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Circuit Inspection

G16430365

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. 0.69V
		HO2S (Bank1, Sensor1) connector	3 (virtual ground)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	6 (pumping current)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	4 (trim resistor)	Chassis ground	-	Approx. 0.04V
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. 0.73V
		HO2S (Bank1, Sensor1) connector	3 (virtual ground)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	6 (pumping current)	Chassis ground	-	Approx. 0V
		HO2S (Bank1, Sensor1) connector	4 (trim resistor)	Chassis ground	-	Approx. 0.04V
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	64 (voltage nernst)	Approx. below 1Ω
		HO2S (Bank1, Sensor1) connector	3 (virtual ground)	ECM connector	67 (virtual ground)	Approx. below 1Ω
		HO2S (Bank1, Sensor1) connector	6 (pumping current)	ECM connector	66 (pumping current)	Approx. below 1Ω
		HO2S (Bank1, Sensor1) connector	4 (trim resistor)	ECM connector	65 (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.