key KIA NIRO HYBRID EV 2021 Repair Manual

769
Maintenance
Fuse NameFuse ratingCircuit Protected
DOOR LOCK20ADoor Lock/Unlock Relay, ICM Relay Box (Two Turn Unlock Relay)
WIPER 2 (FRT)10AWiper Motor, Engine Room Junction Block (Front Wiper (Low) Relay), ECM (Engine Control Module),
BCM (Body Control Module)
MODULE 67.5ABCM (Body Control Module), Smart Key Control Module
S/HEATER
(REAR)25ARear Seat Warmer Control Module
HEATED
MIRROR10ADriver Power Outside Mirror, Passenger Power Outside Mirror, Air Conditioner Control Module
WIPER1 (FRT)30AWiper Motor, Engine Room Junction Block (Front Wiper (Low) Relay)

771
Maintenance
Fuse NameFuse ratingCircuit Protected
START7.5AINHIBITOR SW
MODULE 210AEngine Room Junction Block (Power Outlet Relay), Wireless Charger, BCM (Body Control Module), USB
Charger, Smart Key Control Module, Audio, Audio / Video & Navigation Head Unit, Power Outside Mirror
Switch, AMP (Amplifier)
PDM37.5AImmobilizer Module, Smart Key Control Module
MEMORY 110AInstrument Cluster, Driver IMS (Integrated memory system) Module, BCM (Body Control Module), Air
Conditioner Control Module, Auto Light & Photo Sensor, Driver Door Module, Passenger Door Module,
ECM (Electric Chromic Mirror)
MULTI MEDIA15AAudio, Audio / Video & Navigation Head Unit
IG3 410AOBC (On-Board Charger) Unit, TCM (Transmission Control Module), ECM (Engine Control Module), HPCU
(Hybrid Power Control Unit)
IG3 310AElectric Water Pump (PHEV)
IG3 515ATransmission Range Switch, BMS (Battery Management System) Control Module, Engine Room Junction
Block (Battery C/Fan Relay)
IG3 120AICM Relay Box (IG3 #1, IG3 #2, IG3 #3 Relay)
MDPS7.5AMDPS (Motor Driven Power Steering) Unit
TAIL GATE
OPEN10ATail Gate Relay, ICM Relay Box (Fuel Filler Door Relay, Charger Connector Lock/Unlock Relay), Fuel Filler
& Battery Charger Switch, Charge Connector Lamp
PDM 115ASmart Key Control Module

Maintenance
72 7
Fuse NameFuse ratingCircuit Protected
MODULE 77.5AFront Seat Warmer Control Module, AC Inverter (110V), Front Air Ventilation Seat Control Module, Rear
Seat Warmer Module, AC Inverter Module
WIPER (RR)15AEngine Room Junction Block (Wiper RR Relay), Rear Wiper Motor
HEATED
STEERING15ABCM (Body Control Module)
SUNROOF20ASunroof Motor
P/WINDOW RH25APower Window (RH) Relay, Power Window Main Switch, Passenger Power Window Switch, Rear Power
Window Switch RH, Passenger Safety Power Window Module
P/WINDOW LH25APower Window (LH) Relay, Power Window Main Switch, Rear Power Window Switch LH, Driver Safety
Power Window Module
PDM 27.5AImmobilizer Module, Smart Key Control Module, Start/Stop Button Switch
BRAKE SWITCH7.5AStop Lamp Switch, Smart Key Control Module
OBC10AOBC (On-Board Charger) Unit
A/CON7.5AAir Conditioner Control Module, Electronic Air Conditioner Compressor, Engine Room Junction Block
(Blower Relay, PTC Heater1 Relay, PTC Heater2 Relay)
WASHER15AMultifunction Switch
S/HEATER (FRT)25AFront Seat Warmer Control Module, Front Air Ventilation Seat Control Module

