Kia Cadenza: Ignition System / Ignition Coil Description and Operation

Kia Cadenza YG 2016-2025 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 accordanc ...

Ignition Coil Specifications

Specification ItemSpecification Primary Coil Resistance (Ω)0.62 ± 10％ [20°C (68°F)]Secondary Coil Resistance (kΩ)7.0 ± 15％ [20°C (68°F)] ...

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