2015 HYUNDAI TUCSON ECU

7-44
Maintenance
For best battery service
Keep the battery securely mount-ed.
Keep the battery top clean and dry.
Keep the terminals and connec- tions clean, tight, and coated with
petroleum jelly or terminal grease.
Rinse any spilled acid from the bat- tery immediately with a solution of
water and baking soda.
When you do not use the vehi-
cle for a long time in a low
temperature area, disconnect
the battery and keep it
indoors.
Always charge the battery
fully to prevent battery case
damage in low temperatureareas.
CAUTION
CALIFORNIA PROPOSITION 65
WARNING
Battery posts, terminals, and related accessories containlead and lead compounds,
chemicals known to the State of
California to cause cancer, birth
defects and reproductive harm.Batteries also contain other
chemicals known to the State of
California to cause cancer.
Wash hands after handling.
WARNING
OLMB073025
(Continued)
NEVER attempt to recharge
the battery when the vehicle’s
battery cables are connected
to the battery.
The electrical ignition system
works with high voltage.
NEVER touch these compo-nents with the engine running
or when the ignition switch isin the ON position.

7-70
Maintenance
Description Fuse ratingProtected component
MDPS 10A MDPS Unit
B/UP LAMP 10A BCM, Audio, Electro Chromic Mirror, Rear Combination Lamp (IN) Left/Right, A/V & Navigation Head Unit
DR LOCK 15A Door Lock Relay, Tail Gate Relay, Door Unlock Relay, ICM Relay Box (Two Turn Unlock Relay)
MODULE 2 7.5A BCM, Smart Key Control Module
WIPER RR 15A ICM Relay Box (Rear Wiper Relay), Rear Wiper Motor, Multifunction Switch (Wiper)
SUNROOF 15A Sunroof Motor
IG 1 20A Engine Room Fuse & Relay Box(ECU 2 7.5A, ABS 3 7.5A, TCU 2 7.5A)
A/CON 7.5A A/C Control Module
S/HEATER RR 15A ICM Relay Box (Rear Seat Heater Left/Right Relay)
P/WDW RH 25A Power Window Main Switch, Passenger Power Window Switch, Rear Right Power Window Switch
FOLD'G MIRR 10A -
P/SEAT (DRV) 20A Driver Seat Manual Switch
SMART KEY 10A Smart Key Control Module, Engine Start/Stop Button
PDM 15A Smart Key Control Module
P/WDW LH 25A Power Window Main Switch, Rear Left Power Window Switch
AMP 25A AMP
HTD MIRR 7.5A Rear Defogger Switch, Driver/Passenger Power Outside Mirror
SAFETY POWER
WINDOW 20A Driver Safety Power Window Module
MODULE 5 7.5A ATM Shift Lever, Tire Pressure Monitoring Module
HAZARD 15A ICM Relay Box (Flasher Sound Relay), BCM

7-72
Maintenance
Engine compartment main fuse panel
Description Fuse ratingProtected component
MULTI FUSE MDPS 80A MDPS Unit
B+1 60A Smart Junction Box (DR LOCK 15A, HAZARD 15A, PDM 15A, S/HEATER RR 15A)
ABS 2 40A Multipurpose Check Connector, ESC Module
ECU 4 40A EMS Box (TCU 1 15A, ECU 3 30A, A/CON 10A, F/PUMP 15A)
ABS 1 40A Multipurpose Check Connector, ESC Module
BLOWER 40A Blower Relay
B+3 60A
Smart Junction Box (P/SEAT(DRV) 20A, SAFETY POWER WINDOW 20A, SMART KEY 10A,
MODULE 5 7.5A, Power Connector (AUDIO 1 10A, ROOM LAMP 10A), IPS-1CH, IPS-2CH)
B+2 60A Smart Junction Box (Power Window Relay, SUNROOF 15A, AMP 25A, IPS-1CH)
FUSE C/FAN 40A Engine Room Fuse & Relay Box (C/FAN LO Relay, C/FAN HI Relay)
RR HTD 40A Engine Room Fuse & Relay Box (RR HTD Relay)
B+ 4 30A Engine Room Fuse & Relay Box (H/LAMP HI 10A)
IG 1 30A Ignition Switch, PDM Relay Box (IGN 1 Relay)
IG 2 40A Engine Room Fuse & Relay Box (Start Relay), Ignition Switch, PDM Relay Box (IGN 2 Relay)
HORN 15A Engine Room Fuse & Relay Box (Horn Relay, B/A Horn Relay)
DEICER 15A Engine Room Fuse & Relay Box (Deicer Relay)
STOP LAMP 10A Stop Lamp Switch, Stop Signal Electric Module, Smart Key Control Module
AMS 10A Battery Sensor
4WD 20A 4WD ECM
H/LAMP HI 10A Engine Room Fuse & Relay Box (H/LAMP HI Relay)
ECU 2 7.5A PCM/ECM, Clock Spring
ABS 3 7.5A Multipurpose Check Connector, ESC Module
TCU 2 15A Transaxle Range Switch (A/T), Vehicle Speed Sensor (M/T), Back-up Lamp Switch (M/T)
F/PUMP 15A EMS Box(F/PUMP Relay)

