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Hyundai Elantra (2017 - 2018) - fuse box diagram

avatar Jonathan Yarden Jan 19, 2021 · 5 min. read

In this article you will find a description of fuses and relays Hyundai, 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: 2017, 2018

Instrument panel (Driver’s side fuse panel)

Hyundai Elantra - fuse box diagram - instrument panel

Fuse name Symbol A Protected component
SPARE2 10 Spare
CLUSTER 10 Instrument Cluster
A/BAG IND 7,5 Instrument Cluster, A/C Control Module
MDPS1 7,5 MDPS Unit
MODULE7 7,5 Front Seat Warmer Control Module, Front Air Ventilation, Seat Control Module, Rear Seat Warmer Control Module, Sunroof Motor, Electro Chromic Mirror
A/CON1 7,5 E/R Junction Block (RLY.12, RLY. 1B, RLY. 13B), Ionizer, A/C Control Module
HTD STRG 15 BCM
WIPER1 25 Wiper Motor, PCM Block (Front Wiper (Low) Relay)
HTD MIRR 10 Driver Power Outside Mirror, Passenger  Power Outside Mirror, A/C Control Module
DR LOCK 20 Door Lock Relay, Door Unlock Relay
MULTI MEDIA 15 DC-DC Converter, Audio A/V&Navigation Head Unit MTH E-Call Module
MODULE1 7,5 Driver/Passenger Smart Key Outside Handle, Driver Door Module, Passenger Door Module
BUTTON START3 7,5 Immobilizer Module, Smart Key Control Module
A/BAG 15 SRS Control Module
MODULE6 7,5 Smart Key Control Module, BCM
WASHER 15 Multifunction Switch
WIPER2 10 BCM, ECM/PCM
MEMORY1 10 Driver/Passenger Door Module, Driver IMS Module, BCM, Data Link Connector, Digital Clock, Rain Sensor, A/C Control Module, Instrument Cluster, ICM Relay Box (Outside Mirror Folding/Unfolding Relay)
MEMORY2 7,5
SUNROOF 20 Sunroof Motor
BRAKE SWITCH 7,5 Stop Lamp Switch, Smart Key Control Module
MODULE3 10 Stop Lamp Switch, BCM, Sport Mode Switch, Driver Door Module, Passenger Door Module
SPARE3 15 Spare
SPARE5 25 Spare
S/HEATER REAR 25 Rear Seat Warmer Control Module
AMP 25 DC-DC Converter, AMP
SPARE4 20 Spare
BUTTON START2 7,5 Smart Key Control Module, Immobilizer Module
AEB AEB 10
MODULE4 10 Parking Assist Buzzer, Blind Spot Detection Radar LH/RH
P/WDW RH 25 Power Window RH Relay Driver Safety Power Window Module (RHD)
TRUNK 10 Trunk Relay, Trunk Lid Latch
P/SEAT DRV 30 Driver Seat Manual Switch, Driver Seat Manual Switch, Driver lms Module
S/HEATER FRONT 20 Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module
START 7,5 Burglar Alarm Relay, Transmission Range Switch, Ignition Lock & Clutch Switch, Smart Key Control Module, ECM/PCM, E/R Junction Block (RLY.4)
BUTTON START1 15 Smart Key Control Module
A/CON2 10 E/R Junction Block (RLY.12), Blower Motor, B;pwer Resistor, A/C Control Module
SPARE1 20 Spare
P/WDW LH 25 Power Window LH Relay Driver Safety Power Window Module (LHD)
INTERIOR LAMP 10 Ignition Key ILL. & Door Warning Switch, Trunk Room Lamp, Front Vanity Lamp, LH/RH Room Lamp, Overhead Console Lamp
MODULE2 10 Digital Clock, USB Charging Connector, MTS E-Call Module, Smart Key Control Module, BCM, Audio, A/V & Navigation Head Unit, Power Outside Mirror Switch, DC-DC Converter, AMP, E/R Junction Block (RLY.14)

