ignition VOLVO S90 TWIN ENGINE 2020 Workshop Manual

WHEELS AND TIRES
* Option/accessory.531
Saving a new inflation pressure in the monitoring system *
In order for the tire pressure monitoring sys- tem 9
to function correctly, tire pressure refer-
ence values must be saved correctly. To help ensure that the system can correctly alert thedriver of low inflation pressure, this must bedone each time the tires are changed or theinflation pressure is adjusted.
For example, when driving with a heavy load or at high speeds (over 160 km/h (100 mph)),tire pressure should be adjusted to the Volvo-recommended tire pressure values. The sys-tem should then be reset by saving the newinflation pressure. To store the new inflation pressure as a refer- ence value in the system:
1. Switch off the ignition.
2. Inflate the tire to the correct inflation pres- sure; see the tire pressure placard on the driver's side B pillar for recommendedpressures for factory-mounted tires.
3. Start the vehicle. 4. Open the
Car Status app in App view.
5. Tap
TPMS.
NOTE
The vehicle must be stationary for theStore Pressure button to be selectable.
6.Tap Store Pressure.
7. Tap
OK to confirm that the tire pressure in
all four tires has been checked and adjusted.
8. Drive the vehicle until the new inflation pressure has been saved. The new infla-tion pressure is stored when the vehicle isdriven at speeds over 35 km/h (22 mph).
> When enough data has been collectedfor the system to detect low inflation pressure, the animation showing theprogress of the storing procedure willdisappear from the center display. Thesystem will not provide any further con-firmation that the new inflation pres-sure has been stored.
If storing cannot be performed,
Storing
pressure unsuccessful. Try again. will be
displayed. If the vehicle's ignition is switched off before the new inflation pressure has been saved, theprocedure must be performed again. To helpensure that the new inflation pressure is saved correctly, allow the storing procedure to com-plete during a single operating cycle.
WARNING
The exhaust gases contain carbon monox- ide, which is invisible and odorless but verypoisonous. The procedure for saving a newinflation pressure must therefore always beperformed outdoors or in a workshop withexhaust gas extraction.
Related information

Recommended tire pressure (p. 529)
Adjusting tire pressure (p. 528)
Viewing tire pressure status in the center display
* (p. 532)
Action when warned of low tire pressure (p. 533)
Tire pressure monitoring system
* (p. 529)
9
Tire Pressure Monitoring System (TPMS)

WHEELS AND TIRES
* Option/accessory.533
Action when warned of low tire pressure When the inflation pressure monitoring sys- tem11
detects low inflation pressure in a tire,
immediate action is required.
If the system's indicator symbol illu- minates and the message Tire
pressure low is displayed, check
the tire pressure and inflate if neces-
sary.
1. Switch off the ignition.
2. Check the inflation pressure on all four tires using a tire pressure gauge.
3. Inflate the tire to the correct inflation pres- sure; see the tire pressure placard on the driver's side B pillar for recommendedpressures for factory-mounted tires.
4. After the inflation pressure has been adjusted, always save the new inflationpressure in the system via the center dis-play. Please be aware that the indicator symbol will not go out until the low tire pressurehas been corrected and a storing proce-dure has been started for the new inflationpressure.
NOTE
To help prevent incorrect inflation pressure, pressure should be checked when the tiresare cold. The tires are considered to becold when they have reached the sametemperature as the ambient temperature(about 3 hours after the vehicle was lastdriven). After driving for a few kilometers,the tires will warm up and the pressure willincrease.
NOTE
After inflating a tire, always replace the valve cap to help prevent valve damagecaused by gravel, dirt, etc.
Use plastic valve caps only. Metal capscould corrode and become difficult toremove.
WARNING

Incorrect inflation pressure could lead to tire failure, which could cause thedriver to lose control of the vehicle.
The system cannot predict sudden tiredamage.
Related information
Recommended tire pressure (p. 529)
Adjusting tire pressure (p. 528)
Saving a new inflation pressure in the monitoring system
* (p. 531)
Viewing tire pressure status in the centerdisplay
* (p. 532)
Tire pressure monitoring system
* (p. 529)
Inflate tires with the compressor included in the tire sealing system (p. 547)
11
Tire Pressure Monitoring System (TPMS)

