KIA Optima Hybrid (2018 year). Instruction — part 30

Maintenance

60

8

FUSES

❈

Left side : Normal , Right side : Blown

A vehicle’s electrical system is pro-
tected from electrical overload dam-
age by fuses.
This vehicle has 2 (or 3) fuse panels,
one located in the driver’s side panel
bolster, the other in the engine com-
partment near the battery.
If any of your vehicle’s lights, acces-
sories, or controls do not work, check
the appropriate circuit fuse. If a fuse
has blown, the element inside the
fuse will melt.
If the electrical system does not
work, first check the driver’s side
fuse panel.
Always replace a blown fuse with
one of the same rating.
If the replacement fuse blows, this
indicates an electrical problem. Avoid
using the system involved and imme-
diately consult an authorized Kia
dealer.
Three kinds of fuses are used: blade
type for lower amperage rating, car-
tridge type, and multi fuse for higher
amperage ratings.

• Do not arbitrarily modify or add-on

electric wiring to the vehicle.

WARNING

- Fuse replace-

ment

• Never replace a fuse with any-

thing but another fuse of the
same rating.

• A higher capacity fuse could

cause damage and possibly a
fire.

• Never install a wire or alu-

minum foil instead of the
proper fuse - even as a tem-
porary repair. It may cause
extensive wiring damage and
a possible fire.

CAUTION

Do not use a screwdriver or any
other metal object to remove
fuses because it may cause a
short circuit and damage the
system.

OJF075021

■

Blade type

■

Cartridge type

■

Multi fuse

■

BFT

8 61

Maintenance

✽

✽

NOTICE

• When replacing fuse, turn the

ignition “OFF” and turn off
switches of all electrical devices
then remove battery (-) terminal.

• The actual fuse/relay panel label

may differ from equipped items.

Inner panel fuse replacement

1. Turn the engine start/stop button

to the OFF position and all other
switches off.

2. Open the fuse panel cover.
If the switch is located in the “OFF”
position, a caution indicator will be
displayed in the cluster.

OJF075022

WARNING

- Electrical Fire

Always ensure replacements
fuses and relays are securely
fastened when installed. Failure
to do so can result in a vehicle
fire.

CAUTION

• When replacing a blown fuse

or relay, make sure the new
fuse or relay fits tightly into
the clips. Failure to tightly
install the fuse or relay may
cause damage to the wiring
and electric systems.

• Do not remove fuses, relays

and terminals fastened with
bolts or nuts. The fuses, relays
and terminals may not be fas-
tened correctly which may
cause vehicle damage.

Maintenance

62

8

3. Pull the suspected fuse straight

out. Use the removal tool provided
on the engine compartment fuse
panel cover.

4. Check the removed fuse; replace it

if it is blown.

Spare fuses are provided in the
engine compartment fuse panel.

5. Push in a new fuse of the same

rating, and make sure it fits tightly
in the clips.

If it fits loosely, consult an authorized
Kia dealer.

If you do not have a spare, use a
fuse of the same rating from a circuit
you may not need for operating the
vehicle, such as the power outlet
fuse.
If the head lamp, turn signal lamp,
stop signal lamp, fog lamp, DRL, tail
lamp, HMSL do not work and the
fuses are OK, check the fuse panel
in the engine compartment. If a fuse
is blown, it must be replaced.

✽

✽

NOTICE

If the headlamp, fog lamp, turn sig-
nal lamp, or tail lamp malfunction
even without any problem to the
lamps, have the vehicle checked by
an authorized Kia dealer for assis-
tance.

OJFH075023

CAUTION -

Fuse Panel
Covers

• Set all switches to ON before

driving.

• If the vehicle is going to be

unused for over 1 month, set
all switches to OFF to prevent
the batteries from draining.

• The contact points of the

switches may wear out with
excessive use. Please refrain
from excessive use of the
switches (except for long-term
parking for over 1 month).

8 63

Maintenance

Fuse switch

Always set the fuse switch to the ON
position before using the vehicle.
If you move the switch to the OFF
position, some items such as audio
and digital clock must be reset and
transmitter (or smart key) may not
work properly. When the switch is
Off, the caution indicator will be dis-
played on the instrument cluster.
Always place the fuse switch in the
ON position while driving the vehicle.
If the switch is located in the “OFF”
position, a caution indicator will be
displayed in the cluster.

