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Hyundai Sonata (2003 - 2004) – fuse box diagram

avatar Jonathan Yarden Jan 06, 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: 2003, 2004

Under hood junction box

Hyundai Sonata - fuse box - engine compartment

Description Ampere rating [A] Protected component
COND FAN 20 Condenser fan
PWR WIND 40 Power window
ABS 2 20 ABS
IGN SW-1 30 Ignition switch
ABS 1 40 ABS
IGN SW-2 30 Ignition switch
RAD FAN MTR 30 Radiator fan motor
FUEL PUMP 20 Fuel pump
HD LP LO 15 Headlights (LO)
ABS 10 ABS
INJECTOR 10 Injector
A/C COMPR 10 Air-con compressor
ATM RLY 20 ATM Relay
ECU RLY 30 Engine control unit relay
IG COIL 20 Ignition coil
O2 SNSR 15 Oxygen sensor
ECU 15 Engine control unit
HORN 10 Horn
HEAD LP HI 15 Headlights (HI)
HEAD LP WASH 20
DRL 15 DRL
FR FOG 15 Front fog lights
HEAD LP LO RH 15 Headlight (Low)
DIODE-1 Diode 1
SPARE 30 Spare fuse
SPARE 20 Spare fuse
SPARE 15 Spare fuse
SPARE 10 Spare fuse
DIODE-2 Diode 2
BLOWER 30 Blower
PWR FUSE-2 30 Power fuse 2
PWR AMP 20 Power amp
SUNROOF 15 Sunroof
TAIL LP 20 Tail lights
PWR FUSE-1 30 Power fuse 1
ECU 10 ECU
RR HTD 30 Rear window defroster

Instrument panel junction box

Hyundai Sonata - fuse box - instrument panel

Description Ampere rating [A] Protected component
RR HTD IND 10 Rear window defroster, Outside rear view mirror heater
HAZARD 10 Hazard light, Turn signal lights
RR FOG 15 Rear fog light
A/CON 10 Air conditioning system
ETACS 10 ETACS, Keyless entry system, Door lock system
DR LOCK 15 Power door lock
P/SEAT 25 Power seat
T/LID OPEN 15 Remote trunk lid
STOP LP 15 Stop lights
H/LP 10 Head light
A/BAG IND 10 Air-bag
T/SIG 10 Turn signal lights
A/CON SW 10 Air conditioning system
ACC SOCKET 15 Power outlet
S/HTR 15 Seat heater
A/BAG 15 Air-bag
B/UP 10 Backup lights
CLUSTER 10 Cluster
START 10 Engine switch
SP1 15 Spare fuse
SP2 15 Spare fuse
P/SEAT (RH) 25 Power Seat
SP4 15 Spare fuse
D/CLOCK 10 Digtal clock
TAIL(LH) 10 Position lights, License plate lights, Tail lights
AUDIO 10 Audio
WIPER 20 Wiper
ROOM LP 10 Dome lights, Front door edge warning lights
TAIL(RH) 10 Position lights, License plate lights, Tail lights
C/LIGHTER 15 Cigar lighter
EPS 10

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

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