2012 Hyundai Sonata check engine

Maintenance50
7FUSESA vehicle’s electrical system is protected
from electrical overload damage by
fuses. This vehicle has 2 fuse panels, one locat-
ed in the driver’s side panel bolster, the
other in the engine compartment.
If any of your vehicle’s lights, acces-
sories, or controls do not work, check the
appropriate circuit fuse. If a fuse has
blown, the element inside the fuse will be
melted.
If the electrical system does not work,
first check the driver’s side fuse panel.
Always replace a blown fuse with one of
the same rating.
If the replacement fuse blows, this indi-
cates an electrical problem. Avoid using
the system involved and immediately
consult an authorized HYUNDAI dealer.
Three kinds of fuses are used: blade type
for lower amperage rating, cartridge type,and multi fuse for higher amperage rat-ings.
OBK079042
Normal
Normal
Blade type
Cartridge type
Multi fuse Blown
Blown
Normal Blown
WARNING
- Fuse replace-
ment
 Never replace a fuse with any-
thing but another fuse of the
same rating.
 A higher capacity fuse could cause damage and possibly a
fire.
 Never install a wire or aluminum foil instead of the proper fuse -
even as a temporary repair. It may
cause extensive wiring damage
and a possible fire.
CAUTION
Do not use a screwdriver or any
other metal object to remove fuses because it may cause a short circuitand damage the system.

751
Maintenance
Instrument panel fuse replace-
ment1. Turn the ignition switch and all otherswitches off.
2. Open the fuse panel cover. 3. Pull the suspected fuse straight out.
Use the removal tool provided in the
engine compartment fuse panel.
4. Check the removed fuse; replace it if it is blown.
5. 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.
If you do not have a spare, use a fuse of the same rating from a circuit you maynot need for operating the vehicle, such as the cigarette lighter fuse.
If the headlights or other electrical com-
ponents do not work and the fuses are
OK, check the fuse panel in the engine
compartment. If a fuse is blown, it must
be replaced.
OYF079020
OYF079021

753
Maintenance
3. Check the removed fuse; replace it if itis 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.
Multi fuseIf 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.
✽ ✽NOTICEIf the multi fuse is blown, consult an
authorized HYUNDAI dealer.
CAUTION
After checking the fuse panel in the
engine compartment, securelyinstall the fuse panel cover. If not,electrical failures may occur from water contact.
OYF079024

757
Maintenance
Engine compartment main fuse panel
DescriptionFuse rating Protected component
MULTI FUSE C/FAN HI
(2.0 TGDI)
60A C/Fan High Relay
B+ 3 60AI/P Junction Box (Fuse - P/WDW ASST 20A, P/WDW LH 25A, P/WDW RH 25A , TRUNK
10A, S/HEATER FRT 15A, PDM 25A, MODULE 3 7.5A, SAFETY POWER WINDOW 25A,
Power Connector - AUDIO 15A, Power Window Relay)
IGN 1 40A W/O Smart Key - Ignition Switch, With Smart Key - ACC Relay, IG1 Relay
ESC 1 40A ESC Module, Multipurpose Check Connector
RR HTD 40A RR HTD Relay
BLOWER 40A Blower Relay
B+ 4 60AI/P Junction Box (Fuse - P/SEAT DRIV 30A, AMP 30A, PDM 2 7.5A, IPS 2 /IPS 3 /IPS 5
/IPS 8)
MDPS
80A
EPS Control Module
FUSE B+ 2 50A
I/P Junction Box (Fuse - SUNROOF 20A, DR LCOK 20A, IPS 1 /IPS 4 /IPS 6 /IPS 7 /IPS
9, Power Connector - ROOM LP 10A)
A/CON
10A
A/C Control Module (Auto)
B/UP LP 10A Back-up Lamp Switch (M/T), B/UP LP Relay (A/T)
ESC 3 10A ESC Module, Multipurpose Check Connector
TCU 2 15A Vehicle Speed Sensor (M/T), Transaxle Range Switch (A/T), Start2 Relay
ECU 4 10A Stop Lamp Switch, PCM
IGN 2 30A W/O Smart Key - Ignition Switch, Start1 Relay, With Smart Key - Start 1 Relay, IG 2 Relay
EMS 40A EMS Box (Fuse - HORN 15A, ECU 3 10A, ECU 1 30A, F/PUMP 20A)
ESC 2 30A ESC Module, Multipurpose Check Connector
WIPER 10A PCM
RR HTD IND 10A A/C Control Module
AMS 15A Battery Sensor
TCU 1 20A PCM

