Kia Cadenza YG: Ignition System / Ignition Coil Repair procedures

Removal
[Ignition Coil #2, #4, #6]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the engine cover.
3.
Disconnect the ignition coil connector (A).
4.
Remove the ignition coil after loosening the bolts (B).

   
When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).

[Ignition coil #1, #3, #5]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the engine cover.
3.
Remove the surge tank assembly.
(Refer to Engine Mechanical System - "Surge Tank")
4.
Disconnect the ignition coil connector (A).
5.
Remove the igniton coil after loosening the 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 installation bolts:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 Ib-ft)

Inspection
1.
Measure the primary coil resistance between terminals (+) and (-).


Standard value: 0.62Ω ± 10%

    Circuit Diagram

    Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

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    Kia Cadenza YG 2016-2021 Service Manual: A/C Pressure Transducer Repair procedures

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