LOADING, STORAGE AND PASSENGER COMPARTMENT
* Option/accessory.
554
Electrical outlets
There are two 12-volt electrical sockets and one 12-volt electrical socket * in the trunk.
If a problem occurs with an electrical socket, contact a workshop - an authorized Volvoworkshop is recommended.
12 V outlets
12 V outlet in the tunnel console, front seat.
The 12 V outlets can be used for devices intended for this such as MP3 players, coolersand cellular phones.
12 V outlet in the tunnel console, rear seat.
12 V outlet in trunk/cargo compartment *.
Related information
Passenger compartment interior (p. 552)
Using the electrical outlets (p. 554)
Using the electrical outlets
The 12 V outlet can be used for devices intended for this such as MP3 players, cool-ers and cellular phones.
The ignition must be in at least mode I for the
outlets to supply current. The outlets will then be active as long as there is sufficient chargein the start battery. If the engine is turned off and the vehicle is locked, the outlets will be deactivated. If theengine is turned off and the vehicle remainsunlocked, the sockets will remain active for upto 7 minutes.
NOTE
Bear in mind that using the electrical out- lets when the engine is off could cause thestarter battery to have too low of a chargelevel, which could limit other functionality. Accessories connected to the electrical outlets can be activated even when thevehicle electrical system is off or if precon-ditioning is used. For this reason, discon-nect plugs when they are not in use to pre-vent the starter battery from becoming dis-charged.

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LOADING, STORAGE AND PASSENGER COMPARTMENT
556
Storage compartment for the key. The illustration is generic – the design may vary.The illustration is generic – the design may vary.
To lock the glove compartment:
Insert the key into the lock on the glove compartment.
Turn the key 90 degrees clockwise.
Remove the key from the lock.
–To unlock, perform the above steps in reverse.
Using the glove box as a cooled areaThe glove compartment can be used to cool e.g. drinks or food. Cooling is possible when the climate system is active (i.e. when theignition is in mode II or when the engine is
running).
The illustration is generic – the design may vary.
Activate cooling.
Deactivate cooling.
–Activate or deactivate cooling by moving the control as far as possible toward thepassenger compartment/glove compart-ment.
Related information
Passenger compartment interior (p. 552)
Private Locking (p. 262)

MAINTENANCE AND SERVICE
* Option/accessory.
566
Handling system updates via Download Center Functions for Internet-connected vehicles and infotainment can be updated via Down-load Center. Updates can be done one at atime or all at the same time.
Searching for updateIf an update is available, the message New software
updates available will be
displayed in the center dis- play's status field.
In order for system updates to be possible, the vehicle must have an Internet connection 2
.
–Go to Download Center in the center dis-
play's App view.
> If no search has been performed since the last time the infotainment system was started, a search will be initiated.No search will begin if a softwaredownload is in progress. A number in
System updates shows
how many updates are available. Tap to display a list of updates that can beinstalled in the vehicle.
NOTE
Data downloading can affect other services such as transfer data, e.g. web radio. If theaffect on other services is experienced asproblematic, the download can be interrup-ted. Alternatively, it may be appropriate toswitch off or cancel other services.
NOTE
An update can be interrupted when the ignition is switched off and the vehicle isleft. However, the update does not have to be completed before the vehicle is left as theupdate is resumed the next time the vehi-cle is used.
Updating all system software–Select Install all at the bottom of the list.
To avoid displaying a list, select
Install all viaSystem updates.
Updating individual system software–Select Install to choose the software you
would like to download.
Canceling software download–Tap the checkbox in the activity indicator that replaced Install when the download
began.
Note that only a download can be cancelled. An installation cannot be cancelled once it hasbegun.
Deactivating the background search for software update
Automatic searching for software updates is activated as the default factory setting, but thefunction can be deactivated. 1. Tap
Settings in the center display's Top
view.
2. Tap
SystemDownload Center.
3. Tap to deselect
Auto Software Update.
Related information
Download Center (p. 565)
Internet-connected vehicle
* (p. 498)
Navigating in the center display's views (p. 112)
2
There may be a charge for transmitting data over the Internet, depending on your service plan.

MAINTENANCE AND SERVICE
}}
573
Engine compartment overview
This overview shows some service-related components.
Some of the components included in the vehi- cle's electric drive system are located in theengine compartment. Exercise caution whenaccessing the engine compartment and onlytouch what is required for normal mainte-nance.
WARNING
Orange wiring may only be handled by qualified personnel.
WARNING
A number of electrical components in Twin Engine Plug-in Hybrid vehicles use high-voltage current and can be extremely dan-gerous if handled incorrectly.
Do not touch anything that is not clearly described in this Owner's Man-ual.
Be careful when checking/filling fluidsin the engine compartment.
The layout of the engine compartment may vary depending on model and engine variant.
Coolant expansion tank
Brake fluid reservoir (located on the driv- er's side)
Washer fluid filler pipe 12
Fusebox
Air filter
Engine oil filler pipe
WARNING
Bear in mind that the cooling fan (located at the front of the engine compartmentbehind the radiator) may start or continuerunning automatically up to about6 minutes after the engine is turned off. Always entrust engine washing to a work- shop – an authorized Volvo workshop isrecommended. If the engine is hot, there isa risk of fire.
WARNING
The ignition system works with extremely high and dangerous voltages. The vehicleelectrical system should always be in igni-tion mode
0 when work in being per-
formed in the engine compartment. Do not touch any spark plugs or ignition coils when the vehicle electrical system isin ignition mode II or when the engine is
warm.
Related information
Opening and closing the hood (p. 571)
Filling washer fluid (p. 621)
Refilling coolant (p. 576)
Fuses in the engine compartment (p. 587)
12
Fill the washer fluid at regular intervals, e.g. when refueling.

