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

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Engine Control/Fuel System / Engine 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 ...

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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Rear Glass Defogger Printed Heater Repair procedures


Inspection     Wrap tin foil around the end of the voltmeter test lead to prevent damaging the heater line. Apply finger pressure on the tin foil, moving the tin foil along the grid line to check for open circuits. 1. Turn on the defogger switch and use a voltmeter to measure the voltage of ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Pressure Source Unit Repair procedures


Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the air duct (A). 3. Remove air cleaner assembly (B). 4. Disconnect the brake fluid level switch connector (A), and remove the reservoir cap.     Be sure to completely remove foreign substances from ...

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