Hyundai Elantra (2017 – 2018) – fuse box diagram
Year of production: 2017, 2018
Instrument panel (Driver’s side fuse 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
| 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.