Component Inspection

Engine Control
P0038 HO2S Heater Control Circuit High (Bank 1 / Sensor 2) - Inspection/Repair:_:Component Inspection

Component Inspection

Check Resistance
1. IG KEY "OFF".
2. Disconnect HO2S(S2) connector.
3. Measure resistance between heater power and heater control terminal of HO2S.(S2)(Component Side).
Specification :









4. Is the measured resistance within specification?