HYUNDAI SONATA HYBRID 2023 Owners Manual

Maintenance8-42
Fuse/Relay Panel Description
Instrument panel fuse panel
ODN8089020ODN8089020
Inside the fuse/relay box cover, you can
find the fuse/relay label describing fuse/
relay names and ratings.
Information
Not all fuse panel descriptions in this
manual may be applicable to your vehicle;
the information is accurate at the time of
printing. When you inspect the fuse box on
your vehicle, refer to the fuse box label.
ODN8H080060NODN8H080060N

08
8-43
Instrument panel fuse panel
Fuse Name(A)
Circuit Protected
S/HEATER (FRT) 25A
Front Seat Warmer Control Module, Front Air Ventilation Seat
Control Module
TRUNK 10A
ICU Junction Block (Trunk Lid Relay)
DOOR LOCK 20AICU Junction Block (Door Lock Relay, Door Unlock Relay, Two
Turn Unlock Relay)
MODULE1 7.5A
Key Solenoid
CHILD LOCK 15AICU Junction Block (Power Child Lock Relay,
Power Child Unlock Relay)
MODULE3 10ADriver Door Moudle, Passenger Seat Relax Unit,
Hazard Switch, Crash Pad Switch (Up),
Front Mood Lamp Unit, Start/Stop Button Switch,
Driver/Passenger Smart Key Outside Handle
S/HEATER (RR) 25A
Rear Seat Warmer Control Module
P/SEAT (PASS) 30A
Passenger Seat Manual Switch, Passenger Seat Relax Unit
MODULE6 10A
Driver Door Module
SAFETY
P/WINDOW (RH) 30A
Passenger Safety Power Window Module,
Rear Power Window Switch RH
P/SEAT (DRV) 30A
Driver Seat Manual Switch, Driver IMS Module
IBU1 15AIBU, Driver/Passenger Door NFC Module, IAU,
BLE Unit, Ignition Switch
AMP 25A
AMP, DC-DC Converter (AMP)
SAFETY
P/WINDOW (LH) 30A
Driver Safety Power Window Module,
Rear Power Window Switch LH
BRAKE
SWITCH 10A
IBU, Stop Lamp Switch
SUNROOF2 20A
Panorama Sunroof, Data Link Connector
AIR BAG2 10A
SRS Control Module
AIR BAG1 15A
SRS Control Module, Passenger Occupant Detection Sensor
E-SHIFTER1 10A
SCU, Electronic ATM Shift Lever
MEMORY 10ADriver IMS Module, Security Indicator, A/C Switch,
Driver/Passenger Power Outside Mirror,
A/C Control Module, Instrument Cluster,
Rain Sensor, Head-Up Display

Maintenance
8-44
Instrument panel fuse panel
Fuse Name(A)
Circuit Protected
E-CALL 10A
Emergency Call
MULTI MEDIA 15AAudio, A/V & Navigation Head Unit,
DC-DC Converter (AMP/Audio)
SUNROOF1 20A
Panorama Sunroof
MODULE7 10AFront Console Switch, Lane Keeping Assist Unit, IBU,
Crash Pad Switch (Up/Down),
Parking Collision Avoidance Assist Unit,
Remote Control Smart Parking Assist Unit
MODULE5 10A
Stop Lamp Switch
MODULE8 10AFront Seat Warmer Control Module,
Front Air Ventilation Seat Control Module,
Passenger Seat Relax Unit, AMP,
Rear Seat Warmer Control Module, Driver IMS Module,
Audio, A/V & Navigation Head Unit
E-SHIFTER2 10A
SCU, Electronic ATM Shift Lever
MODULE2 10AIAU, Parking Collision Avoidance Assist Unit,
Cooling Fan Motor, Passenger Seat Relax Unit,
Rear Seat Warmer Control Module
MDPS 7.5A
MDPS Unit
EWP 10A
Electrical Water Pump
A/C 7.5AA/C Control Module, A/C Switch,
E/R Junction Block (Blower Relay, PTC Heater Relay)
MODULE4 10AFront USB Charger, Rear USB Charger, AMP, IBU,
IAU, Parking Collision Avoidance Assist Unit, Audio,
DC-DC Converter (AMP/Audio), A/V & Navigation,
Head Unit, Surround View Monitor Unit
MODULE9 7.5A
IBU
CLUSTER 10A
Instrument Cluster, Head-Up Display
WASHER 15A
Multifunction Switch
START 7.5APCM/ECM, E/R Junction Block (Start Relay),
ICU Junction Block (B/Alarm Relay)
POWER
OUTLET 20A
Front Power Outlet
IBU2 7.5A
IBU
A/BAG IND 7.5A
Instrument Cluster, Overhead Console Lamp (Lamp)

