check engine Hyundai Atos 2002 Service Manual

FEATURES OF YOUR HYUNDAI
1-18 ZB110G2-E
TURN SIGNAL INDICATOR LIGHT
The blinking green arrow on the instrument panel shows the direction indicated by the turnsignals. If the arrow comes on but does notblink, blinks more rapidly than normal or doesnot blink at all, a malfunction in the turn signalsystem is indicated.
B260P02Y-AAT ABS SERVICE REMINDER INDICATOR (SRI) (Not all models)
When the key is turned to the “ON” position, the ABS light will come on and then go off in a fewseconds. If the ABS light remains on, comes on while
driving, or does not come on when the key isturned to the “ON” position, this indicates thatthere may be a problem with the ABS.
If this occurs, have your vehicle checked by
your Hyundai dealer as soon as possible. Thenormal braking system will still be operational,but without the assistance of the anti-lock brakesystem.
CAUTION: If the both ABS SRI and Parking Brake/
Brake fluid level warning lights remain "ON" or come on while driving, there may be aproblem with E.B.D (Electronic brake forcedistribution).
If this occurs, avoid sudden stops and have
your vehicle checked by your Hyundai dealeras soon as possible. 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) iscancelled, the overdrive warning light (O/D OFF)will be illuminated. When the switch is at the onposition, the gearbox will operate in the normalfully automatic mode and the warning light willbe extinguished.
ZB110J2-E HIGH BEAM INDICATOR LIGHT
This light is coloured blue and should illuminate only when the headlight upper beam is on.
B260E02A-GAT SEAT BELT REMINDER LIGHT
The seat belt reminder light comes on until your seat belt is fastened when the ignition key isturned from the "OFF" position to "ON" or"START".
ZB110K2-E OIL PRESSURE WARNING LIGHT
The oil pressure warning light will illuminate when insufficient oil pressure exists for safeengine operation. The light should illuminate when the ignition is turned on and should be extinguished as soonas the engine is started.
ZB110L3-E PARKING BRAKE, BRAKE CIRCUIT FAILURE WARNING LIGHT
This light will be illuminated when the hand brake is applied and the ignition on, and shouldgo out when the hand brake is released. Thevehicle should not be driven until the handbrake has been released and the light go out. Italso will be illuminated if the brake fluid level inthe reservoir falls to the MIN. mark. If the lightilluminates while driving pull off the road ifpossible and stop immediately. Contact yournearest authorized dealer and have the systemchecked.
CAUTION: Operation of the engine with low oil pres- sure may result in serious damage to theengine. Should the oil pressure light fail to extinguish after starting or illuminate when the engine isrunning, the engine must be stopped immedi-ately. If the engine oil level is low, add a suffi-cient quantity of oil to raise the level to the fullmarking on the dip stick. Restart the engine andcheck that the warning light is extinguished.Should the light still be illuminated, stop theengine immediately and seek assistance fromthe nearest Hyundai dealer.

FEATURES OF YOUR HYUNDAI 1-19
YB110C1-A
SRS (Airbag) SERVICE REMINDER INDICATOR(Not all models)
The SRS service reminder indicator (SRI) comes
on and flashes for about 6 seconds after the ignition key is turned to the “ON” position orafter the engine is started, after which it will goout.
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 secondswhen you turned the ignition key to the “ON”position or started the engine, or if it comes onwhile driving, have the SRS inspected by anauthorized Hyundai Dealer.
ZB110P2-E LOW FUEL LEVEL WARNING LIGHT
The low fuel level warning light comes on when the fuel tank is approaching empty. When itcomes on, you should add fuel as soon aspossible. Driving with the fuel level warning lighton or with the fuel level below "E" can cause theengine to misfire.
ZB110R1-E BRAKE PAD WEAR WARNING SOUNDWhen the brake pads of the front brakes be-
come worn to almost the limit of use, a metalfriction squealing sound will be heard as awarning to the driver that the brakes should bechecked. When this sound is heard, replace thebrake pads with new ones.
