The 1st generation Volvo XC90 was produced in 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 with 2.5 2.9 and 4.4 liter petrol engines. During this time, the model has been restyled and updated several times. In our material you will find information on the location of all electronic control units, a detailed description of the fuses and relays of the Volvo XC90 with fuse box diagrams, photographs and their locations. Note the fuses for the cigarette lighter and fuel pump.
| 1 | Accessory control unit – right side of the luggage compartment |
| 2 | Air conditioning electronic control unit – behind the air conditioning control panel |
| 3 | A/C heater blower control box – next to blower motor |
| 4 | Antenna unit, telephone |
| 5 | Antenna Booster – Ceiling Panel |
| 6 | Impact sensor, left |
| 7 | Impact sensor, right |
| 8 | Air curtain igniter, left |
| 9 | Air curtain igniter. Right. |
| 10 | Side Impact Sensor Assembly – Driver’s Side B-Pillar |
| 11 | Side impact sensor, rear left – behind the support on the rear seat cushion |
| 12 | Side Impact Sensor Assembly – Passenger Side B-Pillar |
| 13 | Side impact sensor, rear right – behind the support on the rear seat cushion |
| 14 | Vehicle tilt sensor (anti-theft system) |
| 15 | Anti-theft horn – behind the front right wheel arch trim |
| 16 | Volume change sensor (anti-theft system) – ceiling panel |
| 17 | Theft Deterrent Alarm Sensor – In Multifunction Control Unit 3 |
| 18 | Audio output amplifier |
| 19 | Additional heater control unit, if installed |
| 20 | Battery – under hollow luggage compartments |
| 21 | Control unit for the cruise control system, built into the electronic engine control unit. |
| 22 | Diagnostic connector (DLC) |
| 23 | Differential Lock Control Module – Rear Differential |
| 24 | Passenger’s door electrical control unit – in the door – functions: Central locking, open or not tightly closed door indicators, electric drive/heater of rear-view mirrors on the doors, power windows, lighting lamps in the door mirrors, outside temperature |
| 25 | Driver’s door electrical control unit – in the door – functions: Central locking, open or not tightly closed door indicators, electric drive/heater of rear-view mirrors on the doors, electric windows, lighting lamps in door mirrors, outside temperature |
| 26 | Cooling fan motor control unit |
| 27 | Fuse /Relay Box, Engine Compartment 1 |
| 28 | Engine Compartment Fuse /Relay Box 2 – Under Engine Compartment Fuse /Relay Box 1 |
| 29 | Fuse /Relay Box, Dashboard 1 |
| 30 | Fuse /Relay Box, Instrument Panel 2 |
| 31 | Fuse /Relay Box, Luggage Compartment 1 |
| 32 | Cargo area fuse /relay box 2 – next to battery |
| 33 | Electronic heater control unit – behind the heater controls |
| 34 | Horn – behind the front bumper |
| 35 | Immobilizer – in the electronic engine control unit |
| 36 | Immobilizer ring antenna – near the ignition switch |
| 37 | Turn signal /alarm relay – in multifunction control box1 |
| 38 | Instrument Cluster Control Unit – Dashboard |
| 39 | Lighting control unit – behind the headlight switch |
| 40 | Multifunction control box 1 – connected by instrument panel fuse /relay box 2 – functions: |
| Anti-theft system, central locking, power windows, windshield wiper /washer, headlight cleaner /washer, power steering, immobilizer, headlights, turn/alarm indicators, horn, front /rear position, starter motor, heated seats, headlight range adjustment, fuel pump, glove box light |
| 41 | Multifunctional control unit 2- connected by fuse/relay box, luggage compartment 1 – functions: Anti-theft system, central locking, tail lights, fuel level, interior lamps, rear window wiper /washer, rear window defroster, accessory power connectors – rear, parking system, fuel filter heater – Diesel |
| 42 | Multifunctional control unit 3-functions: Central locking, anti-theft system, sunroof, rain sensor, interior lamps, seat belt reminder |
| 43 | Navigation system control unit – under the left seat |
| 44 | Ambient temperature sensor – in the mirror of the right door |
| 45 | Parking system control unit |
| 46 | Power steering relay |
| 47 | Rain sensor (if installed) |
| 48 | The relay of system of blocking of doors from accidental opening, a lion. – at the door |
| 49 | Relay of the door lock system against accidental opening, right, – in the door |
| 50 | Driver’s seat power control unit – under the seat |
| 51 | Passenger seat sensor – in the seat cushion |
| 52 | SRS electronic control unit |
| 53 | Steering wheel position sensor box – connected to fuse/relay box 2 under dash |
| 54 | Steering wheel electrical control unit – Behind the steering wheel – Functions: Audio system, cruise control (cruise control), horn, direction indicators, windshield wiper /washer, rear window wiper /washer, dipped/high beam |
| 55 | Sunlight sensor |
| 56 | Sunroof control unit – in multifunctional control unit 3 |
| 57 | Electronic gearbox control unit |
| 59 | Telematics unit – functions: Audio system, telephone |
| 60 | Telephone control unit, “hands-free” |
| 61 | Telephone interface control unit – behind the air conditioning control panel |
At the left end of the dashboard behind the protective cover is the first fuse box.
Check the purpose of the elements with your diagrams printed on the back of the protective cover.
Another fuse box is installed under the instrument panel.
To access it, you need to unscrew the protection mount.
This fuse box is installed under the panel in the early models of the Volvo XC 90. Also known as the central electronic module. It looks like this:
On the left side of the engine compartment, next to the rack is a box with fuses and relays. There are several versions of this box with fuses and relays.
In the luggage compartment, on the left behind the passenger compartment protection, there may be 2 more blocks with fuses and relays.
Installed next to the main.
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