Component Inspection

Inspection Item	Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Item	Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
Oscilloscope (MAFS)	Engine "ON". Measure the waveform using VMI of KDS.	MAFS connector	1 (power)	Chassis ground	-	Fig.1 below
Oscilloscope (MAFS)	Engine "ON". Measure the waveform using VMI of KDS.	MAFS connector	3 (signal)	Chassis ground	-	Fig.1 below

Courtesy of KIA MOTORS AMERICA, INC.

Good

No Good

Carefully re-do troubleshooting steps.
If no problems were found with the circuits or connectors, replace the MAFS and Go to "VERIFICATION OF REPAIR " procedure.