Engine compartment fuse
replacement

1. Turn the engine start/stop button

to the OFF position and all other
switches off.

2. Remove the fuse panel cover by

pressing the tab and pulling the
cover up. When the blade type
fuse is disconnected, remove it by
using the clip designed for chang-
ing fuses located in the engine
compartment fuse box. Upon
removal, securely insert reserve
fuse of the same rating.

3. Check the removed fuse; replace it

if it is blown. To remove or insert
the fuse, use the fuse puller in the
engine compartment fuse panel.

4. Push in a new fuse of the same

rating, and make sure it fits tightly
in the clips. If it fits loosely, consult
an authorized Kia dealer.

OJF075024

CAUTION

After checking the fuse panel in
the engine compartment,
securely install the fuse panel
cover through the audible click-
ing sound.
If not, electrical failures may
occur from water contact.

OJFH075025

Maintenance

64

8

Multi fuse

If the multi fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery

cable.

3. Remove the nuts shown in the pic-

ture above.

4. Replace the fuse with a new one

of the same rating.

5. Reverse these steps to reinstall

the multi fuse.

✽

✽

NOTICE

Do not disassemble nor assemble the
multi fuse when it is secured with
nuts and bolts. Incorrect or partial
assembly torque may cause a fire.
Have the vehicle checked by an
authorized Kia dealer.

Main fuse

If the main fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery

cable.

3. Remove the nuts shown in the pic-

ture above.

4. Replace the fuse with a new one

of the same rating.

5. Reverse these steps to reinstall

the main fuse.

OJFH075072

OJFH075168

8 65

Maintenance

✽

✽

NOTICE

The electronic system may not func-
tion correctly even when the engine
compartment and internal fuse
box’s individual fuses are not dis-
connected. In such case the cause of
the problem may be disconnection
of the main fuse (BFT type), which is
located inside the positive battery
terminal (+) cap.
Since the main fuse is designed more
intricately than other parts, have the
vehicle checked by an authorized
Kia dealer.

✽

✽

NOTICE

- Random wiring pro-

hibited when retrofitting equip-
ment

Use of random wiring in the vehicle
might cause danger due to failure
and damage of the vehicle’s per-
formance.
Using random wires especially when
retrofitting AVN or theft alarm sys-
tem, remote engine control, car
phone or radio might damage the
vehicle or cause fire.

✽

✽

NOTICE

- Remodeling

Prohibited

Do not try remodeling the vehicle in
any way. It is illegal, and may affect
the vehicle’s performance, durabili-
ty, and safety. Warranty is also not
provided for problems caused by
remodeling.
Be aware of safety problems caused
by remodeling the vehicle with
unauthorized electrical
devices(lamp, black box, electrical
equipment, diagnostic device, com-
munication device, etc.). It might
cause malfunction of the vehicle,
wiring damage, battery discharge,
connector damage, or fire. the vehi-
cle or cause fire.

CAUTION

Visually inspect the battery cap
to ensure it is securely closed.
If the battery cap is not securely
closed, moisture may enter the
system and damage the electri-
cal components.

Maintenance

66

8

Driver’s side fuse panel

Inside the fuse/relay panel covers,
you can find the fuse/relay label
describing fuse/relay name and
capacity.

✽

✽

NOTICE

Not all fuse panel descriptions in
this manual may be applicable to
your vehicle. It is accurate at the
time of printing. When you inspect
the fuse panel in your vehicle, refer
to the fuse panel label.

