – | |
| 17 | 15 | Rear Lighting Control Module |
| 18 | 10 | Climate control module |
| 19 | 7.5 | Steering wheel lock |
| 20 | 10 | OBD-II diagnostic connector |
| 21 | 5 | Central display |
| 22 | 40 | Front Air Conditioning Fan Module |
| 23 | 5 | USB Hub |
| 24 | 7.5 | Backlighting of controls |
| Interior lighting | ||
| Anti-glare, interior rearview mirror* | ||
| Rain and light sensors* | ||
| Power front seats* | ||
| Control panels in the rear doors | ||
| Air conditioning fan control module | ||
| Tunnel console keypad in rear seat footwell* | ||
| 25 | 5 | Camera, front* |
| 26 | 20 | Ceiling console, hatch* |
| 27 | 5 | Head-up display* |
| 28 | 5 | Interior lighting |
| 29 | 5 | Wireless charging plate* |
| 30 | 5 | Overhead console display (seat belt reminder, front passenger side airbag indicator) |
| 31 | – | |
| 32 | – | |
| 33 | – | |
| 34 | 10 | Fuse box, luggage/cargo area |
| 35 | 5 | Internet-connected vehicle control module |
| Volvo On Call Control Module | ||
| 36 | – | |
| 37 | 40 | Audio system module (amplifiers) |
| 38 | – | |
| 39 | 5 | Antenna module (TCAM) |
| 40 | 5 | Front seat comfort function module* |
| 41 | 5 | Breathalyzer* |
| 42 | 15 | Rear window cleaner |
| 43 | 15 | Fuel Pump Control Module |
| 44 | 5 | Converter 48 V1 |
| Engine Start Module1 | ||
| 45 | 5 | Driver support functions control unit (active safety) |
| 46 | 15 | Heated front seat on the driver’s side |
| 47 | 15 | Heated front passenger seat |
| 48 | 7.5 | Coolant pump |
| 49 | – | |
| 50 | ||
| 51 | 20 | Active Damping Module* |
| 52 | 5 | Opening the trunk lid/door with a foot movement* |
| 53 | 10 | Infotainment system |
| 54 | – | |
| 55 | – | |
| 56 | 20 | Power passenger seat, front* |
| 57 | – | |
| 58 | 5 | TV module* |
| 59 | 15 | Main fuse, Infotainment |
* – Option or additional equipment.
Block under the hood
In the engine compartment, the fuse and relay box is installed next to the headlight on the left side.
The block itself will look something like this.
Check the assignment with your diagrams on the back of the block cover.
| No. | A | Designation |
|---|---|---|
| 1 | – | |
| 2 | – | |
| 3 | 15 | Turbo, boost pressure module |
| Lambda probe group | ||
| 4 | 15 | Spark plugs/ignition coils (petrol) |
| Sensor group EGT, soot particles/nitrogen oxides (diesel) | ||
| 5 | 15 | Solenoid, Engine Oil Pump |
| Lambda probe group | ||
| Solenoid, air conditioning compressor | ||
| 6 | 7.5 | Oil level and temperature sensors |
| Glow Plug Module (Diesel) | ||
| Engine Component Group 1 (Components related to engine operation, including turbo/supercharger. Composition depends on engine variant.) | ||
| 7 | 20 | Engine Control Module |
| Fuel injection regulator module | ||
| Engine Component Group 2 (Components related to engine operation, including turbo/supercharger. Composition depends on engine variant.) | ||
| 8 | 5 | Engine Control Module |
| 9 | 10 | Evaporative Emissions (EVAP) Pump |
| 10 | 10 | Glow Plug Module (Diesel) |
| Engine Component Group 3 (Components related to engine operation, including turbo/compressor and powertrain cooling/temperature control. Composition varies by engine variant.) | ||
| 11 | 5 | Spoiler Blind Control Module |
| Radiator shutter control module | ||
| Relay coils, output pulse (PowerPulse) (diesel) | ||
| Coolant changeover valve | ||
