Hyundai Sonata LF: 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 procedure for that DTC...

Ignition Coil Specifications

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Schematic Diagrams

Schematic [EPB Type] [General Type] Terminal Funtion [EPB Type] PIN NODesciptionCurrentmaxmin1Voltage supply for pump motor39A 10A 2RR EPB motor power30A - 3RR EPB motor ground30A - 4- - - 5Local CAN High 30mA 20mA 6Electric parking brake signal 1 20mA - 7Electric parking brake signal 220mA - 8Electric parking brake signal 320mA - 9Electric parking brake signal 420mA - 10- - - 11- - - 12RL EPB motor ground30A - 13RL EPB motor power30A - 14Ground for solenoid valves and ECU30A 10A 15- - - 16ESS200mA 100mA 17FR Wheel speed sensor signal16...

Hyundai Sonata LF 2014-2019 Service Manual: Movable Glass Repair procedures