MAINTENANCE AND SERVICE
568
Engine compartment overview
This overview shows some service-related com-ponents.
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 maintenance.
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 this Owner's Manual.
Be careful when checking/filling fluids inthe engine compartment.
The layout of the engine compartment may vary depend-ing on model and engine variant.
Coolant expansion tank
Brake fluid reservoir (located on the driver'sside)
Washer fluid filler pipe12
Fusebox
Air filter
Engine oil filler pipe
WARNING
Bear in mind that the cooling fan (located atthe front of the engine compartment behindthe radiator) may start or continue runningautomatically up to about 6 minutes after theengine is turned off.
Always entrust engine washing to a workshop– an authorized Volvo workshop is recom-mended. If the engine is hot, there is a risk offire.
WARNING
The ignition system works with extremely highand dangerous voltages. The vehicle electricalsystem should always be in ignition mode 0when work in being performed in the enginecompartment.
Do not touch any spark plugs or ignition coilswhen the vehicle electrical system is in igni-tion mode II or when the engine is warm.
Related information
Opening and closing the hood (p. 566)
Filling washer fluid (p. 609)
Refilling coolant (p. 571)
Fuses in the engine compartment (p. 582)
Checking and filling engine oil (p. 570)
Ignition modes (p. 395)
12Fill the washer fluid at regular intervals, e.g. when refueling.
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MAINTENANCE AND SERVICE
* Option/accessory.584
FunctionAmpere
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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
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Parking heater*20
Brake system control module(ABS pump)40
FunctionAmpere
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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
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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
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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
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Heated oxygen sensor, front;heated oxygen sensor, rear15
Oil pump solenoid; A/C mag-netic coupling; heated oxygensensor (center)
15
