Kia Forte: Ignition System / Ignition Coil

Kia Forte 2019-2021 (BD) Service Manual / Engine Electrical System / Ignition System / Ignition Coil

Specifications
Specification

Item
Specification
Secondary Coil [at engine 1000RPM]
Input Voltage (V)
13.5
Dwell Time (ms)
3.94
Spark Current (mA)
Over 96
Spark Duration Time (ms)
Over 1.45
Pin
4

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

Repair procedures
Removal
1.

Turn ignition switch OFF and disconnect the negative (-) battery terminal.

2.

Remove the engine cover.

3.

Disconnect the ignition coil connectors (A).

4.

Remove the ignition coil after loosening the mounting bolts (B).

  

When removing the ignition coil connector, pull the lock pin (A) and push the clip (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
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Spark Plug
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Other information:

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