Kia Optima Hybrid: Ignition System / Description and Operation

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Engine Electrical System / 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 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). When disconnecting the ignition coil connector, pull out the locking pin (A) and then pull out the connector ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Thermostat Repair procedures

Removal and Installation Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. Do not remove the thermostat, even if the engine tends to overheat. 1. Drain engine coolant so its level is below thermostat. 2. Disconnect the radiator lower hose ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Panoramaroof Motor Repair procedures

Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the roof trim. (Refer to the BD group - "Roof trim") 3. Disconnect the panoramaroof motor (A) connector. 4. Ground the terminals as below table, and check that the panoramaroof unit operates. – When inspecting the panoramaroof ...