Kia Optima DL3: Evaporative Emission Control System / Purge Control Solenoid Valve (PCSV)

Kia Optima DL3 2019-2026 Service and Repair Manual / Emission Control System / Evaporative Emission Control System / Purge Control Solenoid Valve (PCSV)

Specifications

Specification

Item	Specification
Coil Resistance (Ω)	22.0 - 26.0 [20°C (68°F)]

Schematic diagrams

Circuit Diagram

Harness Connector

Repair procedures

Inspection

1.	Turn the ignition switch OFF.

2.	Disconnect the PCSV connector.

3.	Measure resistance between the PCSV terminals 1 and 2.

Check that the resistance is within the specification.

Specification : 22.0 - 26.0Ω [20°C (68°F)]

Removal

1.	Disconnect the negative battery (-) terminal.

2.	Remove the air cleaner. (Refer to Engine Mechanical System - "Air Cleaner")

3.	Disconnect the purge control solenoid valve connector (A).

4.	Disconnect the vapor hoses (B) from the purge control solenoid valve.

5.	Remove the valve (C) from the surge tank after pulling it.

Installation

Install in the reverse order of removal.

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.

•	Use care to keep foreign material out of the valve.

❮Fuel Tank Air Filter

Repair procedures Removal 1. Disconnect the negative battery (-) terminal. 2. Remove the [LH] rear wheel guard.

Exhaust Emission Control System❯

Description and operation Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components.

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: In-car Sensor

Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater co