Hyundai Elantra: Troubleshooting - General Information - Engine Electrical System - Hyundai Elantra HD 2006Ц2010 Service ManualHyundai Elantra: Troubleshooting


Troubleshooting

Ignition System
Trouble condition
Probable cause
Remedy
Engine cranks, but will not start or is hard to start.
Ignition coil faulty
Replace ignition coil
High tension cable faulty
Replace high tension cable
Spark plugs faulty
Replace plugs
Incorrect immobilizer system
Adjust
Ignition wiring disconnected or broken
Inspect and replace
Rough idle or stalling
Spark plugs faulty
Replace plugs
Ignition wiring faulty
Replace wiring
Ignition coil faulty
Replace ignition coil
High gension cord faulty
Relpace high tension cord
Engine hesitates/poor acceleration
Spark plugs faulty
Replace plugs
Ignition wiring faulty
Replace wiring
Poor fuel
Spark plugs faulty
Replace plugs

Charging System
Trouble condition
Probable cause
Remedy
Charging warning indicator does not light with ignition switch "ON" and engine off
Fues blown
Check fuses
Light burned out
Replace light
Wiring connection loose
Tighten loose connections
Electronic voltage regulator faulty
Replace voltage regulator
Charging warning indicator does not go out with engine runing. (Battery requires fequent recharging)
Drive belt loose or worn
Adjust tension or replace cables
Battery cables loose, corroded or worn
Repair or replace cables
Fuse blown
Check fuses
Fusible link blown
Replace fusible link
Electronic voltage regulator or alternator faulty
Test alternator
Wiring faulty
Repair wiring
Discharged battery
Drive belt loose or worn
Adjust tension or replace drive belt
Wiring connection loose or open circuit
Tighten loose connection or repair wiring
Fusible link blown
Replace fusible link
Warning indicator and pre-excitation resistor faulty
Replace components
Poor grounding
Repair
Electronic voltage regulator or alternator faulty
Test alternator
Battery life
Replace battery
Overcharging
Electronic voltage regulator faulty
Replace voltage regulator
Voltage sensing wire faulty
Repair wire

Starting System
Trouble condition
Probable cause
Remedy
Engine will not crank
Battery charge low
Charge or replace battery
Battery cables loose, corroded or worn
Repair or replace cables
Transaxle range switch faulty (Vehicle with automatic transaxle only)
Adjust or replace switch
Fusible link blown
Replace fusible link
Starter motor faulty
Repair starter motor
Ignition switch faulty
Replace ignition switch
Engine cranks slowly
Battery charge low
Charge or replace battery
Battery cables loose, corroded or worn
Inspect wiring and fix
Starter motor faulty
Repair starter motor
Starter keeps running
Starter motor faulty
Repair starter motor
Ignition wiring faulty
Repair or replace
Starter spins but engine will not crank
Short in wiring
Repair wiring
Pinion gear teeth broken or starter motor faulty
Repair starter motor
Ring gear teeth broken
Replace flywheel ring gear or torque converter


    Specifications
    Specification Ignition System Items Specification Ignition coil Primary resistance 0.58 ± 10 % (Ω) Secondary re ...

    Special Service Tools
    Reference Service Tools Tool (Number and name) Illustration Use Micro-570 Battery checker - ...