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: Repair procedures
On-vehicle Inpection • First of all, check for DTCs. If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide) • Check that the battery cables are connected to the correct termina ...

Hyundai Sonata LF 2014-2019 Service Manual: Front Driveshaft Repair procedures
Removal 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap (A). Be careful not to damage to the wheel cap (A) when removing the it. 3. Remove the front wheel and tire (A) from front hub. Tightening torque : 88.3 ~ 107.9 N. ...