| 12 | 15 | Coolant pump |
| 13 | 20 | Engine Control Module |
| 14 | 40 | Starter |
| 15 | Starter | |
| 16 | 30 | Fuel filter heating (diesel) |
| 17 | 25 | Clutch actuator 1 |
| 18 | 5 | Computing unit |
| 19 | 7.5 | Spare fuse |
| 20 | 10 | Spare fuse |
| 21 | 15 | Spare fuse |
| 22 | 20 | Transmission Control Module |
| 23 | 7.5 | USB port, rear of tunnel console |
| 24 | 15 | 12V socket in front of tunnel console |
| 25 | – | |
| 26 | 15 | 12V socket, luggage/cargo area* |
| 27 | – | |
| 28 | 15 | Headlight, left |
| 29 | 15 | Headlight, right |
| 30 | 20 | Transmission Control Module |
| 31 | Heated windshield*, left | |
| 32 | 40 | Heated windshield*, left |
| 33 | 25 | Headlight washers* |
| 34 | 25 | Washer fluid pump, front |
| 35 | 15 | Transmission Control Module |
| Electric gear selector | ||
| 36 | 20 | Sound signal (horn) |
| 37 | 5 | Security alarm siren* |
| 38 | 40 | Brake system control module (valves, parking brake) |
| 30 | Brake Boost Control Module | |
| 39 | 30 | Windscreen wipers |
| 40 | 25 | Washer fluid pump, rear |
| 41 | 40 | Electrically heated windscreen*, right |
| 42 | 20 | Parking heater* |
| 43 | – | |
| 44 | 25 | Clutch actuator 2 |
| 45 | Electrically heated windscreen*, right | |
| 46 | 5 | Power supplied when ignition is on: Engine Control Module, Transmission Components, Electric Power Actuator, Central Electronic Control Module, Brake Control Module |
| 47 | 5 | Radar, front |
| 48 | 15 | Headlight, right |
| 49 | 5 | Breathalyzer* |
| 50 | 10 | Transmission Control Module |
| 51 | 5 | Battery Connection Control Module |
| 52 | 5 | Supplemental Restraint System (SRS) |
| 53 | 15 | Headlight, left |
| 54 | 5 | Accelerator pedal position sensor |
Fuse number 24, 15A, is responsible for the operation of the front cigarette lighter.
Block in the trunk
Another block with fuses and relays is installed in the luggage compartment on the right side.
The diagram is inverted compared to the image.
| No. | A | Purpose |
|---|---|---|
| 1 | 30 | Electrically heated rear window |
| 2 | – | |
| 3 | 40 | Air suspension compressor* |
| 4 | 15 | Seat back lock motor, right rear side |
| 5 | – | |
| 6 | 15 | Seat back lock motor, left rear side |
| 7 | – | |
| 8 | 30 | Nitrogen Oxide Emission Control Module (Diesel) |
| 9 | 25 | Electric tailgate |
| 10 | 20 | Front door module, right |
| 11 | 20 | Towbar module* |
| 12 | 40 | Seat belt pretensioner module, right side |
| 13 | 5 | Internal relay coils |
| 14 | 15 | Nitrogen Oxide Emission Control Module (Diesel) |
| 15 | 5 | Foot motion detection module (for opening the power tailgate) |
| 16 | 5 | Breathalyzer |
| 17 | – | |
| 18 | 25 | Towbar module* |
| 19 | 20 | Front door module, left |
| 20 | 40 | Seat Belt Pretensioner Module, Left Side |
| 21 | 5 | Parking camera |
| 22 | – | |
| 23 | – | |
| 24 | – | |
| 25 | – | |
| 26 | 5 | Airbag and seat belt pretensioner control module |
| 27 | – | |
| 28 | 15 | Seat heater, left side rear |
| 29 | – | |
| 30 | 5 | Blind Spot Information (BLIS)*; module for controlling the external sound signal when reversing |
| 31 | 5 | USB port, cargo compartment |
| 32 | 5 | Seat belt pretensioner modules |
| 33 | 5 | Exhaust gas drive (petrol, some engine variants) |
| 34 | – | |
| 35 | 15 | All Wheel Drive Control Module (AWD)* |
| 36 | 15 | Seat heater, right side rear* |
| 37 | – |