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) Owners Manual: Dual clutch transmission operation
The dual clutch transmission has seven forward speeds and one reverse speed. The individual speeds are selected automatically when the shift lever is in the D (Drive) position. The dual clutch transmission can be thought of as an automatically shifting manual transmission. It gives the dr ...

Hyundai Elantra AD (2016-2020) Service Manual: TPMS Sensor Description and Operation
Description 1. General description WU is a sensor placed in the tire that reports pressure and temperature. The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable. This allows adaptation to various types of rims. The Wheel ...