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: Cylinder Head Components and Components Location
Components 1. Cylinder head assembly2. MLA3. Retainer lock4. Retainer 5. Valve stem seal6. Valve spring7. Valve spring seat8. OCV (Oil Control Valve)9. Exhaust valve10. Intake valve11. Cylinder head gasket ...

Hyundai Sonata LF 2014-2019 Service Manual: Multimedia Jack Repair procedures
Removal 1. Disconnect the battery (-) terminals. 2. Remove the floor console assembly. (Refer to Body - "Floor Console Assembly") 3. Remove the multimedia jack (A) after disconnect the connector and loosening the mounting screws. Installation 1. Connect the multimedia jack connecto ...