2004 Hyundai Matrix check engine light

DO-IT-YOURSELF MAINTENANCE 6-21
G210A01A-AAT
CHECKING THE BATTERY
WARNING: Batteries can be dangerous! When working
with batteries, carefully observe the follow- ing precautions to avoid serious injuries.
The fluid in the battery contains a strong solu-
tion of sulfuric acid, which is poisonous andhighly corrosive. Be careful not to spill it onyourself or the car. If you do spill battery fluid onyourself, immediately do the following:
o If battery fluid is on your skin, flush the affected areas with water for at least 15 minutes and then seek medical assistance.
o If battery fluid is in your eyes, rinse out your eyes with water and get medical assistanceas soon as possible. While you are beingdriven to get medical assistance, continueto rinse your eyes by using a sponge or softcloth saturated with water.
D010B01FC
G220A01A-AAT
CHECKING ELECTRIC COOLING FANS WARNING: The cooling fan is controlled by engine cool- ant temperature and may sometimes oper-ate even when the engine is not running.Use extreme caution when working near theblades of the coolant fan, so that you are notinjured by a rotating fan blade. As the en-gine coolant temperature decreases the fanwill automatically shut off. This is a normalcondition. G220B01A-AAT
Checking Engine Cooling Fan The engine coolant fan should come on auto- matically if the engine coolant temperature ishigh. G220C01A-AAT
Checking Condenser Cooling Fan The condenser coolant fan should come on automatically whenever the air conditioning isin operation.
G210B01A-AAT
Checking the Battery Keep the battery clean. Any evidence of corro-
sion around the battery posts or terminals shouldbe removed using a solution of household bak-ing soda and warm water. After the batteryterminals are dry, cover them with a light coat-ing of grease.
o If you swallow battery fluid, drink a large
quantity of water or milk followed by milk ofmagnesia, eat a raw egg or drink vegetableoil. Get medical assistance as soon aspossible.
While batteries are being charged (either by abattery charger or by the vehicle’s alternator),they produce explosive gases. Always observethese warnings to prevent injuries from occur-ring:
o Charge batteries only in a well ventilated area.
o Do not permit flames, sparks or smoking in the area.
o Keep children away from the area.

DO-IT-YOURSELF MAINTENANCE
6-22
G240A01A-AAT
POWER STEERING HOSES
It is suggested that you check the power steer-
ing hose connections for fluid leakage at regular intervals. The power steering hoses should bereplaced if there is severe surface cracking,scuffing or worn spots. Deterioration of thehose could cause premature failure. NOTE: Grinding noise from the power steering
pump may be heard immediately after the engine is started in extremely cold condi-tions (below - 20°C). If the noise stops dur-ing warm up, there is no abnormal functionin the system. It is due to a power steeringfluid characteristic in extremely cold condi-tions.
Recommended Fluid Use PSF-3 type fluid NOTE: Do not start the engine when the power
steering oil reservoir is empty. G300A01B-GAT
REMOVAL OF WATER FROM THE FUEL FILTER (DIESEL ENGINE)
If the fuel filter warning light illuminates during driving, it indicates that water has accumulatedin the fuel filter. If this occurs, remove the wateras described below.
G300A01FC
G300B01FC
G230A03A-GAT
POWER STEERING FLUID LEVEL
HFC5004
Gasoline engine
The power steering fluid level should be checked
regularly.
To check the power steering fluid level, be sure
the ignition is "OFF", then check to make cer- tain that the power steering fluid level is be-tween the "MAX" and "MIN" level markings onthe fluid reservoir.
G230A02FC
Diesel engine

DO-IT-YOURSELF MAINTENANCE 6-23
G260A03A-GAT
REPLACING HEADLIGHT BULBS Before attempting to replace a headlight bulb,
be sure the switch is turned to the "OFF" position.
The next paragraph shows how to reach the
headlight bulbs so they may be changed. Besure to replace the burned-out bulb with one ofthe same number and wattage rating.
CAUTION: Keep the lamps out of contact with petro-
leum products, such as oil, gasoline, etc.
1. Loosen the drain plug at the bottom of the
fuel filter.
2. Tighten the drain plug when water no longer comes out.
3. Check to be sure that the warning lamp illuminates when the ignition key is turned to "ON", and that it goes off when the engine isstarted. If in doubt, consult your nearest authorized HYUNDAI dealer.
WARNING: Be sure to carefully wipe away any water
drained out in this manner, because the fuelmixed in the water might be ignited andresult in a fire. 5. Push the bulb spring for removing the head-
light bulb.
6. Remove the protective cap from the replace- ment bulb and install the new bulb by match-ing the plastic base with the headlight hole.Install the dust cover after retightening thebulb spring and reconnect the power cord.