MAINTENANCE AND SERVICE
574
Checking and filling engine oil (p. 575)
Ignition modes (p. 401)
Engine oil For the recommended service intervals and warranties to be applied, an approved engineoil must be used.
Volvo recommends:
If the engine oil is not checked regularly and the level becomes low, this could cause seri-ous engine damage.
CAUTION
To satisfy the requirements for the engine's service intervals, all engines are factory-filled with a specially adapted syntheticengine oil. Great care has been put into thechoice of oil, with consideration given toservice life, startability, fuel consumptionand environmental impact. For the recommended service intervals to apply, an approved engine oil must beused. Only use the prescribed oil grade totop off or change the oil. Otherwise, thereis a risk of the vehicle's service life, starta-bility, fuel consumption and environmentalimpact being affected. Failure to use engine oil of the prescribed grade and viscosity could cause damage toengine-related components. Volvo Car Cor-poration disclaims warranty liability forsuch type of damage. Volvo recommends entrusting oil changes to an authorized Volvo workshop.
Volvo uses different systems to warn if the oil level is too low/high or the oil pressure is low.On engine variants with an oil pressure sensor,

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MAINTENANCE AND SERVICE
5761.
Open the
Car Status app from App view
in the center display.
2. Tap
Status to display the oil level.
Oil level graphic in the center display.
NOTE
The system cannot directly detect changes when the oil is filled or drained. The vehiclemust have been driven approximately30 km (20 miles) and have been stationary5 minutes on a level surface and with theengine off before the correct oil level willbe displayed.
NOTE
If the conditions for measuring oil level are not properly fulfilled (time after engineshutdown, vehicle inclination, ambient temperature, etc.) the message
No value
available will be shown in the center dis-
play. This does not mean that anything is
wrong in the vehicle systems.
Related information
Engine oil (p. 574)
Engine oil specifications (p. 631)
Ignition modes (p. 401)
Vehicle status (p. 567)
Refilling coolant
Coolant helps keep the combustion engine at the right operating temperature. The heattransferred from the engine to the coolantcan be used to warm the passenger compart-ment.
When refilling coolant, follow the instructions on the package. Never fill the cooling systemwith only water. The risk of freezing isincreased with too low or too high amounts ofcoolant. If there is coolant under the vehicle, smoke from the cooling system, or if more than2 liters (about 2 quarts) of coolant has beenadded to the system, there could be some-thing wrong with the cooling system and star-ting the vehicle could damage the engine. Calla tow truck and do not attempt to start theengine.
WARNING
The coolant may be very hot. Never unscrew the cap when the coolant is hot. Ifcoolant must be filled, unscrew the expan-sion tank cap slowly to relieve overpres-sure.

MAINTENANCE AND SERVICE
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591
FunctionAmpere Type
Fed when ignition is on: Engine control module; transmission components, electrical power steering, central electrical module 5 Micro
Exterior vehicle sound (certain markets)
5 Micro
Passenger-side headlight, LED15 Micro
– – Micro
–– Micro
–– Micro
Airbags; Passenger weight sensor 5 Micro
Driver-side headlight, LED15 Micro
Accelerator pedal sensor 5 Micro
Transmission control module; gear selector control module15 Micro
Engine control module 5 Micro
–– Micro
–– Micro
–– Micro
–– Micro
Engine control module; actuator; throttle unit; turbo-charger valve20 Micro

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MAINTENANCE AND SERVICE
592
FunctionAmpere Type
Solenoids; Valve; Overpressure coupling 10 Micro
Vacuum regulator; Electric bypass valve: Ventilation valve7.5 Micro
Spoiler damper control module; Cooler damper control module 5 Micro
–– Micro
Heated oxygen sensor front and rear15 Micro
Oil pump solenoid; A/C magnetic coupling; Heated oxygen sensor front, center and rear15 Micro
– – Micro
Engine control module20 Micro
Ignition coils; spark plugs 15 Micro
– – MCase
–– MCase
Transmission oil pump control module30 MCase
– – MCase
Transmission actuator25 MCase
– – MCase