Component Inspection

Inspection Condition	Inspection Procedure	Reference
Engine "ON".	Connect KDS to Data Link Connector (DLC). Perform "Actuation Test" of concerned component with KDS.	Fig.1

G14569954

Courtesy of KIA MOTORS AMERICA, INC.

Good

Go to "Inspect HO2S (B1/S1) Heater Resistance" procedure.

No Good

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

Inspect HO2S (B1/S2) Heater Resistance
Inspection Condition	(+) Probe		(-) Probe		Specification
Inspection Condition	Connector	Terminal	Connector	Terminal	Specification
Ignition "OFF". Disconnect the electrical connector(s) from the concerned component.	HO2S (B1/S2) Heater (component side)	3 (power)	HO2S (B1/S2) Heater (component side)	4 (heater)	Approx. 9.0Ω [20°C (68°F)]

Good

Go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the downstream HO2S (B1/S2) and Go to "VERIFICATION OF REPAIR " procedure.