OJFH076169N

OJF075027

Fuse/relay panel description

8 67

Maintenance

Instrument panel (Driver’s side fuse panel)

Fuse Name

Fuse rating

Circuit Protected

MODULE 7

10A

Around View Monitor Unit, Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module,
Rear Seat Warmer Control Module

MODULE 5

10A

A/C Control Module, Electro Chromic Mirror, Driver IMS Module, Head Lamp LH/RH, Auto Head Lamp
Leveling Device Module, Fuel Lid & Trunk Open Switch, Shift Lever Indicator, Front Air Ventilation Seat
Control Module, Front Seat Warmer Control Module, Rear Seat Warmer Control Module

MODULE 6

10A

BCM, Smart Key Control Module

A/CON

10A

A/C Control Module, E/R Junction Block (RLY. 4 - Blower Relay), Ionizer, Active Incar Sensor, Electronic A/C
Compressor

START

10A

Transaxle Range Switch, Smart Key Control Module

A/BAG

15A

SRS Control Module, Passenger Occupant Detection Sensor

MODULE 3

10A

BCM, Stop Lamp Switch, AFLS Unit, Keyboard, VESS Unit, A/V & Navigation Head Unit, Sport Mode
Switch

MODULE 4

10A

Console Switch, Blind Spot Detection Radar LH/RH, Smart Parking Assist Control Module, Smart Cruise
Control Unit, Lane Keeping Assist Module, Active Air Flap Unit, Electric Parking Brake Module, BMS Control
Module

INTERIOR LAMP

10A

Trunk Room Lamp, Driver/Passenger Door Lamp, Glove Box Lamp, Driver/Passenger Smart Key Outside
Handle, Front Vanity Lamp Switch LH/RH, Overhead Console Lamp, Rear Personal Lamp LH/RH,
Driver/Passenger Foot Lamp, Room Lamp, Center Personal Lamp

Maintenance

68

8

Fuse Name

Fuse rating

Circuit Protected

MDPS

10A

MDPS Unit (Column/Rack)

IG1

25A

PCB Block (Fuse - OPCU2/ELECTRICAL WATER PUMP/TCU2/ACTIVE HYDRAULIC BOOTER 3/HEV
ECU2/ECU3)

MODULE 9

10A

Smart Key Control Module

WASHER

15A

Multifunction Switch (Wiper Low & Washer Switch)

MODULE 8

10A

Driver/Passenger Door Module

CLUSTER

10A

Instrument Cluster

MULTI MEDIA

15A

Audio, A/V & Navigation Head Unit, Keyboard

HTD STRG

15A

BCM (Steering Wheel Heated)

MODULE 1

10A

Console Switch, Active Air Flap Unit, Gateway, Driver/Passenger Door Module

DR LOCK

20A

Door Lock Relay, Door Unlock Relay, ICM Relay Box (Dead Lock Relay)

MEMORY 2

10A

Siren Control Module, Ultrasonic Instrusion Protection Sensor

SMART KEY

15A

Smart Key Control Module

8 69

Maintenance

Fuse Name

Fuse rating

Circuit Protected

A/BAG IND

10A

Instrument Cluster (Air Bag IND. Power)

TRUNK

10A

Trunk Lid Relay, Fuel Filler & Trunk Open Switch, ICM Relay Box (Fuel Filler Open Relay)

SUNROOF 2

20A

Sunroof Control Unit (Roller)

BATTERY

MANAGEMENT

10A

BMS Control Module

MEMORY 1

10A

Instrument Cluster, A/C Control Module, Data Link Connector, BCM, Wireless Charger, Driver IMS Module,
Rain Sensor, ICM Relay Box (Outside Mirror Folding/Unfolding Mirror Relay), Security Indicator, Auto Light
& Photo Sensor, Driver/Passenger Door Module

FOG LAMP

REAR

10A

ICM Relay Box (Rear Fog Lamp Relay)

GATEWAY

10A

Gateway

S/HEATER

REAR

25A

Rear Seat Warmer Control Module

SUNROOF 1

20A

Sunroof Control Unit (Glass)

S/HEATER

FRONT

25A

Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module

ECS

15A

Not Used

MODULE 2

10A

Audio, A/V & Navigation Head Unit, Keyboard, Wireless Charger, Around View Monitor Unit, AMP, Power
Outside Mirror Switch, Smart Key Control Module, BCM, Rear USB Charger, VESS Unit, E/R Junction Block
(RLY. 7 - Power Outlet Relay)

