Engine Electrical System

Troubleshooting

~1min read

TROUBLESHOOTING

Symptom Suspected Area REMEDY
Engine Does Not Crank Low battery charge Charge or replace the battery
Loose, corroded or worn battery cables Repair or replace cables
Rear axle transmission range switch
(For vehicles with automatic transmission only)
See AT group Automatic Transmission
Blown fuse Replace fuse
Faulty starter Replace
Faulty ignition switch Replace
Engine cranks slowly Low battery charge Charge or replace the battery
Loose, corroded or worn battery cables Repair or replace cables
Faulty starter Replace
Starter keeps cranking Faulty starter Replace
IGNITION SWITCH Replace
Starter cranks but engine does not start Short circuit in wiring Repair or replace wiring
Broken starter gear or teeth Replace
Broken ring gear teeth Replace flywheel or torque converter

Test yourself

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