Kia Optima DL3: Maintenance / Power Train

Repair procedures Inspection 1. Remove the air cleaner element. 2. Check if the air filter is excessively dirty.

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: A/C Pressure Transducer

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.

Kia Optima DL3 2019-2026 Service and Repair Manual: Heater & A/C Control Unit (Manual)

Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion 1 Battery (+) 21 IGN2 2 ILL+ (TAIL) 22 IGN1

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