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2016
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Optima EX
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System - 2.4L - Optima (Except HEV)
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E-CVVT motor
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Troubleshooting
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Signal Waveform
Signal Waveform
Fig 1: Display - Motor Signal Waveform
Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: Display - CMPS Signal Waveform
Courtesy of KIA MOTORS AMERICA, INC.
There is no separate sensor inside E-CVVT. Exhaust side 4-flank type target wheel is applied in order to compare CKPS and CMPS and calculate the valve timing.