ZB110Q2-A MALFUNCTION INDICATOR LIGHT
This light illuminates when there is a malfunc- tion of an exhaust gas related component, andthe system is not functioning properly so that
B260L01A-GAT DOOR AJAR WARNING LIGHT
The door ajar warning light warns you that a
door is not completely closed.
ZB110M2-E CHARGING WARNING LIGHT
This red warning light indicates malfunctioning of the alternator and electrical charging system.If this warning light glows when the ignitionswitch is in the "ON" position (engine off), thebulb and electrical wiring are satisfactory. Thelight should go out when the engine is started.If the light glows when the engine is running, thealternator and electrical system should bechecked as soon as possible.
Warning Light Operation The parking brake/brake fluid level warning
light should come on when the parking brake is applied and the ignition switch is turned to "ON"or "START". After the engine is started, the lightshould go out when the parking brake is re-leased.
If the parking brake is not applied, the warning
light should come on when the ignition switch isturned to "ON" or "START", then go out whenthe engine starts. If the light comes on at anyother time, you should slow the vehicle andbring it to a complete stop in a safe location offthe roadway.
The brake warning light indicates that the brake
fluid level in the brake master cylinder is lowand hydraulic brake fluid conforming to DOT 3or DOT 4 specifications should be added. Afteradding fluid, if no other trouble is found, the carshould be immediately and carefully drivento a Hyundai dealer for inspection. If furthertrouble is experienced, the vehicle should notbe driven at all but taken to a dealer by aprofessional towing service or some other safemethod.
Your Hyundai is equipped with dual-diagonal
braking systems. This means you still havebraking on two wheels even if one of the dualsystems should fail. With only one of the dualsystems working, more than normal pedal trav-el and greater pedal pressure are required tostop the car. Also, the car will not stop in asshort a distance with only half of the brakesystem working. If the brakes fail while you are driving, shift to a lower gear for additional en-gine braking and stop the car as soon as it issafe to do so.

FEATURES OF YOUR HYUNDAI
1-20 WARNING: Never remove the radiator cap when the engine is hot. The engine coolant is underpressure and could erupt and cause severeburns. Wait until the engine is cool beforeremoving the radiator cap. The needle on the engine coolant temperature
gauge should stay in the normal range. If itmoves across the dial to “H” (Hot), pull over and stop as soon as possible and turn off the engine. Then open the hood and check thecoolant level and the water pump drive belt. If
you suspect cooling system trouble, have yourcooling system checked by Hyundai dealer assoon as possible.
The needle on the gauge indicates the fuel levelin the fuel tank. The fuel capacity is given insection 9. NOTE: The engine should not be operated below the “E” mark of the fuel gauge and with thelow fuel level warning lamp on, or seriousengine damage or misfire may result. B290A02A-AAT ENGINE COOLANT TEMPERATURE GAUGE
ZB110S1-E FUEL GAUGE
B900A01A-GATACOUSTIC 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 discharg-ing when the car is left with the tail lights on.The chime sounds until the tail lights are turnedoff.
the exhaust gas regulation values are not sat-isfied. This light will also illuminate when theignition key is turned to the “ON” position, andthen it will go out in a few seconds. If it illumi-nates while driving, or does not illuminate whenthe ignition key is turned to the “ON” position,take your car to your nearest authorized Hyundaidealer and have the system checked.
B280A01XB290A01X

FEATURES OF YOUR HYUNDAI
1-30
B570A02A
WARNING: Make sure that the support rod has been
released prior to closing the bonnet. Alwaysdouble check to be sure that the bonnet isfirmly latched before driving away. If it is notlatched, the bonnet could fly open while thevehicle is being driven, causing a total lossof visibility, which might result in an acci-dent. The support rod must be insertedcompletely into the hole provided in thebonnet whenever you inspect the enginecompartment. This will prevent the bonnetfrom falling and possibly injuring you. Donot move the vehicle with the bonnet in theraised position, as vision is obstructed andthe bonnet could fall or be damaged.
B570A01A-EAT BONNET RELEASE
B560A02A
WARNING: Gasoline vapors are dangerous. Before re-
fueling, always stop the engine and never allow sparks or open flames near the fillerarea. If you need to replace the filler cap, usea genuine Hyundai replacement part.
