Owners manual for Fifth generation (DL3) of the mid-size sedan Kia Optima. This manual will familiarize you with operational, maintenance and safety information about your new vehicle. It is supplemented by a Warranty and Consumer Information manual that provides important information on all warranties regarding your vehicle. We urge you to read these publications carefully and follow the recommendations to help assure enjoyable and safe operation of your new vehicle.

Schematic diagrams Connector and Terminal Function Power Window Main Switch Pin Function 1 B-CAN (Low) 2 B-CAN (High) 3 Ground (Assist safety) 4 Assist safety 5
Description and operation Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.