Hyundai Sonata: Ignition System / Ignition Coil Description and Operation

Hyundai Sonata LF 2014-2019 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 (?)0.56 ± 10% [20°C (68°F)]Secondary Coil Resistance (k?)2.0 ± 15% [20°C (68°F)] ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Electric Parking Brake (EPB) Repair procedures
EPB Release 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Connect the GDS to the data link connector located underneath the dash panel. 3. Select and operate according to the instructions on the GDS screen. (1) Select vehicle name. (2) Select EPB. ...

Hyundai Sonata LF 2014-2019 Service Manual: Height Adjust Components and Components Location
Component Location 1. Height adjust ...