Circuit Inspection

G13708368

Courtesy of KIA MOTORS AMERICA, INC.

G13708369

Courtesy of KIA MOTORS AMERICA, INC.

G13708370

Courtesy of KIA MOTORS AMERICA, INC.

G13708371

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/S1) connector	1 (nernst cell)	Chassis ground	-	Approx. 0.3V (duty signal)
	HO2S (B1/S1) connector	3 (virtual ground)	Chassis ground	-	Approx. 0V
	HO2S (B1/S1) connector	6 (current pump)	Chassis ground	-	Approx. 0V
	HO2S (B1/S1) connector	4 (current adjust)	Chassis ground	-	Approx. 0V
Ignition "OFF". Disconnect the electrical connector (s) from the concerned component.	HO2S (B1/S1) connector	1 (nernst cell)	PCM connector	33 (nernst cell)	Approx. below 1Ω
	HO2S (B1/S1) connector	1 (nernst cell)	ECM connector	62 (nernst cell)	Approx. below 1Ω
	HO2S (B1/S1) connector	3 (virtual ground)	PCM connector	41 (virtual ground)	Approx. below 1Ω
	HO2S (B1/S1) connector	3 (virtual ground)	ECM connector	63 (virtual ground)	Approx. below 1Ω
	HO2S (B1/S1) connector	6 (current pump)	PCM connector	63 (pumping current)	Approx. below 1Ω
	HO2S (B1/S1) connector	6 (current pump)	ECM connector	64 (pumping current)	Approx. below 1Ω
	HO2S (B1/S1) connector	4 (current adjust)	PCM connector	42 (trim resistor)	Approx. below 1Ω
	HO2S (B1/S1) connector	4 (current adjust)	ECM connector	65 (trim resistor)	Approx. below 1Ω
	HO2S (B1/S1) connector	1 (nernst cell)	Chassis ground	-	∞ (infinity)Ω
	HO2S (B1/S1) connector	6 (current pump)	Chassis ground	-	∞ (infinity)Ω
	HO2S (B1/S1) connector	4 (current adjust)	Chassis ground	-	∞ (infinity)Ω

Good

Go to "COMPONENT INSPECTION " procedure.

No Good

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