Kia Optima Hybrid: Exhaust Emission Control System / Catalytic Converter Description and Operation

Description and Operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, intake manifold, ...

CVVT (Continuously Variable Valve Timing) System Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

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

Inspection 1. Troubleshooting for Speaker (1) Basic inspection of speaker Inspect the sound from speaker after verifying that the speaker mounting screws are removed and the wiring connector is connected to remove any possible vibration transmitted from body trims and surrounding parts. (2) Case Troubleshooting ...

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 ...