Kia Cadenza YG: Crankcase Emission Control System / Repair procedures

Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
3.
Inspect the PCV vlave operation.
(1)
Run the engine at idle.
(2)
Put a finger on the open end of the PCV valve.
(3)
Make sure that intake manifold vaccum can be felt.
   
The plunger inside the PCV valve will move back and forth at vacuum.

4.
If the vacuum is not felt, clean or replace the vapor hose.

    Schematic Diagram

    Operation Principle

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Description and Operation

    Description System Overview The System offers the following features: – Human / machine interface through a 1-stage button, for terminal switching and engine start. – Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.

    Kia Cadenza YG 2016-2021 Service Manual: Specifications

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