Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

G13682179

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
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. 0V
	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	2 (nernst voltage)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank 1, Sensor 1) connector	3 (pumping line)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank 1, Sensor 1) connector	6 (trim resistor)	Chassis ground	-	∞ (infinity)Ω
	HO2S (Bank 1, Sensor 1) connector	1 (virtual ground)	PCM connector	97 (virtual ground)	Approx. below 1Ω
	HO2S (Bank 1, Sensor 1) connector	2 (nernst voltage)	PCM connector	74 (nernst voltage)	Approx. below 1Ω
	HO2S (Bank 1, Sensor 1) connector	3 (pumping line)	PCM connector	99 (pumping line)	Approx. below 1Ω
	HO2S (Bank 1, Sensor 1) connector	6 (trim resistor)	PCM connector	76 (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.