08
8-45
Engine compartment fuse panel
ODN8H089059ODN8H089059
Inside the fuse/relay box cover, you can
find the fuse/relay label describing fuse/
relay names and ratings.
Information
Not all fuse panel descriptions in this
manual may be applicable to your vehicle;
the information is accurate at the time of
printing. When you inspect the fuse panel
in your vehicle, refer to the fuse panel
label.
ODN8H082022NODN8H082022N

Maintenance
8-46
Instrument panel fuse panel
Fuse Name(A)
Circuit Protected
S/HEATER (FRT) 25A
Front Seat Warmer Control Module, Front Air Ventilation Seat
Control Module
TRUNK 10A
ICU Junction Block (Trunk Lid Relay)
DOOR LOCK 20AICU Junction Block (Door Lock Relay, Door Unlock Relay, Two
Turn Unlock Relay)
MODULE1 7.5A
Key Solenoid
MODULE3 10ADriver Door Moudle, Passenger Seat Relax Unit,
Hazard Switch, Crash Pad Switch (Up),
Front Mood Lamp Unit, Start/Stop Button Switch,
Driver/Passenger Smart Key Outside Handle
S/HEATER (RR) 25A
Rear Seat Warmer Control Module
P/SEAT (PASS) 30A
Passenger Seat Manual Switch, Passenger Seat Relax Unit
MODULE6 10A
Driver Door Module
SAFETY
P/WINDOW (RH) 30A
Passenger Safety Power Window Module,
Rear Power Window Switch RH
P/SEAT (DRV) 30A
Driver Seat Manual Switch, Driver IMS Module
IBU1 15AIBU, Driver/Passenger Door NFC Module, IAU,
BLE Unit, Ignition Switch
AMP 25A
AMP, DC-DC Converter (AMP)
SAFETY
P/WINDOW (LH) 30A
Driver Safety Power Window Module,
Rear Power Window Switch LH
BRAKE
SWITCH 10A
IBU, Stop Lamp Switch
SUNROOF2 20A
Panorama Sunroof, Data Link Connector
AIR BAG2 10A
SRS Control Module
AIR BAG1 15A
SRS Control Module, Passenger Occupant Detection Sensor
E-SHIFTER1 10A
SCU, Electronic ATM Shift Lever
MEMORY 10ADriver IMS Module, Security Indicator, A/C Switch,
Driver/Passenger Power Outside Mirror,
A/C Control Module, Instrument Cluster,
Rain Sensor, Head-Up Display

08
8-47
Instrument panel fuse panel
Fuse Name(A)
Circuit Protected
MULTI MEDIA 15AAudio, A/V & Navigation Head Unit,
DC-DC Converter (AMP/Audio)
SUNROOF1 20A
Panorama Sunroof
MODULE7 10AFront Console Switch, Lane Keeping Assist Unit, IBU,
Crash Pad Switch (Up/Down),
Parking Collision Avoidance Assist Unit,
Remote Control Smart Parking Assist Unit
MODULE5 10A
Stop Lamp Switch
MODULE8 10AFront Seat Warmer Control Module,
Front Air Ventilation Seat Control Module,
Passenger Seat Relax Unit, AMP,
Rear Seat Warmer Control Module, Driver IMS Module,
Audio, A/V & Navigation Head Unit
E-SHIFTER2 10A
SCU, Electronic ATM Shift Lever
MODULE2 10AIAU, Parking Collision Avoidance Assist Unit,
Cooling Fan Motor, Passenger Seat Relax Unit,
Rear Seat Warmer Control Module
MDPS 7.5A
MDPS Unit
EWP 10A
Electrical Water Pump
A/C 7.5AA/C Control Module, A/C Switch,
E/R Junction Block (Blower Relay, PTC Heater Relay)
MODULE4 10AFront USB Charger, Rear USB Charger, AMP, IBU,
IAU, Parking Collision Avoidance Assist Unit, Audio,
DC-DC Converter (AMP/Audio), A/V & Navigation,
Head Unit, Surround View Monitor Unit
MODULE9 7.5A
IBU
CLUSTER 10A
Instrument Cluster, Head-Up Display
WASHER 15A
Multifunction Switch
START 7.5APCM/ECM, E/R Junction Block (Start Relay),
ICU Junction Block (B/Alarm Relay)
POWER
OUTLET 20A
Front Power Outlet
IBU2 7.5A
IBU
A/BAG IND 7.5A
Instrument Cluster, Overhead Console Lamp (Lamp)

