Engine Electrical System

Troubleshooting

~1min read

TROUBLESHOOTING

Symptom Suspected Area REMEDY
Charge indicator light does not
come on when the ignition is turned on and
the engine is stopped
Blown fuse FUSE INSPECTION
Burned-out bulb Replace the bulb
Faulty cable connection Repair the faulty connection
Electronic voltage regulator If the light goes out, replace the voltage regulator.
Charge indicator light does not
go out with the engine running. (Battery
requires frequent recharging)
Loose or worn drive belt Adjust belt tension or replace belt
Loose, corroded or worn battery cable Check cable connections, repair or replace cables
Electronic voltage regulator or alternator If indicator goes off, replace voltage regulator or alternator.
WIRING Repair or replace wiring
Overloading Electronic voltage regulator If the light goes out, replace the voltage regulator.
Voltage sensing cable Repair or replace wiring
JUNK YARD Loose or worn drive belt Adjust belt tension or replace belt
Faulty wiring or a short circuit in the wiring Check cable connections, repair or replace cables
Electronic voltage regulator or alternator If indicator goes off, replace voltage regulator or alternator.
Poor ground Check the ground or repair it.
Worn battery Replace the battery

Test yourself

A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.