Kia Stinger: Ignition System / Ignition Coil

Kia Stinger CK 2018-2021 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
1.

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
Description and operation Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operat ...

Spark Plug
Specifications Specification Item Specification Type SILZKR8H9G Gap 0.8 - 0.9 mm (0.0314 - 0.0354 in. ...

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