7-73
7
Maintenance
Description Fuse ratingProtected component
FUSE SENSOR 4 15A
E/R Fuse & Relay Box(C/FAN HI, LO Relay), EMS Box(F/PUMP Relay),
Oxygen Sensor (Up, Down)
SENSOR 3 10A EMS Box(A/CON Relay)
SENSOR 2 10A (Not Used)
SENSOR 1 10A PCM
TCU 1 15A EMS Box(A/CON Relay)
A/CON 10A Immobilizer Module, Crankshaft Position Sensor, Camshaft Position Sensor #1/2,
Oil Control Valve #1/2, Purge Control Solenoid Valve, Variable Intake Manifold Valve,
Canister Close Valve
ECU 1 20A Ignition Coil (#1, #2, #3, #4), Condenser
ECU 3 30A EMS Box(Engine Control Relay)

7-81
7
Maintenance
4. Loosen the retaining nuts andremove the spoiler.
5. Remove the high mounted stop light assembly (A) after loosening
the nuts and washer nozzle (B).
6. Reinstall a new light assembly in the reverse order of removal.
License plate light bulb replacement
1. Loosen the lens retaining screwswith a philips head 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.
OLMB073105
A
B
OLMB073054

I-3
Anti-lock brake system (ABS) ...................................5-31
Electronic stability control (ESC) ..............................5-34
Vehicle stability management (VSM) ........................5-37
Hill-start assist control (HAC) ...................................5-39
Downhill brake control (DBC) ..................................5-40
Bulb replacement ............................................................7-74
Bulb wattage .....................................................................8-2
Button start/stop, see engine start/stop button ..................5-8
California perchlorate notice ..........................................7-94
Care
Tire care ......................................................................7-47
Exterior care ...............................................................7-83
Interior care ................................................................7-88
Cargo security screen ....................................................3-123
CD player ........................................................................4-16
Center console storage ..................................................3-116
Central door lock switch .................................................3-16
Chains Tire chains ..................................................................5-56
Changing a Tire with TPMS ...........................................6-13
Changing tires .................................................................6-16
Check tire inflation pressure ...........................................7-49
Checking the engine oil lever .........................................7-27
Child restraint system (CRS) ..........................................2-36 Selecting a Child Restraint System (CRS).................2-37
Installing a Child Restraint System (CRS) ................2-39 Child-protector rear door lock ........................................3-18
Cigarette lighter ............................................................3-118
Climate control air filter ...............................................3-101
Climate control air filter .................................................7-38
Combined instrument, see instrument cluster ................3-20
Compact spare tire replacement .....................................7-52
Compass with Electric chromic mirror...........................3-46
Consumer information ......................................................8-8
Coolant ............................................................................7-29
Cooling fluid, see engine coolant ...................................7-29
Crankcase emission control system ................................7-90
Cruise control system .....................................................5-45
Cup holder .....................................................................3-119
Dashboard illumination, see instrument panel illumination.3-21
Dashboard, see instrument cluster ..................................3-20
Day/night rearview mirror ..............................................3-44
Daytime running light .....................................................3-80
Defogging (Windshield)................................................3-112
Defroster (Rear window) ................................................3-91
Front windshield defroster .........................................3-92
Defrosting (Windshield)................................................3-112
Digital clcok..................................................................3-121
Dimensions .......................................................................8-2
Display illumination, see instrument panel illumination ....3-21
Displays, see instrument cluster .....................................3-20
I
Index
C
D

I-6
Sun visor ...................................................................3-119
Power outlet..............................................................3-120
Digital clock .............................................................3-121
Floor mat anchor(s) ..................................................3-122
Luggage net (holder) ................................................3-122
Cargo security screen ...............................................3-123
Interior light ....................................................................3-84
Front lamp ..................................................................3-85
Rear lamp ...................................................................3-85
Vanity mirror lamp .....................................................3-86
Luggage room lamp ...................................................3-86
Glove box lamp ..........................................................3-86
Interior overview...............................................................1-4
Jack and tools..................................................................6-15
Jump starting .....................................................................6-5
Label
Tire sidewall labeling .................................................7-53
Vehicle certification label .............................................8-6
Tire specification and pressure label ............................8-7
Refrigerant label ...........................................................8-7
Light bulbs ......................................................................7-74 Lighting ...........................................................................3-79
Battery saver function ................................................3-81
Headlight (Headlamp) escort function .......................3-82
Parking light position .................................................3-79
Headlight position ......................................................3-79
Auto light position......................................................3-80
High - beam operation................................................3-81
Turn signals ................................................................3-83
Front fog light ............................................................3-83
Daytime running light ................................................3-80
Hazard warning flasher ..............................................3-84
Lubricants and capacities..................................................8-4
Luggage net (holder).....................................................3-122
Luggage room lamp ........................................................3-86
Main fuse ........................................................................7-66
Maintenance
Maintenance services ...................................................7-4
Owner maintenance ......................................................7-6
Scheduled maintenance service....................................7-8
Explanation of scheduled maintenance items ............7-24
Tire maintenance ........................................................7-53
Maintenance schedule .......................................................7-8
Maintenance services ........................................................7-4
Manual climate control system .......................................3-93 Heating and air conditioning ......................................3-94
Air conditioning .........................................................3-98
Index
L
M
J