2019 VOLVO S60 TWIN ENGINE engine

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MAINTENANCE AND SERVICE
572
Open the cap in the plastic covering.
Unscrew the expansion tank cap and fillcoolant as needed. The level should notexceed the yellow MAX mark inside theexpansion tank.
Put the components back in place in the reverseorder.

CAUTION
Do not ingest the contents. May causedamage to organs (kidneys).
Use premixed coolant according to Vol-vo's recommendations. If concentratedcoolant is used, make sure that the cool-ant mixture is 50% coolant and 50%water of acceptable quality.
Do not mix different types of coolant.
To help ensure sufficient corrosion pro-tection in the system, only use new cool-ant when replacing larger components inthe cooling system.
Never run the engine unless the coolingsystem is properly filled. An improperlyfilled cooling system could lead to hightemperatures and cracks in the cylinderheads.
High levels of chlorine, chlorides andother salts may cause corrosion in thecooling system.

Related information
Engine compartment overview (p. 568)
Coolant specifications (p. 621)
Replacing bulbs
Bulb types vary depending on model and equip-
ment level. If a light bulb14 breaks, it can bereplaced by following the procedure shown inthe Owner's Manual.
If you are experiencing problems with any lights
other than light bulbs, contact a workshop15.
If there is a problem with an LED16 light, theentire lamp unit will normally need to bereplaced.
NOTE
For information on lights not mentioned in theOwner's Manual, contact a Volvo dealer or acertified Volvo service technician.

NOTE
Exterior lighting such as headlights and tail-lights may develop temporary condensationon the inside of the lens. This is normal. Allexterior lighting is designed to resist this.Condensation is normally vented out of thelamp housing once the light has been lit forsome period of time.
14Some vehicles do not have any light bulbs.15An authorized Volvo workshop is recommended.16LED (Light Emitting Diode)

MAINTENANCE AND SERVICE
574
Start battery
The vehicle has a single-pole electrical systemthat uses the chassis and engine mount as con-ductors.
The start battery is used to start the electricalsystem and power electrical equipment in thevehicle. The hybrid battery is used to start thecombustion engine.
The start battery should only be replaced by a
workshop17.
The start battery is a 12 V AGM (Absorbed GlassMat) battery, dimensioned for regenerative charg-ing and to support the function of the vehicle'svarious systems.
The service life and performance of the start bat-tery are affected by factors such as driving style,driving conditions, climate, battery discharges,number of starts, etc.
Never disconnect the start battery while theengine is running.
Make sure the cables to the start battery arecorrectly connected and the clamps aresecurely tightened.

WARNING
Batteries generate hydrogen gas, whichis flammable and explosive.
Do not connect the jumper cable to anypart of the fuel system or to any movingparts. Avoid touching hot manifolds.
Battery fluid contains sulfuric acid. Do notallow battery fluid to contact eyes, skin,fabrics or painted surfaces.
If contact occurs, flush the affected areaimmediately with water. Obtain medicalhelp immediately if eyes are affected.
Never expose the battery to open flameor electric spark. Do not smoke near thebattery. Failure to follow the instructionsfor jump starting can lead to injury.
Connection points
WARNING
California Proposition 65
Operating, servicing and maintaining a pas-senger vehicle can expose you to chemicalsincluding engine exhaust, carbon monoxide,phthalates, and lead, which are known to theState of California to cause cancer and birthdefects or other reproductive harm. To mini-mize exposure, avoid breathing exhaust, donot idle the engine except as necessary, serv-ice your vehicle in a well ventilated area andwear gloves or wash your hands frequentlywhen servicing your vehicle. For more infor-mation go to www.P65Warnings.ca.gov/passenger-vehicle.
Use the vehicle's connection points in the enginecompartment to connect an external start batteryor battery charger.
The battery terminals on the car's start battery inthe luggage/cargo area must not be used.
17An authorized Volvo workshop is recommended.

MAINTENANCE AND SERVICE
578
Hybrid battery
The vehicle's electric motor is powered by arechargeable, maintenance-free, lithium-ionhybrid battery.

NOTE
The vehicle cannot be started if the hybridbattery is discharged.

NOTE
If both the starter battery and the hybrid bat-tery are discharged, both batteries must becharged. In such cases, it is not possible tocharge only the hybrid battery first.
The starter battery must have a certain levelof charge for it to be possible to charge thehybrid battery.

WARNING
Hybrid battery replacement may only be per-formed by a workshop – an authorized Volvoworkshop is recommended.

