Circuit Inspection

Courtesy of KIA MOTORS AMERICA, INC.

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect HO2S (Bank1, Sensor1) connector. Ignition "ON".	HO2S (Bank1, Sensor1) connector	2 (power)	Chassis ground	-	Approx. 12V
	HO2S (Bank1, Sensor1) connector	5 (heater)	Chassis ground	-	Approx. 2.5V

Good

No Good

Repair or replace as necessary and then Go to "Verification Of Repair " procedure.