Kia Optima Hybrid: Evaporative Emission Control System / NVLD(Natural Vacuum Leakage Detection) Schematic Diagrams

Circuit Diagram

NVLD(Natural Vacuum Leakage Detection) Troubleshooting

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NVLD(Natural Vacuum Leakage Detection) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the NVLD connector (A). 3. Disconnect the ventilation hoses (B,C). 4. Remove the NVLD after by loosening ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Specifications


Specification ItemSpecificationUltrasonic sensorVoltage ratingDC 12 VDetecting range40 cm ~ 120 cmOperation voltageDC 9 ~ 12 VOperation currentMAX 300 mAOperation temperature-30°C ~ +80°C (-22°C ~ +176°C)Operation frequency48 ± 5 KHzNumber of sensorsFront : 4EA (Left side, Left center, Right center, ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: A/C Pressure Transducer Description and Operation


Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted voltage value, engine ECU controls cooling fan by operating it high speed or low speed. Engine ECU stop the operation of compressor when the temperature of refrigerant ...

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