Hyundai Sonata 4/5 EF – fuse and relat

The Hyundai Sonata sedan has been produced from 1985 to the present in eight generations. The Hyundai Sonata 4 EF of the first generation was produced in 1998, 1999, 2000, 2001, 2002, 2003 and 2004. In Russia, this model was restyled and the updated one was assembled at the TagAZ plant in the Rostov region in 2005, 2006, 2007, 2008, 2009, 2010 and 2011. Many call it Sonata 5. However, this is an updated fourth generation. In our article you will find a description of fuses and relays Hyundai Sonata 4/5 with box diagrams, photo examples of performance and locations. Let’s highlight the fuse responsible for the cigarette lighter.

Sonata Hyundai Tagaz

Check the assignment of the boxes with your diagrams on the back of the protective cover. And if the diagrams and box layouts are not suitable, study the description for the NF Sonata .

Passenger compartment fuse box

It is located at the bottom of the dashboard. The protective cover must be removed for access.

Block in the cabin

Fuse box


Fuse block diagram sonata tagaz


A / CON10A Air conditioner
ETACS10A ETACS, Keyless Access System, Door Lock System
DR LOCK15A Electric door lock
P/SEAT25A Power seat
T/LID OPEN15A Remote trunk lid
STOP LP15A Stop lights
H/LP10A Headlight
A/BAG IND10A Airbag
T / SIG10A Direction indicators
A/CON SW10A Air conditioner
S/HTR15A Heated seat
A/BAG15A Airbag
B/UP10A Reversing lights
CLUSTER10A Instrument cluster, combined lamp
START10A Engine start
SP115A Spare fuse
SP215A Spare fuse
P/SEAT (RH)25A Power seat
SP415A Spare fuse
D/CLOCK10A Digital Clock
TAIL(LH)10A Side lights, license plate lights, rear lights – left side
AUDIO10A Audio system
WIPER20A Windshield wiper
ROOM LP10A Interior lighting, front door warning lamps
TAIL(RH)10A Side lights, license plate lights, rear lights – right side
C/LIGHTER15A Cigarette lighter
EPS10A Electricity supply

A 15A C / LIGHTER fuse is responsible for the cigarette lighter.


Some relays are attached to the back of the box


Relay in salon


  •  A – power connector
  • B – connector of the electronic control unit for the ETACS system
  • С – relay No. 1 of door locks blocking
  • D – relay No. 2 for locking the door locks
  • E – field winding resistor
  • F – relay of rear dimensions
  • G – window motor relay
  • H – relay for rear window heater and side mirror heaters.

Engine compartment fuse box

Located next to the battery under the protective cover.

Photo for example

Photo - an example of a block under the hood


Block diagram under the hood


COMD FAN20A Air conditioner fan
PWRWIND40A Power windows
IGN SW-130A Ignition switch
IGN SW-230A Ignition switch
RAD FAN MTR30A Radiator fan motor
1 FUEL PUMP20A fuel pump
2 HD LP LO15A Low beam headlights
3 ABS10A ABS system
4 INJECTOR10A Injector
5 A / С COM PR10A A / C compressor
6 ATM RLY20A ATM Relay
7 ECURLY30A Relay, electronic engine control unit
8 IG COIL20A Ignition coil, ignition malfunction sensor
9 OZSNSR15A Oxygen sensor
10 ECU15A ECM, fuel pump relay, positive crankcase ventilation solenoid valve, speed governor servo xx, dpkv
11 HORN10A Signal
12 HEAD LP HI15A High beam headlamps
13 HEAD LP WASH20A Headlight washer motor
14 DRL15A Anti-theft system
15 FRFOG15A Front fog lamps
16 HEAD LP LO RH15A Xenon headlights
17 SPARE30 A Spare fuse
18 SPARE20A Spare fuse
19 SPARE15A Spare fuse
20 SPARE10A Spare fuse
21 BLOWER30A heater fan
22 PWR FUSE-230A Power fuse 2
23 FWRAMP20A Audio amplifier
24 SUNROOF15A Hatch, diagnostic socket
25 VAIL LP20A Tailgate Relay
26 PWR FUSE-130A Power fuse 1, passenger compartment fuse box (fuses 2,3,7,8,9)
27 ECU10A Electronic engine control unit
28 RRHTD30A relay for heated rear window and side mirrors.

Relay assignment

HORNSignal relay
HDLP_LOWHeadlight relay
RAD FAN_HIRadiator fan relay
RAD FAN_LOWRadiator fan relay
F/PUMPFuel pump relay
WIPERWiper relay
STARTStarter relay
ATM CONTAutomatic transmission control relay
A / CONAir conditioner relay


Still have questions? Write them in the comments.

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