If you open the fuel filler cap during high
ambient temperatures, a slight “pressuresound” may be heard. This is normal andnot a cause for concern.
Whenever you open the fuel filler cap, turn
it slowly.XV10860E
1. Pull the release knob to unlatch the bonnet.
2. Press the safety catch lever up and lift the bonnet.
3. Hold the bonnet open with the support rod.
Before closing the bonnet, return the support rod to its clip to prevent it from rattling. Lowerthe bonnet until it is about 1 ft. (30 cm) abovethe closed position and let it drop. Make surethat it locks into place.

DRIVING YOUR HYUNDAI 2- 1
C010A01A-AATWARNING : ENGINE EXHAUST CAN BE DANGEROUS!
Engine exhaust fumes can be extremely dangerous. If, at any time, you smell exhaust fumes inside the vehicle, open the
windows immediately.
o Do not inhale exhaust fumes. Exhaust fumes contain carbon monoxide, a colorless, odorless gas that can cause unconsciousness and death by
asphyxiation.
o Be sure the exhaust system does not leak.
The exhaust system should be checked whenever the vehicle is raised to change the oil or for any other purpose. If you
hear a change in the sound of the exhaust or if you drive over something that strikes the underneath side of the car, have the exhaust system checked as soon as possible by your Hyundai dealer.
o Do not run the engine in an enclosed area.
Letting the engine idle in your garage, even with the garage door open, is a hazardous practice. Never run the engine in
your garage any longer than it takes to start the engine and back the car out.
o Avoid idling the engine for prolonged periods with people inside the car.
If it is necessary to idle the engine for a prolonged period with people inside the car, be sure to do so only in an open area
with the air intake set at “Fresh” and fan operating at one of the higher speeds so fresh air is drawn into the interior.
If you must drive with the tail gate open because you are carrying objects that make this necessary:
1. Close all windows.
2. Open side vents.
3. Set the air intake control at “Fresh”, the air flow control at “Floor” or “Face” and the fan at one of the higher speeds. To assure proper operation of the ventilation system, be sure the ventilation air intakes located just in front of the windshie ld
are kept clear of snow, ice, leaves or other obstructions.
ZC000A1-E
2. DRIVING YOUR HYUNDAI
2

DRIVING YOUR HYUNDAI
2- 2 C020A01A-EAT
BEFORE STARTING THE ENGINE
Before you start the engine, you should always:
o Look around the vehicle to be sure there are no flat tyres, puddles of oil or water or other indications of possible trouble.
o After entering the car, check to be sure the parking brake is engaged.
o Check that all windows, and lights are clean.
o Check that the interior and exterior mirrors are clean and in position.
o Check your seat, seatback and headrestraint to be sure they are in their proper positions.
o Lock all the doors.
o Fasten your seat belt and be sure that all other occupants have fastened theirs.
o Turn off all lights and accessories that are not needed.
o When you turn the ignition switch to "ON", check that all appropriate warning lights are operating and that you have sufficient fuel.
o Check the operation of warning lights and all bulbs when key is in the "ON" position. o To start the engine, insert the ignition key
and turn it to the "START" position. Releaseit as soon as the engine starts. Do not hold
the key in the "START" position for morethan 15 seconds.
NOTE: For safety, the engine will not start if the
shift lever is not in "P" or "N" Position (AutoT/A). ZC050A2-E
KEY POSITIONS "START"
The engine is started in this position. It will crank untill you release the key. NOTE: Do not hold the key in the "START" position for more than 15 seconds.
"ON" When the key is in the "ON" position, the ignition is on and all accessories may be turned on. If theengine is not running, the key should not be leftin the "ON" position. This will discharge thebattery and may also damage the ignition sys-tem. "ACC" With the key in the "ACC" position, the radio and other accessories may be operated. "LOCK" The key can be removed or inserted in this position. Steering is locked by removing the key.When unlocking the steering, insert the key, andthen turn the steering wheel and key simulta-neously.
