2021 HYUNDAI TUCSON HYBRID ECU

Maintenance
9-42
Engine compartment panel fuse
replacement
„„Blade type fuse
ONX4H090016
„„Cartridge type fuse
ONX4H090017
1. Turn the vehicle off.
2.
Turn all o
ther switches off.
3.
Remo

ve the fuse panel cover by
pressing the tap and pulling up.
4.
Check the remo

ved fuse; replace it
if it is blown. To remove or insert the
fuse, use the fuse puller in the engine
compartment fuse panel.
5.
Push in a new fuse o

f the same rating,
and make sure it fits tightly in the
clips. If it fits loosely, we recommend
that you consult an authorized
HYUNDAI dealer.
NOTICE
After checking the fuse panel in the
engine compartment, securely
install the fuse panel cover. You may
hear a clicking sound if the cover is
securely latched. If it is not securely
latched, electrical failure may occur
from water contact.
Multi fuse
ONX4H090015
If the multi fuse is blown, we recommend
that you consult an authorized HYUNDAI
dealer.

Maintenance
9-48
Engine compartment fuse panel
Fuse Name Fuse ratingCircuit Protected
MDPS 80A/100A MDPS Unit (Column Type-80A) / MDPS Unit (Rack Type-
100A)
C/FAN 80ACooling Fan Motor
B+1 60AICU Junction Block (IPS01, IPS02, IPS03, IPS04, IPS05)
B+3 60AICU Junction Block (Power Window Main Relay, Fuse : F2,
F3, F5, F6, F8, F9, F11, F12, F18, F15)
CVVD 50ACVVD Actuator
Bower 40AE/R Junction Block (RLY.10)
IEB3 40AIEB Unit
Rear Defogger 40AE/R Junction Block (RLY.14)
Trailer1 50ATrailer Connector Unit
B+4 50AICU Junction Block (Long Term Load Latch Relay, Fuse : F1,
F4, F14, F17, F20, F21, F24, F27)
IEB2 60AIEB Unit
IEB1 60AIEB Unit
B+2 50AICU Junction Block (IPS06, IPS07, IPS08, IPS10, IPS11)
PTC Heater 50AE/R Junction Block (RLY.13)
PTG 40APower Tailgate Unit
E-Shifter1 30ASCU
Fuel Pump 20AE/R Junction Block (RLY.7)
AWD 20AAWD ECM
ECU4 10AECM
IG3 20AE/R Junction Block (RLY.3)

09
9-49
Fuse Name Fuse ratingCircuit Protected
OPCU 20AOPU
BATT C/FAN 15A E/R Junction Block (RLY.2) E-Shifter2 10ASCU, Electronic Shift Switch (SBW)
HPCU1 10AHPCU
Trailer2 20ATrailer Connector Unit
RR HTD 10ADriver Power Outside Mirror, Passenger Power Outside
Mirror
IG1 30APCB Block (PDM(IG1) Relay)
IG2 30APCB Block (PDM(IG2) Relay)
ECU3 10ACVVD Actuator, ECM
TCU2 15A TCM, OPU
IEB4 10AIEB Unit
Module 7.5A Electronic Water Pump (Engine) AEB 10AFront Radar
HPCU2 10AHCPU
Sensor1 20AIgnition Coil #1~#4
Sensor2 15A Oxygen Sensor (Up/Down) ECU1 20AECM
Sensor4 10AE/R Junction Block (RLY.7)
Sensor3 10AOil Control Valve #1~#2, Purge Control Solenoid Valve,
RCV Control Solenoid Valve, Variable Oil Pump, Cooling
Fan Motor
B/Horn 15A PCB Block (Burglar Alarm Horn Relay)

Maintenance
9-50
Fuse Name Fuse ratingCircuit Protected
MDPS2 10AMDPS Unit (Rack Type)
Sensor5 15A Active Purge Pump Horn 15A PCB Block (Horn Relay)
Wiper(FR)2 7.5A IBU Wiper(RR) 15A ICU Junction Block (Rear Wiper Relay)
Wiper(FR)1 25A PCB Block (Front Wiper(Low) Relay), Front Wiper Motor P/Outlet1 20ALuggage Power Outlet
P/Outlet2 20AFront Power Outlet
ACC 20AICU Junction Block (Fuse : F33, F36)
TCU1 15ATCM
EWP 10AElectronic Water Pump (Engine)
BMS 10ABMS
ECU2 15AECM

Index
I-8
Instrument cluster ........................................................................\
..........................4-4
Instrument cluster control ........................................................................\
...........4-5
Gauges and meters ........................................................................\
.....................4-5
Transmission shift indicator ........................................................................\
.......4-9
Warning and indicator lights ........................................................................\
....4-10
LCD display messages ........................................................................\
.............4-22
Instrument panel overview (I)
........................................................................\
......2-5
Instrument panel overview (II)
........................................................................\
.....2-6
Integrated memory system
........................................................................\
...........5-38
Recalling memory positions ........................................................................\
.....5-39
Resetting the system ........................................................................\
.................5-39
Seat Easy Access Operation ........................................................................\
.....5-40
Storing memory positions ........................................................................\
........5-38
Intelligent Speed Limit Assist (ISLA)
.................................................................7-52
System malfunction and limitations .................................................................7-55
System operation ........................................................................\
......................7-53
System settings ........................................................................\
.........................7-52
Interior features
........................................................................\
..........................5-117
Cargo security screen ........................................................................\
.............5-125
Clock ........................................................................\
......................................5-123
Coat hook ........................................................................\
...............................5-123
Cup holder ........................................................................\
..............................5-117
Floor mat anchor(s) ........................................................................\
................5-124
Luggage net holder ........................................................................\
.................5-124
Power outlet ........................................................................\
............................5-118
Sunvisor ........................................................................\
..................................5-118
USB charger ........................................................................\
...........................5-119
Wireless smart phone charging system ..........................................................5-120
Interior lights
........................................................................\
...............................5-88
Front lamps ........................................................................\
...............................5-88
Glove box lamp ........................................................................\
........................5-90
Interior Lamp AUT O OFF ........................................................................\
.......5-88
Luggage compartment lamp ........................................................................\
.....5-90
Rear lamps ........................................................................\
................................5-89
Vanity mirror lamp ........................................................................\
...................5-89
Welcome system ........................................................................\
.......................5-91
Interior overview
........................................................................\
..........................2-4