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Circuit Inspection

G15724993

Courtesy of KIA MOTORS AMERICA, INC.

G15724994

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	HO2S (Bank1, Sensor1) connector	1 (nernst voltage)	Chassis ground	-	Approx. 0V
	HO2S (Bank1, Sensor1) connector	3 (virtual ground)	Chassis ground	-	Approx. 0V
	HO2S (Bank1, Sensor1) connector	4 (trim resister)	Chassis ground	-	Approx. 0V
	HO2S (Bank1, Sensor1) connector	6 (pumping current)	Chassis ground	-	Approx. 0V
Ignition "OFF". Disconnect battery (-) cable. Disconnect the electrical connector(s) from the concerned component and ECM.	HO2S (Bank1, Sensor1) connector	1 (nernst voltage)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank1, Sensor1) connector	3 (virtual ground)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank1, Sensor1) connector	4 (trim resister)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank1, Sensor1) connector	6 (pumping current)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank1, Sensor1) connector	1 (nernst voltage)	ECM connector	82 (nernst voltage)	Approx. below 1Ω
	HO2S (Bank1, Sensor1) connector	3 (virtual ground)	ECM connector	104 (virtual ground)	Approx. below 1Ω
	HO2S (Bank1, Sensor1) connector	4 (trim resister)	ECM connector	83 (trim resister)	Approx. below 1Ω
	HO2S (Bank1, Sensor1) connector	6 (pumping current)	ECM connector	105 (pumping current)	Approx. below 1Ω

Good

Go to "COMPONENT INSPECTION " procedure.

No Good

Repair or replace as necessary and then, Go to "VERIFICATION OF REPAIR " procedure.