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
|
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
|
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
|
SpecificationIgnition System
Ignition Coil
Item
Specification
Primary Coil Resistance (Ω)0.75 ± 15% [20°C (68°F)]Secondary Coi ...
Hyundai Elantra CN7: Troubleshooting
