2012 Hyundai Sonata Hybrid Owner's Manual

Maintenance
52
7
✽
✽
NOTICE
• If the memory fuse is pulled up from
the fuse panel, the warning chime,
audio, clock and interior lamps, etc.,
will not operate. Some items must be
reset after replacement. Refer to
“Battery” in this section.
• Even though the memory fuse is pulled up, the battery can still be dis-
charged by operation of the head-
lights or other electrical devices.
Engine compartment fuse
replacement
1. Turn the engine start/stop button and
all other switches off.
2. Remove the fuse panel cover by pressing the tab and pulling up. 3. Check the removed fuse; replace it if it
is blown. To remove or insert the fuse,
use the fuse puller in the engine com-
partment fuse panel.
4. Push in a new fuse of the same rating, and make sure it fits tightly in the clips.
If it fits loosely, consult an authorized
HYUNDAI dealer.
OYFH071023N
CAUTION
After checking the fuse panel in theengine compartment, securelyinstall the fuse panel cover. If not, electrical failures may occur fromwater contact.

753
Maintenance
Multi fuse
If the multi fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Remove the fuse panel on the rightside in the engine compartment.
4. Remove the nuts shown in the picture above.
5. Replace the fuse with a new one of the same rating.
6. Reinstall in the reverse order of removal.
✽ ✽NOTICE
If the multi fuse is blown, consult an
authorized HYUNDAI dealer.
Oil pump cooling fuse/
Cooling fan fuse
If the oil pump cooling fuse or cooling fan
fuse is blown, it must be removed as fol-
lows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Remove the fuse panel on the right side in the engine compartment.
4. Replace the fuse with a new one of the same rating.
5. Reinstall in the reverse order of removal.
Sub-relay fuse
If the sub-relay fuse is blown, it must be
removed as follows:
1. Turn off the engine.
2. Disconnect the negative battery cable.
3. Replace the fuse with a new one of thesame rating.
4. Reinstall in the reverse order of removal.
OYFH071088NOYFH071089NOYFH071072N

Maintenance
54
7
Inner fuse panel
Engine compartment fuse panel
Fuse/relay panel description
Inside the fuse/relay panel covers, you can find the fuse/relay label describing fuse/relay name and capacity.
OYF079025/OYF071071N/OYF071026N
Sub-relay box
✽
✽NOTICE
Not all fuse panel descriptions in this
manual may be applicable to your vehi-
cle. It is accurate at the time of printing.
When you inspect the fuse panel in your
vehicle, refer to the fuse panel label.

755
Maintenance
Inner fuse panel (Driver’s side fuse panel)
DescriptionFuse rating Protected component
P/SEAT DRI 30A Driver Manual Switch
AMP 30A JBL AMP, AMP
TRUNK 10A I/P Junction Box (Trunk Lid Relay), Fuel Filler Door & Trunk Lid Switch
SAFETY POWER WINDOW 25A Safety Power Window Module
P/WDW LH 25A Power Window Main Switch, Rear Power Window Switch LH
MODULE HEV 7.5A Low DC Converter, Hybrid Inverter, BMS Control Module
BMS 10A BMS Control Module
START 2 7.5A Fob Holder, Start Stop Button Switch, PDM, Stop Lamp Switch, Smart Key Module
MODULE 3 7.5AE/R Fuse & Relay Box (AUX Water Pump Relay), Sport Mode Switch, Key Solenoid,
Active Air Flap
P/WDW RH 25A Power Window Main Switch, Rear Power Window Switch RH
HTD MIRR 10A Driver Power Outside Mirror, Passenger Power Outside Mirror
P/SEAT ASST 20A Passenger Power Seat
S/HEATER FRT 15A Driver Seat Warmer Module, Passenger Seat Warmer Module
PDM 25A PDM
CLOCK 10ASmart Key Module, PDM, BCM, Front Monitor, Clock, Rear Camera Module,
A/V & Navigation Head Unit, Audio, Overhead Console Lamp, AMP, JBL AMP,
Power Outside Mirror Switch
A/CON 7.5A E/R Fuse & Relay Box (Blower Relay), A/C Control Module
S/HTR RR 20A Rear Seat Warmer Switch LH, Rear Seat Warmer Switch RH
SUN ROOF 20A Panorama Sunroof
POWER OUTLET 1 15A Front Power Outlet RH
MODULE 2 7.5A Rear Camera Module, BCM
Spare 20A -

