Component Inspection

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

Component Inspection

Check HO2S(B1/S2) Heater resistance
1. IG "OFF" and disconnect HO2S(B1/S2) connector
2. Measure resistance between power and control terminals of HO2S(B1/S2) heater(Component Side)

Specification :3.3 - 4.1[20°C(68°F)]




3. Is the measured resistance within specification?