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Circuit Inspection

G13134341

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#2 (B2/S1) connector	1 (Nernst Voltage)	Chassis ground	-	Approx. 0V
	HO2S#2 (B2/S1) connector	3 (Virtual ground)	Chassis ground	-	Approx. 0V
	HO2S#2 (B2/S1) connector	4 (Trim Resister)	Chassis ground	-	Approx. 0V
	HO2S#2 (B2/S1) 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#2 (B2/S1) connector	1 (Nernst Voltage)	Chassis ground	-	∞ (Infinite)Ω
	HO2S#2 (B2/S1) connector	3 (Virtual ground)	Chassis ground	-	∞ (Infinite)Ω
	HO2S#2 (B2/S1) connector	4 (Trim Resister)	Chassis ground	-	∞ (Infinite)Ω
	HO2S#2 (B2/S1) connector	6 (Pumping Current)	Chassis ground	-	∞ (Infinite)Ω
	HO2S#2 (B2/S1) connector	1 (Nernst Voltage)	ECM connector	80 (Nernst Voltage)	Approx. below 1Ω
	HO2S#2 (B2/S1) connector	3 (Virtual ground)	ECM connector	102 (Virtual ground)	Approx. below 1Ω
	HO2S#2 (B2/S1) connector	4 (Trim Resister)	ECM connector	101 (Trim Resister)	Approx. below 1Ω
	HO2S#2 (B2/S1) connector	6 (Pumping Current)	ECM connector	79 (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.