Hyundai Elantra: Ignition Coil. Description and Operation - Ignition System - Engine Electrical System - Hyundai Elantra MD 2010-2018 Service manualHyundai Elantra: Ignition Coil. Description and Operation


Description

An ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel. Coils have an internal resistor while others rely on a resistor wire or an external resistor to limit the current flowing into the coil from the battery 12 V supply.

    Repair procedures
    On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs. ...

    Ignition Coil. Specifications
    Specification Item Specification Primary Coil Resistance (Ω) 0.75 ± 15% [20°C (68°F)] Secondary Coil Resistance (k& ...