ECU KIA CADENZA 2019 Service Manual

Maintenance
52
7
✽ ✽
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 ignition switch 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.
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 newfuse or relay fits tightly intothe clips. Failure to tightlyinstall the fuse or relay maycause damage to the wiringand electric systems.
Do not remove fuses, relays and terminals fastened withbolts or nuts. The fuses, relaysand terminals may not be fas-tened correctly which maycause vehicle damage.
OYG076028

Maintenance
54
7
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 ignition switch 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.
CAUTION
After checking the fuse panel inthe engine compartment,securely install the fuse panelcover through the audible click-ing sound.
If not, electrical failures mayoccur from water contact.
OYG076030
OYG076031

755
Maintenance
Multi fuse
If the multi fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative batterycable.
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.
OYG076032OYG076033

Maintenance
56
7
✽ ✽
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.CAUTION
Visually inspect the battery cap
to ensure it is securely closed.If the battery cap is not securelyclosed, moisture may enter thesystem and damage the electri-cal components.

759
Maintenance
Fuse NameFuse ratingCircuit Protected
A/CON7.5AAir Conditioner Switch, Air Conditioner Control Module, Ionizer, Engine Room Junction Block (Blower Relay)
MEMORY 110AHead-Up Display, Instrument Cluster, Wireless Charger Unit , Analog Clock, BCM (Body Control Module),
Rain Sensor, Driver Door Module, Power Trunk Module, Passenger Door Module, Air Conditioner Switch,
Air Conditioner Control Module, Security Indicator
MEMORY 215ADriver Door Module
MEMORY 310APassenger Door Module
START7.5ATransaxle Range Switch, ECM (Engine Control Module)
HEATED
STEERING15ABCM (Body Control Module)
MODULE 97.5ASurround View Unit, Rear Seat Warmer Control Module, Front Seat Warmer Control Module, Front Air
Ventilation Seat Control Module
WASHER15AMultifunction Switch
INTERIOR LAMP10AGlove Box Lamp, Passenger Foot Lamp, Driver Foot Lamp, Trunk Room Lamp, Front Vanity Lamp Switch
Left Handle side/Right Handle side, Overhead Console Lamp, Room Lamp, Rear Personal Lamp Left
Handle side/Right Handle side
DOOR LOCK20ADoor Lock/Unlock Relay
S/HEATER (FR)25AFront Seat Warmer Control Module, Front Air Ventilation Seat Control Module
SMART KEY 210AStart/Stop Button Switch
BRAKE SWITCH10AStop Lamp Switch, Immobilizer Module, Smart Key Control Module
AMP30AAMP (Amplifier)

763
Maintenance
Fuse NameFuse ratingCircuit Protected
MULTIFUSE
MDPS80AMDPS (Motor Driven Power Steering) UNIT
B+260AIGPM (Integrated Gateway Power control Module)
BLOWER50ABlower Relay
B+350AIGPM (Integrated Gateway Power control Module)
REAR
HEATED50ARear Heated Relay
ABS140AESC (Electronic Stability Control) Module
IG230AWithout Smart Key : Start Relay, Ignition Switch
With Smart Key : Start Relay
B+580AWIPER1, HORN, ECU2, FUEL PUMP, Engine Control Relay
B+160AIGPM (Integrated Gateway Power control Module)
COOLING FAN260ACooling Fan1 Relay, Cooling Fan2 Relay
B+450AIGPM (Integrated Gateway Power control Module)
POWER
OUTLET140APower Outlet Relay
IG140AWithout Smart Key : Ignition Switch
With Smart Key : Ignition switch 1, ACC Relay
ABS230AESC (Electronic Stability Control) Control Module, Multipurpose Check Connector
Engine room compartment fuse panel

Maintenance
64
7
Fuse NameFuse ratingCircuit Protected
FUSE
TCU115ATCM (Transmission Control Module)
CRUISE10ASmart Cruise Control Unit
AMS10ABattery Sensor
DEICER20AFront Deicer Relay
A/CON10AAir Conditioner Control Module
WIPER210ABCM (Body Control Module), ECM (Engine Control Module)
HEATED
MIRROR10AAir Conditioner Switch, Driver/Passenger Power Outside Mirror
ECU310AECM (Engine Control Module)
POWER
OUTLET220AFront Power Outlet & Cigarette Lighter
HORN20AHorn Relay
WIPER130AWiper Power Relay

765
Maintenance
Fuse NameFuse ratingCircuit Protected
FUSE
TCU215ATCM (Transmission Control Module), Transaxle Range Switch
ABS310AESC (Electronic Stability Control) Module
POWER
OUTLET320ANot Used
B/UP LAMP10AElectro Chromic Mirror, Rear Combination Lamp (Inside) Left Handle side/Right Handle side
SENSOR115AOxygen Sensor #1~#4
IGN COIL20AIgnition Coil #1~#6
ECU210AECM (Engine Control Module)
FUEL PUMP20AFuel Pump Relay
ECU120AECM (Engine Control Module)
INJECTOR15ANot Used
SENSOR210AVariable Intake Solenoid Valve #1, #2, Electronic Thermostat, Purge Control Solenoid Valve, Canister
Close Valve, Oil Pressure Solenoid Valve, Oil Control Valve #1~#4, Cooling Fan1 Relay, Cooling Fan2
Relay, Fuel Pump Relay