2020 VOLVO XC90 TWIN ENGINE maintenance

MAINTENANCE AND SERVICE
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621
Fuses in the engine compartment The fuses in the engine compartment help protect electrical components such as engineand brake functions.

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MAINTENANCE AND SERVICE
622Fuse pliers are provided on the inside of the fuse box cover to assist in removing andinserting fuses.
There are also spaces for several extra fuses inthe fusebox.
PositionsThere is a decal with a diagram of the loca-tions of the fuses on the inside of the cover.
Function
Ampere Type
– – Micro
–– Micro
–– Micro
Control module for actuator for engaging/changing gears, automatic transmission 5 Micro
High-voltage coolant heater control module5 Micro
Control module for A/C; heat exchanger cut-off valve; cut-off valve for coolant through the climate system 5 Micro
Hybrid battery control module; high-voltage converter for combined high-voltage generator/starter motor with 500 V– 12 V voltage converter5 Micro
–
– Micro
Converter for controlling feed to rear axle electric motor10 Micro
Hybrid battery control module; high-voltage converter for combined high-voltage generator/starter motor with 500 V– 12 V voltage converter10 Micro
Charge module
5 Micro
Cut-off valve for hybrid battery coolant; coolant pump 1 for hybrid battery15 Micro
Coolant pump for electric drive system15 Micro

MAINTENANCE AND SERVICE
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* Option/accessory.623
Function Ampere Type
Hybrid component cooling fan 25
MCaseA
–
– MCase
–– MCase
–– MCase
Calculation module 5 Micro
–– Micro
–– Micro
–– Micro
–– Micro
–– Micro
12 V outlet in tunnel console, front15 Micro
12 V outlet in tunnel console between second-row seatsB
12 V outlet in tunnel console, between rear seats C
; USB ports in tunnel console between rear seats C15 Micro
12 V outlet in trunk/cargo compartment
*
USB ports in head restraint right/left C 15 Micro
–
– Micro
Driver-side headlight, LEDD
15 Micro

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MAINTENANCE AND SERVICE
* Option/accessory.
624
Function Ampere Type
Passenger-side headlight, LED 15 Micro
– – Micro
–– MCase
–– MCase
Headlight washers* 25 MCase
Windshield washer
25 MCase
– – Micro
Horn20 Micro
Alarm siren* 5 Micro
Brake system control module (valves, parking brake)
40 MCase
Wipers30 MCase
Rear window washer 25 MCase
– – MCase
Parking heater* 20 MCase
Brake system control module (ABS pump)
40 MCase
– – MCase
–– MCase

MAINTENANCE AND SERVICE
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625
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
626
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

MAINTENANCE AND SERVICE
627
FunctionAmpere Type
– – MCase
–– MCase
A
This type of fuse should be replaced by a workshop. An authorized Volvo workshop is recommended.
B Not Excellence
C Excellence
D LED (Light Emitting Diode)
Related information
Fuses and fuseboxes (p. 619)
Replacing fuses (p. 619)

MAINTENANCE AND SERVICE
628
Fuses under the glove compartment Fuses under the glove compartment provide protection for e.g. electrical outlets, displaysand door modules.