Coolant
The hybrid battery's cooling system has its ownexpansion tank.
CAUTION
Filling the hybrid battery coolant should onlybe performed by a workshop – an authorizedVolvo workshop is recommended.

Specifications for hybrid battery
Type: Lithium-ion
Power reserve: 10.4 kWh.

NOTE
The capacity of the hybrid battery decreaseswith age and use, which could result inincreased use of the combustion engine,leading to higher fuel consumption andreduced electric motor range.
Related information
Battery symbols (p. 579)
Start battery (p. 574)
Charging the hybrid battery (p. 375)
Battery recycling (p. 579)

MAINTENANCE AND SERVICE
580
Fuses and fuseboxes
All electrical functions and components are pro-tected by a number of fuses in order to protectthe vehicle's electrical system from damage byshort circuiting or overloading.

WARNING
Never use a foreign object or a fuse with ahigher amperage than that specified toreplace a fuse. This could cause significantdamage to the electrical system and possiblylead to a fire.

WARNING
Orange wiring may only be handled by quali-fied personnel.

WARNING
A number of electrical components in TwinEngine Plug-in Hybrid vehicles use high-volt-age current and can be extremely dangerousif handled incorrectly.
Do not touch anything that is not clearlydescribed in the vehicle's Owner's Manual.
If any electrical component or function is notresponding, the component may have blown afuse due to temporary overload. If the same fuseblows repeatedly, there may be a problem withthe component. Volvo recommends contacting an
authorized Volvo workshop to have the compo-nent checked.
Location of fuseboxes
The illustration is generic - appearance may vary accord-ing to vehicle model.
Engine compartment
Under the glove compartment
Trunk/cargo compartment

Related information
Replacing fuses (p. 580)
Fuses in the trunk (p. 589)
Fuses in the engine compartment (p. 582)
Fuses under the glove compartment(p. 586)
Replacing fuses
All electrical functions and components are pro-tected by a number of fuses in order to protectthe vehicle's electrical system from damage byshort circuiting or overloading.
1. Refer to the fuse diagram to locate the fuse.
2.Pull out the fuse and examine it from theside to determine if the curved metal wire inthe fuse is intact.
3. If the wire is broken, replace the fuse with anew fuse of the same color and amperage.
WARNING
Never use a foreign object or a fuse with ahigher amperage than that specified toreplace a fuse. This could cause significantdamage to the electrical system and possiblylead to a fire.

WARNING
Contact an authorized Volvo workshop forassistance replacing fuses not listed in theOwner's Manual. If performed incorrectly, sig-nificant damage can be caused to the electri-cal system.

Related information
Fuses and fuseboxes (p. 580)
Fuses in the trunk (p. 589)

MAINTENANCE AND SERVICE
581
Fuses in the engine compartment (p. 582)
Fuses under the glove compartment(p. 586)

MAINTENANCE AND SERVICE
582
Fuses in the engine compartment
The fuses in the engine compartment help pro-tect electrical components such as engine andbrake functions.

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MAINTENANCE AND SERVICE
* Option/accessory.584
FunctionAmpere
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––
––
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Headlight washers*25
Windshield washer25
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Horn20
Alarm siren*5
Brake system control module(valves, parking brake)40
Wipers30
––
––
Parking heater*20
Brake system control module(ABS pump)40
FunctionAmpere
––
––
Fed when ignition is on:Engine control module; trans-mission components, electricalpower steering, central electri-cal module
5
Exterior vehicle sound (certainmarkets)5
Right-side headlight7.5
Right-side headlight, some
models with LEDA15
––
––
––
Airbags5
Left-side headlight7.5
Left-side headlight, some
models with LEDA15
Accelerator pedal sensor 5
FunctionAmpere
Transmission control module;gear selector control module15
Engine control module5
––
––
––
––
Engine control module; actua-tor; throttle unit; turbo-chargervalve
20
Solenoids; valve; engine cool-ing system thermostat10
Vacuum regulators; valve 7.5
Spoiler shutter control module;radiator shutter control mod-ule
5
––
Heated oxygen sensor, front;heated oxygen sensor, rear15
Oil pump solenoid; A/C mag-netic coupling; heated oxygensensor (center)
15

MAINTENANCE AND SERVICE
585
FunctionAmpere
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Engine control module20
Ignition coils; spark plugs 15
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Transmission oil pump controlmodule30
Vacuum pump control module 40
Transmission actuator25
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ALED (Light Emitting Diode)

Related information
Fuses and fuseboxes (p. 580)
Replacing fuses (p. 580)