Component Inspection
- Ignition "OFF".
- Disconnect HO2S connector.
- Measure resistance between Heater Control terminal and Heater Power terminal of the HO2S connector. (Component side)
Specification -2012
HO2S HEATER SPECIFICATIONSHO2S Heater Normal Parameter 18 ~ 20°C Heater Resistance 2.4 ~ 2.9Ω Specification -2013
HO2S HEATER SPECIFICATIONSHO2S Heater Normal Parameter 20°C(68°F) Heater Resistance 2.5 ~ 4.0Ω For 2012
Fig 1: Measuring Resistance Between Heater Control Terminal & Heater Power Terminal Of HO2S ConnectorCourtesy of KIA MOTORS AMERICA, INC.
For 2013 refer to ETM
- Is HO2S heater resistance display near the specified value?
YES
- Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Check HO2S for contamination, deterioration, or damage. Substitute with a known-good HO2S and check for proper operation. If the problem is corrected, replace HO2S and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.