KIA Niro: Purge Control Solenoid Valve (PCSV)

Specification

Purge Control Solenoid Valve (PCSV) Description and operation

Purge Control Solenoid Valve (PCSV) Description and operation

Description

Installed on the intake manifold, the Purge Control Solenoid Valve (PCSV) controls the evaporative purge between the canister and the intake manifold. It is a solenoid valve and is open when the ECM
grounds the valve control line. When the passage is open (PCSV ON), fuel vapor stored in the canister
is transferred to the intake manifold.

Circuit Diagram

Circuit Diagram

Harness Connector

Harness Connector

Purge Control Solenoid Valve (PCSV) Repair procedures

Purge Control Solenoid Valve (PCSV) Repair procedures

Inspection

  1. Switch "OFF" the ignition.
  2. Disconnect the PCSV connector.
  3. Measure resistance between the PCSV terminals 1 and 2.
  4. Check that the resistance is within the specification.

Specification: 14.3 - 14.7 Ω (20ºC(68ºF))

Removal

  1. Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
  2. Remove the air cleaner assembly.

    (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 purge control solenoid valve.

Installation

Installation

Warning

  • 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.
  1. Install in the reverse order of removal.

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