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: High Mounted Stop Lamp Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the rear package tray trim. (Refer to Body - "Rear Package Tray Trim") 3. Remove the high mounted stop lamp after disengaging the mounting clip. Installation 1. Install the rear high mounted stop lamp. 2. Instal ...

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specifications Purge Control Solenoid Valve (PCSV) ? Specification ItemSpecificationCoil Resistance (?)22.0 ~ 26.0 [20°C(68°F)] Fuel Tank Pressure Sensor (FTPS) ? Type: Piezo-Resistive Pressure Sensor ? Specification Pressure[kPa (kgf/cm?, in H2O)Output Voltage (V)-6.67 (-0.068, ...