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.
The purpose of the fuses and relays may differ from the one shown and depends on the year of manufacture, the region of delivery and the level of electrical equipment of your car.
Contents
Location
General layout of electronic control units
Assignment
| 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 |
Passenger compartment
Fuse box 1
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.
Diagram
Designation
| 1 | 30A Air conditioner fan |
| 2 | 30A Audio system (amplifiers) |
| 3 | 25A Power driver’s seat |
| 4 | 25A Power passenger seat |
| 5 | 25A Left control unit, front door |
| 6 | 25A Control unit right, front door |
| 7 | Reserve socket |
| 8 | 15A Radio, CD player, RSE system |
| 9 | 10A RTI display, MMM RTI module |
| 10 | 5A OBDII, Light Switch (LSM), Steering Wheel Angle Sensor (SAS), Steering Wheel Control Module (SWM) |
| 11 | 7.5A Ignition switch, SRS system, ECM engine control module (V8, 6-cyl. petrol) Passenger side SRS cut-off (PACOS), Electronic immobilizer (IMMO), TCM (V8, diesel, 6-cyl. petrol) .gasoline) |
| 12 | 10A General lighting, ceiling (RCM), upper electronic control module (UEM) |
| 13 | 15A Sunroof |
| 14 | 5A Telephone |
| 15-38 | Spare sockets |
Fuse box 2
Another fuse box is installed under the instrument panel.
To access it, you need to unscrew the protection mount.
Diagram
Allocation
| 1 | 15A Seat heating, right side |
| 2 | 15A Seat heating, left side |
| 3 | 15A Horn |
| 4 | Reserve socket |
| 5 | 10A Infotainment system |
| 6 | Reserve socket |
| 7 | Reserve socket |
| 8 | 5A Burglar Siren |
| 9 | 5A Brake signal contacts, power |
| 10 | 10A Combined instrument panel (DIM), air conditioner (CCM), parking heater, power driver’s seat |
| 11 | 15A 12V socket (cigarette lighter), front seat, rear seat and refrigerator |
| 12 | Reserve socket |
| 13 | Reserve socket |
| 14 | Reserve socket |
| 15 | 5A ABS, STC/DSTC |
| 16 | 10A Electronic Servo Control (ECPS), Active Bi-Xenon (HCM), headlight beam height adjustment |
| 17 | 7.5A Fog lamp, front left |
| 18 | 7.5A Fog lamp, front right |
| 19 | Reserve socket |
| 20 | 5A Coolant pump (V8) |
| 21 | 10A Communication control unit (TOM), reverse gear lock (M66) |
| 22 | 10A Main beam, left |
| 23 | 10A Main beam, right |
| 24 | Reserve socket |
| 25 | Reserve socket |
| 26 | Reserve socket |
| 27 | Reserve socket |
| 28 | 5A Power passenger seat |
| 29 | 7.5A Fuel pump |
| 30 | 5A BUS |
| 31 | Reserve socket |
| 32 | Reserve socket |
| 33 | 20A Vacuum pump |
| 34 | 15A Washer fluid pump |
| 35 | Reserve socket |
| 36 | Reserve socket |
The number 11 fuse is responsible for the cigarette lighter.
Relay box
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:
Diagram
Appointment
| 1 | — |
| 2 | Auxiliary ignition circuits |
| 3 | Main ignition circuits |
| 4 | — |
| 5 | — |
| 6 | power window – close, left rear door |
| 7 | power window – opening, left rear door |
| 8 | switching off the electric motors of the rear power windows, blocking the doors from accidental opening – rear doors |
| 9 | high beam headlights |
| 10 | Marker lamps |
| 11 | Daytime lighting system |
| 12 | low beam headlights |
| 13 | Power Window Relay – Close, Right Rear Door |
| 14 | Power Window Relay – Open, RH Rear Door |
| 15 | Ignition Auxiliary Relay 2 |
| 16 | transmission control system |
| 17 | — |
| 18 | — |
| 19 | — |
| 20 | — |
| 21 | Telematics |
| 22 | — |
| 23 | — |
| 24 | — |
| 25 | — |
| 26 | — |
| 27 | Fog lights |
| 28 | Fuel pump relay Volvo XC90 |
| 29 | — |
| 30 | Fuel Leakage Relay |
| 31 | Jumper – left direction indicators |
| 32 | Jumper – right direction indicators |
| 33 | — |
| 34 | Jumper – dipped beam |
| 35 | — |
Engine compartment
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.
