2018 Hyundai Ioniq Hybrid Engine

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7
Maintenance
Engine compartment fuse panel
TypeSymbolFuse RatingCircuit Protected
Multi Fuse
MAIN150ALow Voltage DC-DC Converter, E/R Junction Block
560APCB Block
260AIGPM
360AIGPM
450AIGPM
60AEngine Room Junction Block
150AEngine Room Junction Block
40AEngine Room Junction Block
IG140AWithout Smart Key : Ignition Switch
With Smart Key : E/R Junction Block
IG240AWithout Smart Key : Ignition Switch
With Smart Key : E/R Junction Block
180AEPS Unit
PTC
HEATER150AEngine Room Junction Block

7-64
Maintenance
TypeSymbolFuse RatingCircuit Protected
Multi Fuse
PTC
HEATER250AEngine Room Junction Block
CLUTCH
ACTUATOR40AClutch Actuator
Fuse
DCT315ATCM
HPCU110AHPCU
EWP10AElectric Water Pump (HEV)
140AIGPM
DCT240ATCM
DCT140ATCM
10AEngine Room Junction Block
1
ACTIVE
HYDRAULIC
BOSSTER40AMultipurpose Check Connector, IBAU
2
ACTIVE
HYDRAULIC
BOSSTER30AMultipurpose Check Connector, IBAU
POWER
OUTLET140AEngine Room Junction Block
B/UP
LAMP10AAudio, Rear Combination Lamp (IN) LH/RH, Electro Chromic Mirror
Engine compartment fuse panel

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7
Maintenance
TypeSymbolFuse RatingCircuit Protected
Fuse
POWER
OUTLET320ACigarette Lighter
POWER
OUTLET220APower Outlet
215AIGPM, Rear Defogger (+) (Lower)
S210AEngine Room Junction Block, Purge Control Solenoid Valve, Mass Air Flow Sensor
E120AECM
S115AOxygen Sensor (Up), Oxygen Sensor (Down)
IGN
COIL20AIgnition Coil #1~#4
E215AECM
10ABurglar Alarm Horn Relay
E310AECM
HPCU215AHPCU, Clutch Actuator (HEV)
3
ACTIVE
HYDRAULIC
BOSSTER10AMultipurpose Check Connector, IBAU
DCT415ADCT Shift Lever, TCM, Transaxle Range Switch
Engine compartment fuse panel

7-66
Maintenance
TypeSymbolFuse RatingCircuit Protected
Fuse
S310AFuel Pump Relay, Camshaft Position Sensor #1 (Intake), Camshaft Position Sensor #2
(Exhaust), Oil Control Valve #1 (Intake), Oil Control Valve #2 (Exhaust)
BATTERY
C/FAN15AEngine Room Junction Block
FUEL
PUMP20AFuel Pump Relay
20AHorn Relay
Engine compartment fuse panel

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7
Maintenance
Type B
If the LED lamp does not operate,
we recommend that you have the
vehicle checked by an authorized
HYUNDAI dealer.
Rear combination lamp bulb
replacement
Type A
(1) Tail/Stop lamp
(2) Turn signal lamp
(3) Tail lamp
(4) Backup lamp
Tail/Stop lamp and turn signal lamp
1. Turn off the engine.
2. Open the tailgate.
3. Open the lamp assembly retaining
screw covers.
4. Loosen the lamp assembly retain-
ing screws with a cross-tip screw-
driver.OAE076034
OAE076035
OAE076037

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Maintenance
Tail lamp and backup lamp
1. Turn off the engine.
2. Open the tailgate.
3. Remove the service cover using a
flat-blade screwdriver.4. Remove the bulb by pulling it
straight out.
5. Insert a new bulb by inserting it
into the socket and rotating it until
it locks into place.
6. Install the socket into the assembly
by aligning the tabs on the socket
with the slots in the assembly.
Push the socket into the assembly
and turn the socket clockwise.
7. Reinstall the service cover.
Type B
(1) Tail/Stop lamp
(2) Turn signal lamp
(3) Tail lamp
(4) Backup lamp
Tail/Stop lamp
If the LED lamp does not operate, we
recommend that you have the vehi-
cle checked by an authorized
HYUNDAI dealer.
OAE076036
OAE076041OAE076042
Backup lamp

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Maintenance
Turn signal lamp
1. Turn off the engine.
2. Open the tailgate.
3. Open the lamp assembly retaining
screw covers.
4. Loosen the lamp assembly retain-
ing screws with a cross-tip screw-
driver.5. Remove the rear combination
lamp assembly from the body of
the vehicle.6. Remove the socket from the
assembly by turning the socket
counterclockwise until the tabs on
the socket align with the slots on the
assembly.
7. Remove the bulb from the socket by
pressing it in and rotating it counter-
clockwise until the tabs on the bulb
align with the slots in the socket.
Pull the bulb out of the socket.
8. Insert a new bulb by inserting it into
the socket and rotating it until it
locks into place.
OAE076040OAE076038OAE076037

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Maintenance
9. Install the socket into the assembly
by aligning the tabs on the socket
with the slots in the assembly. Push
the socket into the assembly and
turn the socket clockwise.
10. Reinstall the lamp assembly to
the body of the vehicle
Backup lamp
1. Turn off the engine.
2. Open the tailgate.
3. Remove the service cover using a
flat-blade screwdriver.4. Remove the bulb by pulling it
straight out.
5. Insert a new bulb by inserting it
into the socket and rotating it until
it locks into place.
6. Install the socket into the assembly
by aligning the tabs on the socket
with the slots in the assembly.
Push the socket into the assembly
and turn the socket clockwise.
7. Reinstall the service cover.
OAE076042
Backup lamp
OAE076041