Maintenance74
7CanisterFuel vapors generated inside the fuel
tank are absorbed and stored in the
onboard canister. When the engine is
running, the fuel vapors absorbed in the
canister are drawn into the surge tank
through the purge control solenoid valve.Purge Control Solenoid Valve (PCSV)The purge control solenoid valve is con-
trolled by the Engine Control Module
(ECM); when the engine coolant temper-
ature is low during idling, the PCSV clos-
es so that evaporated fuel is not taken
into the engine. After the engine warms-
up during ordinary driving, the PCSV
opens to introduce evaporated fuel to the
engine.
3. Exhaust emission control
systemThe Exhaust Emission Control System is
a highly effective system which controls
exhaust emissions while maintaining
good vehicle performance.Vehicle modifications This vehicle should not be modified.
Modification of your vehicle could affect
its performance, safety or durability and
may even violate governmental safety
and emissions regulations.
In addition, damage or performance
problems resulting from any modification
may not be covered under warranty.
 If you use unauthorized electronic
devices, it may cause the vehicle to
operate abnormally, wire damage, bat-
tery discharge or fire. For your safety,
do not use unauthorized electronic
devices.
Engine exhaust gas precautions (car-bon monoxide)  Carbon monoxide can be present with other exhaust fumes. Therefore, if you
smell exhaust fumes of any kind inside
your vehicle, have it inspected and
repaired immediately. If you ever sus-
pect exhaust fumes are coming into
your vehicle, drive it only with all the
windows fully open. Have your vehicle
checked and repaired immediately.
WARNING
- Exhaust
Engine exhaust gases contain car-
bon monoxide (CO). Though color-
less and odorless, it is dangerous
and could be lethal if inhaled.
Follow the instructions on this
page to avoid CO poisoning.

85
Specifications, Consumer information, Reporting safety defects
Recommended SAE viscosity
number
Engine oil viscosity (thickness) has an
effect on fuel economy and cold weather
operating (engine start and engine oil
flowability). Lower viscosity engine oils
can provide better fuel economy and cold
weather performance, however, higher
viscosity engine oils are required for sat-
isfactory lubrication in hot weather. Using
oils of any viscosity other than those rec-
ommended could result in engine dam-
age.When choosing an oil, consider the range
of temperature your vehicle will be oper-
ated in before the next oil change.
Proceed to select the recommended oil
viscosity from the chart.
CAUTION
Always be sure to clean the area
around any filler plug, drain plug, or dipstick before checking or drain-ing any lubricant. This is especiallyimportant in dusty or sandy areas and when the vehicle is used onunpaved roads. Cleaning the plugand dipstick areas will prevent dirtand grit from entering the engine and other mechanisms that couldbe damaged.
*1. For better fuel economy, it is recommended to use the engine oil
of a viscosity grade SAE 5W-20 (API SM / ILSAC GF-4). However,
if the engine oil is not available in your country, select the proper
engine oil using the engine oil viscosity chart.
Temperature Range for SAE Viscosity Numbers
Temperature
-30 -20 -10 0 10 20 30 40 50
-10 0 20 40 60 80 100 120
Engine Oil
(2.0 TGDI) Engine Oil
(2.4 GDI) *
1
10W-30
5W-20, 5W-30
°C
(°F)
5W-30, 5W-40