7. Use the protective cap and carton to dis- pose of the old bulb.
8. Check for proper headlight aim.
WARNING The halogen bulb contains gas under pres-
sure and if impacted could shatter, resulting in flying fragments. Always wear eye pro-tection when servicing the bulb. Protect thebulb against abrasions or scratches andagainst liquids when lighted. Turn on thebulb only when installed in a headlight. Re-place the headlight if damaged or cracked.Keep the bulb out of the reach of childrenand dispose of the used bulb with care.
G270A02FC
G270A02A-GAT
HEADLIGHT BULB Replacement instructions:
G270A01FC
1. Allow the bulb to cool. Wear eye protection.
2. Always grasp the bulb by its plastic base, avoid touching the glass.
3. Disconnect the power cord from the bulb base in the back of the headlight.
4. Remove the dust cover.

DO-IT-YOURSELF MAINTENANCE
6-24 If the vehicle has had front body repair and the headlight assembly has been replaced, theheadlight aiming should be checked using anaiming screen as shown in the illustration. Turnon the headlight switch. (Low Beam Position)
1. Adjust headlights so that main axis of light is
parallel to center line of the body and is aligned with point "P" shown in the illustra-tion.
2. Dotted lines in the illustration show the cen- ter of headlights. SPECIFICATIONS: "H" Horizontal center line of headlights from ground. : 656 mm (26.8 in.) "W" Distance between each headlight center.: 1,164 mm (47.7 in.) "L" Distance between the headlights and the wall that the lights are tested against.: 3,000 mm (118 in.).
5. Open the hood.
6. Draw the vertical line (through the center of
each headlight beam pattern) and the hori- zontal line (through the center of each head-light beam pattern) on the aiming screen. And then, draw the horizontal parallel line at 30 mm (1.18 in.) under the horizontal line.
7. Adjust each cut-off line of the low beam to the parallel line with a phillips screwdriver -VERTICAL AIMING.
8. Adjust each cut-off line of the low beam to each vertical line with a phillips screwdriver- HORIZONTAL AIMING.
G290B01FC-GAT
Adjustment After Headlight Assembly Replacement
G290B01Y
Vertical line
Cut-off line Ground line
Horizontal line
LW
H
H "P"30mm(1.18in.)
G290A01FC-GAT
HEADLIGHT AIMING ADJUSTMENT
Before performing aiming adjustment, make sure of the following.
1. Keep all tires inflated to the correct pres- sure.
2. Place the vehicle on level ground and press the front bumper and rear bumper downseveral times. Place the vehicle at a dis-tance of 3,000 mm (118 in.) from the testwall.
3. See that the vehicle is unloaded (except for full levels of coolant, engine oil and fuel, andspare tire, jack, and tools).
4. Clean the head lights lens and turn on the headlight (low beam).
G290A01FC
Horizontal Aiming
Vertical Aiming

INDEX
10-2 Driving
Economical dr iving ........................................................................ 2-10
Smooth cornering .......................................................................... 2-10
Winter driving ................................................................................ 2-10
E Emissions Control Systems ................................................................ 7-1
Engine Before starting the engine ............................................................... 2-2Compartment .......................................................................... 6-1 ~ 6-3
Coolant ................................................................................. 6-8 ~ 6-10
Coolant temperature gauge ........................................................... 1-36
If the engine overheats ................................................................... 3-2
Number ............................................................................................ 8-1
Oil ........................................................................................... 6-4 ~ 6-5Starting ............................................................................................ 2-3
Engine Exhaust Can Be Dangerous ................................................... 2-1
FFold-up Tray ...................................................................................... 1-50
Front Fog Light Sw itch ...................................................................... 1-42
Front Seats Adjustable front seats ..................................................................... 1-9
Lumbar support control ................................................................. 1-10
Seat cushion height adjustment .................................................... 1-10
Fuel Capacity .......................................................................................... 9-1
Gauge ............................................................................................ 1-36
Recommendations ........................................................................... 1-1
Fuel Filler Lid
Remote release ............................................................................. 1-52
Fuse Panel Description .......................................................... 6-26 ~ 6-28
Fuses ...................................................................................... 6-19 ~6-20 GGeneral Checks
.................................................................................. 6-4
Glove box .......................................................................................... 1-47
H Hazard Warning System ................................................................... 1-41
Headlight Aiming Adjustment ........................................................... 6-24
Headlight Bulb ................................................................................... 6-23
Headlight Leveling Device System ........................................ 1-44 ~ 1-45
Heating and Ventilation
Air flow control .............................................................................. 1-58
Air intake control ........................................................................... 1-57
Bi-level heating .............................................................................. 1-59
Fan speed control ......................................................................... 1-57
Heating controls ............................................................................ 1-59
Temperature control ...................................................................... 1-59
High-mounted Rear Stoplight ............................................................ 1-50
Hood Release ................................................................................... 1-51
Horn .................................................................................................. 1-55
IIgnition Switch ..................................................................................... 2-2
Immobilizer System ............................................................................. 1-3
Instrument Cluster and Indicator ............................................ 1-31 ~ 1-35
Instruments and Controls .................................................................. 1-30
Interior Light Interior light ................................................................................... 1-47
Map light ........................................................................................ 1-46
Intermittent Wiper .............................................................................. 1-41
JJump Starting ...................................................................................... 3-1

CONTROLS AND EQUIPMENT
1- 30 SB210E1-E
OVERDRIVE OFF INDICATOR LIGHT (Not all models)
When the overdrive (4th gear) switch is turned off and the operation of overdrive (4th gear) is cancelled, the overdrive warning light (O/D OFF) will be illuminated. When the switch is at the on position, the gearbox will operate in the normal fully automatic mode and the warning light will be extinguished.
