Kia Optima Hybrid: Rear Glass Defogger / Components and Components Location

Component Location

1. Rear glass defogger relay (Engine room relay box)
2. Rear glass defogger switch (A/C controller)
3. Rear glass defogger

Rear Glass Defogger

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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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures


Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1]. Measure resistance between the HO2S terminals 3 and 4 [B1/S2]. 4. Check that the resistance is within the specification. HO2S [Bank 1/Sensor 1] (Linear type) ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures


Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.     If the plunger does not move (PCV valve is clogged), clean or replace the valve. Installation 1. ...

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