Component Inspection - Binary&Linear
1.

Ignition "OFF"

2.

Disconnect HO2S connector.

3.

Measure resistance between Heater Control terminal and Heater Power terminal of the HO2S connector. (Component side)

Specification:

HO2S Heater

Normal Parameter

18 ~ 20℃

Heater Resistance

2.4~2.9Ω

4.

Is HO2S heater resistance display near the specified value?

▶ 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.

▶ 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.

Яндекс.Метрика