Troubleshooting |
Ignition System |
Symptom | Suspect Area | Remedy |
Engine will not start or is hard to start (Cranks OK) | Ignition lock switch | Inspect ignition lock switch, or replace as required |
Ignition coil | Inspect ignition coil, or replace as required | |
Spark plugs | Inspect spark plugs, or replace as required | |
Ignition wiring disconnected or broken | Repair wiring, or replace as required | |
Rough idle or stalls | Ignition wiring | Repair wiring, or replace as required |
Ignition coil | Inspect ignition coil, or replace as required | |
Engine hesitates/poor acceleration | Spark plugs and spark plug cables | Inspect spark plugs / cable, or replace as required |
Ignition wiring | Repair wiring, or replace as required | |
Poor mileage | Spark plugs and spark plug cables | Inspect spark plugs / cable, or replace as required |
Charging System |
Symptom | Suspect Area | Remedy |
Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown | Check fuses |
Light burned out | Replace light | |
Wiring connection loose | Tighten loose connection | |
Electronic voltage regulator | If light turns off, replace voltage regulator. | |
Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn | Adjust belt tension or replace belt |
Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable | |
Electronic voltage regulator or alternator | If light turns off, replace voltage regulator or alternator | |
Wiring | Repair or replace wiring | |
Overcharge | Electronic voltage regulator | If light turns off, replace voltage regulator. |
Voltage sensing wire | Repair or replace wiring | |
Discharge | Drive belt loose or worn | Adjust belt tension or replace belt |
Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring | |
Electronic voltage regulator or alternator | If light turns off, replace voltage regulator or alternator | |
Poor grounding | Inspect ground or repair | |
Worn battery | Replace battery |
Starting System |
Symptom | Suspect Area | Remedy |
Engine will not crank | Battery charge low | Charge or replace battery |
Battery cables loose, corroded or worn out | Repair or replace cables | |
Transaxle range switch (Vehicle with automatic transaxle only) | Refer to AT group-automatic transaxle | |
Fuse blown | Replace fuse | |
Starter motor faulty | Replace | |
Ignition switch faulty | Replace | |
Engine cranks slowly | Battery charge low | Charge or replace battery |
Battery cables loose, corroded or worn out | Repair or replace cables | |
Starter motor faulty | Replace | |
Starter keeps running | Starter motor faulty | Replace |
Ignition switch | Replace | |
Starter spins but engine will not crank | Short in wiring | Repair or replace wiring |
Pinion gear teeth broken or starter motor | Replace | |
Ring gear teeth broken | Replace fly wheel or torque converter |
Hyundai Sonata LF 2014-2019 Service Manual: Blower Motor Repair procedures
Inspection
1.
Connect the battery voltage and check the blower motor rotation.
2.
If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.
3.
Replace the blower motor if it is proved that there is a problem with it.
Replacem ...
Hyundai Sonata LF 2014-2019 Owners Manual: Smart Key
Your HYUNDAI uses a Smart Key, which you can use to lock or unlock a door (and
trunk) and even start the engine.
1. Door Lock
2. Door Unlock
3. Trunk Open
4. Panic
Locking
To lock :
1. Close all doors, engine hood and trunk.
2. Either press the door handle button or press the Door Lock button (1) ...