2018 VOLVO S90 T8 relay

PRACTICAL INFORMATION
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81
4. Carefully press the storage compartment'ssides as shown in the illustration.
> The catches will re-engage to hold thecompartment in place.
Related information
• Tunnel console (p. 83)
• Using the glove compartment (p. 82)
• Electrical sockets (p. 115)
• Sun visors (p. 84)
Engine compartment overview
The engine compartment overview shows some maintenance points.
The layout of the engine compartment may differ slightly from model to model
Coolant expansion tank
Brake fluid reservoir
Washer fluid reservoir
Relay/fuse box
Air cleaner
Engine oil filler cap
WARNING
• The cooling fan (located at the front of the engine compartment, behind the radi-ator) may start or continue to operate (forup to 6 minutes) after the engine hasbeen switched off.
• Engine cleaning should only be done by aworkshop. If engine cleaning agents areused when the engine has been running,there may a fire risk.
• Before performing any operations in theengine compartment, the ignition shouldalways be completely switched off (in mode
0) and there should be no remote
keys in the passenger compartment. Thegear selector should be in the P (park)
position. If the engine has been running, wait until it has cooled before touchingany components in the engine compart-ment.
• The distributor ignition system operatesat very high voltages. Special safety pre-cautions must be followed to preventinjury. Always turn the ignition off whenreplacing distributor ignition componentse.g. plugs, coil, etc.
• Do not touch any part of the distributorignition system while the engine is run-ning. This may result in unintended move-ments and body injury.

FUSES
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* Option/accessory.133
•
Fuses 1–13, 18–30, 35–37 and 46–54 are called "Micro".
• Fuses 31–34 and 38–45 are called "MCase"and should only be replaced by a trained andqualified Volvo service technician.
Function
A
– –
– –
– –
Ignition coils, spark plugs 15
Oil pump solenoid Electromag- netic relay A/C, Center oxygensensor15
Vacuum regulators, Valve 7.5
Engine control module, Actuator, throttle unit, Turbocharger valve
20
Engine control module 5
– –
Solenoids, Valve, Coolant ther- mostat10
Spoiler shutter control module, Radiator shutter control module 5
Front/rear oxygen sensors 15
Function
A
Engine control module 20
Starter motor 40
Starter motor Shunt
– –
– –
– –
– –
– –
– –
– –
Front USB socket* 5
12-volt socket in the front tun- nel console 15
12-volt socket on the rear side of the tunnel console15
12-volt socket in the trunk 15
– –
– –
Function
A
– –
– –
Heated windshield*, driver side Shunt
Heated windshield
*, driver side 40
Headlight washers
*25
Windshield washer 25
Transmission control module 15
Horn 20
Alarm siren 5
Brake system control module (valves, parking brake) 40
Windshield wipers 30
– –
Heated windshield
*, passenger
side 40
– –
Brake system control module (ABS pump)
40
– –

FUSES
* Option/accessory.141
Positions
•Fuses 13–17 and 21–36 are called "Micro".
• Fuses 1–12, 18–20 and 37 are called "MCase" and should only be replaced by atrained and qualified Volvo service technician.
Function
A
Heated rear window 30
– –
Pneumatic suspension* compressor 40
Lock motor, rear seat backrest - passenger's side 15
– –
Lock motor, rear seat backrest - driver's side15
– –
– –
Power trunk release
*25
Power front seat (passenger side)
*
module 20
Trailer hitch
* control module 40
Seat belt tensioner module (pas- senger side) 40
Function
A
Internal relay windings 5
– –
Foot movement detection module for opening the power trunk release* 5
– –
– –
Trailer hitch
* control module 25
Power front seat (driver seat
* mod-
ule 20
Seat belt tensioner module (driver side)
40
Parking camera
* 5
– –
– –
– –
– –
Airbag and seat belt tensioner modules 5
– –
Function
A
Heated rear seat (driver side)*15
– –
Blind Spot Information (BLIS)
*,
Control module for exterior audible reverse warning (certain marketsonly) 5
– –
Seat belt tensioner modules 5
Emission system actuator 5
– –
– –
Heated rear seat (passenger side)
*15
– –
Related information
•Replacing fuses (p. 130)
• Fuses (p. 130)
• Fuses in the engine compartment (p. 131)
• Fuses in the passenger compartment (p. 135)