Type 1
Photo
Diagram
Decoding
| 1 | 30A ABS |
| 2 | 30A ABS |
| 3 | 35A High pressure headlight washers |
| 4 | 25A Parking heater (option) |
| 5 | 20A Additional lights (option) |
| 6 | 35A Starter relay |
| 7 | 25A Windscreen wipers |
| 8 | 15A Fuel pump fuse |
| 9 | 15A Transmission control module (TCM), (V8, diesel, 6-cyl. petrol) |
| 10 | 20A Ignition coils (gasoline), engine control module (ECM), injection valves, (diesel) |
| 11 | 10A Fuel Pedal Position Sensor (AWP), AC Compressor, Fan, ECU |
| 12 | 5/15A Engine control module (ECM) (petrol), injectors, (petrol), air mass meter (petrol); air mass meter (diesel) |
| 13 | 10/15A Throttle control module (V8), V1S (6-cyl. petrol); throttle control module, solenoid valve, SWIRL (air mixture valve), fuel pressure regulator (diesel) |
| 14 | 10/20A Lambda probe (gasoline); lambda probe (diesel) |
| 15 | 10/15A Crankcase ventilation heater, solenoid valves, leak diagnosis (5-cyl. petrol); Crankcase ventilation heater (V8, 6-cyl. petrol), AC clutch (V8, 6-cyl. petrol), Solenoid valves, Leak diagnosis (V8, 6-cyl. petrol), ECM, (V8, 6-cyl. petrol ), air mass meter (V8), glow plugs (diesel) |
| 16 | 20A Dipped beam, left |
| 17 | 20A Dipped beam, right |
| 18 | Reserve socket |
| 19 | 5A Engine control module (ECM), power supply, engine relay |
| 20 | 15A Side lights |
| 21 | Reserve socket |
Type 2
Photo – example
Circuit breakers
Scheme
Designation
| F1 | 25A Additional heater control unit |
| F2 | 20A Accessories |
| F3 | 15A Engine management – Bi-fuel, vacuum pump (2002) |
| F4 | 20A Heated oxygen sensors, engine management (Diesel) |
| F5 | 15A Engine management system (petrol) |
| F6 | |
| F7 | — |
| F8 | 10A Accelerator Pedal Position Sensor, A/C Compressor Magnetic Clutch Relay, Cooling Fan Fuse/Relay Box |
| F9 | 15A Horn |
| F10 | 10A Rear window washer pump motor |
| F11 | 20A Engine management, glow plugs, heating/air conditioning, crankcase ventilation heater (Diesel) |
| F12 | 5A Brake lights |
| F13 | 25A Windshield wiper |
| F14 | 30A Anti-lock braking system ABS/ESP (DST C) |
| F15 | 25A Headlight washer/wiper system |
| F16 | 15A Windshield washer pump motor |
| F17 | 10A Right headlight – low beam (xenon) |
| F18 | 10A Left headlight – low beam xenon) |
| F19 | 30A Anti-Lock Braking System ABS/ESP (DSTC) |
| F20 | 15A Left headlight – high beam |
| F21 | 15A Right headlight – high beam |
| F22 | 25A Starter |
| F23 | 5A Engine control relay, engine control module (ECM) |
| F24 | — |
Relay diagram
Relay assignment
- Engine management system
- Glow plugs
- Starter
- Intermittent windshield wiper
- Headlight cleaner/washer
- AC compressor electromagnetic clutch
- Horn (signal)
- Windshield washer pump
- Windshield wiper motor
- Rear window washer pump motor
Additional security elements are installed on the reverse side of the block.
Diagram
Allocation
| F1 | 60A Glow plugs |
| F2 | 60A Interior end block circuits: fuses (F5-7), (F25-27), (F32-33) |
| F3 | 60A Interior end block circuits: fuses (F3-4), (F8-11), (F16-19), (F34-38) |
| F4 | 60A Interior end block circuits: fuses (F1), (F12-15), (F20-24) |
| F5 | empty |
| F6 | empty |
| F7 | empty |
| F8 | 60A Cooling fan motor |
Luggage compartment
In the luggage compartment, on the left behind the passenger compartment protection, there may be 2 more blocks with fuses and relays.