Engine compartment fuse panel

Hyundai Elantra - fuse box diagram - engine compartment

Fuse name Symbol A Protected component
MAIN 150 Fuse: F28, F29, F30, F31, F34
MDPS 80 MDPS Unit
BATT5 60 PCB Block (Fuse: F8, F14, F15, F16, Engine Control Relay)
BATT2 60 Smart Junction Block (Fuse: F36, ARISU)
BATT3 60 Smart Junction Block (Fuse: ARISU, IPS)
BATT4 50 Smart Junction Block (Fuse: F20, F26, F27, F33, F34, F35, F41)
COOLING FAN1 50 RLY.9, RLY.2 (DSL)
RR HTD 50 RLY.10
BLOWER 40 RLY.12
IG1 40 Ignition Switch, E/R Junction Block (RLY.3, RLY8)
IG2 40 Ignition Switch, E/R Junction  Block (RLY.6)
PTC HEATER1 50 RLY.11B
PTC HEATER2 50 RLY.1B
PTC HEATER3 50 RLY.13B
FUEL HEATER 40 RLY.5B
B/UP LAMP 10 Electro Chromic Mirror, Rear Combination Lamp (IN) LH/RH, Audio, MTS E-Call Module, Smart Junction Block (IPS Control Module)
POWER OUTLET3 20 Cigarette Lighter
POWER OUTLET2 20 Power Outlet
HEAD LAMP HI 20 RLY.13A
TCU1 15 TCM
VACUUM PUMP1 20
A/CON 10
COOLING FAN2 40 RLY.9, RLY.2 (GSL)
BATT1 40 Smart Junction Block (LEAK CURRENT AUTCUT DEVICE, Fuse: F10, F12, F21, F29, F38)
DCT1 40 TCM
DCT2 40 TCM
B/ALARM HORN 10 RLY.7
ABS1 40 ABS Control Module, ESC Control Module, Multipurpose Check Connector
ABS2 30 ABS Control Module, ESC Control Module, Multipurpose Check Connector
POWER 40 RLY.14

Engine compartment main fuse panel – PCB (Gamma 1.6 MPI)

Fuse name Symbol A Protected component
SNSR2 10 Purge Control Solenoid Valve, Variable Intake Solenoid Valve, E/R Junction Block (RLY.2, RLY.9)
ECU2 15
ECU1 10 ECM/PCM
INJ 15 INJECTOR #1-#4
SNSR1 15 Oxygen Sensor (Up), Oxygen Sensor (Down)
IGN 15 Ignition Coil #1-#4, Condenser
SNSR3 20 Fuel Pump Relay, Oil Control Valve #1, Oil Control Valve #2
HORN 10 Horn Relay
ECU5 10 ECM/PCM
SNSR4 20
ABS3 15 ABS/ESC Control Module, Multipurpose Check Connector
TCU2 15 Vehicle Speed Sensor, Transmission Range Switch, E/R Junction Block (Fuse: F17)
ECU4 20 ECM/PCM
ECU3 10 ECM/PCM
F/PUMP 20 Fuel Pump Relay

Engine compartment main fuse panel – PCB Block (Nu 2.0 MPI)

Fuse name Symbol A Protected component
SNSR2 10 Purge Control Solenoid Valve, Variable Intake Solenoid Valve, E/R Junction Block (RLY.2, RLY.9)
ECU2 15 PCM
ECU1 10
INJ 15 INJECTOR #1-#4
SNSR1 15 Oxygen Sensor (Up), Oxygen Sensor (Down)
IGN 15 Ignition Coil #1-#4, Condenser
SNSR3 20 Fuel Pump Relay, Oil Control Valve #1, Oil Control Valve #2
HORN 10 Horn Relay
ECU5 10 ECM/PCM
SNSR4 20
ABS3 15 ABS/ESC Control Module, Multipurpose Check Connector
TCU2 15 Vehicle Speed Sensor, Transmission Range Switch, E/R Junction Block (Fuse: F17)
ECU4 20 PCM
ECU3 10 PCM
F/PUMP 20 Fuel Pump Relay

Engine compartment main fuse panel – PCB Block (UII 1.6 TCI)

Fuse name Symbol A Protected component
SNSR2 10 Purge Control Solenoid Valve, Variable Intake Solenoid Valve, E/R Junction Block (RLY.2, RLY.9)
ECU2 15
ECU1 10 ECM
INJ 15
SNSR1 15 Lambda Sensor #1, Lambda Sensor #2
IGN 15
SNSR3 20 Fuel Pump Relay, Air Flow Sensor, Camshaft Position Sensor, Oil Control Valve
HORN 10 Horn Relay
ECU5 10 ECM
SNSR4 20 Fuel Filter Warning Sensor, Glow Relay Unit
ABS3 15 ABS/ESC Control Module, Multipurpose Check Connector
TCU2 15 TCM, Transmission Range Switch
ECU4 20
ECU3 10 PCM
F/PUMP 20 Fuel Pump Relay

Assignment of the relay

Symbol Relay NO. Protected component Type
RLY.1B PTC HEATER #2 Relay MICRO
RLY.2 COOLING FAN2 Relay MICRO
RLY.3 PDM #3 (IG1) Relay MICRO
RLY.4 START #1 Relay MICRO
RLY.5A SUB FUEL PUMP Relay MICRO
RLY.5B FUEL HEATER Relay (D4FB) MICRO
RLY.6 PDM #4 (IG2) Relay MICRO
RLY.7 B/ALARM HORN Relay MICRO
RLY.8 PDM #2 (ACC) Relay MICRO
RLY.9 COOLING FAN1 Relay MINI
RLY.10 REAR HEATED Relay MINI
RLY.11 A/C Relay MICRO
RLY.11B PTC HEATER #1 Realy (D4FB) MICRO
RLY.12 BLOWER Relay MICRO
RLY.13A H/LAMP HI Relay MICRO
RLY.13B PTC HEATER #3 Relay (D4FB) MICRO
RLY.14 POWER OUTLET Relay (D4FB) MICRO

 

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

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