C040A01E
LOCK
ACC
ON
STARTC030A02X-GAT
COMBINATION IGNITION SWITCH To Start the Engine
o If your Hyundai is equipped with a manual transaxle, place the shift lever in neutral and depress the clutch pedal fully.
o If your Hyundai has an automatic transaxle, place the shift lever in "P" (park). WARNING:
The engine should not be turned off or thekey removed from the ignition key cylinderwhile the car is in motion.

DRIVING YOUR HYUNDAI 2- 3
C050A01A-AAT
STARTING (For Multiport Fuel Injection)
Normal starting with either a cold or warm
engine is obtained without pumping or depress- ing the accelerator pedal. Simply turn the key to
the "START" position and release when the
engine starts.
After the engine has started, allow the engine to
run for 10 to 20 seconds prior to placing thevehicle in gear.
The starter should not be operated for more
than 15 seconds at a time. Wait 15-30 secondsbetween starting attempts to protect the starterfrom overheating.
WARNING:Never run the engine in a closed or poorly
ventilated area any longer than is needed tomove your car in or out of the area. Thecarbon monoxide gas emitted is odorlessand can cause serious injury or death. C050B02X-GAT
Normal Conditions:
The Starting Procedure:
1. Insert key, and fasten the seat belt.
2. Depress the clutch pedal fully (manual transaxle) and place the gearshift lever in neutral (manual transaxle) or the selectorlever (automatic transaxle) in "P" (park)position.
3. After turning the ignition key to the "ON" position, make certain all warning lights andgauges are functioning properly before start-
ing the engine.
WARNING: Be sure that the clutch is fully depressed
when starting a manual transaxle vehicle. Otherwise, there is the potential to cause
damage to the vehicle or injury to someoneinside or outside the vehicle as a result ofthe forward or backward movement of the
vehicle that will occur if the clutch is notdepressed when the vehicle is started.
4. Turn the ignition key to the "Start" position and release it when the engine starts. DC090C1-E
FUEL ECONOMY
The following suggestions are made to assist in
achieving the greatest degree of fuel economy.
o Maintaining a constant check on fuel con- sumption will enable the most economical use pattern and driving style to be adopted.
o Avoid using the vehicle for very short jour- neys if possible, particularly when a coldstart is involved.
o Ensure that tyre pressures are maintained at the correct level.
o Use only the recommended grade of fuel.
o Avoid carrying unnecessary weight, and if a roof rack is in use, remove it as soon aspossible after use.
o Anticipate the road and conditions ahead to enable adjustments in speed to be madesmoothly. Avoid heavy acceleration andsharp braking.
o Avoid cruising at unnecessary high speeds.
o Always ensure that the periodic maintenance services are performed by a Hyundai dealer at the time and/or mileage intervals speci-fied.
o Use the air conditioner only when neces- sary.
C050A01E

DRIVING YOUR HYUNDAI
2- 6 C090I01E-EAT
CAUTION:
o Shift into "R" and "P" only when the vehicle has completely stopped.
o Do not accelerate the engine in the re- verse or any of the forward positions
with the brakes applied.
o Always apply the footbrake when shift- ing from "P" or "N", to "R", "D", "2" or "L".
o Do not use the "P" (Park) position in place of the parking brake. Always setthe park-ing brake, shift the transaxleinto "P" (Park) and turn off the ignitionwhen you leave the vehicle, even mo-mentarily. Never leave the vehicle unat-tended whilst the engine is running.
C090H01E-EAT
NOTE:
o The brake pedal should be depressed when shifting from NEUTRAL to a for- ward or reverse gear.
o The brake pedal fully depressed in order to move the shift lever from the "P"(Park) position to any of the other posi-tions.
o It is always possible to shift from "R", "N", "D", "2", "L" position.
C090P01X-DAG
SC130A1-E
OVERDRIVE SWITCH
SC110E1-E
o D (Drive):
With the selector in this position, first gear will
be engaged from rest and the transaxle will automatically upshift to second, third and fourthdepending upon the vehicle speed, throttle po-sition and the position of the Overdrive switch.The engine may not be started with the selectorin this position.
