Volvo XC40 (2021 year). Manual in english — page 33
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MAINTENANCE AND SERVICE
566
WARNING
If the starter battery is disconnected, the
function for automatic opening and closing
must be reset to function correctly. A reset
is required in order for the pinch protection
to work.
On certain models, the battery is secured
with a tensioning strap. Make sure that the
tensioning strap is always securely tight-
ened.
Specifications for starter battery
Battery type
H6 AGM
Voltage (V)
12
Cold start capacity
A
- CCA
B
(A)
760
Dimensions, L×W×H
278×175×190 mm (10.9×6.9×7.5 inches)
Capacity (Ah)
70
A
According to EN standard.
B
Cold Cranking Amperes.
Volvo recommends that batteries are replaced
by an authorized Volvo workshop.
If replacing the battery, make sure you
replace it with a battery of the same size,
cold start capacity and type as the original
battery (see the decal on the battery).
Related information
•
•
•
Jump starting using another battery
(p. 410)
•
Reset procedure for pinch protection
(p. 160)
•
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MAINTENANCE AND SERVICE
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567
Support battery
Vehicles with the Start/Stop function are
equipped with two batteries – a more power-
ful 12 V start battery and a support battery
that provides stronger current during the
function's start sequence.
The 12 V support battery is located in the engine
compartment. The start battery is also shown here
(top).
If the vehicle is instead equipped with a 48 V support
battery, it is located to the left in the cargo compart-
ment. Only an authorized workshop may handle the
48 V support battery.
WARNING
High voltage may be dangerous if handled
incorrectly. Do not touch anything on bat-
teries that is not clearly described in this
•
Never use a 48 V support battery to
jump start the vehicle.
•
External electrical equipment may not
under any circumstance be connected
to the 48 V battery.
•
Only a workshop may replace or per-
form service on the 48 V battery – an
authorized Volvo workshop is recom-
mended.
•
The higher the current consumption in
the vehicle, the more the alternator has
to work and the batteries have to be
charged = increased fuel consumption.
•
When the starter battery capacity has
dropped below the lowest permissible
level, the Start/Stop function is disen-
gaged.
When the Start/Stop function is temporarily
reduced due to high current consumption:
•
The engine will auto-start, even if the
driver does not lift their foot from the
brake pedal.
The support battery does not normally require
more service than the start battery. If you have
any questions or concerns, consult a work-
shop
‒
an authorized Volvo workshop is rec-
ommended.
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MAINTENANCE AND SERVICE
568
If the following is not observed, the Start/
Stop function may temporarily stop work-
ing after connection of an external starter
battery or battery charger:
•
The negative battery terminal of the
vehicle's starter battery must
never
be
used to connect an external starter
battery or battery charger – only the
vehicle's negative charging point
should be used as a grounding point.
If the starter battery has been discharged
to the extent that the vehicle does not have
normal electrical functions and the engine
must then be jump-started with an external
battery or a battery charger, the Start/Stop
function may remain activated. If the Start/
Stop function shortly thereafter auto-stops
the engine, there is a huge risk that auto-
start of the engine will fail due to insuffi-
cient battery capacity since the battery had
not had time to recharge.
If the vehicle has been jump-started or if
there has not been enough time for the
battery to be charged with a battery
charger, the Start/Stop function should be
temporarily deactivated until the battery
has been recharged by the vehicle. At an
ambient temperature of about +15°C
(about 60°F), the battery must be charged
by the vehicle for at least one hour. At
lower ambient temperatures, the charging
time can increase to 3-4 hours. It is advisa-
ble to charge the battery with an external
battery charger.
Specifications for support battery
Type
AGM
Voltage (V)
12
Cold start capacity
A
-
CCA
B
(A)
170
Dimensions, L×W×H
150×90×130 mm
(5.9×3.5×5.1
inches)
Capacity (Ah)
10
A
According to EN standard.
B
Cold Cranking Amperes.
If replacing the battery, make sure you
replace it with a battery of the same size,
cold start capacity and type as the original
battery (see the decal on the battery).
Related information
•
•
•
•
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MAINTENANCE AND SERVICE
569
Battery symbols
There are warning symbols and information
on the batteries.
Wear protective goggles.
for additional information.
Keep batteries away from
children.