B260P02Y-EAT
ABS SERVICE REMINDER INDICATOR (SRI)(Not all models)
When the key is turned to the "ON" position, the Anti-Lock Brake System SRI will come on and then go off in a few seconds. If the ABS SRI remains on, comes on while driving, or does not come on when the key is turned to the "ON" position, this indicates that there may be a problem with the ABS. If this occurs, have your vehicle checked by your Hyundai dealer as soon as possible. The normal braking system will still be operational, but without the assistance of the anti-lock brake system.
CAUTION: If the both ABS SRI and Parking Brake/Brake fluid level warning lights remain "ON" or come on while driving, there may be a
problem with E.B.D (Electronic Brake Force Distribution). If this occurs, avoid sudden stops and have your vehicle checked by your Hyundai dealer as soon as possible. SB210K1-E
OIL PRESSURE WARNING LIGHT
CAUTION: If the oil pressure light illuminates when the engine is running, an insufficient oil pressure level for continued safe opera- tion of the engine exists. Continued opera- tion of the engine in this condition may result in serious engine damage. Under normal circumstances, the light will illuminate when the ignition is turned "on" and will be extinguished when the engine is started.If the oil pressure warning light illuminates whilst the engine is running, stop the engine immediately and check the engine oil level. If the level is insufficient, add the required amount of oil as indicated by the engine oil dipstick. If the light fails to extinguish when the engine is restarted, do not continue to operate the ve- hicle. If the oil pressure light illuminates during nor-mal operation and the cause is not an insuffi- cient oil level, or the light fails to illuminate when the ignition is turned "on", contact the nearest Hyundai dealer before further operat- ing the vehicle.
SB210G1-E TURN SIGNAL INDICATOR LIGHT
Operation of a turn signal is indicated by the warning light located in the instrument cluster. If the light fails to illuminate or does not flash, a malfunction within the turn signal system is indicated.
SB210J1-E HIGH BEAM INDICATOR LIGHT
The high beam indicator light will illuminate whenever the headlights are switched to high beam of flash position.
SB210C1-F
SRS (Airbag) SERVICE REMINDER INDICATOR
The SRS service reminder indicator (SRI) comes on and flashes for about 6 seconds after the ignition key is turned to the "ON" position or after the engine is started, after which it will go out. This light also comes on when the SRS is not working properly. If the SRI does not come on, or continuously remains on after flashing for about 6 seconds when you turned the ignition key to the "ON" position or started the engine, or if it comes on while driving, have the SRS inspected by an authorized Hyundai Dealer.
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1- 31
CONTROLS AND EQUIPMENT
circuits becoming defective, approximately fifty per cent of the normal braking perfor- mance will be available. If failure of one of the circuits occurs, therequired amount of pedal effort, pedal travel and stopping distance will be increased. Use of the gearbox is recommended to assist in bringing the vehicle to rest. The vehicle must not be driven once brake failure has occurred until the system has been repaired and is functioning normally. The braking system employs a vacuum servo in order that the pedal efforts are reduced. Power for the servo is derived from the engine and therefore, in the event of the engine stopping or the vehicle being towed, pedal efforts will be substantially increased.
