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Circuit Inspection

G12850977

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 (B1/S2) harness connector	1 (signal)	Chassis ground	-	0V
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	HO2S (B1/S2) harness connector	2 (ground)	Chassis ground	-	Approx. below 1Ω
	HO2S (B1/S2) harness connector	1 (signal)	PCM connector	29 (signal)	Approx. below 1Ω
	HO2S (B1/S2) harness connector	2 (ground)	PCM connector	28 (ground)	Approx. below 1Ω

Good

Go to "COMPONENT INSPECTION " procedure.

No Good

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