Component Inspection

Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
Ignition "ON", engine "ON"	FPCV harness connector	2 (+)	Chassis ground	-	Fig 1
Ignition "ON", engine "ON"	FPCV harness connector	1 (-)	Chassis ground	-	Fig 2

Fig 1: Normal Waveforms Of FPCV At Engine Idle

Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Normal Waveforms Of FPCV At Engine Idle

Courtesy of KIA MOTORS AMERICA, INC.

Good

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the FPCV and go to "Verification of Repair " procedure.