Kia Stinger CK: Ignition System / Ignition Coil

Kia Stinger (CK) 2018-2023 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.

Schematic diagrams

Circuit Diagram

Connector View

Ignition Coil Terminal Function

Ignition Coil (Cylinder #1)

Pin No.	Description	Connected to
1	Ground	Chassis
2	ignition Coil #1 Control output	ECM Connector A (41)
3	-
4	Battery power (B+)	Main Relay

Ignition Coil (Cylinder #2)

Pin No.	Description	Connected to
1	Ground	Chassis
2	ignition Coil #2 Control output	ECM Connector A (21)
3	-
4	Battery power (B+)	Main Relay

Ignition Coil (Cylinder #3)

Pin No.	Description	Connected to
1	Ground	Chassis
2	ignition Coil #3 Control output	ECM Connector A (20)
3	-
4	Battery power (B+)	Main Relay

Ignition Coil (Cylinder #4)

Pin No.	Description	Connected to
1	Ground	Chassis
2	ignition Coil #4 Control output	ECM Connector A (42)
3	-
4	Battery power (B+)	Main Relay

Repair procedures

Removal

1.	Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.	Remove the engine cover. (Refer to Engine Mechanical System - "Engine Cover")

3.	Disconnect the ignition coil connector (A).

4.	Remove the ignition coil after loosening the mounting bolt (B).

Installation

Install in the reverse order of removal.

Ignition coil mounting bolt :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 Ib·ft)

Ignition System

Spark Plug

Other information:

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