Main box
Type 1
Diagram
Appointment
| 1 | 10A Reversing lamp |
| 2 | 20A Parking lights, fog lights, luggage compartment lights, license plate lights, brake lights |
| 3 | 15A Accessories (AEM) |
| 4 | Reserve socket |
| 5 | 10A Electronic equipment REM |
| 6 | 7.5A Rear seat entertainment system RSE (accessory) |
| 7 | 15A Wiring (30 power) |
| 8 | 15A Electrical socket in luggage compartment |
| 9 | 20A Rear door, right: power window, power window lock |
| 10 | 20A Rear door, left: power window, power window lock |
| 11 | Reserve socket |
| 12 | Reserve socket |
| 13 | 15A Diesel filter heater |
| 14 | 15A Subwoofer, rear air conditioning (A/C) |
| 15 | Reserve socket |
| 16 | Reserve socket |
| 17 | 5A Additional audio equipment |
| 18 | Reserve socket |
| 19 | 15A Rear wiper |
| 20 | 20A Wiring (15 power) |
| 21 | Reserve socket |
| 22 | Reserve socket |
| 23 | 7.5A AWD |
| 24 | Reserve socket |
| 25 | Reserve socket |
| 26 | 5A Parking assistance |
| 27 | 30A Main fuse: wiring harness to trailer, park assist, AWD |
| 28 | 15A Central locking (PCL) |
| 29 | 25A Trailer lighting, left: side lights, direction indicators |
| 30 | 25A Trailer lighting, right: brake light, rear fog lights, direction indicators |
| 31 | 40A Main fuse |
| 32 | Reserve socket |
| 33 | Reserve socket |
| 34 | Reserve socket |
| 35 | Reserve socket |
| 36 | Reserve socket |
| 37 | 20A Heated rear window |
| 38 | Electrically heated rear window |
Type 2
Photo example
Diagram
Decoding
| F1 | 10A Multifunction control unit 2, interior lighting – luggage compartment lighting |
| F2 | 10A Rear fog lights |
| F3 | 15A Stop lights |
| F4 | 10A Reversing lights |
| F5 | 5A Rear defroster, trailer electrical connector power relay |
| F6 | 10A Rear door opener |
| F7 | 15A Accessory power connector – luggage compartment |
| F8 | 15A Central Locking-Locking Rear Side Doors/Tailgate Hatch/Fuel Filler Cap |
| F9 | 20A Trailer electrical connector |
| F10 | 5A Antenna Booster |
| F11 | 15A Accessories |
| F12 | 15A Rear window wiper motor |
| F13 | 15A Audio system, air conditioning / heating system – rear |
| F14 | 7.5A Stop lights |
| F15 | 20A Trailer electrical connector |
| F16 | Reserve |
| F17 | 7.5A Fuel filter heater (Diesel), differential lock control unit |
| F18 | 15A Fuel filter heater (diesel) |
| 1 | — |
| 2 | — |
| 3 | — |
| 4 | Intermittent rear wiper relay |
| 5 | Bi-fuel Relay |
| 6 | A/C ECM Relay – Rear A/C |
| 7 | Rear Door Actuator Relay |
| 8 | Not used (2002) |
| 9 | Fuel Filler Lock Actuator Relay – Open |
| 10 | — |
| 11 | Central locking relay, right rear door – unlock |
| 12 | — |
| 13 | — |
| 14 | Rear wiper motor relay |
| 15 | — |
| 16 | — |
| 17 | — |
| 18 | — |
| 19 | Jumper – brake lights |
| 20 | Jumper – rear dimensions |
| 21 | Jumper – rear dimensions |
| 22 | Jumper-power connector for additional equipment in the luggage compartment |
| 23 | Jumper – fog lights |
| 24 | — |
| 25 | Rear Fog Lamp Relay – Trailer |
| 26 | Rear fog light relay |
| 27 | Brake light relay |
| 28 | Reverse lamp relay |
| 29 | Central locking relay, rear – double lock |
| 30 | Central locking relay, left rear door – unlocking |
| 31 | Fuel Filler Lock Actuator Relay – Close, Central Locking Relay – Rear Doors – Close (2002) |
| 32 | Fuel Filter Heater Relay (Diesel) |
| 33 | — |
| 34 | Rear defroster relay |
| 35 | Audio system |
| 36 | Relay for power supply of the electrical equipment trailer connector |
Additional box
Installed next to the main.
Assignment
- 5A Rear seat heating and front seat massage relay
- 15A Heated driver’s rear seat
- 15A Rear seat heating on the passenger side
- 10A Ventilation / front seat massage
- Reserve
- Reserve
In some models, a power fuse box is installed on the positive terminal of the battery.
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On a 2007 Volvo XC90 V8 what relay controls the Auxiliary Water Pump? I found the location of the 5-amp fuse for the pump in the diagrams provided but no relay or control for the pump.
Thankyou
where is the glow plug relay located in a volvo xc 90 2010 model please?