SC110G1-E
o L (Low Gear): With the selector in this position, first gear willbe engaged from rest. No upshift will occurregardless of vehicle speed and throttle open-ing. The engine may not be started with theselector in this position.
SC110F1-E
o 2 (Second Gear): With the selector in this position, first gear willbe engaged from rest. The transaxle will upshiftto second gear depending upon the vehiclespeed and throttle position. No upshift to third orfourth will occur. The engine may not be startedwith the selector in this position. CAUTION: Do not move the selector to the 2 positionwhen the vehicle speed is in excess of 50m.p.h. CAUTION: Do not move the selector to the L position when the vehicle speed is in excess of 60m.p.h.
o Check the automatic transaxle fluid level
regularly, and add fluid as necessary.
The overdrive switch prevents the transaxleupshifting higher than third gear when the switchis turned "OFF". The transaxle will start fromrest in first gear and upshift to second and thirdgear depending upon the roadspeed and throttleopening but will not upshift to fourth gear. Whenthe overdrive switch is turned "ON", the transaxlewill start from rest in first gear and will upshift,depending upon roadspeed and throttle open-ing to second, third and fourth gear. Therefore,when the overdrive switch is turned "OFF", thetransaxle performs as a three speed unit andthe overdrive warning light located in the instru-ment cluster will be illuminated. When the over-drive switch is turned "ON", the transaxle func-tions as a fully automatic four speed unit with

DRIVING YOUR HYUNDAI 2- 7
o Ensure that the overdrive switch is at the
"ON" position for maximum economy.
o If rapid acceleration is required, fully de- press the accelerator pedal. In this condi- tion, the kickdown mechanism will be oper-ated and the transaxle will automaticallydownshift according to the vehicle speed.
o Do not depress the accelerator pedal with the brakes applied and the selector at the"R" "D" "2" or "L" position.
o Turn the overdrive switch on for good fuel economy and smooth driving. But if enginebraking is needed in the "D" range or ifrepeated upshifting and downshifting be-tween the 3rd and 4th gear is needed whenclimbing a gentle slope, it is recommendedthat the overdrive switch be turned off. Turnthe overdrive switch back on immediatelyafterward.
the maximum fuel economy potential of thevehicle being realized.
SC140A1-E
EFFECTIVE BRAKING Braking system performance and friction mate-
rial life are greatly affected by the driving styleadopted. The following suggestions are madeto assist in achieving the best results from thebraking system.
o Anticipate the road and conditions ahead in order that heavy braking may be avoided.
o When descending long gradients, use the engine to assist in retarding the vehicle to minimize the possibility of brake fade occur-ring.
ZC120D1-E
General Operating Instructions
o The button in the selector handle must be depressed before the selector can be moved.
o The engine may only be started when the selector is at position "P" or "N".
o Ensure that the footbrake is firmly applied when shifting from "P" or "N" to "D", "2" or "L" and vice versa.
o Always engage the parking brake when the vehicle is unattended, never use the "P"position in place of the parking brake.
o Under normal circumstances, the selector should be placed in the "D" position and thetransaxle allowed to select the most idealratio for the circumstances. In this positionmaximum fuel economy will be achieved.
o When descending steep gradients where engine braking is required, the selectorshould be placed at the "2" or "L" positiondepending upon the vehicle speed.
o When ascending steep gradients and using large throttle openings, the transaxle mayrepeatedly change between two adjacentratios. This is a normal characteristic andmay be prevented by selecting "2" or "L"depending upon the vehicle speed.
o Never move the selector to or from the "P" or "N" position with the accelerator de-pressed. o When trailer towing, ensure that the trailer
brakes function correctly and use enginebrak-ing to assist the vehicle braking system.
o Use only genuine Hyundai replacement brake pads and shoes to ensure consistentfriction characteristics and wear rates.
o After driving through deep water (e.g. fording), the brakes may become wet andperformance reduced. Always check brakeefficiency after emerging from the water anddry the brakes by lightly depressing thebrake pedal several times whilst driving slow-ly.
o Apply the parking brake only when the vehi- cle is at rest.
o Since the power assistance provided by the brake servo is derived from the engine,coast-ing with the engine turned off or tow-ing of the vehicle with the engine turned offwill result in greatly increased pedal pres-sures being re-quired to stop the vehicle.
o Do not hold the vehicle on the upgrade with the accelerator pedal. This can cause thetransmission to overheat. Always use thebrake pedal or parking brake.
