O2 Sensor Inspection

HO2S (Bank 1, Sensor 1) Inspection

Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
Engine "ON".	HO2S (Bank1, Sensor2) connector	3 (pumping line)	HO2S (Bank1, Sensor2) connector	2 (nernst voltage)	Fig.1
Engine "ON".	HO2S (Bank1, Sensor2) connector	1 (virtual ground)	HO2S (Bank1, Sensor2) connector	2 (ground)	Fig.1

G13492690

Courtesy of KIA MOTORS AMERICA, INC.

HO2S (Bank 1, Sensor 2) Inspection

Inspection Condition	(+) Probe		(-) Probe		Reference
Inspection Condition	Connector	Terminal	Connector	Terminal	Reference
Engine "ON"	HO2S (Bank1, Sensor2) connector	1 (signal)	HO2S (Bank1, Sensor2) connector	2 (ground)	Fig. 2

G00614898

Courtesy of KIA MOTORS AMERICA, INC.

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 HO2S (Bank1, Sensor2) or HO2S (Bank 1, Sensor 1) and go to "VERIFICATION OF REPAIR " procedure.