Hyundai Sonata: 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: Front Washer Motor Repair procedures
Inspection Front Washer Motor 1. With the washer motor connected to the reservoir tank, fill the reservoir tank with water.     Before filling the reservoir tank with water, check the filter for foreign material or contamination. if necessary, clean the filter. 2. C ...

Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Belt Retractor Repair procedures
Replacement     • When installing the belt, make sure not to damage the retractor. 1. Remove the center pillar lower trim. (Refer to Interior Trim - "Center Pillar Trim") 2. Remove the center pillar upper trim. (Refer to Interior Trim - "Center Pillar Trim") ...

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