Maintenance
56
7
Description Fuse rating Protected component
WIPER 25A E/R Fuse & Relay Box (Wiper Relay), Front Wiper Motor, Multifunction Switch
MODULE 5 7.5A PDM, Electro Chromic Mirror, Panorama Sunroof
DR LOCK 20AI/P Junction Box (Door Lock Relay, Door Unlock Relay),
E/R Fuse & Relay Box (T/Turn Unlock Relay)
POWER OUTLET 2 15A Front Power Outlet LH
MODULE 1 7.5AInstrument Cluster, A/C Control Module, BCM, Sport Mode Switch IND., Clock, Audio,
Driver/Passenger Seat Warmer Module
IG 1 20A E/R Fuse & Relay Box (Fuse - ESC 3 10A, ECU 4 10A, OIL PUMP 2 10A, TCU 2 10A)
HCU 20A Hybrid Control Unit
A/BAG 15A Telltale Lamp, SRS Control Module, Passenger Weight Classification Sensor
START 1 7.5AW/O Smart Key - Burglar Alarm Relay
With Smart Key - PDM
MDPS 10A ESC Off Switch, Tire Pressure Monitoring Module, EPS Control Module
PDM 3 7.5A Smart Key Module, PDM
WATER PUMP HEV 10A Hybrid Water Pump
A/BAG IND. 7.5A Instrument Cluster
POWER
CONNECTOR AUDIO 15A Audio, A/V & Navigation Head Unit
ROOM LP 10A Trunk Room Lamp, Driver Door Lamp, Ignition Key ILL. & Door Warning Switch,
Instrument Cluster, Passenger Door Lamp, A/C Control Module, Glove Box Lamp, BCM,
Front Monitor, Clock, RF Receiver, Data Link Connector, Tire Pressure Monitoring Module,
Auto Light & Photo Sensor, Electro Chromic Mirror, Room Lamp Relay

757
Maintenance
Engine compartment main fuse panel
Description Fuse ratingProtected component
MULTI FUSE B+3
60AI/P Junction Box (Power Window Relay, Fuse - TRUNK 10, S/HEATER FRT 15A,
SAFETY POWER WINDOW 25A, MODULE 3 7.5A, PDM 25A, Power Connector - AUDIO 15A)
IG 1 40A Smart Key - IG 1 Relay, ACC Relay
EMS 40A EMS Box (Fuse - HORN 15A, ECU 3 10A, ECU 1 30A, F/PUMP 20A)
RR HTD 40A RR HTD Relay
BLOWER 40A Blower Relay
B+4 60AI/P Junction Box (Fuse - P/SEAT DRI 30A, AMP 30A, START 2 7.5A, BMS 10A, IPS 2, IPS 3,
IPS 5, IPS 8)
MDPS 80A EPS Control Module
C/FAN LO 40A C/FAN LO Relay
FUSE B+2
50AI/P Junction Box (Fuse - SUNROOF 20A, DR LOCK, IPS 1, IPS 4, IPS 6, IPS 7, IPS 9,
Power Connector - ROOM LP 10A)
WIPER 10A PCM
RR HTD IND 10A A/C Control Module LDC 10A Low DC Converter, Hybrid Inverter
BMS C/FAN 15A BMS Blower Motor Relay TCU 1 20A PCU
STOP LP 15A Stop Lamp Relay, HAC Relay DEICER 20A Deicer Relay ECU 2 20A PCUHCU 20A Hybrid Control
IG 2 30A Smart Key - IG 2 Relay
AHB 1 40A AHB Control Module
OIL PUMP 1 20A Electric Oil Pump Unit

Maintenance
58
7
Description Fuse rating Protected component
FUSE ESC 1 40A EBS Control Module
ESC 2 30A EBS Control Module
AHB 2 30A AHB Control Module
ECU 4 10A PCM TCU 2 15A Transaxle Range Switch
ESC 3 10A HAC Relay, Stop Lamp Switch, Multipurpose Check Connector, EBS Control Module,
AHB Control Module
OIL PUMP 2 10A Hybrid Fuse & Relay Box (OPCU Relay), Active Air Flap, Electric Oil Pump Unit B/UP LP 10A A/V & Navigation Head Unit, Rear Combination Lamp (IN) LH/RH, BCM, Electro Chr\
omic Mirror

759
Maintenance
Engine compartment sub fuse panel (Sub-relay box) Engine compartment main fuse panel (Engien junction fuses)
DescriptionFuse rating Protected component
OPCU 80AOPCU Relay
C/FAN 60AC/FAN HI Relay
Relay No. Relay Name Type
E41 ACC Relay PLUG MICRO
E42 RR HTD Relay PLUG MICRO
E43 - PLUG MICRO
E44 C/FAN LO Relay PLUG MICRO
E45 AUX Water Pump Relay PLUG MICRO
E46 - PLUG MICRO
E47 Deicer Relay PLUG MICRO
E48 - PLUG MICRO
E49 IG1 Relay PLUG MICRO
E50 IG2 Relay PLUG MICRO
E51 Wiper Relay PLUG MICRO
E52 T/Turn Door Unlock Relay PLUG MICRO
E53 HAC Realy PLUG MICRO
E54 Blower Relay PLUG MICRO
EMS BOX RLY.1 Horn Relay
PLUG MICRO
RLY.2 F/Pump Relay PLUG MICRO
RLY.3 ECU Relay PLUG MINI