773
Maintenance
Fuse NameFuse ratingCircuit Protected
BATTERY
MANAGEMENT10ABMS (Battery Management System) Control Module
P/SEAT (DRV)30ADriver Seat Manual Switch, Driver IMS (Integrated memory system) Module
AMP30AAMP (Amplifier)
AMS10ABattery Sensor
MODULE 110AData Link Connector, Forward Collision-Avoidance Assist (FCA) Module, Hazard Switch, Driver/Passenger
Door Module, Driver/Passenger Smart Key Outside Handle, Outside Mirror Folding/Unfolding Relay, Mood
Lamp, Outside Mirror Switch
DOOR LOCK20ADoor Lock/Unlock Relay, ICM Relay Box (Two Turn Unlock Relay)
WIPER2 (FRT)10AWiper Motor, Engine Room Junction Block (Front Wiper (Low) Relay), ECM (Engine Control Module), BCM
(Body Control Module)
MODULE 67.5ABCM (Body Control Module), Smart Key Control Module
S/HEATER
(REAR)25ARear Seat Warmer Control Module
HEATED
MIRROR10ADriver Power Outside Mirror, Passenger Power Outside Mirror, Air Conditioner Control Module
WIPER 1 (FRT)30AWiper Motor, Engine Room Junction Block (Front Wiper (Low) Relay)

775
Maintenance
Engine room compartment fuse panel (Hybrid)
Fuse NameFuse ratingCircuit Protected
MULTI FUSE
B+ 560AFuse - BATTERY C/FAN, HORN, ECU2, Engine Control Relay
B+ 260AInstrument Panel Junction Block (Fuse - S/HEATER (REAR))
B+ 360AInstrument Panel Junction Block
B+ 450AInstrument Panel Junction Block (Fuse - BATTERY MANAGEMENT, P/WINDOW (LH), P/WIN-
DOW (RH), TAIL GATE OPEN, SUNROOF, AMP, S/HEATER (FRT), P/SEAT (DRV))
COOLING FAN60ACooling Fan Relay
REAR HEATED50ARear Heated Relay
BLOWER40ABlower Relay
IG 140A[Without Smart Key] Ignition Switch, [With Smart Key] PDM1 (ACC) Relay, PDM2 (IG1) Relay
IG 240A[Without Smart Key] Ignition Switch, [With Smart Key] PDM3 (IG2) Relay
MDPS80AMDPS (Motor Driven Power Steering) Unit
PTC
HEATER 150APTC Heater 1 Relay
PTC
HEATER 250APTC Heater 2 Relay
CLUTCH
ACTUATOR40AClutch Actuator (HEV)
MAIN150AFuse - H/LAMP HI, INVERTER, ACTIVE HYDRAULIC BOOSTER1, ACTIVE HYDRAULIC
BOOSTER2, WIPER RR, EPB1, EPB2

779
Maintenance
Engine room compartment fuse panel (Plug-in Hybrid)
Fuse NameFuse ratingCircuit Protected
MULTI FUSE
B+ 560AFuse - BATTERY C/FAN, HORN, ECU2, Engine Control Relay
B+ 260AInstrument Panel Junction Block (Fuse - S/HEATER (REAR))
B+ 360AInstrument Panel Junction Block
B+ 450AInstrument Panel Junction Block (Fuse - BATTERY MANAGEMENT, P/WINDOW (LH), P/WIN-
DOW (RH), TAIL GATE OPEN, SUNROOF, AMP, S/HEATER (FRT), P/SEAT (DRV), IG3 1,
OBC, AMS)
COOLING FAN60ACooling Fan Relay
REAR HEATED50ARear Heated Relay
BLOWER40ABlower Relay
IG 140A[Without Smart Key] Ignition Switch, [With Smart Key] PDM1 (ACC) Relay, PDM2 (IG1) Relay
IG 240A[Without Smart Key] Ignition Switch, [With Smart Key] PDM3 (IG2) Relay
MDPS80AMDPS (Motor Driven Power Steering) Unit
PTC
HEATER 150APTC Heater 1 Relay
PTC
HEATER 250APTC Heater 2 Relay
CLUTCH
ACTUATOR40AClutch Actuator (PHEV)
MAIN150AFuse - H/LAMP HI, INVERTER, ACTIVE HYDRAULIC BOOSTER1, ACTIVE HYDRAULIC
BOOSTER2, WIPER RR, EPB1, EPB2