YC250A1-A
ANTI-LOCK BRAKE SYSTEM
(Not all models) The Anti-Lock Brake System (ABS) is designed
to prevent wheel lock-up during sudden braking or on hazardous road surfaces. The ABS con-trol module monitors the wheel speed and con-trols the pressure applied to each brake. Thus,

DRIVING YOUR HYUNDAI
2- 8 in emergency situations or on slick roads, ABS will increase vehicle control during braking. NOTE: During ABS operation, a slight pulsation may be felt in the brake pedal when thebrakes are applied. Also, a noise may beheard in the engine compartment while brak-ing. These conditions are normal and indi-cate that the anti-lock brake system is func-tioning properly. WARNING: Your ABS will not prevent accidents due to improper or dangerous driving maneuvers.Even though vehicle control is improvedduring emergency braking, always maintaina safe distance between you and objectsahead. Vehicle speeds should always bereduced during extreme road conditions.The braking distance for cars equipped withan anti-lock braking system may be longerthan for those without it in the followingroad conditions.
o Driving on rough, gravel or snow-cov- ered roads.
o Driving with tire chains installed.
o Driving on roads where the road surface is pitted or has different surface height.
These roads should be driven at reduced speeds. The safety features of an ABSequipped vehicle should not be tested by high speed driving or cornering. This couldendanger the safety of yourself or others.
unnecessary tire wear. Check the tire pres-sures at least once a month.
o Be sure that the wheels are aligned cor- rectly. Improper alignment can result fromhitting curbs or driving too fast over irregularsurfaces. Poor alignment causes faster tirewear and may also result in other problemsas well as greater fuel consumption.
o Keep your car in good condition. For better fuel economy and reduced maintenancecosts, maintain your car in accordance withthe maintenance schedule in Section 5. Ifyou drive your car in severe conditions,more frequent maintenance is required (seeSection 5 for details).
o Keep your car clean. For maximum service, your car should be kept clean and free ofcorrosive materials. It is especially impor-tant that mud, dirt, ice, etc. not be allowed toaccumulate on the underside of the car. Thisextra weight can result in increased fuelconsumption and also contribute to corro-sion.
o Travel lightly. Don’t carry unnecessary weight in your car. Weight is an enemy of good fueleconomy.
o Don’t let the engine idle longer than neces- sary. If you are waiting (and not in traffic),turn off your engine and restart only whenyou’re ready to go.
o Remember, your car does not require ex- tended warm-up. As soon as the engine isrunning smoothly, you can drive away. Invery cold weather, however, give your en-gine a slightly longer warm-up period.
SC150A1-F
DRIVING FOR ECONOMY You can save fuel and get more miles from yourcar if you follow these suggestions:
o Drive smoothly. Accelerate at a moderate rate. Don’t make "jack-rabbit" starts or full-throttle shifts and maintain a steady cruisingspeed. Don’t race between stoplights. Try toadjust your speed to that of the other trafficso you don’t have to change speeds unnec-essarily. Avoid heavy traffic whenever possible. Al- ways maintain a safe distance from othervehicles so you can avoid unnecessary brak-ing. This also reduces brake wear.
o Drive at a moderate speed. The faster you drive, the more fuel your car uses. Driving ata moderate speed, especially on the high-way, is one of the most effective ways toreduce fuel consumption.
o Don’t "ride" the brake or clutch pedal. This can increase fuel consumption and alsoincrease wear on these components. In ad-dition, driving with your foot resting on thebrake pedal may cause the brakes to over-heat, which reduces their effectiveness andmay lead to more serious consequences.
o Take care of your tires. Keep them inflated to the recommended pressure. Incorrect infla-tion, either too much or too little, results in