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Kia Optima Hybrid (2018) - fuse box diagram

avatar Jonathan Yarden May 06, 2021 · 5 min. read

In this article you will find a description of fuses and relays Kia, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2018

Instrument fuse panel

KIA Optima PHEV - fuse box diagram - instrument panel

Description Fuse rating [A] Protected component
MODULE 7 10 Around View Monitor Unit, Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module, Rear Seat Warmer Control Module
MODULE 5 10 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 10 BCM, Smart Key Control Module
A/CON 10 A/C Control Module, E/R Junction Block (RLY. 4 – Blower Relay), Ionizer, Active Incar Sensor, Electronic A/C Compressor
START 10 Transaxle Range Switch, Smart Key Control Module
A/BAG 15 SRS Control Module, Passenger Occupant Detection Sensor
MODULE 3 10 BCM, Stop Lamp Switch, AFLS Unit, Keyboard, VESS Unit, A/V & Navigation Head Unit, Sport Mode Switch
MODULE 4 10 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 10 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
MDPS 10 MDPS Unit (Column/Rack)
IG1 25 PCB Block (Fuse – OPCU2/ELECTRICAL WATER PUMP/TCU2/ACTIVE HYDRAULIC BOOTER 3/HEV ECU2/ECU3)
MODULE 9 10 Smart Key Control Module
WASHER 15 Multifunction Switch (Wiper Low & Washer Switch)
MODULE 8 10 Driver/Passenger Door Module
CLUSTER 10 Instrument Cluster
MULTI MEDIA 15 Audio, A/V & Navigation Head Unit, Keyboard
HTD STRG 15 BCM (Steering Wheel Heated)
MODULE 1 10 Console Switch, Active Air Flap Unit, Gateway, Driver/Passenger Door Module
DR LOCK 20 Door Lock Relay, Door Unlock Relay, ICM Relay Box (Dead Lock Relay)
MEMORY 2 10 Siren Control Module, Ultrasonic Instrusion Protection Sensor
SMART KEY 15 Smart Key Control Module
A/BAG IND 10 Instrument Cluster (Air Bag IND. Power)
TRUNK 10 Trunk Lid Relay, Fuel Filler & Trunk Open Switch, ICM Relay Box (Fuel Filler Open Relay)
SUNROOF 2 20 Sunroof Control Unit (Roller)
BATTERY MANAGEMENT 10 BMS Control Module
MEMORY 1 10 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
10 ICM Relay Box (Rear Fog Lamp Relay)
GATEWAY 10 Gateway
S/HEATER REAR 25 Rear Seat Warmer Control Module
SUNROOF 1 20 Sunroof Control Unit (Glass)
S/HEATER FRONT 25 Front Air Ventilation Seat Control Module, Front Seat Warmer Control Module
ECS 15 —
MODULE 2 10 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)
P/WDW RH 25 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 30 Passenger Seat Manual Switch, Walk In Relay Module, Passenger Reclining Limit Switch
AMP 25 AMP
BRAKE SWITCH 10 Stop Lamp Switch, Smart Key Control Module, Start/Stop Button Switch
P/WDW LH 25 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 30 Driver Seat Manual Switch, Driver IMS Module
POWER
OUTLET
20 Front Power Outlet #1, Front Cigarette Lighter & Power Outlet #2
RR WIPER 15 —
SPARE 1 10 —
SPARE 2 10 —

Engine compartment fuse panel (For Hybrid)

KIA Optima PHEV - fuse box diagram - engine compartment (Hybrid)

Engine compartment fuse panel (For Plug-in Hybrid)