Index
4I
Method to disconnect the (-) cable for regular
maintenance (For Hybrid) . . . . . . . . . . . . . . . . . . . . 6-7
Push-starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
Emission control system . . . . . . . . . . . . . . . . . . . . . . . 7-114
Crankcase emission control system . . . . . . . . . . . . 7-114
Evaporative emission control (including ORVR:
Onboard Refueling Vapor Recovery) system. . . . 7-114
Exhaust emission control system . . . . . . . . . . . . . . 7-115
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Engine clutch actuator fluid . . . . . . . . . . . . . . . . . . . . . 7-28
Checking the engine clutch actuator fluid level. . . . 7-28
Engine compartment . . . . . . . . . . . . . . . . . . . . . . . . 2-6, 7-4
Engine number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
Changing the engine oil and filter . . . . . . . . . . . . . . 7-20
Checking the engine oil level . . . . . . . . . . . . . . . . . . 7-19
ENGINE START/STOP button . . . . . . . . . . . . . . . . . . 5-11
ENGINE START/STOP button position . . . . . . . . . 5-11
Illuminated ENGINE START/STOP button . . . . . . 5-11
Starting the hybrid system . . . . . . . . . . . . . . . . . . . . 5-13
Explanation of scheduled maintenance items . . . . . . . 7-15
Exterior features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-180
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-180
Exterior overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Folding key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Battery replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Immobilizer system . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Key operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Limp home (override) procedure . . . . . . . . . . . . . . . 4-10
Record your key number . . . . . . . . . . . . . . . . . . . . . . 4-4
Transmitter precautions . . . . . . . . . . . . . . . . . . . . . . . 4-6
Forward Collision-Avoidance Assist (FCA)
(sensor fusion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-53
Brake operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-58
Detecting sensors (front view camera/front radar) . 5-58
FCA warning message and system control . . . . . . . 5-56
Limitation of the system . . . . . . . . . . . . . . . . . . . . . 5-62
System malfunction . . . . . . . . . . . . . . . . . . . . . . . . . 5-60
System setting and activation . . . . . . . . . . . . . . . . . . 5-53
Forward/Reverse Parking Distance Warning (PDW) . 4-124
Non-operational conditions of Forward/
Reverse Parking Distance Warning system . . . . . 4-127
Operation of Parking Distance Warning system . . 4-125
Self-diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-128
Fuel filler door (Hybrid) . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Closing the fuel filler door . . . . . . . . . . . . . . . . . . . . 4-37
Opening the fuel filler door . . . . . . . . . . . . . . . . . . . 4-36
Fuel filler door (Plug-in hybrid) . . . . . . . . . . . . . . . . . . 4-38
Closing the fuel filler door . . . . . . . . . . . . . . . . . . . . 4-39
Opening the fuel filler door . . . . . . . . . . . . . . . . . . . 4-38F

Index
6I
Instrument cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-66
Dual clutch transmission shift indicator . . . . . . . . . 4-74
Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-68
Instrument cluster control . . . . . . . . . . . . . . . . . . . . 4-68
Instrument panel overview . . . . . . . . . . . . . . . . . . . . . . . 2-5
Interior features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-167
AC inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-172
Air ventilation seat . . . . . . . . . . . . . . . . . . . . . . . . . 4-169
Cargo security screen . . . . . . . . . . . . . . . . . . . . . . . 4-179
Clothes hanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-177
Cup holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-167
Floor mat anchor(s) . . . . . . . . . . . . . . . . . . . . . . . . 4-177
Luggage net holder. . . . . . . . . . . . . . . . . . . . . . . . . 4-178
Power outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-170
Seat warmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-167
Sunvisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-170
USB charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-171
Wireless smart phone charging system . . . . . . . . . 4-173
Interior lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-140
Automatic turn off function . . . . . . . . . . . . . . . . . . 4-140
Liftgate room lamp. . . . . . . . . . . . . . . . . . . . . . . . . 4-142
Map lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-140
Room lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-141
Vanity mirror lamp . . . . . . . . . . . . . . . . . . . . . . . . . 4-142
Interior overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Key positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Ignition switch position . . . . . . . . . . . . . . . . . . . . . . . 5-7
Illuminated ignition switch . . . . . . . . . . . . . . . . . . . . 5-7
Starting the hybrid system . . . . . . . . . . . . . . . . . . . . . 5-9
Lane Following Assist (LFA) . . . . . . . . . . . . . . . . . . . 5-125
LFA system malfunction . . . . . . . . . . . . . . . . . . . . 5-129
LFA system operation . . . . . . . . . . . . . . . . . . . . . . 5-126
Limitation of the system . . . . . . . . . . . . . . . . . . . . 5-130
Lane Keeping Assist (LKA) . . . . . . . . . . . . . . . . . . . . . 5-70
Lane Keeping Assist system malfunction . . . . . . . . 5-76
LKA activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-73
LKA system operation . . . . . . . . . . . . . . . . . . . . . . . 5-72
System setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-72
LCD display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-76
LCD display control . . . . . . . . . . . . . . . . . . . . . . . . . 4-76
LCD display modes . . . . . . . . . . . . . . . . . . . . . . . . . 4-77
Trip modes (Trip computer) . . . . . . . . . . . . . . . . . . . 4-89
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . 4-94
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
Closing the liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
Emergency liftgate safety release. . . . . . . . . . . . . . . 4-27
Opening the liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 4-26K
L