Maintenance

70

8

Fuse Name

Fuse rating

Circuit Protected

P/WDW RH

25A

Power Window RH Relay, Rear Safety Power Window Module LH, Rear Power Window Switch LH, Power
Window Main Switch,
[LHD] Passenger Safety Power Window Module
[RHD] Driver Safety Power Window Module

P/SEAT PASS

30A

Passenger Seat Manual Switch, Walk In Relay Module, Passenger Reclining Limit Switch

AMP

25A

AMP

BRAKE SWITCH

10A

Stop Lamp Switch, Smart Key Control Module, Start/Stop Button Switch

P/WDW LH

25A

Power Window LH Relay, Rear Safety Power Window Module RH, Rear Power Window Switch RH, Power
Window Main Switch,
[LHD] Driver Safety Power Window Module
[RHD] Passenger Safety Power Window Module

P/SEAT DRV

30A

Driver Seat Manual Switch, Driver IMS Module

POWER

OUTLET

20A

Front Power Outlet #1, Front Cigarette Lighter & Power Outlet #2

RR WIPER

15A

-

SPARE 1

10A

-

SPARE 2

10A

-

8 71

Maintenance

Engine compartment fuse panel
(For Hybrid)

OJFH076170N

OJFH075029

Maintenance

72

8

Engine compartment fuse panel
(For Plug-in Hybrid)

OJFHP076228N

OJFH075029

8 73

Maintenance

Fuse Name

Fuse rating

Circuit Protected

MULTI

FUSE

MDPS 1

80A

MDPS Unit (Column)

COOLING FAN

60A

RLY. 2 (Cooling Fan Relay)

B+5

50A

PCB Block (Engine Control Relay, Fuse -FUEL PUMP/ECU2/TCU1/HORN/WIPER1/BATTERY
C/FAN)

B+3

50A

Smart Junction Block (IPS 2 (IPS 5), IPS 3 (IPS 6), IPS 7, IPS 8)

REAR HEATED

50A

RLY. 11 (Rear Heated Relay)

ACTIVE

HYDRAULIC
BOOSTER 2

40A

Integrated Brake Actuation Unit

BLOWER

40A

RLY. 4 (Blower Relay)

POWER

OUTLET1

40A

RLY. 7 (Power Outlet Relay)

IG2

30A

PCB Block (IG2 Relay)

Engine room compartment fuse panel

Maintenance

74

8

Fuse Name

Fuse rating

Circuit Protected

MULTI

FUSE

B+1

60A

Smart Junction Block (Fuse - TRUNK, SUNROOF2, S/HEATER REAR, SUNROOF1, P/WDW RH,
P/SEAT PASS, P/WDW LH, P/SEAT DRV)

EEWP

60A

Engine Electric Water Pump

B+2

60A

Smart Junction Block (IPS 1, IPS 4, Fuse - FOG LAMP REAR, S/HEATER FRONT, AMP)

ACTIVE

HYDRAULIC
BOOSTER 1

40A

Integrated Brake Actuation Unit

IG1

40A

PCB Block (IG1/ACC Relay)

PTC

HEATER 1

50A

PTC HEATER

8 75

Maintenance

Fuse Name

Fuse rating

Circuit Protected

FUSE

EPB1

30A

Electric Parking Brake Module

H/Lamp Washer

30A

RLY. 9 (H/Lamp Washer Relay)

B+4

40A

Smart Junction Block (Leak Current Autocut Device Fuse - INTERIOR LAMP, MULTI MEDIA, MEM-
ORY2, MEMORY1, Fuse - MODULE1, DR LOCK, SMART KEY, BRAKE SWITCH)

EPB 2

30A

Electric Parking Brake Module

OPCU 1

20A

Electric Oil Pump Unit

DEICER

20A

RLY. 10 (Deicer Relay)

AMS

10A

Battery Sensor

HEATED MIRROR

10A

A/C Control Module, Driver/Passenger Power Outside Mirror

WIPER 2

10A

BCM, PCM

H/LAMP HI

20A

RLY. 6 (Head Lamp High Relay)

HEV ECU 1

10A

HPCU

OPCU2

10A

Electric Oil Pump Unit

ELECTRICAL

WATER PUMP

10A

Electric Water Pump (HEV)