Batteries contain corro-
sive acid.
Avoid smoking, open
flames, and/or sparks.
Risk of explosion.
Recycle properly.
Related information
•
•
•
Battery recycling
Start batteries and support batteries must be
recycled in an environmentally sound manner
at the end of their service life.
Consult a workshop if you are uncertain of
how to dispose of this type of waste
‒
an
authorized Volvo workshop is recommended.
Related information
•
•
•
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MAINTENANCE AND SERVICE
570
Fuses and fuseboxes
All electrical functions and components are
protected by a number of fuses in order to
protect the vehicle's electrical system from
damage by short circuiting or overloading.
WARNING
Never use a foreign object or a fuse with a
higher amperage than that specified to
replace a fuse. This could cause significant
damage to the electrical system and possi-
bly lead to a fire.
If any electrical component or function is not
responding, the component may have blown a
fuse due to temporary overload. If the same
fuse blows repeatedly, there may be a prob-
lem with the component. Volvo recommends
contacting an authorized Volvo workshop to
have the component checked.
Location of fuseboxes
Engine compartment
Under the left front seat
Related information
•
•
Fuses in the engine compartment
(p. 572)
•
Fuses under the left front seat (p. 578)
Replacing fuses
All electrical functions and components are
protected by a number of fuses in order to
protect the vehicle's electrical system from
damage by short circuiting or overloading.
1. Refer to the fuse diagram to locate the
fuse.
2. Pull out the fuse and examine it from the
side to determine if the curved metal wire
in the fuse is intact.
3. If the wire is broken, replace the fuse with
a new fuse of the same color and amper-
age.
WARNING
Never use a foreign object or a fuse with a
higher amperage than that specified to
replace a fuse. This could cause significant
damage to the electrical system and possi-
bly lead to a fire.
WARNING
Contact an authorized Volvo workshop for
assistance replacing fuses not listed in the
performed incorrectly, significant damage
can be caused to the electrical system.
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MAINTENANCE AND SERVICE
572
Fuses in the engine compartment
The fuses in the engine compartment help
protect electrical components such as engine
and brake functions.
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MAINTENANCE AND SERVICE
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* Option/accessory.
573
Fuse pliers are provided on the inside of the
fuse box cover to assist in removing and
inserting fuses.
There are also spaces for several extra fuses in
the fusebox.
Positions
There is a decal with a diagram of the loca-
tions of the fuses on the inside of the cover.
Function
Ampere
Type
USB port tunnel console, rear
*
5
Micro
Double USB port tunnel console, rear
*
7.5
Micro
12 V outlet in tunnel console, front
15
Micro
–
–
Micro
12 V outlet in trunk/cargo compartment
*
15
Micro
Engine control module
20
Micro
Ignition coils; spark plugs
15
Micro
Solenoids (gasoline); valve; Engine cooling system thermostat (gasoline); EGR cooling pump (diesel); glow control
module (diesel)
Engine control module
15
Micro
Solenoids (gasoline); Valve; Engine cooling system thermostat (gasoline); EGR cooling pump (diesel); Glow control
module (diesel); Vacuum regulators; Valve; Valve for power pulse (diesel)
Valves for cooling
A
10
15
A
Micro
Heated oxygen sensor, center (gasoline); Heated oxygen sensor, rear (diesel)
15
Micro
Nitrous oxide sensor (diesel); Engine control module
15
Micro
Coolant pump
20
Micro
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MAINTENANCE AND SERVICE
* Option/accessory.
574
Function
Ampere
Type
Right-side headlight
20
Micro
Left-side headlight
20
Micro
Airbags
5
Micro
Accelerator pedal sensor
5
Micro
Fed when ignition is on: engine control module, transmission components, electrical power steering, central electrical
module, brake system control module
5
Micro
Auxiliary electric heater
*
OBD-II firewall
5
Micro
–
–
Micro
–
–
Micro
Internal relay windings
5
Micro
–
–
Micro
Brake pedal sensor
5
Micro
Calculation module
5
Micro
Control module for actuator for engaging/changing gears, automatic transmission
5
Micro
Hydraulic clutch actuator
25
Micro
Transmission control module
15
Micro
Hydraulic clutch actuator
25
Micro
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MAINTENANCE AND SERVICE
}}
* Option/accessory.
