Component Inspection

Engine Control
P0057 HO2S Heater Control Circuit Low (Bank 2 / Sensor 2) - Inspection/Repair:_:Component Inspection

Component Inspection

Check HO2S(B2/S2) Heater resistance
1. IG "OFF" and disconnect HO2S(B2/S2) connector
2. Measure resistance between power and control terminals of HO2S(B2/S2) heater(Component Side)

Specification :8.1 - 11.1 Ohms at 21°C(69.8°F)




3. Is the measured resistance within specification?