Hyundai Elantra: Ignition System / Ignition Coil Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Engine Electrical System / Ignition System / 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. • If a DTC is present, perform troubleshooting in accordance with the ...

Ignition Coil Specifications

Specification ItemSpecification Primary Coil Resistance (?)0.61 ± 15% [20°C (68°F)]Secondary Coil Resistance (k?)7.5 ± 15% [20°C (68°F)] ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Hazard Lamp Switch Repair procedures
Inspection 1. Check for continuity between terminals. If the continuity is not as specified, replace the hazard lamp switch. Manual (Auto) Removal • Wrap the protective tape on the tool to disassemble with the screwdriver or remover. • e caution in keeping ...

Hyundai Elantra AD (2016-2020) Owners Manual: Changing Engine Coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this chapter. WARNING Do not use engine coolant or antifreeze in the washer fluid reservoir. Engine coolant can severely obscure visibility when sprayed on the windshield and may cau ...