Kia Optima: Description 
		and Operation - Ignition System - Engine Electrical System - Kia Optima TF 2011-2024 Service ManualKia Optima: Description and Operation

Description

Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are preprogrammed in the memory of the ECM (Engine Control Module).

The engine operating conditions (speed, load, warm-up condition, etc.) are detected by the various sensors. Based on these sensor signals and the ignition timing data, signals to interrupt the primary current are sent to the ECM. The ignition coil is activated, and timing is controlled.
Ignition System
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Repair procedures
On-vehicle Inspection Spark Test 1. Disconnect the ignition coil connectors (A). 2. Remove the ignition coils (A). ...

See also:

Components and Components Location
  1. Piston ring 2. Snap ring 3. Piston 4. Connecting rod 5. Connecting rod upper bearing 6. Piston pin 7. Connecting rod lower bearing 8. Connecting ...

Components and Components Location
Component(1) Component(2) <Installation order : A→B→C→D→E> 1. Steering column shaft 2. Lighting switch 3. Wiper and washer switch 4. ...

Removal
1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. To remove the seat belt anchor pretensioner (C), keep on push ...

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