Circuit Inspection

G15807142

Courtesy of KIA MOTORS AMERICA, INC.

Inspection Item	Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Item	Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Voltage inspection (HO2S (Bank1, Sensor1) ↔ Chassis ground)	Connect the connector(s) HO2S (Bank1, Sensor1). Ignition "ON".	HO2S (Bank1, Sensor1) connector	1 (voltage nernst)	Chassis ground	-	Approx. 1V
		HO2S (Bank1, Sensor1) connector	3 (virtual ground)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	4 (current adjust)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	6 (current pump)	Chassis ground	-	Approx. 0V
Voltage inspection (HO2S (Bank1, Sensor1) ↔ Chassis ground)	Disconnect the connector(s) HO2S (Bank1, Sensor1). Ignition "ON".	HO2S (Bank1, Sensor1) connector	1 (voltage nernst)	Chassis ground	-	Approx. 1V
		HO2S (Bank1, Sensor1) connector	3 (virtual ground)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	4 (current adjust)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	6 (current pump)	Chassis ground	-	Approx. 0V
Open in circuit inspection (HO2S (Bank1, Sensor1) ↔ ECM)	Ignition "OFF". Disconnect the connector(s) HO2S (Bank1, Sensor1) and ECM.	HO2S (Bank1, Sensor1) connector	1 (voltage nernst)	ECM connector	103 (voltage nernst)	Approx. below 1Ω
		HO2S (Bank1, Sensor1) connector	3 (virtual ground)	ECM connector	82 (virtual ground)	Approx. below 1Ω
		HO2S (Bank1, Sensor1) connector	4 (current adjust)	ECM connector	83 (current adjust)	Approx. below 1Ω
		HO2S (Bank1, Sensor1) connector	6 (current pump)	ECM connector	104 (current pump)	Approx. below 1Ω

Good

Go to "COMPONENT INSPECTION " procedure.

No Good

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