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Circuit Inspection

G13286579

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	connector	Terminal	connector	Terminal	Specification
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component. Ignition "ON".	HO2S (Bank 1, Sensor 1) connector	1 (virtual ground)	Chassis ground	-	Approx. 0V
	HO2S (Bank 1, Sensor 1) connector	2 (nernst voltage)	Chassis ground	-	Approx. 0.8V
	HO2S (Bank 1, Sensor 1) connector	3 (pumping line)	Chassis ground	-	Approx. 0V
	HO2S (Bank 1, Sensor 1) connector	6 (trim resistor)	Chassis ground	-	Approx. 0V
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	HO2S (Bank 1, Sensor 1) connector	1 (virtual ground)	Chassis ground	-	∞ (inifinity)Ω
	HO2S (Bank 1, Sensor 1) connector	2 (nernst voltage)	Chassis ground	-	∞ (inifinity)Ω
	HO2S (Bank 1, Sensor 1) connector	3 (pumping line)	Chassis ground	-	∞ (inifinity)Ω
	HO2S (Bank 1, Sensor 1) connector	6 (trim resistor)	Chassis ground	-	∞ (inifinity)Ω
	HO2S (Bank 1, Sensor 1) connector	1 (virtual ground)	ECM connector	80 (virtual ground)	Approx. below 1Ω
	HO2S (Bank 1, Sensor 1) connector	2 (nernst voltage)	ECM connector	59 (nernst voltage)	Approx. below 1Ω
	HO2S (Bank 1, Sensor 1) connector	3 (pumping line)	ECM connector	81 (pumping line)	Approx. below 1Ω
	HO2S (Bank 1, Sensor 1) connector	6 (trim resistor)	ECM connector	60 (trim resistor)	Approx. below 1Ω

Good

Go to "Component Inspection " procedure.

No Good

Repair or replace as necessary and then, go to "Verification of Repair " procedure.