KIA Optima PHEV - fuse box diagram - engine compartment

Fuse name Fuse rating [A] Protected component
MULTI FUSE MDPS 1 80 MDPS Unit (Column)
COOLING FAN 60 RLY. 2 (Cooling Fan Relay)
B+5 50 PCB Block (Engine Control Relay, Fuse -FUEL PUMP/ECU2/TCU1/HORN/WIPER1/BATTERY C/FAN
B+3 50 Smart Junction Block (IPS 2 (IPS 5), IPS 3 (IPS 6), IPS 7, IPS 8)
REAR HEATED 50 RLY. 11 (Rear Heated Relay)
ACTIVE
HYDRAULIC
BOOSTER 2
40 Integrated Brake Actuation Unit
BLOWER 40 RLY. 4 (Blower Relay)
POWER
OUTLET1
40 RLY. 7 (Power Outlet Relay)
IG2 30 PCB Block (IG2 Relay)
B+1 60 Smart Junction Block (Fuse – TRUNK, SUNROOF2, S/HEATER REAR, SUNROOF1, P/WDW RH, P/SEAT PASS, P/WDW LH, P/SEAT DRV)
EEWP 60 Engine Electric Water Pump
B+2 60 Smart Junction Block (IPS 1, IPS 4, Fuse – FOG LAMP REAR, S/HEATER FRONT, AMP)
ACTIVE
HYDRAULIC
BOOSTER 1
40 Integrated Brake Actuation Unit
IG1 40 PCB Block (IG1/ACC Relay)
PTC
HEATER 1
50 PTC HEATER
FUSE EPB1 30 Electric Parking Brake Module
H/Lamp Washer 30 RLY. 9 (H/Lamp Washer Relay)
B+4 40 Smart Junction Block (Leak Current Autocut Device Fuse – INTERIOR LAMP, MULTI MEDIA, MEMORY2, MEMORY1, Fuse – MODULE1, DR LOCK, SMART KEY, BRAKE SWITCH)
EPB 2 30 Electric Parking Brake Module
OPCU 1 20 Electric Oil Pump Unit
DEICER 20 RLY. 10 (Deicer Relay)
AMS 10 Battery Sensor
HEATED MIRROR 10 A/C Control Module, Driver/Passenger Power Outside Mirror
WIPER 2 10 BCM, PCM
H/LAMP HI 20 RLY. 6 (Head Lamp High Relay)
HEV ECU 1 10 HPCU
OPCU2 10 Electric Oil Pump Unit
ELECTRICAL
WATER PUMP
10 Electric Water Pump (HEV)
FUEL PUMP 20 Fuel Pump Relay
ECU 1 20 PCM
SENSORS 2 10 Mass Air Flow Sensor, Fuel Pump Relay, Oil Control Valve #1/#2, Canister Close Valve, Camshaft Position Sensor #1/#2, Purge Control Solenoid Valve
TCU 2 15 Transaxle Range Switch
ACTIVE
HYDRAULIC
BOOTER 3
10 Multipurpose Check Connector, Integrated Brake Actuation Unit
POWER
OUTLET 3
20 Rear Power Outlet
B/UP LAMP 10 PCM, Transaxle Range Switch, Electro Chromic Mirror, Rear Combination Lamp (IN) LH/RH
OBC 10 HEV OBC SIG, INLET
IG3 4 20 IG3 1 RLY
IG3 1 10 HEV WATER PUMP
IG3 2 15 HEV OBC SIG
IG3 3 10 PCU, HPCU, POSITION SW, CLUSTER, BMS EXTN, AVN, IGPM, CHARGER IND
SENSOR 1 15 Oxygen Sensor (Up/Down), E/R Junction Block (Cooling Fan Relay)
IGN COIL 20 Ignition Coil #1/#2/#3/#4
ECU 2 10 PCM
TCU 1 10 PCM
HEV ECU 2 10 HPCU, E/R Junction Block (Battery C/Fan Relay)
ECU 3 10 PCM
POWER OUTLET2 20 Front Power Outlet #1
HORN 20 Horn Relay, ICM Relay Box (Burglar Alarm Horn Relay)
WIPER 1 30 Wiper Power Relay
BATTERY
C/FAN
15 E/R Junction Block (Battery C/Fan Relay)

Relay

Relay name Tupe
COOLING FAN Relay MINI
BLOWER Relay MICRO
BATTERY C/FAN Relay MICRO
H/LAMP HI Relay MICRO
POWER OUTLET Relay MICRO
H/LAMP WASHER Rela MICRO
DEICER Relay MICRO
REAR HEATED Relay MINI
PTC HEATER 1 MINI
PTC HEATER 2 MINI
IG3 3 MICRO

 

Battery terminal cover

KIA Optima PHEV - fuse box diagram - engine compartment (terminal cover)

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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