I9
Index
Smart Cruise Control (SCC). . . . . . . . . . . . . . . . . . . . 5-103
Detecting Sensor (front view camera/front radar) . 5-116
Limitations of the system . . . . . . . . . . . . . . . . . . . . 5-119
Set SCC Reaction . . . . . . . . . . . . . . . . . . . . . . . . . . 5-111
Smart cruise control switch . . . . . . . . . . . . . . . . . . 5-103
To convert to cruise control mode . . . . . . . . . . . . . 5-118
Vehicle to vehicle distance setting . . . . . . . . . . . . . 5-111
When the lane ahead is clear . . . . . . . . . . . . . . . . . 5-112
When there is a vehicle ahead of you in your lane. 5-113
Smart key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Battery replacement . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Loss of the smart key . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Mechanical key . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Record your key number . . . . . . . . . . . . . . . . . . . . . 4-11
Smart key function . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Smart key immobilizer system. . . . . . . . . . . . . . . . . 4-16
Smart key precautions . . . . . . . . . . . . . . . . . . . . . . . 4-14
Special driving conditions . . . . . . . . . . . . . . . . . . . . . 5-144
Driving at night . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-147
Driving in flooded areas. . . . . . . . . . . . . . . . . . . . . 5-148
Driving in the rain . . . . . . . . . . . . . . . . . . . . . . . . . 5-147
Driving off-road . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-148
Hazardous driving conditions . . . . . . . . . . . . . . . . 5-144
Highway driving . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-148
Reducing the risk of a rollover. . . . . . . . . . . . . . . . 5-144
Rocking the vehicle . . . . . . . . . . . . . . . . . . . . . . . . 5-146
Smooth cornering . . . . . . . . . . . . . . . . . . . . . . . . . . 5-146Steering wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47
Electric Power Steering (EPS) . . . . . . . . . . . . . . . . . 4-47
Heated steering wheel . . . . . . . . . . . . . . . . . . . . . . . 4-49
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-50
Tilt and telescopic steering. . . . . . . . . . . . . . . . . . . . 4-48
Storage compartments . . . . . . . . . . . . . . . . . . . . . . . . 4-164
Center console storage . . . . . . . . . . . . . . . . . . . . . . 4-164
Glove box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-164
Luggage box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-166
Sunglass holder . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-165
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42
Resetting the sunroof . . . . . . . . . . . . . . . . . . . . . . . . 4-45
Sliding the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
Sunroof open warning . . . . . . . . . . . . . . . . . . . . . . . 4-46
Sunshade. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-45
Tilting the sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44
Theft-alarm system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Armed stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Disarmed stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Theft-alarm stage . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Tire Pressure Monitoring System (TPMS) . . . . . . . . . . 6-13
Changing a tire with TPMS . . . . . . . . . . . . . . . . . . . 6-17
Check tire pressure . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Low tire pressure position telltale . . . . . . . . . . . . . . 6-15
Low tire pressure telltale . . . . . . . . . . . . . . . . . . . . . 6-15
T