Maintenance
8-48
Engine compartment fuse panel
Fuse Name(A)
Circuit Protected
MULTI
FUSE-1 IG2
30A
E/R Junction Block (Start Relay), PCB Block (IG2 Relay)
IEB3 40A
ESC Module
B+2 50A
ICU Junction Block (IPS4, IPS3, IPS1, Fuse – AMP, IBU1)
PTC HEATER2 50A
E/R Junction Block (PTC Heater Relay)
B+3 50A
ICU Junction Block (IPS5, IPS7, IPS9, IPS10, IPS8, IPS6)
BLOWER 50A
E/R Junction Block (Blower Relay)
COOLING FAN 80A
Cooling Fan Motor
MDPS 80A
MDPS Unit
MULTI
FUSE-2 E-SHIFTER
30A
SCU
IG1 40A
PCB Block (IG1 Relay, ACC Relay)
PTC HEATER1 50A
E/R Junction Block (PTC Heater Relay)
REAR HEATED 50A
E/R Junction Block (Rear Heated Relay)
IEB2 60A
ESC Module
B+5 60APCB Block (Engine Control Relay, Fuse – A/C1,
WIPER1, TCU1, HORN, ECU2)
B+1 60AICU Junction Block (Fuse – P/SEAT (DRV),
P/SEAT (PASS), MODULE1, SAFETY P/WINDOW (LH),
SAFETY P/WINDOW (RH), S/HEATER (RR))

08
8-49
Engine compartment fuse panel
Fuse Name(A)
Circuit Protected
FUSE HEATED
MIRROR 10A
Driver/Passenger Power Outside Mirror, A/C Switch,
A/C Control Module, ECM
IG3 2 10A
IG3
BATTERY
MANAGEMENT 10A
Battery Management
HEV ECU 1 10A
HEV ECU
EWP1 10A
Electrical Water Pump
BATTERY C/FAN 15A
Battery Cooling Fan
OPCU1 20A
Oil Pump Control Unit
IG3 1 20A
IG3
FUEL PUMP 1 20A
E/R Junction Block (Fuel Pump Relay)
IG3 3 10A
IG3
B+4 60AICU Junction Block (Long Term Load Latch Relay,
Fuse – MODULE3, AIR BAG2, E-SHIFTER1, SUNROOF1,
SUNROOF2, S/HEATER (FRT), TRUNK, BRAKE SWITCH,
DOOR LOCK)
IEB1 60A
ESC Module

Maintenance8-50
LIGHT BULBS
Consult an authorized HYUNDAI dealer
to replace most vehicle light bulbs. It is
difficult to replace vehicle light bulbs
because other parts of the vehicle must
be removed before you can get to the
bulb. This is especially true for removing
the headlight assembly to get to the
bulb(s).
Removing/installing the headlight
assembly can result in damage to the
vehicle.
WARNING
• Prior to working on a light, depress
the foot brake, shift to P (Park), apply
the parking brake, press the Engine
Start/Stop button to the OFF position
and take the key with you when
leaving the vehicle to avoid sudden
movement of the vehicle and to
prevent possible electric shock.
• Be aware the bulbs may be hot and
may burn your fingers.
NOTICE
Be sure to replace the burned-out bulb
with one of the same wattage rating.
Otherwise, it may cause damage to the
fuse or electrical wiring system.
NOTICE
To prevent damage, do not clean the
headlight lens with chemical solvents
or strong detergents.
Information
The headlight and tail lamp lenses could
appear frosty if the vehicle is washed after
driving or the vehicle is driven at night in
wet weather. This condition is caused by
temperature difference between the lamp
inside and outside and, it does not indicate
a problem with your vehicle. When
moisture condenses in the lamp, it will be
removed after driving with the headlight
on. The removable level may differ
depending on lamp size, lamp position
and environmental condition. However, if
moisture is not removed, have the vehicle
inspected by an authorized HYUNDAI
dealer.
Information - Headlight
desiccant (if equipped)
This vehicle is equipped with desiccant to
reduce fogging inside the headlight due to
moisture.
The desiccant is consumable and its
performance may change based on the
used period or environment.
If fogging inside the headlight due to
moisture continues for a long time, consult
an authorized HYUNDAI dealer.

08
8-51
Information
• A normally functioning lamp may
flicker momentarily to stabilize the
vehicle’s electrical control system.
However, if the lamp goes out after
flickering momentarily, or continues to
flicker, have the system checked by an
authorized HYUNDAI dealer.
• The position lamp may not turn on
when the position lamp switch is turned
on, but the position lamp and headlight
switch may turn on when the headlight
switch is turned on. This may be caused
by network failure or vehicle electrical
control system malfunction. If this
occurs, have the system checked by an
authorized HYUNDAI dealer.
Information
The headlight aiming should be adjusted
after an accident or after the headlight
assembly is reinstalled at an authorized
HYUNDAI dealer.
Headlight, Parking Lamp,
Daytime Running Light, Turn
Signal Lamp and Side Marker
Replacement
Type A
ODN8H080027NODN8H080027N
(1) Headlight (High)
(2) Headlight (Low)
(3) Auxiliary Lamp
(4) Daytime running lamp (DRL)/Position
lamp/Turn signal lamp
(5) Side marker