SB210L2-E
PARKING BRAKE/BRAKE FLUID LEVEL WARNING LIGHT
WARNING: In the event of problems being suspected with the braking system, the advice of the nearest Hyundai dealer must be sought before the vehicle is driven. Driving the vehicle with either an electrical or hydrau- lic braking system defect may be danger- ous, resulting in accident or personal in- jury. Warning light operation The parking brake/brake fluid level warning light will be illuminated whenever the ignition switch is turned to the "ON" position irrespec- tive of whether or not the parking brake is applied and must be extinguished when the engine starts and the parking brake released. If the warning light fails to extinguish or illumi-nates at any other time, the vehicle must be brought to rest in a safe location and the level of brake fluid in the reservoir checked. If the fluid level is incorrect, fluid conforming to DOT 3 or DOT 4 specifications should be added. If, after correcting the brake fluid level, the warn- ing light continues to be illuminated, the ad- vice of the nearest Hyundai dealer must be sought before the vehicle is driven again.The Hyundai Matrix is equipped with a diago- nally split dual braking system which will en- sure that in the event of one of the brake
CAUTION: If the drive belt (generator belt) is loose,broken, or missing whilst the vehicle is driving, there may be a serious malfunc- tion, engine could overheat because this belt also drives the water pump.
SB210M1-E CHARGING SYSTEM WARNING LIGHT
The charging system warning light should illuminate when the ignition switch is turned to the "ON" position and should be extinguished when the engine is started. If the light fails to illuminate when the ignition is turned "ON" or fails to extinguish after starting the engine, the nearest Hyundai dealer should be contacted. If the light illuminates whilst the vehicle is being driven, stop the vehicle as soon as it is safe to do so and check the condition of the generator drive belt. If the belt is in place and the tension is satisfactory, the advice of a Hyundai dealer should be sought.
B260B01FC-EAT TAIL GATE OPEN WARNING LIGHT
The tail gate warning light indicates when the tail gate is open or is not fully closed. Ensure that the light has extinguished prior to driving the vehicle. SB2100I-E DOOR AJAR WARNING LIGHT
The door ajar warning light indicates that a door is not correctly closed. Ensure that the light is extinguished prior to driving the vehicle.
SB210P1-E LOW FUEL LEVEL WARNING LIGHT
The low fuel warning light serves to warn the driver that the remaining fuel quantity is ap- proximately 9 litres and that the vehicle should be refuelled. If the vehicle is driven for an extended period with the low fuel warning light illuminated there exists a possibility that mis- firing due to fuel shortage may occur. This situation must be avoided to prevent damage to the catalyst occurring.
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CONTROLS AND EQUIPMENT
1- 32 SB210S1-E BRAKE PAD WEAR INDICATORThe front brake disc pads are fitted with an audible wear indicator which will cause a high pitched noise to be emitted when the remain- ing amount of friction lining is below the speci- fied value. When the wear indicator is heard, the brake pads should be replaced without delay to avoid damage occurring to the brake discs and a severe reduction in braking effi- ciency.
B260N02FC-EAT
MALFUNCTION INDICATOR LIGHT
This light illuminates when there is a malfunc- tion of an exhaust gas related component, and the system is not functioning properly so that the exhaust gas regulation values are not satisfied. This light will illuminate when the ignition key is tuned to the "ON" position, and will go out after the engine start. If it illumi- nates while driving, or does not illuminate when the ignition key is turned to the "ON" position, take your car to your nearest autho- rized Hyundai dealer and have the system checked.
B260S01B-GAT DIESEL PRE-HEAT INDICATOR LIGHT(Diesel Engine)
The indicator light illuminates amber when the ignition switch is placed at the "ON" position. The engine can be started after the pre-heat indicator light goes off. The illuminating time varies with the water temperature, air tem- perature and battery condition. NOTE: If the engine were not started 10 seconds after the preheating is completed, turn the ignition key once more to the "LOCK" position, and then to the "ON" position, in order to preheat again.
B265A01B-GAT FUEL FILTER WARNING LIGHT (Diesel Engine)
This light illuminates when the ignition switch is set to the "ON" position and goes off after the engine has started. If it lights up while the engine is running, it indicates that water has accumulated inside the fuel filter. If this hap- pens, remove the water from the fuel filter.(Refer to "6-21 page")
B260C02E-EAT
TRACTION CONTROL INDICATOR LIGHT(Not all models)
The traction control indicator changes opera- tion according to the ignition switch position and whether or not the system is in operation.It will also illuminate when the ignition key is turned to the "ON" position, and then go off in a few seconds. If the TCS indicator stays on, take your car to your authorized Hyundai dealer and have the system checked. See section 2 for more information about the TCS system.
B270B02O-EAT PARKING START WARNING SOUND (Not all models) If the vehicle is driven at 6mph(10km/h) for more than 2~3 seconds, the warning chime will sound continuously when the parking brake engaged.
B900A01A-EAT ACOUSTIC WARNING SOUND (Not all models) The acoustic warning chime sounds when the tail lights are on and the door in driver side is open. This prevents the battery from dis- charging when the car is left with the tail lights on. The chime sounds until the tail lights are turned off.
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