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: Specifications
Specification
ItemSpecificationUltrasonic sensorVoltage ratingDC 12VDetecting range40 cm ~ 120 cmOperation voltageDC 9 ~ 16VOperation currentMAX 300mAOperation temperature-30°C ~ +80°C (-22°C ~ +176°C)Operation frequency48 ± 5KHzNumber of sensors4EA (Left side, Left center, Right center, R ...
Hyundai Sonata LF 2014-2019 Owners Manual: Using the Tire Mobility Kit
1. Detach the speed restriction label (0) from the sealant bottle (1), and place
it in a highly visible place inside the vehicle such as on the steering wheel to
remind the driver not to drive too fast.
2. Screw the connection hose (9) onto the connector of the sealant bottle.
3. Ensure that the ...