575
Function
Ampere
Type
Engine control module
5
Micro
–
–
Micro
–
–
Micro
Horn
20
Micro
Alarm siren
*
5
Micro
Wipers
30
MCase
B
Brake system control module (valves, parking brake)
40
MCase
B
Brake system control module (ABS pump)
40
MCase
B
–
–
MCase
B
Transmission actuator
25
MCase
B
Transmission actuator
30
MCase
B
–
–
–
Right-hand headlight; Left-hand headlight
30
MCase
B
Brake control with 48 V battery
30
MCase
B
–
–
MCase
B
Towbar
*
control module
25
MCase
B
Towbar
*
control module
40
MCase
B
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MAINTENANCE AND SERVICE
* Option/accessory.
576
Function
Ampere
Type
–
–
MCase
B
Power driver seat
*
20
MCase
B
–
–
MCase
B
–
–
Micro
–
–
Micro
–
–
Micro
–
–
Micro
–
–
Micro
Fuel filter heater (diesel)
30
MCase
B
–
–
MCase
B
–
–
MCase
B
Support battery check function
5
Micro
Left-side headlight
20
Micro
Right-side headlight
20
Micro
A
Gasoline engines generation 3 (VEP4_G3).
B
This type of fuse should be replaced by a workshop. An authorized Volvo workshop is recommended.
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MAINTENANCE AND SERVICE
577
Related information
•
•
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MAINTENANCE AND SERVICE
578
Fuses under the left front seat
Fuses under the left front seat provide pro-
tection for e.g. electrical outlets, displays and
door modules.
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MAINTENANCE AND SERVICE
}}
* Option/accessory.
579
There are spaces for several extra fuses in the
distribution box in the engine compartment
.
Fuse pliers are provided on the inside of the
fuse box cover to assist in removing and
inserting fuses.
Positions
There is a decal with a diagram of the loca-
tions of the fuses on the inside of the cover.
Function
Ampere
Type
Infotainment control module (amplifier)
A
40
MCase
B
Central Electric Module A: Sensors, radar sensors, power seats
*
40
MCase
B
Central Electric Module B: Sensors, radar sensors, power seats
*
40
MCase
B
Climate system blower module (front)
40
MCase
B
Power tailgate
*
25
MCase
B
Power seat
*
, right
20
MCase
B
Parking heater
*
25
MCase
B
Control module for reduction of nitrous oxides (diesel)
30
MCase
B
Door module in right-side rear door
20
Micro
Door module in left-side rear door
20
Micro
Door module in left-side front door
20
Micro
–
–
Micro
Door module in right-side front door
20
Micro
Seat heating, rear
*
15
Micro
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MAINTENANCE AND SERVICE
* Option/accessory.
580
Function
Ampere
Type
48 V battery module
5
Micro
Calculation module
5
Micro
Control module for reduction of nitrous oxides (diesel)
15
Micro
–
–
Micro
Climate system control module
7.5
Micro
Interior movement sensors
*
5
Micro
Instrument panel
5
Micro
Center console buttons
5
Micro
Steering wheel module
5
Micro
Module for start knob; Electronic gear module; Electronic parking brake
5
Micro
Center display
5
Micro
Control module for Internet-connected vehicle; Control module for Volvo On Call
5
Micro
Multi-band antenna module
5
Micro
Relay coils
5
Micro
Foot movement detection module for opening the power tailgate
*
5
Micro
Sensus control module
TV
*
C
15
Micro
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MAINTENANCE AND SERVICE
}}
* Option/accessory.
581
Function
Ampere
Type
Data link connector OBD-II
10
Micro
–
–
Micro
Lock motor for rear seat head restraint, left side
15
Micro
Lock motor for rear seat head restraint, right side
15
Micro
Heated rear window
30
MCase
B
Seat belt tensioner module (left side)
40
MCase
B
Seat belt tensioner module (right side)
40
MCase
B
Humidity sensor
48 V generator and voltage converter
5
Micro
Fuel pump control module
20
Micro
Coolant pump
7.5
Micro
Heated steering wheel
*
module
15
Micro
Air humidity sensors
5
Micro
Headlight washers
*
25
MCase
B
Windshield and tailgate window washers
25
MCase
B
–
–
MCase
B
–
–
MCase
B
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