MAINTENANCE AND SERVICE
599
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
Several components in the vehicle work with high voltage that can be hazardous in case ofan incorrect procedure.
• Do not touch anything that is not clearly described 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's side)
Washer fluid filler pipe 11
Fusebox
Air filter
Engine oil filler pipe
WARNING
Bear in mind that the cooling fan (located at the 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 high and dangerous voltages. The vehicle electrical system should always be in ignition mode
0
when work in being performed in the engine compartment. Do not touch any spark plugs or ignition coils when the vehicle electrical system is in igni- tion mode II or when the engine is warm.
Related information
• Opening and closing the hood (p. 597)
• Filling washer fluid (p. 640)
• Refilling coolant (p. 602)
• Fuses in the engine compartment (p. 612)
• Checking and filling engine oil (p. 601)
• Ignition modes (p. 417)
11
Fill the washer fluid at regular intervals, e.g. when refueling.
||
MAINTENANCE AND SERVICE
* Option/accessory.
614
FunctionAA
Left-side headlight, some mod- els with LED B 15
Right-side headlight, some mod- els with LED
B 15
– –
Heated windshield
*, left side Shunt
Heated windshield
*, left side 40
Headlight washers
*25
Windshield washer 25
– –
Horn 20
Alarm siren
* 5
Brake system control module (valves, parking brake) 40
Wipers 30
Rear window washer 25
Heated windshield
*, right side 40
Parking heater
* 20
FunctionAA
Brake system control module (ABS pump) 40
– –
Heated windshield
*, right side Shunt
Fed when ignition is on: Engine control module; transmissioncomponents, electrical powersteering, central electrical mod-ule 5
Exterior vehicle sound (certain markets)
5
Right-side headlight 7.5 Right-side headlight, some mod- els with LED
B 15
– –
– –
– –
Airbags 5
Left-side headlight 7.5 Left-side headlight, some mod- els with LED
B 15
FunctionAA
Accelerator pedal sensor 5
Transmission control module; gear selector control module 15
Engine control module 5
– –
– –
– –
– –
Engine control module; actuator; throttle unit; turbo-charger valve20
Solenoids; valve; engine cooling system thermostat10
Vacuum regulators; valve 7.5
Spoiler shutter control module; radiator shutter control module 5
– –
Heated oxygen sensor, front; heated oxygen sensor, rear15
Oil pump solenoid; A/C mag- netic coupling; heated oxygensensor (center)15