I3
Index
California perchlorate notice ··················\
··················\
·····7-76
Capacities (Lubricants) ··················\
··················\
················8-4
CareExterior care ··················\
··················\
··················\
········7-67
Interior care ··················\
··················\
··················\
·········7-71
Tire care··················\
··················\
··················\
···············7-37
Cargo weight ··················\
··················\
··················\
············5-51
Center console storage ··················\
··················\
·············4-105
Central door lock switch··················\
··················\
············4-19
Certification label ··················\
··················\
···············5-49, 8-6
Changing tires ··················\
··················\
··················\
··········6-13
Chains Tire chains ··················\
··················\
··················\
···········5-43
Checking tire inflation pressure··················\
··················\
·7-38
Child restraint system ··················\
··················\
················3-29 Passenger seat belt ··················\
··················\
················3-31
Tether anchor system··················\
··················\
·············3-33
Lower anchor system ··················\
··················\
············3-35
Child-protector rear door lock ··················\
··················\
···4-21
Climate control system (Automatic) ··················\
···········4-97 Air conditioning ··················\
··················\
··················\
4-100
Automatic heating and air conditioning··················\
··4-94
Manual heating and air conditioning ··················\
······4-95
Climate control system (Manual) ··················\
················4-83 Air conditioning ··················\
··················\
··················\
··4-90
Climate control air filter··················\
··················\
········4-92
Heating and air conditioning··················\
··················\
·4-84 Climate control air filter ··················\
··················\
············4-94
Climate control air filter ··················\
··················\
············7-30
Clock (Digital) ··················\
··················\
··················\
·······4-109
Clothes hanger ··················\
··················\
··················\
·······4-109
Combined instrument, see instrument cluster ···············4-50
Compact spare tire ··················\
··················\
··················\
···6-18
Compact spare tire replacement ··················\
··················\
7-42
Compass mirror, see the Electric chromic mirror (ECM)
with homeLink system and compass ··················\
······4-41
Consumer information ··················\
··················\
·················8-8
Coolant ··················\
··················\
··················\
··················\
···7-24
Cooling fluid, see engine coolant ··················\
················7-24
Crankcase emission control system ··················\
·············7-73
Cruise control system ··················\
··················\
················5-31
Cup holder ··················\
··················\
··················\
·············4-107
Curtain air bag ··················\
··················\
··················\
·········3-54
Dashboard, see instrument cluster ··················\
···············4-50
Dashboard illumination, see instrument panel illumination ··················\
··················\
··················\
·········4-51
Daytime running light··················\
··················\
················4-73
Defogging (Windshield) ··················\
··················\
··········4-101
Defogging logic (Windshield) ··················\
··················\
·4-103
Defroster (Rear window) ··················\
··················\
···········4-82
Defrosting (Windshield) ··················\
··················\
··········4-101
Digital clock··················\
··················\
··················\
···········4-109
Dimensions ··················\
··················\
··················\
················8-2C
D

I9
Index
Sports mode ··················\
··················\
··················\
·············5-17
Starting difficulties, see engine will not start ··················\
6-3
Starting the engine··················\
··················\
················5-6, 5-9\
Steering wheel···············\
··················\
··················\
·············4-39Horn··················\
··················\
··················\
··················\
···4-40
Electric power steering··················\
··················\
··········4-39
Tilt steering ··················\
··················\
··················\
·········4-39
Steering wheel audio control ··················\
··················\
···4-111
Storage compartment ··················\
··················\
···············4-105 Center console storage ··················\
··················\
········4-105
Glove box ··················\
··················\
··················\
··········4-105
Multi box ··················\
··················\
··················\
···········4-106
Sunglass holder ··················\
··················\
··················\
·4-106
Sunglass holder ··················\
··················\
··················\
······4-106
Sunroof··················\
··················\
··················\
··················\
···4-32
Sunvisor ··················\
··················\
··················\
·················4-10\
7
Tachometer··················\
··················\
··················\
···············4-51
Tether anchor system ··················\
··················\
·················3-33\
Theft-alarm system ··················\
··················\
··················\
··4-14
Tilt steering ··················\
··················\
··················\
··············4-39
Tire specification and pressure label ··················\
·············8-7
Tire chains··················\
··················\
··················\
················5-43
Tire pressure monitoring system (TPMS) ··················\
·····6-7 Tires and wheels ··················\
··················\
·················7-37\
, 8-3
Checking tire inflation pressure ··················\
··············7-38
Compact spare tire replacement ··················\
··············7-42
Recommended cold tire inflation pressures ··············7-37
Tire care··················\
··················\
··················\
···············7-37
Tire maintenance ··················\
··················\
··················\
·7-42
Tire replacement ··················\
··················\
··················\
··7-41
Tire rotation ··················\
··················\
··················\
·········7-39
Tire sidewall labeling ··················\
··················\
············7-43
Tire traction ··················\
··················\
··················\
·········7-42
Wheel alignment and tire balance ··················\
···········7-40
Wheel replacement ··················\
··················\
················7-42
Towing ··················\
··················\
··················\
··················\
···6-20
Trailer towing ··················\
··················\
··················\
··········5-52
Transaxle Automatic transaxle ··················\
··················\
··············5-14
Manual transaxle ··················\
··················\
··················\
·5-11
Trip computer ··················\
··················\
··················\
··········4-53
Trunk ··················\
··················\
··················\
··················\
······4-22
Vehicle break-in process ··················\
··················\
··············1-5
Vehicle certification label··················\
··················\
···5-49, 8-6
Vehicle data collection and event data recorders (EDR) ··················\
··················\
··················\
····1-6
Vehicle identification number (VIN) ··················\
·············8-6
Vehicle load limit ··················\
··················\
··················\
·····5-46 Certification label ··················\
··················\
··················\
5-49T
V