2009 Hyundai Elantra ECU

729
Maintenance
For best battery service
Keep the battery securely mounted.
Keep the battery top clean and dry.
Keep the terminals and connectionsclean, tight, and coated with petroleum
jelly or terminal grease.
Rinse any spilled electrolyte from the battery immediately with a solution of
water and baking soda.
If the vehicle is not going to be used for an extended time, disconnect the bat-
tery cables.
WARNING - Battery
dangers
Always read the following
instructions carefully when
handling a battery.
Keep lighted cigarettes and all other flames or sparks
away from the battery.
Hydrogen, a highly com- bustible gas, is always
present in battery cells and
may explode if ignited.
Keep batteries out of the
reach of children because
batteries contain highly
corrosive SULFURIC ACID.
Do not allow battery acid to
contact your skin, eyes,
clothing or paint finish.
(Continued)(Continued)If any electrolyte gets intoyour eyes, flush your eyes
with clean water for at least
15 minutes and get immedi-ate medical attention.
If electrolyte gets on your
skin, thoroughly wash the
contacted area. If you feel a
pain or a burning sensa-
tion, get medical attention
immediately.
Wear eye protection when charging or working near a
battery. Always provide
ventilation when working in
an enclosed space.
An inappropriately disposed battery can be harmful to
the environment and human
health. Dispose the battery
according to your local
law(s) or regulation.
(Continued)
BATTERY
OHD076024

Maintenance
44
7
Main fuse
If the main fuse is blown, it must be
removed as follows:
1. Disconnect the negative battery cable.
2. Remove the nuts shown in the picture
above.
3. Replace the fuse with a new one of the same rating.
4. Reinstall in the reverse order of removal. ✽
✽
NOTICE
If the main fuse is blown, consult an
Authorised Hyundai Dealer.CAUTION
After checking the fuse box in the
engine compartment, securelyinstall the fuse box cover. If not, electrical failures may occur from
water leaking in.
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Maintenance
48
7
Engine compartment
Description Fuse rating Protected component
ALTERNATOR 150A Alternator, Fusible link box(D4FB)
EPS 80A EPS control module
ABS.2 20A ESP control module, ABS control module, Multi purpose check connector
ABS.1 40A ESP control module, ABS control module, Multi purpose check connector
B+.1 50A Instrument panel junction box
Fusible link RR HTD 40A Instrument panel junction box BLOWER 40A Blower relay
C/FAN 40A Condenser fan #1, 2 relay
B+.2 50A Instrument panel junction box
IGN.2 40A Ignition switch, Start relay
IGN.1 30A Ignition switch
ECU 30A Main relay, Powertrain control module(G4GC)
SPARE.1 20A (Spare)
FR FOG 15A Front fog lamp relay
A/CON 10A A/C relay
HAZARD 15A Hazard switch, Hazard relay
F/PUMP 15A Fuel pump relay
ECU.1 10A ECM(G4FC), PCM(G4FC), TCM(D4FB)
Fuse ECU.3 10A ECM(D4FB) ECU.4 20A ECM(D4FB)
INJ 15A A/C relay, Fuel pump relay, Injector #1,2,3,4(G4FC/G4GC), PCM(G4FC/G4GC), Idle speed actuator(G4FC/G4GC), Immobiliser module(D4FB) etc.
SNSR.2 10A Pulse generator 'A', 'B, 'TCM(D4FB), Stop lamp switch(G4FC/G4GC), Vehicle speed sensor etc.
HORN 15A Horn relay

749
Maintenance
Description Fuse rating Protected componentABS 10A ESP control module, ABS control module, Multi purpose check connector
ECU.2 10A Ignition coil #1,2,3,4(G4FC), PCM(G4GC)
B/UP 10A Back up lamp switch, Transaxle range switch, Cruise control module
H/LP LO RH 10A Head lamp(RH), Head lamp leveling actuator(RH)
Fuse H/LP LO LH 10A Head lamp(LH), Head lamp leveling actuator(LH), Head lamp leveling switch H/LP HI 20A Head lamp Hi relay
SNSR.1 10A Immobiliser module(G4FC/G4GC), Stop lamp switch(D4FB), Lambda sensor(D4FB) etc.
SPARE 10A (Spare)
SPARE 15A (Spare)
SPARE 20A (Spare)

Maintenance
54
7
3. Remove the socket from the assembly
by turning the socket counterclockwise
until the tabs on the socket align with
the slots on the assembly.
4. Remove the bulb from the socket by pressing it in and rotating it counter-
clockwise until the tabs on the bulb
align with the slots in the socket. Pull
the bulb out of the socket.
5. Insert a new bulb by inserting it into the socket and rotating it until it locks
into place.
6. Install the socket in the assembly by aligning the tabs on the socket with the
slots in the assembly. Push the socket
into the assembly and turn the socket
clockwise.
7. Install the service cover by putting it into the service hole. High mounted stop light bulb replacement
If the light bulb is not operating, have the
vehicle checked by an authorised
Hyundai dealer.
License plate light bulb replace- ment
1. Loosen the lens retaining screws with
a cross-tip screwdriver.
2. Remove the lens.
3. Remove the bulb by pulling it straight out.
4. Install a new bulb.
5. Reinstall the lens securely with the lens retaining screws.
OHD0760391JBA7031OHD076040